diff options
151 files changed, 8310 insertions, 14193 deletions
diff --git a/Documentation/devicetree/bindings/arm/spear-timer.txt b/Documentation/devicetree/bindings/arm/spear-timer.txt new file mode 100644 index 000000000000..c0017221cf55 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/spear-timer.txt | |||
@@ -0,0 +1,18 @@ | |||
1 | * SPEAr ARM Timer | ||
2 | |||
3 | ** Timer node required properties: | ||
4 | |||
5 | - compatible : Should be: | ||
6 | "st,spear-timer" | ||
7 | - reg: Address range of the timer registers | ||
8 | - interrupt-parent: Should be the phandle for the interrupt controller | ||
9 | that services interrupts for this device | ||
10 | - interrupt: Should contain the timer interrupt number | ||
11 | |||
12 | Example: | ||
13 | |||
14 | timer@f0000000 { | ||
15 | compatible = "st,spear-timer"; | ||
16 | reg = <0xf0000000 0x400>; | ||
17 | interrupts = <2>; | ||
18 | }; | ||
diff --git a/MAINTAINERS b/MAINTAINERS index 150a29f3cd33..64ec55559d73 100644 --- a/MAINTAINERS +++ b/MAINTAINERS | |||
@@ -1905,6 +1905,16 @@ F: Documentation/filesystems/coda.txt | |||
1905 | F: fs/coda/ | 1905 | F: fs/coda/ |
1906 | F: include/linux/coda*.h | 1906 | F: include/linux/coda*.h |
1907 | 1907 | ||
1908 | COMMON CLK FRAMEWORK | ||
1909 | M: Mike Turquette <mturquette@ti.com> | ||
1910 | M: Mike Turquette <mturquette@linaro.org> | ||
1911 | L: linux-arm-kernel@lists.infradead.org (same as CLK API & CLKDEV) | ||
1912 | T: git git://git.linaro.org/people/mturquette/linux.git | ||
1913 | S: Maintained | ||
1914 | F: drivers/clk/clk.c | ||
1915 | F: drivers/clk/clk-* | ||
1916 | F: include/linux/clk-pr* | ||
1917 | |||
1908 | COMMON INTERNET FILE SYSTEM (CIFS) | 1918 | COMMON INTERNET FILE SYSTEM (CIFS) |
1909 | M: Steve French <sfrench@samba.org> | 1919 | M: Steve French <sfrench@samba.org> |
1910 | L: linux-cifs@vger.kernel.org | 1920 | L: linux-cifs@vger.kernel.org |
@@ -6368,9 +6378,7 @@ L: spear-devel@list.st.com | |||
6368 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) | 6378 | L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) |
6369 | W: http://www.st.com/spear | 6379 | W: http://www.st.com/spear |
6370 | S: Maintained | 6380 | S: Maintained |
6371 | F: arch/arm/mach-spear*/clock.c | 6381 | F: drivers/clk/spear/ |
6372 | F: arch/arm/plat-spear/clock.c | ||
6373 | F: arch/arm/plat-spear/include/plat/clock.h | ||
6374 | 6382 | ||
6375 | SPI SUBSYSTEM | 6383 | SPI SUBSYSTEM |
6376 | M: Grant Likely <grant.likely@secretlab.ca> | 6384 | M: Grant Likely <grant.likely@secretlab.ca> |
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4c3e10cc9511..515c8c85cbbb 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig | |||
@@ -456,6 +456,7 @@ config ARCH_MXS | |||
456 | select ARCH_REQUIRE_GPIOLIB | 456 | select ARCH_REQUIRE_GPIOLIB |
457 | select CLKDEV_LOOKUP | 457 | select CLKDEV_LOOKUP |
458 | select CLKSRC_MMIO | 458 | select CLKSRC_MMIO |
459 | select COMMON_CLK | ||
459 | select HAVE_CLK_PREPARE | 460 | select HAVE_CLK_PREPARE |
460 | select PINCTRL | 461 | select PINCTRL |
461 | help | 462 | help |
@@ -947,6 +948,7 @@ config PLAT_SPEAR | |||
947 | select ARM_AMBA | 948 | select ARM_AMBA |
948 | select ARCH_REQUIRE_GPIOLIB | 949 | select ARCH_REQUIRE_GPIOLIB |
949 | select CLKDEV_LOOKUP | 950 | select CLKDEV_LOOKUP |
951 | select COMMON_CLK | ||
950 | select CLKSRC_MMIO | 952 | select CLKSRC_MMIO |
951 | select GENERIC_CLOCKEVENTS | 953 | select GENERIC_CLOCKEVENTS |
952 | select HAVE_CLK | 954 | select HAVE_CLK |
@@ -1101,6 +1103,7 @@ config PLAT_ORION | |||
1101 | bool | 1103 | bool |
1102 | select CLKSRC_MMIO | 1104 | select CLKSRC_MMIO |
1103 | select GENERIC_IRQ_CHIP | 1105 | select GENERIC_IRQ_CHIP |
1106 | select COMMON_CLK | ||
1104 | 1107 | ||
1105 | config PLAT_PXA | 1108 | config PLAT_PXA |
1106 | bool | 1109 | bool |
diff --git a/arch/arm/boot/dts/spear300-evb.dts b/arch/arm/boot/dts/spear300-evb.dts index 910e264b87c0..fc82b1a26458 100644 --- a/arch/arm/boot/dts/spear300-evb.dts +++ b/arch/arm/boot/dts/spear300-evb.dts | |||
@@ -87,6 +87,31 @@ | |||
87 | 87 | ||
88 | smi: flash@fc000000 { | 88 | smi: flash@fc000000 { |
89 | status = "okay"; | 89 | status = "okay"; |
90 | clock-rate=<50000000>; | ||
91 | |||
92 | flash@f8000000 { | ||
93 | #address-cells = <1>; | ||
94 | #size-cells = <1>; | ||
95 | reg = <0xf8000000 0x800000>; | ||
96 | st,smi-fast-mode; | ||
97 | |||
98 | partition@0 { | ||
99 | label = "xloader"; | ||
100 | reg = <0x0 0x10000>; | ||
101 | }; | ||
102 | partition@10000 { | ||
103 | label = "u-boot"; | ||
104 | reg = <0x10000 0x40000>; | ||
105 | }; | ||
106 | partition@50000 { | ||
107 | label = "linux"; | ||
108 | reg = <0x50000 0x2c0000>; | ||
109 | }; | ||
110 | partition@310000 { | ||
111 | label = "rootfs"; | ||
112 | reg = <0x310000 0x4f0000>; | ||
113 | }; | ||
114 | }; | ||
90 | }; | 115 | }; |
91 | 116 | ||
92 | spi0: spi@d0100000 { | 117 | spi0: spi@d0100000 { |
diff --git a/arch/arm/boot/dts/spear310-evb.dts b/arch/arm/boot/dts/spear310-evb.dts index 6d95317100ad..dc5e2d445a93 100644 --- a/arch/arm/boot/dts/spear310-evb.dts +++ b/arch/arm/boot/dts/spear310-evb.dts | |||
@@ -103,11 +103,27 @@ | |||
103 | clock-rate=<50000000>; | 103 | clock-rate=<50000000>; |
104 | 104 | ||
105 | flash@f8000000 { | 105 | flash@f8000000 { |
106 | label = "m25p64"; | ||
107 | reg = <0xf8000000 0x800000>; | ||
108 | #address-cells = <1>; | 106 | #address-cells = <1>; |
109 | #size-cells = <1>; | 107 | #size-cells = <1>; |
108 | reg = <0xf8000000 0x800000>; | ||
110 | st,smi-fast-mode; | 109 | st,smi-fast-mode; |
110 | |||
111 | partition@0 { | ||
112 | label = "xloader"; | ||
113 | reg = <0x0 0x10000>; | ||
114 | }; | ||
115 | partition@10000 { | ||
116 | label = "u-boot"; | ||
117 | reg = <0x10000 0x40000>; | ||
118 | }; | ||
119 | partition@50000 { | ||
120 | label = "linux"; | ||
121 | reg = <0x50000 0x2c0000>; | ||
122 | }; | ||
123 | partition@310000 { | ||
124 | label = "rootfs"; | ||
125 | reg = <0x310000 0x4f0000>; | ||
126 | }; | ||
111 | }; | 127 | }; |
112 | }; | 128 | }; |
113 | 129 | ||
diff --git a/arch/arm/boot/dts/spear320-evb.dts b/arch/arm/boot/dts/spear320-evb.dts index 0c6463b71a37..6308fa3bec1e 100644 --- a/arch/arm/boot/dts/spear320-evb.dts +++ b/arch/arm/boot/dts/spear320-evb.dts | |||
@@ -110,6 +110,31 @@ | |||
110 | 110 | ||
111 | smi: flash@fc000000 { | 111 | smi: flash@fc000000 { |
112 | status = "okay"; | 112 | status = "okay"; |
113 | clock-rate=<50000000>; | ||
114 | |||
115 | flash@f8000000 { | ||
116 | #address-cells = <1>; | ||
117 | #size-cells = <1>; | ||
118 | reg = <0xf8000000 0x800000>; | ||
119 | st,smi-fast-mode; | ||
120 | |||
121 | partition@0 { | ||
122 | label = "xloader"; | ||
123 | reg = <0x0 0x10000>; | ||
124 | }; | ||
125 | partition@10000 { | ||
126 | label = "u-boot"; | ||
127 | reg = <0x10000 0x40000>; | ||
128 | }; | ||
129 | partition@50000 { | ||
130 | label = "linux"; | ||
131 | reg = <0x50000 0x2c0000>; | ||
132 | }; | ||
133 | partition@310000 { | ||
134 | label = "rootfs"; | ||
135 | reg = <0x310000 0x4f0000>; | ||
136 | }; | ||
137 | }; | ||
113 | }; | 138 | }; |
114 | 139 | ||
115 | spi0: spi@d0100000 { | 140 | spi0: spi@d0100000 { |
diff --git a/arch/arm/boot/dts/spear3xx.dtsi b/arch/arm/boot/dts/spear3xx.dtsi index 0ae7c8e86311..91072553963f 100644 --- a/arch/arm/boot/dts/spear3xx.dtsi +++ b/arch/arm/boot/dts/spear3xx.dtsi | |||
@@ -139,6 +139,12 @@ | |||
139 | interrupts = <12>; | 139 | interrupts = <12>; |
140 | status = "disabled"; | 140 | status = "disabled"; |
141 | }; | 141 | }; |
142 | |||
143 | timer@f0000000 { | ||
144 | compatible = "st,spear-timer"; | ||
145 | reg = <0xf0000000 0x400>; | ||
146 | interrupts = <2>; | ||
147 | }; | ||
142 | }; | 148 | }; |
143 | }; | 149 | }; |
144 | }; | 150 | }; |
diff --git a/arch/arm/boot/dts/spear600-evb.dts b/arch/arm/boot/dts/spear600-evb.dts index 790a7a8a5ccd..1119c22c9a82 100644 --- a/arch/arm/boot/dts/spear600-evb.dts +++ b/arch/arm/boot/dts/spear600-evb.dts | |||
@@ -33,6 +33,35 @@ | |||
33 | status = "okay"; | 33 | status = "okay"; |
34 | }; | 34 | }; |
35 | 35 | ||
36 | smi: flash@fc000000 { | ||
37 | status = "okay"; | ||
38 | clock-rate=<50000000>; | ||
39 | |||
40 | flash@f8000000 { | ||
41 | #address-cells = <1>; | ||
42 | #size-cells = <1>; | ||
43 | reg = <0xf8000000 0x800000>; | ||
44 | st,smi-fast-mode; | ||
45 | |||
46 | partition@0 { | ||
47 | label = "xloader"; | ||
48 | reg = <0x0 0x10000>; | ||
49 | }; | ||
50 | partition@10000 { | ||
51 | label = "u-boot"; | ||
52 | reg = <0x10000 0x40000>; | ||
53 | }; | ||
54 | partition@50000 { | ||
55 | label = "linux"; | ||
56 | reg = <0x50000 0x2c0000>; | ||
57 | }; | ||
58 | partition@310000 { | ||
59 | label = "rootfs"; | ||
60 | reg = <0x310000 0x4f0000>; | ||
61 | }; | ||
62 | }; | ||
63 | }; | ||
64 | |||
36 | apb { | 65 | apb { |
37 | serial@d0000000 { | 66 | serial@d0000000 { |
38 | status = "okay"; | 67 | status = "okay"; |
diff --git a/arch/arm/boot/dts/spear600.dtsi b/arch/arm/boot/dts/spear600.dtsi index d777e3a6f178..089f0a42c50e 100644 --- a/arch/arm/boot/dts/spear600.dtsi +++ b/arch/arm/boot/dts/spear600.dtsi | |||
@@ -177,6 +177,12 @@ | |||
177 | interrupts = <28>; | 177 | interrupts = <28>; |
178 | status = "disabled"; | 178 | status = "disabled"; |
179 | }; | 179 | }; |
180 | |||
181 | timer@f0000000 { | ||
182 | compatible = "st,spear-timer"; | ||
183 | reg = <0xf0000000 0x400>; | ||
184 | interrupts = <16>; | ||
185 | }; | ||
180 | }; | 186 | }; |
181 | }; | 187 | }; |
182 | }; | 188 | }; |
diff --git a/arch/arm/configs/spear3xx_defconfig b/arch/arm/configs/spear3xx_defconfig index 7ed42912d69a..865980c5f212 100644 --- a/arch/arm/configs/spear3xx_defconfig +++ b/arch/arm/configs/spear3xx_defconfig | |||
@@ -14,6 +14,9 @@ CONFIG_BINFMT_MISC=y | |||
14 | CONFIG_NET=y | 14 | CONFIG_NET=y |
15 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | 15 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" |
16 | CONFIG_MTD=y | 16 | CONFIG_MTD=y |
17 | CONFIG_MTD_OF_PARTS=y | ||
18 | CONFIG_MTD_CHAR=y | ||
19 | CONFIG_MTD_BLOCK=y | ||
17 | CONFIG_MTD_NAND=y | 20 | CONFIG_MTD_NAND=y |
18 | CONFIG_MTD_NAND_FSMC=y | 21 | CONFIG_MTD_NAND_FSMC=y |
19 | CONFIG_BLK_DEV_RAM=y | 22 | CONFIG_BLK_DEV_RAM=y |
@@ -73,6 +76,7 @@ CONFIG_MSDOS_FS=m | |||
73 | CONFIG_VFAT_FS=m | 76 | CONFIG_VFAT_FS=m |
74 | CONFIG_FAT_DEFAULT_IOCHARSET="ascii" | 77 | CONFIG_FAT_DEFAULT_IOCHARSET="ascii" |
75 | CONFIG_TMPFS=y | 78 | CONFIG_TMPFS=y |
79 | CONFIG_JFFS2_FS=y | ||
76 | CONFIG_NLS_DEFAULT="utf8" | 80 | CONFIG_NLS_DEFAULT="utf8" |
77 | CONFIG_NLS_CODEPAGE_437=y | 81 | CONFIG_NLS_CODEPAGE_437=y |
78 | CONFIG_NLS_ASCII=m | 82 | CONFIG_NLS_ASCII=m |
diff --git a/arch/arm/configs/spear6xx_defconfig b/arch/arm/configs/spear6xx_defconfig index cf94bc73a0e0..a2a1265f86b6 100644 --- a/arch/arm/configs/spear6xx_defconfig +++ b/arch/arm/configs/spear6xx_defconfig | |||
@@ -8,11 +8,13 @@ CONFIG_MODVERSIONS=y | |||
8 | CONFIG_PARTITION_ADVANCED=y | 8 | CONFIG_PARTITION_ADVANCED=y |
9 | CONFIG_PLAT_SPEAR=y | 9 | CONFIG_PLAT_SPEAR=y |
10 | CONFIG_ARCH_SPEAR6XX=y | 10 | CONFIG_ARCH_SPEAR6XX=y |
11 | CONFIG_BOARD_SPEAR600_DT=y | ||
12 | CONFIG_BINFMT_MISC=y | 11 | CONFIG_BINFMT_MISC=y |
13 | CONFIG_NET=y | 12 | CONFIG_NET=y |
14 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" | 13 | CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" |
15 | CONFIG_MTD=y | 14 | CONFIG_MTD=y |
15 | CONFIG_MTD_OF_PARTS=y | ||
16 | CONFIG_MTD_CHAR=y | ||
17 | CONFIG_MTD_BLOCK=y | ||
16 | CONFIG_MTD_NAND=y | 18 | CONFIG_MTD_NAND=y |
17 | CONFIG_MTD_NAND_FSMC=y | 19 | CONFIG_MTD_NAND_FSMC=y |
18 | CONFIG_BLK_DEV_RAM=y | 20 | CONFIG_BLK_DEV_RAM=y |
@@ -64,6 +66,7 @@ CONFIG_MSDOS_FS=m | |||
64 | CONFIG_VFAT_FS=m | 66 | CONFIG_VFAT_FS=m |
65 | CONFIG_FAT_DEFAULT_IOCHARSET="ascii" | 67 | CONFIG_FAT_DEFAULT_IOCHARSET="ascii" |
66 | CONFIG_TMPFS=y | 68 | CONFIG_TMPFS=y |
69 | CONFIG_JFFS2_FS=y | ||
67 | CONFIG_NLS_DEFAULT="utf8" | 70 | CONFIG_NLS_DEFAULT="utf8" |
68 | CONFIG_NLS_CODEPAGE_437=y | 71 | CONFIG_NLS_CODEPAGE_437=y |
69 | CONFIG_NLS_ASCII=m | 72 | CONFIG_NLS_ASCII=m |
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c index 42ab1e7c4ecc..9493076fc594 100644 --- a/arch/arm/mach-dove/common.c +++ b/arch/arm/mach-dove/common.c | |||
@@ -13,7 +13,7 @@ | |||
13 | #include <linux/init.h> | 13 | #include <linux/init.h> |
14 | #include <linux/platform_device.h> | 14 | #include <linux/platform_device.h> |
15 | #include <linux/pci.h> | 15 | #include <linux/pci.h> |
16 | #include <linux/clk.h> | 16 | #include <linux/clk-provider.h> |
17 | #include <linux/ata_platform.h> | 17 | #include <linux/ata_platform.h> |
18 | #include <linux/gpio.h> | 18 | #include <linux/gpio.h> |
19 | #include <asm/page.h> | 19 | #include <asm/page.h> |
@@ -68,6 +68,19 @@ void __init dove_map_io(void) | |||
68 | } | 68 | } |
69 | 69 | ||
70 | /***************************************************************************** | 70 | /***************************************************************************** |
71 | * CLK tree | ||
72 | ****************************************************************************/ | ||
73 | static struct clk *tclk; | ||
74 | |||
75 | static void __init clk_init(void) | ||
76 | { | ||
77 | tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT, | ||
78 | get_tclk()); | ||
79 | |||
80 | orion_clkdev_init(tclk); | ||
81 | } | ||
82 | |||
83 | /***************************************************************************** | ||
71 | * EHCI0 | 84 | * EHCI0 |
72 | ****************************************************************************/ | 85 | ****************************************************************************/ |
73 | void __init dove_ehci0_init(void) | 86 | void __init dove_ehci0_init(void) |
@@ -89,8 +102,7 @@ void __init dove_ehci1_init(void) | |||
89 | void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data) | 102 | void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data) |
90 | { | 103 | { |
91 | orion_ge00_init(eth_data, | 104 | orion_ge00_init(eth_data, |
92 | DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM, | 105 | DOVE_GE00_PHYS_BASE, IRQ_DOVE_GE00_SUM, 0); |
93 | 0, get_tclk()); | ||
94 | } | 106 | } |
95 | 107 | ||
96 | /***************************************************************************** | 108 | /***************************************************************************** |
@@ -116,7 +128,7 @@ void __init dove_sata_init(struct mv_sata_platform_data *sata_data) | |||
116 | void __init dove_uart0_init(void) | 128 | void __init dove_uart0_init(void) |
117 | { | 129 | { |
118 | orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE, | 130 | orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE, |
119 | IRQ_DOVE_UART_0, get_tclk()); | 131 | IRQ_DOVE_UART_0, tclk); |
120 | } | 132 | } |
121 | 133 | ||
122 | /***************************************************************************** | 134 | /***************************************************************************** |
@@ -125,7 +137,7 @@ void __init dove_uart0_init(void) | |||
125 | void __init dove_uart1_init(void) | 137 | void __init dove_uart1_init(void) |
126 | { | 138 | { |
127 | orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE, | 139 | orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE, |
128 | IRQ_DOVE_UART_1, get_tclk()); | 140 | IRQ_DOVE_UART_1, tclk); |
129 | } | 141 | } |
130 | 142 | ||
131 | /***************************************************************************** | 143 | /***************************************************************************** |
@@ -134,7 +146,7 @@ void __init dove_uart1_init(void) | |||
134 | void __init dove_uart2_init(void) | 146 | void __init dove_uart2_init(void) |
135 | { | 147 | { |
136 | orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE, | 148 | orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE, |
137 | IRQ_DOVE_UART_2, get_tclk()); | 149 | IRQ_DOVE_UART_2, tclk); |
138 | } | 150 | } |
139 | 151 | ||
140 | /***************************************************************************** | 152 | /***************************************************************************** |
@@ -143,7 +155,7 @@ void __init dove_uart2_init(void) | |||
143 | void __init dove_uart3_init(void) | 155 | void __init dove_uart3_init(void) |
144 | { | 156 | { |
145 | orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE, | 157 | orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE, |
146 | IRQ_DOVE_UART_3, get_tclk()); | 158 | IRQ_DOVE_UART_3, tclk); |
147 | } | 159 | } |
148 | 160 | ||
149 | /***************************************************************************** | 161 | /***************************************************************************** |
@@ -151,12 +163,12 @@ void __init dove_uart3_init(void) | |||
151 | ****************************************************************************/ | 163 | ****************************************************************************/ |
152 | void __init dove_spi0_init(void) | 164 | void __init dove_spi0_init(void) |
153 | { | 165 | { |
154 | orion_spi_init(DOVE_SPI0_PHYS_BASE, get_tclk()); | 166 | orion_spi_init(DOVE_SPI0_PHYS_BASE); |
155 | } | 167 | } |
156 | 168 | ||
157 | void __init dove_spi1_init(void) | 169 | void __init dove_spi1_init(void) |
158 | { | 170 | { |
159 | orion_spi_1_init(DOVE_SPI1_PHYS_BASE, get_tclk()); | 171 | orion_spi_1_init(DOVE_SPI1_PHYS_BASE); |
160 | } | 172 | } |
161 | 173 | ||
162 | /***************************************************************************** | 174 | /***************************************************************************** |
@@ -272,18 +284,17 @@ void __init dove_sdio1_init(void) | |||
272 | 284 | ||
273 | void __init dove_init(void) | 285 | void __init dove_init(void) |
274 | { | 286 | { |
275 | int tclk; | ||
276 | |||
277 | tclk = get_tclk(); | ||
278 | |||
279 | printk(KERN_INFO "Dove 88AP510 SoC, "); | 287 | printk(KERN_INFO "Dove 88AP510 SoC, "); |
280 | printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000); | 288 | printk(KERN_INFO "TCLK = %dMHz\n", (get_tclk() + 499999) / 1000000); |
281 | 289 | ||
282 | #ifdef CONFIG_CACHE_TAUROS2 | 290 | #ifdef CONFIG_CACHE_TAUROS2 |
283 | tauros2_init(); | 291 | tauros2_init(); |
284 | #endif | 292 | #endif |
285 | dove_setup_cpu_mbus(); | 293 | dove_setup_cpu_mbus(); |
286 | 294 | ||
295 | /* Setup root of clk tree */ | ||
296 | clk_init(); | ||
297 | |||
287 | /* internal devices that every board has */ | 298 | /* internal devices that every board has */ |
288 | dove_rtc_init(); | 299 | dove_rtc_init(); |
289 | dove_xor0_init(); | 300 | dove_xor0_init(); |
diff --git a/arch/arm/mach-dove/dove-db-setup.c b/arch/arm/mach-dove/dove-db-setup.c index ea77ae430b2d..bc2867f11346 100644 --- a/arch/arm/mach-dove/dove-db-setup.c +++ b/arch/arm/mach-dove/dove-db-setup.c | |||
@@ -20,7 +20,6 @@ | |||
20 | #include <linux/i2c.h> | 20 | #include <linux/i2c.h> |
21 | #include <linux/pci.h> | 21 | #include <linux/pci.h> |
22 | #include <linux/spi/spi.h> | 22 | #include <linux/spi/spi.h> |
23 | #include <linux/spi/orion_spi.h> | ||
24 | #include <linux/spi/flash.h> | 23 | #include <linux/spi/flash.h> |
25 | #include <linux/gpio.h> | 24 | #include <linux/gpio.h> |
26 | #include <asm/mach-types.h> | 25 | #include <asm/mach-types.h> |
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index cca8c0c74794..0021f726b153 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig | |||
@@ -34,6 +34,7 @@ config ARCH_MX53 | |||
34 | config SOC_IMX1 | 34 | config SOC_IMX1 |
35 | bool | 35 | bool |
36 | select ARCH_MX1 | 36 | select ARCH_MX1 |
37 | select COMMON_CLK | ||
37 | select CPU_ARM920T | 38 | select CPU_ARM920T |
38 | select IMX_HAVE_IOMUX_V1 | 39 | select IMX_HAVE_IOMUX_V1 |
39 | select MXC_AVIC | 40 | select MXC_AVIC |
@@ -42,12 +43,14 @@ config SOC_IMX21 | |||
42 | bool | 43 | bool |
43 | select MACH_MX21 | 44 | select MACH_MX21 |
44 | select CPU_ARM926T | 45 | select CPU_ARM926T |
46 | select COMMON_CLK | ||
45 | select IMX_HAVE_IOMUX_V1 | 47 | select IMX_HAVE_IOMUX_V1 |
46 | select MXC_AVIC | 48 | select MXC_AVIC |
47 | 49 | ||
48 | config SOC_IMX25 | 50 | config SOC_IMX25 |
49 | bool | 51 | bool |
50 | select ARCH_MX25 | 52 | select ARCH_MX25 |
53 | select COMMON_CLK | ||
51 | select CPU_ARM926T | 54 | select CPU_ARM926T |
52 | select ARCH_MXC_IOMUX_V3 | 55 | select ARCH_MXC_IOMUX_V3 |
53 | select MXC_AVIC | 56 | select MXC_AVIC |
@@ -56,6 +59,7 @@ config SOC_IMX27 | |||
56 | bool | 59 | bool |
57 | select MACH_MX27 | 60 | select MACH_MX27 |
58 | select CPU_ARM926T | 61 | select CPU_ARM926T |
62 | select COMMON_CLK | ||
59 | select IMX_HAVE_IOMUX_V1 | 63 | select IMX_HAVE_IOMUX_V1 |
60 | select MXC_AVIC | 64 | select MXC_AVIC |
61 | 65 | ||
@@ -64,12 +68,14 @@ config SOC_IMX31 | |||
64 | select CPU_V6 | 68 | select CPU_V6 |
65 | select IMX_HAVE_PLATFORM_MXC_RNGA | 69 | select IMX_HAVE_PLATFORM_MXC_RNGA |
66 | select MXC_AVIC | 70 | select MXC_AVIC |
71 | select COMMON_CLK | ||
67 | select SMP_ON_UP if SMP | 72 | select SMP_ON_UP if SMP |
68 | 73 | ||
69 | config SOC_IMX35 | 74 | config SOC_IMX35 |
70 | bool | 75 | bool |
71 | select CPU_V6 | 76 | select CPU_V6 |
72 | select ARCH_MXC_IOMUX_V3 | 77 | select ARCH_MXC_IOMUX_V3 |
78 | select COMMON_CLK | ||
73 | select HAVE_EPIT | 79 | select HAVE_EPIT |
74 | select MXC_AVIC | 80 | select MXC_AVIC |
75 | select SMP_ON_UP if SMP | 81 | select SMP_ON_UP if SMP |
@@ -77,6 +83,7 @@ config SOC_IMX35 | |||
77 | config SOC_IMX5 | 83 | config SOC_IMX5 |
78 | select CPU_V7 | 84 | select CPU_V7 |
79 | select MXC_TZIC | 85 | select MXC_TZIC |
86 | select COMMON_CLK | ||
80 | select ARCH_MXC_IOMUX_V3 | 87 | select ARCH_MXC_IOMUX_V3 |
81 | select ARCH_HAS_CPUFREQ | 88 | select ARCH_HAS_CPUFREQ |
82 | select ARCH_MX5 | 89 | select ARCH_MX5 |
@@ -815,6 +822,7 @@ config SOC_IMX6Q | |||
815 | bool "i.MX6 Quad support" | 822 | bool "i.MX6 Quad support" |
816 | select ARM_CPU_SUSPEND if PM | 823 | select ARM_CPU_SUSPEND if PM |
817 | select ARM_GIC | 824 | select ARM_GIC |
825 | select COMMON_CLK | ||
818 | select CPU_V7 | 826 | select CPU_V7 |
819 | select HAVE_ARM_SCU | 827 | select HAVE_ARM_SCU |
820 | select HAVE_IMX_GPC | 828 | select HAVE_IMX_GPC |
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 4937c070a57e..ff29421414f2 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile | |||
@@ -1,15 +1,18 @@ | |||
1 | obj-$(CONFIG_SOC_IMX1) += clock-imx1.o mm-imx1.o | 1 | obj-$(CONFIG_SOC_IMX1) += clk-imx1.o mm-imx1.o |
2 | obj-$(CONFIG_SOC_IMX21) += clock-imx21.o mm-imx21.o | 2 | obj-$(CONFIG_SOC_IMX21) += clk-imx21.o mm-imx21.o |
3 | 3 | ||
4 | obj-$(CONFIG_SOC_IMX25) += clock-imx25.o mm-imx25.o ehci-imx25.o cpu-imx25.o | 4 | obj-$(CONFIG_SOC_IMX25) += clk-imx25.o mm-imx25.o ehci-imx25.o cpu-imx25.o |
5 | 5 | ||
6 | obj-$(CONFIG_SOC_IMX27) += cpu-imx27.o pm-imx27.o | 6 | obj-$(CONFIG_SOC_IMX27) += cpu-imx27.o pm-imx27.o |
7 | obj-$(CONFIG_SOC_IMX27) += clock-imx27.o mm-imx27.o ehci-imx27.o | 7 | obj-$(CONFIG_SOC_IMX27) += clk-imx27.o mm-imx27.o ehci-imx27.o |
8 | 8 | ||
9 | obj-$(CONFIG_SOC_IMX31) += mm-imx3.o cpu-imx31.o clock-imx31.o iomux-imx31.o ehci-imx31.o pm-imx3.o | 9 | obj-$(CONFIG_SOC_IMX31) += mm-imx3.o cpu-imx31.o clk-imx31.o iomux-imx31.o ehci-imx31.o pm-imx3.o |
10 | obj-$(CONFIG_SOC_IMX35) += mm-imx3.o cpu-imx35.o clock-imx35.o ehci-imx35.o pm-imx3.o | 10 | obj-$(CONFIG_SOC_IMX35) += mm-imx3.o cpu-imx35.o clk-imx35.o ehci-imx35.o pm-imx3.o |
11 | 11 | ||
12 | obj-$(CONFIG_SOC_IMX5) += cpu-imx5.o mm-imx5.o clock-mx51-mx53.o ehci-imx5.o pm-imx5.o cpu_op-mx51.o | 12 | obj-$(CONFIG_SOC_IMX5) += cpu-imx5.o mm-imx5.o clk-imx51-imx53.o ehci-imx5.o pm-imx5.o cpu_op-mx51.o |
13 | |||
14 | obj-$(CONFIG_COMMON_CLK) += clk-pllv1.o clk-pllv2.o clk-pllv3.o clk-gate2.o \ | ||
15 | clk-pfd.o clk-busy.o | ||
13 | 16 | ||
14 | # Support for CMOS sensor interface | 17 | # Support for CMOS sensor interface |
15 | obj-$(CONFIG_MX1_VIDEO) += mx1-camera-fiq.o mx1-camera-fiq-ksym.o | 18 | obj-$(CONFIG_MX1_VIDEO) += mx1-camera-fiq.o mx1-camera-fiq-ksym.o |
@@ -70,7 +73,7 @@ obj-$(CONFIG_CPU_V7) += head-v7.o | |||
70 | AFLAGS_head-v7.o :=-Wa,-march=armv7-a | 73 | AFLAGS_head-v7.o :=-Wa,-march=armv7-a |
71 | obj-$(CONFIG_SMP) += platsmp.o | 74 | obj-$(CONFIG_SMP) += platsmp.o |
72 | obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o | 75 | obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o |
73 | obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o | 76 | obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o mach-imx6q.o |
74 | 77 | ||
75 | ifeq ($(CONFIG_PM),y) | 78 | ifeq ($(CONFIG_PM),y) |
76 | obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o | 79 | obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o |
diff --git a/arch/arm/mach-imx/clk-busy.c b/arch/arm/mach-imx/clk-busy.c new file mode 100644 index 000000000000..1a7a8dd045a1 --- /dev/null +++ b/arch/arm/mach-imx/clk-busy.c | |||
@@ -0,0 +1,189 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2012 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/clk.h> | ||
14 | #include <linux/clk-provider.h> | ||
15 | #include <linux/io.h> | ||
16 | #include <linux/slab.h> | ||
17 | #include <linux/jiffies.h> | ||
18 | #include <linux/err.h> | ||
19 | #include "clk.h" | ||
20 | |||
21 | static int clk_busy_wait(void __iomem *reg, u8 shift) | ||
22 | { | ||
23 | unsigned long timeout = jiffies + msecs_to_jiffies(10); | ||
24 | |||
25 | while (readl_relaxed(reg) & (1 << shift)) | ||
26 | if (time_after(jiffies, timeout)) | ||
27 | return -ETIMEDOUT; | ||
28 | |||
29 | return 0; | ||
30 | } | ||
31 | |||
32 | struct clk_busy_divider { | ||
33 | struct clk_divider div; | ||
34 | const struct clk_ops *div_ops; | ||
35 | void __iomem *reg; | ||
36 | u8 shift; | ||
37 | }; | ||
38 | |||
39 | static inline struct clk_busy_divider *to_clk_busy_divider(struct clk_hw *hw) | ||
40 | { | ||
41 | struct clk_divider *div = container_of(hw, struct clk_divider, hw); | ||
42 | |||
43 | return container_of(div, struct clk_busy_divider, div); | ||
44 | } | ||
45 | |||
46 | static unsigned long clk_busy_divider_recalc_rate(struct clk_hw *hw, | ||
47 | unsigned long parent_rate) | ||
48 | { | ||
49 | struct clk_busy_divider *busy = to_clk_busy_divider(hw); | ||
50 | |||
51 | return busy->div_ops->recalc_rate(&busy->div.hw, parent_rate); | ||
52 | } | ||
53 | |||
54 | static long clk_busy_divider_round_rate(struct clk_hw *hw, unsigned long rate, | ||
55 | unsigned long *prate) | ||
56 | { | ||
57 | struct clk_busy_divider *busy = to_clk_busy_divider(hw); | ||
58 | |||
59 | return busy->div_ops->round_rate(&busy->div.hw, rate, prate); | ||
60 | } | ||
61 | |||
62 | static int clk_busy_divider_set_rate(struct clk_hw *hw, unsigned long rate, | ||
63 | unsigned long parent_rate) | ||
64 | { | ||
65 | struct clk_busy_divider *busy = to_clk_busy_divider(hw); | ||
66 | int ret; | ||
67 | |||
68 | ret = busy->div_ops->set_rate(&busy->div.hw, rate, parent_rate); | ||
69 | if (!ret) | ||
70 | ret = clk_busy_wait(busy->reg, busy->shift); | ||
71 | |||
72 | return ret; | ||
73 | } | ||
74 | |||
75 | static struct clk_ops clk_busy_divider_ops = { | ||
76 | .recalc_rate = clk_busy_divider_recalc_rate, | ||
77 | .round_rate = clk_busy_divider_round_rate, | ||
78 | .set_rate = clk_busy_divider_set_rate, | ||
79 | }; | ||
80 | |||
81 | struct clk *imx_clk_busy_divider(const char *name, const char *parent_name, | ||
82 | void __iomem *reg, u8 shift, u8 width, | ||
83 | void __iomem *busy_reg, u8 busy_shift) | ||
84 | { | ||
85 | struct clk_busy_divider *busy; | ||
86 | struct clk *clk; | ||
87 | struct clk_init_data init; | ||
88 | |||
89 | busy = kzalloc(sizeof(*busy), GFP_KERNEL); | ||
90 | if (!busy) | ||
91 | return ERR_PTR(-ENOMEM); | ||
92 | |||
93 | busy->reg = busy_reg; | ||
94 | busy->shift = busy_shift; | ||
95 | |||
96 | busy->div.reg = reg; | ||
97 | busy->div.shift = shift; | ||
98 | busy->div.width = width; | ||
99 | busy->div.lock = &imx_ccm_lock; | ||
100 | busy->div_ops = &clk_divider_ops; | ||
101 | |||
102 | init.name = name; | ||
103 | init.ops = &clk_busy_divider_ops; | ||
104 | init.flags = CLK_SET_RATE_PARENT; | ||
105 | init.parent_names = &parent_name; | ||
106 | init.num_parents = 1; | ||
107 | |||
108 | busy->div.hw.init = &init; | ||
109 | |||
110 | clk = clk_register(NULL, &busy->div.hw); | ||
111 | if (!clk) | ||
112 | kfree(busy); | ||
113 | |||
114 | return clk; | ||
115 | } | ||
116 | |||
117 | struct clk_busy_mux { | ||
118 | struct clk_mux mux; | ||
119 | const struct clk_ops *mux_ops; | ||
120 | void __iomem *reg; | ||
121 | u8 shift; | ||
122 | }; | ||
123 | |||
124 | static inline struct clk_busy_mux *to_clk_busy_mux(struct clk_hw *hw) | ||
125 | { | ||
126 | struct clk_mux *mux = container_of(hw, struct clk_mux, hw); | ||
127 | |||
128 | return container_of(mux, struct clk_busy_mux, mux); | ||
129 | } | ||
130 | |||
131 | static u8 clk_busy_mux_get_parent(struct clk_hw *hw) | ||
132 | { | ||
133 | struct clk_busy_mux *busy = to_clk_busy_mux(hw); | ||
134 | |||
135 | return busy->mux_ops->get_parent(&busy->mux.hw); | ||
136 | } | ||
137 | |||
138 | static int clk_busy_mux_set_parent(struct clk_hw *hw, u8 index) | ||
139 | { | ||
140 | struct clk_busy_mux *busy = to_clk_busy_mux(hw); | ||
141 | int ret; | ||
142 | |||
143 | ret = busy->mux_ops->set_parent(&busy->mux.hw, index); | ||
144 | if (!ret) | ||
145 | ret = clk_busy_wait(busy->reg, busy->shift); | ||
146 | |||
147 | return ret; | ||
148 | } | ||
149 | |||
150 | struct clk_ops clk_busy_mux_ops = { | ||
151 | .get_parent = clk_busy_mux_get_parent, | ||
152 | .set_parent = clk_busy_mux_set_parent, | ||
153 | }; | ||
154 | |||
155 | struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift, | ||
156 | u8 width, void __iomem *busy_reg, u8 busy_shift, | ||
157 | const char **parent_names, int num_parents) | ||
158 | { | ||
159 | struct clk_busy_mux *busy; | ||
160 | struct clk *clk; | ||
161 | struct clk_init_data init; | ||
162 | |||
163 | busy = kzalloc(sizeof(*busy), GFP_KERNEL); | ||
164 | if (!busy) | ||
165 | return ERR_PTR(-ENOMEM); | ||
166 | |||
167 | busy->reg = busy_reg; | ||
168 | busy->shift = busy_shift; | ||
169 | |||
170 | busy->mux.reg = reg; | ||
171 | busy->mux.shift = shift; | ||
172 | busy->mux.width = width; | ||
173 | busy->mux.lock = &imx_ccm_lock; | ||
174 | busy->mux_ops = &clk_mux_ops; | ||
175 | |||
176 | init.name = name; | ||
177 | init.ops = &clk_busy_mux_ops; | ||
178 | init.flags = 0; | ||
179 | init.parent_names = parent_names; | ||
180 | init.num_parents = num_parents; | ||
181 | |||
182 | busy->mux.hw.init = &init; | ||
183 | |||
184 | clk = clk_register(NULL, &busy->mux.hw); | ||
185 | if (IS_ERR(clk)) | ||
186 | kfree(busy); | ||
187 | |||
188 | return clk; | ||
189 | } | ||
diff --git a/arch/arm/mach-imx/clk-gate2.c b/arch/arm/mach-imx/clk-gate2.c new file mode 100644 index 000000000000..3c1b8ff9a0a6 --- /dev/null +++ b/arch/arm/mach-imx/clk-gate2.c | |||
@@ -0,0 +1,118 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010-2011 Canonical Ltd <jeremy.kerr@canonical.com> | ||
3 | * Copyright (C) 2011-2012 Mike Turquette, Linaro Ltd <mturquette@linaro.org> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License version 2 as | ||
7 | * published by the Free Software Foundation. | ||
8 | * | ||
9 | * Gated clock implementation | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk-provider.h> | ||
13 | #include <linux/module.h> | ||
14 | #include <linux/slab.h> | ||
15 | #include <linux/io.h> | ||
16 | #include <linux/err.h> | ||
17 | #include <linux/string.h> | ||
18 | |||
19 | /** | ||
20 | * DOC: basic gatable clock which can gate and ungate it's ouput | ||
21 | * | ||
22 | * Traits of this clock: | ||
23 | * prepare - clk_(un)prepare only ensures parent is (un)prepared | ||
24 | * enable - clk_enable and clk_disable are functional & control gating | ||
25 | * rate - inherits rate from parent. No clk_set_rate support | ||
26 | * parent - fixed parent. No clk_set_parent support | ||
27 | */ | ||
28 | |||
29 | #define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw) | ||
30 | |||
31 | static int clk_gate2_enable(struct clk_hw *hw) | ||
32 | { | ||
33 | struct clk_gate *gate = to_clk_gate(hw); | ||
34 | u32 reg; | ||
35 | unsigned long flags = 0; | ||
36 | |||
37 | if (gate->lock) | ||
38 | spin_lock_irqsave(gate->lock, flags); | ||
39 | |||
40 | reg = readl(gate->reg); | ||
41 | reg |= 3 << gate->bit_idx; | ||
42 | writel(reg, gate->reg); | ||
43 | |||
44 | if (gate->lock) | ||
45 | spin_unlock_irqrestore(gate->lock, flags); | ||
46 | |||
47 | return 0; | ||
48 | } | ||
49 | |||
50 | static void clk_gate2_disable(struct clk_hw *hw) | ||
51 | { | ||
52 | struct clk_gate *gate = to_clk_gate(hw); | ||
53 | u32 reg; | ||
54 | unsigned long flags = 0; | ||
55 | |||
56 | if (gate->lock) | ||
57 | spin_lock_irqsave(gate->lock, flags); | ||
58 | |||
59 | reg = readl(gate->reg); | ||
60 | reg &= ~(3 << gate->bit_idx); | ||
61 | writel(reg, gate->reg); | ||
62 | |||
63 | if (gate->lock) | ||
64 | spin_unlock_irqrestore(gate->lock, flags); | ||
65 | } | ||
66 | |||
67 | static int clk_gate2_is_enabled(struct clk_hw *hw) | ||
68 | { | ||
69 | u32 reg; | ||
70 | struct clk_gate *gate = to_clk_gate(hw); | ||
71 | |||
72 | reg = readl(gate->reg); | ||
73 | |||
74 | if (((reg >> gate->bit_idx) & 3) == 3) | ||
75 | return 1; | ||
76 | |||
77 | return 0; | ||
78 | } | ||
79 | |||
80 | static struct clk_ops clk_gate2_ops = { | ||
81 | .enable = clk_gate2_enable, | ||
82 | .disable = clk_gate2_disable, | ||
83 | .is_enabled = clk_gate2_is_enabled, | ||
84 | }; | ||
85 | |||
86 | struct clk *clk_register_gate2(struct device *dev, const char *name, | ||
87 | const char *parent_name, unsigned long flags, | ||
88 | void __iomem *reg, u8 bit_idx, | ||
89 | u8 clk_gate2_flags, spinlock_t *lock) | ||
90 | { | ||
91 | struct clk_gate *gate; | ||
92 | struct clk *clk; | ||
93 | struct clk_init_data init; | ||
94 | |||
95 | gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL); | ||
96 | if (!gate) | ||
97 | return ERR_PTR(-ENOMEM); | ||
98 | |||
99 | /* struct clk_gate assignments */ | ||
100 | gate->reg = reg; | ||
101 | gate->bit_idx = bit_idx; | ||
102 | gate->flags = clk_gate2_flags; | ||
103 | gate->lock = lock; | ||
104 | |||
105 | init.name = name; | ||
106 | init.ops = &clk_gate2_ops; | ||
107 | init.flags = flags; | ||
108 | init.parent_names = parent_name ? &parent_name : NULL; | ||
109 | init.num_parents = parent_name ? 1 : 0; | ||
110 | |||
111 | gate->hw.init = &init; | ||
112 | |||
113 | clk = clk_register(dev, &gate->hw); | ||
114 | if (IS_ERR(clk)) | ||
115 | kfree(clk); | ||
116 | |||
117 | return clk; | ||
118 | } | ||
diff --git a/arch/arm/mach-imx/clk-imx1.c b/arch/arm/mach-imx/clk-imx1.c new file mode 100644 index 000000000000..0f0beb580b73 --- /dev/null +++ b/arch/arm/mach-imx/clk-imx1.c | |||
@@ -0,0 +1,115 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License along | ||
14 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
15 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | ||
16 | */ | ||
17 | |||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/clk.h> | ||
21 | #include <linux/io.h> | ||
22 | #include <linux/clkdev.h> | ||
23 | #include <linux/err.h> | ||
24 | |||
25 | #include <mach/hardware.h> | ||
26 | #include <mach/common.h> | ||
27 | #include "clk.h" | ||
28 | |||
29 | /* CCM register addresses */ | ||
30 | #define IO_ADDR_CCM(off) (MX1_IO_ADDRESS(MX1_CCM_BASE_ADDR + (off))) | ||
31 | |||
32 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
33 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
34 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
35 | #define CCM_PCDR IO_ADDR_CCM(0x20) | ||
36 | |||
37 | /* SCM register addresses */ | ||
38 | #define IO_ADDR_SCM(off) (MX1_IO_ADDRESS(MX1_SCM_BASE_ADDR + (off))) | ||
39 | |||
40 | #define SCM_GCCR IO_ADDR_SCM(0xc) | ||
41 | |||
42 | static const char *prem_sel_clks[] = { "clk32_premult", "clk16m", }; | ||
43 | static const char *clko_sel_clks[] = { "per1", "hclk", "clk48m", "clk16m", "prem", | ||
44 | "fclk", }; | ||
45 | enum imx1_clks { | ||
46 | dummy, clk32, clk16m_ext, clk16m, clk32_premult, prem, mpll, spll, mcu, | ||
47 | fclk, hclk, clk48m, per1, per2, per3, clko, dma_gate, csi_gate, | ||
48 | mma_gate, usbd_gate, clk_max | ||
49 | }; | ||
50 | |||
51 | static struct clk *clk[clk_max]; | ||
52 | |||
53 | int __init mx1_clocks_init(unsigned long fref) | ||
54 | { | ||
55 | int i; | ||
56 | |||
57 | clk[dummy] = imx_clk_fixed("dummy", 0); | ||
58 | clk[clk32] = imx_clk_fixed("clk32", fref); | ||
59 | clk[clk16m_ext] = imx_clk_fixed("clk16m_ext", 16000000); | ||
60 | clk[clk16m] = imx_clk_gate("clk16m", "clk16m_ext", CCM_CSCR, 17); | ||
61 | clk[clk32_premult] = imx_clk_fixed_factor("clk32_premult", "clk32", 512, 1); | ||
62 | clk[prem] = imx_clk_mux("prem", CCM_CSCR, 16, 1, prem_sel_clks, | ||
63 | ARRAY_SIZE(prem_sel_clks)); | ||
64 | clk[mpll] = imx_clk_pllv1("mpll", "clk32_premult", CCM_MPCTL0); | ||
65 | clk[spll] = imx_clk_pllv1("spll", "prem", CCM_SPCTL0); | ||
66 | clk[mcu] = imx_clk_divider("mcu", "clk32_premult", CCM_CSCR, 15, 1); | ||
67 | clk[fclk] = imx_clk_divider("fclk", "mpll", CCM_CSCR, 15, 1); | ||
68 | clk[hclk] = imx_clk_divider("hclk", "spll", CCM_CSCR, 10, 4); | ||
69 | clk[clk48m] = imx_clk_divider("clk48m", "spll", CCM_CSCR, 26, 3); | ||
70 | clk[per1] = imx_clk_divider("per1", "spll", CCM_PCDR, 0, 4); | ||
71 | clk[per2] = imx_clk_divider("per2", "spll", CCM_PCDR, 4, 4); | ||
72 | clk[per3] = imx_clk_divider("per3", "spll", CCM_PCDR, 16, 7); | ||
73 | clk[clko] = imx_clk_mux("clko", CCM_CSCR, 29, 3, clko_sel_clks, | ||
74 | ARRAY_SIZE(clko_sel_clks)); | ||
75 | clk[dma_gate] = imx_clk_gate("dma_gate", "hclk", SCM_GCCR, 4); | ||
76 | clk[csi_gate] = imx_clk_gate("csi_gate", "hclk", SCM_GCCR, 2); | ||
77 | clk[mma_gate] = imx_clk_gate("mma_gate", "hclk", SCM_GCCR, 1); | ||
78 | clk[usbd_gate] = imx_clk_gate("usbd_gate", "clk48m", SCM_GCCR, 0); | ||
79 | |||
80 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
81 | if (IS_ERR(clk[i])) | ||
82 | pr_err("imx1 clk %d: register failed with %ld\n", | ||
83 | i, PTR_ERR(clk[i])); | ||
84 | |||
85 | clk_register_clkdev(clk[dma_gate], "ahb", "imx-dma"); | ||
86 | clk_register_clkdev(clk[csi_gate], NULL, "mx1-camera.0"); | ||
87 | clk_register_clkdev(clk[mma_gate], "mma", NULL); | ||
88 | clk_register_clkdev(clk[usbd_gate], NULL, "imx_udc.0"); | ||
89 | clk_register_clkdev(clk[per1], "per", "imx-gpt.0"); | ||
90 | clk_register_clkdev(clk[hclk], "ipg", "imx-gpt.0"); | ||
91 | clk_register_clkdev(clk[per1], "per", "imx1-uart.0"); | ||
92 | clk_register_clkdev(clk[hclk], "ipg", "imx1-uart.0"); | ||
93 | clk_register_clkdev(clk[per1], "per", "imx1-uart.1"); | ||
94 | clk_register_clkdev(clk[hclk], "ipg", "imx1-uart.1"); | ||
95 | clk_register_clkdev(clk[per1], "per", "imx1-uart.2"); | ||
96 | clk_register_clkdev(clk[hclk], "ipg", "imx1-uart.2"); | ||
97 | clk_register_clkdev(clk[hclk], NULL, "imx-i2c.0"); | ||
98 | clk_register_clkdev(clk[per2], "per", "imx1-cspi.0"); | ||
99 | clk_register_clkdev(clk[dummy], "ipg", "imx1-cspi.0"); | ||
100 | clk_register_clkdev(clk[per2], "per", "imx1-cspi.1"); | ||
101 | clk_register_clkdev(clk[dummy], "ipg", "imx1-cspi.1"); | ||
102 | clk_register_clkdev(clk[per2], NULL, "imx-mmc.0"); | ||
103 | clk_register_clkdev(clk[per2], "per", "imx-fb.0"); | ||
104 | clk_register_clkdev(clk[dummy], "ipg", "imx-fb.0"); | ||
105 | clk_register_clkdev(clk[dummy], "ahb", "imx-fb.0"); | ||
106 | clk_register_clkdev(clk[hclk], "mshc", NULL); | ||
107 | clk_register_clkdev(clk[per3], "ssi", NULL); | ||
108 | clk_register_clkdev(clk[clk32], NULL, "mxc_rtc.0"); | ||
109 | clk_register_clkdev(clk[clko], "clko", NULL); | ||
110 | |||
111 | mxc_timer_init(NULL, MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR), | ||
112 | MX1_TIM1_INT); | ||
113 | |||
114 | return 0; | ||
115 | } | ||
diff --git a/arch/arm/mach-imx/clk-imx21.c b/arch/arm/mach-imx/clk-imx21.c new file mode 100644 index 000000000000..4e4f384ee8dd --- /dev/null +++ b/arch/arm/mach-imx/clk-imx21.c | |||
@@ -0,0 +1,186 @@ | |||
1 | /* | ||
2 | * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * Copyright 2008 Martin Fuzzey, mfuzzey@gmail.com | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
18 | * MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/clk.h> | ||
22 | #include <linux/clkdev.h> | ||
23 | #include <linux/clk-provider.h> | ||
24 | #include <linux/io.h> | ||
25 | #include <linux/module.h> | ||
26 | #include <linux/clkdev.h> | ||
27 | #include <linux/err.h> | ||
28 | |||
29 | #include <mach/hardware.h> | ||
30 | #include <mach/common.h> | ||
31 | #include "clk.h" | ||
32 | |||
33 | #define IO_ADDR_CCM(off) (MX21_IO_ADDRESS(MX21_CCM_BASE_ADDR + (off))) | ||
34 | |||
35 | /* Register offsets */ | ||
36 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
37 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
38 | #define CCM_MPCTL1 IO_ADDR_CCM(0x8) | ||
39 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
40 | #define CCM_SPCTL1 IO_ADDR_CCM(0x10) | ||
41 | #define CCM_OSC26MCTL IO_ADDR_CCM(0x14) | ||
42 | #define CCM_PCDR0 IO_ADDR_CCM(0x18) | ||
43 | #define CCM_PCDR1 IO_ADDR_CCM(0x1c) | ||
44 | #define CCM_PCCR0 IO_ADDR_CCM(0x20) | ||
45 | #define CCM_PCCR1 IO_ADDR_CCM(0x24) | ||
46 | #define CCM_CCSR IO_ADDR_CCM(0x28) | ||
47 | #define CCM_PMCTL IO_ADDR_CCM(0x2c) | ||
48 | #define CCM_PMCOUNT IO_ADDR_CCM(0x30) | ||
49 | #define CCM_WKGDCTL IO_ADDR_CCM(0x34) | ||
50 | |||
51 | static const char *mpll_sel_clks[] = { "fpm", "ckih", }; | ||
52 | static const char *spll_sel_clks[] = { "fpm", "ckih", }; | ||
53 | |||
54 | enum imx21_clks { | ||
55 | ckil, ckih, fpm, mpll_sel, spll_sel, mpll, spll, fclk, hclk, ipg, per1, | ||
56 | per2, per3, per4, uart1_ipg_gate, uart2_ipg_gate, uart3_ipg_gate, | ||
57 | uart4_ipg_gate, gpt1_ipg_gate, gpt2_ipg_gate, gpt3_ipg_gate, | ||
58 | pwm_ipg_gate, sdhc1_ipg_gate, sdhc2_ipg_gate, lcdc_ipg_gate, | ||
59 | lcdc_hclk_gate, cspi3_ipg_gate, cspi2_ipg_gate, cspi1_ipg_gate, | ||
60 | per4_gate, csi_hclk_gate, usb_div, usb_gate, usb_hclk_gate, ssi1_gate, | ||
61 | ssi2_gate, nfc_div, nfc_gate, dma_gate, dma_hclk_gate, brom_gate, | ||
62 | emma_gate, emma_hclk_gate, slcdc_gate, slcdc_hclk_gate, wdog_gate, | ||
63 | gpio_gate, i2c_gate, kpp_gate, owire_gate, rtc_gate, clk_max | ||
64 | }; | ||
65 | |||
66 | static struct clk *clk[clk_max]; | ||
67 | |||
68 | /* | ||
69 | * must be called very early to get information about the | ||
70 | * available clock rate when the timer framework starts | ||
71 | */ | ||
72 | int __init mx21_clocks_init(unsigned long lref, unsigned long href) | ||
73 | { | ||
74 | int i; | ||
75 | |||
76 | clk[ckil] = imx_clk_fixed("ckil", lref); | ||
77 | clk[ckih] = imx_clk_fixed("ckih", href); | ||
78 | clk[fpm] = imx_clk_fixed_factor("fpm", "ckil", 512, 1); | ||
79 | clk[mpll_sel] = imx_clk_mux("mpll_sel", CCM_CSCR, 16, 1, mpll_sel_clks, | ||
80 | ARRAY_SIZE(mpll_sel_clks)); | ||
81 | clk[spll_sel] = imx_clk_mux("spll_sel", CCM_CSCR, 17, 1, spll_sel_clks, | ||
82 | ARRAY_SIZE(spll_sel_clks)); | ||
83 | clk[mpll] = imx_clk_pllv1("mpll", "mpll_sel", CCM_MPCTL0); | ||
84 | clk[spll] = imx_clk_pllv1("spll", "spll_sel", CCM_SPCTL0); | ||
85 | clk[fclk] = imx_clk_divider("fclk", "mpll", CCM_CSCR, 29, 3); | ||
86 | clk[hclk] = imx_clk_divider("hclk", "fclk", CCM_CSCR, 10, 4); | ||
87 | clk[ipg] = imx_clk_divider("ipg", "hclk", CCM_CSCR, 9, 1); | ||
88 | clk[per1] = imx_clk_divider("per1", "mpll", CCM_PCDR1, 0, 6); | ||
89 | clk[per2] = imx_clk_divider("per2", "mpll", CCM_PCDR1, 8, 6); | ||
90 | clk[per3] = imx_clk_divider("per3", "mpll", CCM_PCDR1, 16, 6); | ||
91 | clk[per4] = imx_clk_divider("per4", "mpll", CCM_PCDR1, 24, 6); | ||
92 | clk[uart1_ipg_gate] = imx_clk_gate("uart1_ipg_gate", "ipg", CCM_PCCR0, 0); | ||
93 | clk[uart2_ipg_gate] = imx_clk_gate("uart2_ipg_gate", "ipg", CCM_PCCR0, 1); | ||
94 | clk[uart3_ipg_gate] = imx_clk_gate("uart3_ipg_gate", "ipg", CCM_PCCR0, 2); | ||
95 | clk[uart4_ipg_gate] = imx_clk_gate("uart4_ipg_gate", "ipg", CCM_PCCR0, 3); | ||
96 | clk[gpt1_ipg_gate] = imx_clk_gate("gpt1_ipg_gate", "ipg", CCM_PCCR1, 25); | ||
97 | clk[gpt2_ipg_gate] = imx_clk_gate("gpt2_ipg_gate", "ipg", CCM_PCCR1, 26); | ||
98 | clk[gpt3_ipg_gate] = imx_clk_gate("gpt3_ipg_gate", "ipg", CCM_PCCR1, 27); | ||
99 | clk[pwm_ipg_gate] = imx_clk_gate("pwm_ipg_gate", "ipg", CCM_PCCR1, 28); | ||
100 | clk[sdhc1_ipg_gate] = imx_clk_gate("sdhc1_ipg_gate", "ipg", CCM_PCCR0, 9); | ||
101 | clk[sdhc2_ipg_gate] = imx_clk_gate("sdhc2_ipg_gate", "ipg", CCM_PCCR0, 10); | ||
102 | clk[lcdc_ipg_gate] = imx_clk_gate("lcdc_ipg_gate", "ipg", CCM_PCCR0, 18); | ||
103 | clk[lcdc_hclk_gate] = imx_clk_gate("lcdc_hclk_gate", "hclk", CCM_PCCR0, 26); | ||
104 | clk[cspi3_ipg_gate] = imx_clk_gate("cspi3_ipg_gate", "ipg", CCM_PCCR1, 23); | ||
105 | clk[cspi2_ipg_gate] = imx_clk_gate("cspi2_ipg_gate", "ipg", CCM_PCCR0, 5); | ||
106 | clk[cspi1_ipg_gate] = imx_clk_gate("cspi1_ipg_gate", "ipg", CCM_PCCR0, 4); | ||
107 | clk[per4_gate] = imx_clk_gate("per4_gate", "per4", CCM_PCCR0, 22); | ||
108 | clk[csi_hclk_gate] = imx_clk_gate("csi_hclk_gate", "hclk", CCM_PCCR0, 31); | ||
109 | clk[usb_div] = imx_clk_divider("usb_div", "spll", CCM_CSCR, 26, 3); | ||
110 | clk[usb_gate] = imx_clk_gate("usb_gate", "usb_div", CCM_PCCR0, 14); | ||
111 | clk[usb_hclk_gate] = imx_clk_gate("usb_hclk_gate", "hclk", CCM_PCCR0, 24); | ||
112 | clk[ssi1_gate] = imx_clk_gate("ssi1_gate", "ipg", CCM_PCCR0, 6); | ||
113 | clk[ssi2_gate] = imx_clk_gate("ssi2_gate", "ipg", CCM_PCCR0, 7); | ||
114 | clk[nfc_div] = imx_clk_divider("nfc_div", "ipg", CCM_PCDR0, 12, 4); | ||
115 | clk[nfc_gate] = imx_clk_gate("nfc_gate", "nfc_div", CCM_PCCR0, 19); | ||
116 | clk[dma_gate] = imx_clk_gate("dma_gate", "ipg", CCM_PCCR0, 13); | ||
117 | clk[dma_hclk_gate] = imx_clk_gate("dma_hclk_gate", "hclk", CCM_PCCR0, 30); | ||
118 | clk[brom_gate] = imx_clk_gate("brom_gate", "hclk", CCM_PCCR0, 28); | ||
119 | clk[emma_gate] = imx_clk_gate("emma_gate", "ipg", CCM_PCCR0, 15); | ||
120 | clk[emma_hclk_gate] = imx_clk_gate("emma_hclk_gate", "hclk", CCM_PCCR0, 27); | ||
121 | clk[slcdc_gate] = imx_clk_gate("slcdc_gate", "ipg", CCM_PCCR0, 25); | ||
122 | clk[slcdc_hclk_gate] = imx_clk_gate("slcdc_hclk_gate", "hclk", CCM_PCCR0, 21); | ||
123 | clk[wdog_gate] = imx_clk_gate("wdog_gate", "ipg", CCM_PCCR1, 24); | ||
124 | clk[gpio_gate] = imx_clk_gate("gpio_gate", "ipg", CCM_PCCR0, 11); | ||
125 | clk[i2c_gate] = imx_clk_gate("i2c_gate", "ipg", CCM_PCCR0, 12); | ||
126 | clk[kpp_gate] = imx_clk_gate("kpp_gate", "ipg", CCM_PCCR1, 30); | ||
127 | clk[owire_gate] = imx_clk_gate("owire_gate", "ipg", CCM_PCCR1, 31); | ||
128 | clk[rtc_gate] = imx_clk_gate("rtc_gate", "ipg", CCM_PCCR1, 29); | ||
129 | |||
130 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
131 | if (IS_ERR(clk[i])) | ||
132 | pr_err("i.MX21 clk %d: register failed with %ld\n", | ||
133 | i, PTR_ERR(clk[i])); | ||
134 | |||
135 | clk_register_clkdev(clk[per1], "per1", NULL); | ||
136 | clk_register_clkdev(clk[per2], "per2", NULL); | ||
137 | clk_register_clkdev(clk[per3], "per3", NULL); | ||
138 | clk_register_clkdev(clk[per4], "per4", NULL); | ||
139 | clk_register_clkdev(clk[per1], "per", "imx21-uart.0"); | ||
140 | clk_register_clkdev(clk[uart1_ipg_gate], "ipg", "imx21-uart.0"); | ||
141 | clk_register_clkdev(clk[per1], "per", "imx21-uart.1"); | ||
142 | clk_register_clkdev(clk[uart2_ipg_gate], "ipg", "imx21-uart.1"); | ||
143 | clk_register_clkdev(clk[per1], "per", "imx21-uart.2"); | ||
144 | clk_register_clkdev(clk[uart3_ipg_gate], "ipg", "imx21-uart.2"); | ||
145 | clk_register_clkdev(clk[per1], "per", "imx21-uart.3"); | ||
146 | clk_register_clkdev(clk[uart4_ipg_gate], "ipg", "imx21-uart.3"); | ||
147 | clk_register_clkdev(clk[gpt1_ipg_gate], "ipg", "imx-gpt.0"); | ||
148 | clk_register_clkdev(clk[per1], "per", "imx-gpt.0"); | ||
149 | clk_register_clkdev(clk[gpt2_ipg_gate], "ipg", "imx-gpt.1"); | ||
150 | clk_register_clkdev(clk[per1], "per", "imx-gpt.1"); | ||
151 | clk_register_clkdev(clk[gpt3_ipg_gate], "ipg", "imx-gpt.2"); | ||
152 | clk_register_clkdev(clk[per1], "per", "imx-gpt.2"); | ||
153 | clk_register_clkdev(clk[pwm_ipg_gate], "pwm", "mxc_pwm.0"); | ||
154 | clk_register_clkdev(clk[per2], "per", "imx21-cspi.0"); | ||
155 | clk_register_clkdev(clk[cspi1_ipg_gate], "ipg", "imx21-cspi.0"); | ||
156 | clk_register_clkdev(clk[per2], "per", "imx21-cspi.1"); | ||
157 | clk_register_clkdev(clk[cspi2_ipg_gate], "ipg", "imx21-cspi.1"); | ||
158 | clk_register_clkdev(clk[per2], "per", "imx21-cspi.2"); | ||
159 | clk_register_clkdev(clk[cspi3_ipg_gate], "ipg", "imx21-cspi.2"); | ||
160 | clk_register_clkdev(clk[per3], "per", "imx-fb.0"); | ||
161 | clk_register_clkdev(clk[lcdc_ipg_gate], "ipg", "imx-fb.0"); | ||
162 | clk_register_clkdev(clk[lcdc_hclk_gate], "ahb", "imx-fb.0"); | ||
163 | clk_register_clkdev(clk[usb_gate], "per", "imx21-hcd.0"); | ||
164 | clk_register_clkdev(clk[usb_hclk_gate], "ahb", "imx21-hcd.0"); | ||
165 | clk_register_clkdev(clk[nfc_gate], NULL, "mxc_nand.0"); | ||
166 | clk_register_clkdev(clk[dma_hclk_gate], "ahb", "imx-dma"); | ||
167 | clk_register_clkdev(clk[dma_gate], "ipg", "imx-dma"); | ||
168 | clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0"); | ||
169 | clk_register_clkdev(clk[i2c_gate], NULL, "imx-i2c.0"); | ||
170 | clk_register_clkdev(clk[kpp_gate], NULL, "mxc-keypad"); | ||
171 | clk_register_clkdev(clk[owire_gate], NULL, "mxc_w1.0"); | ||
172 | clk_register_clkdev(clk[brom_gate], "brom", NULL); | ||
173 | clk_register_clkdev(clk[emma_gate], "emma", NULL); | ||
174 | clk_register_clkdev(clk[slcdc_gate], "slcdc", NULL); | ||
175 | clk_register_clkdev(clk[gpio_gate], "gpio", NULL); | ||
176 | clk_register_clkdev(clk[rtc_gate], "rtc", NULL); | ||
177 | clk_register_clkdev(clk[csi_hclk_gate], "csi", NULL); | ||
178 | clk_register_clkdev(clk[ssi1_gate], "ssi1", NULL); | ||
179 | clk_register_clkdev(clk[ssi2_gate], "ssi2", NULL); | ||
180 | clk_register_clkdev(clk[sdhc1_ipg_gate], "sdhc1", NULL); | ||
181 | clk_register_clkdev(clk[sdhc2_ipg_gate], "sdhc2", NULL); | ||
182 | |||
183 | mxc_timer_init(NULL, MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR), | ||
184 | MX21_INT_GPT1); | ||
185 | return 0; | ||
186 | } | ||
diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c new file mode 100644 index 000000000000..d9833bb5fd61 --- /dev/null +++ b/arch/arm/mach-imx/clk-imx25.c | |||
@@ -0,0 +1,248 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2009 by Sascha Hauer, Pengutronix | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; either version 2 | ||
7 | * of the License, or (at your option) any later version. | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program; if not, write to the Free Software | ||
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
16 | * MA 02110-1301, USA. | ||
17 | */ | ||
18 | |||
19 | #include <linux/kernel.h> | ||
20 | #include <linux/init.h> | ||
21 | #include <linux/list.h> | ||
22 | #include <linux/clk.h> | ||
23 | #include <linux/io.h> | ||
24 | #include <linux/clkdev.h> | ||
25 | #include <linux/err.h> | ||
26 | |||
27 | #include <mach/hardware.h> | ||
28 | #include <mach/common.h> | ||
29 | #include <mach/mx25.h> | ||
30 | #include "clk.h" | ||
31 | |||
32 | #define CRM_BASE MX25_IO_ADDRESS(MX25_CRM_BASE_ADDR) | ||
33 | |||
34 | #define CCM_MPCTL 0x00 | ||
35 | #define CCM_UPCTL 0x04 | ||
36 | #define CCM_CCTL 0x08 | ||
37 | #define CCM_CGCR0 0x0C | ||
38 | #define CCM_CGCR1 0x10 | ||
39 | #define CCM_CGCR2 0x14 | ||
40 | #define CCM_PCDR0 0x18 | ||
41 | #define CCM_PCDR1 0x1C | ||
42 | #define CCM_PCDR2 0x20 | ||
43 | #define CCM_PCDR3 0x24 | ||
44 | #define CCM_RCSR 0x28 | ||
45 | #define CCM_CRDR 0x2C | ||
46 | #define CCM_DCVR0 0x30 | ||
47 | #define CCM_DCVR1 0x34 | ||
48 | #define CCM_DCVR2 0x38 | ||
49 | #define CCM_DCVR3 0x3c | ||
50 | #define CCM_LTR0 0x40 | ||
51 | #define CCM_LTR1 0x44 | ||
52 | #define CCM_LTR2 0x48 | ||
53 | #define CCM_LTR3 0x4c | ||
54 | #define CCM_MCR 0x64 | ||
55 | |||
56 | #define ccm(x) (CRM_BASE + (x)) | ||
57 | |||
58 | static const char *cpu_sel_clks[] = { "mpll", "mpll_cpu_3_4", }; | ||
59 | static const char *per_sel_clks[] = { "ahb", "upll", }; | ||
60 | |||
61 | enum mx25_clks { | ||
62 | dummy, osc, mpll, upll, mpll_cpu_3_4, cpu_sel, cpu, ahb, usb_div, ipg, | ||
63 | per0_sel, per1_sel, per2_sel, per3_sel, per4_sel, per5_sel, per6_sel, | ||
64 | per7_sel, per8_sel, per9_sel, per10_sel, per11_sel, per12_sel, | ||
65 | per13_sel, per14_sel, per15_sel, per0, per1, per2, per3, per4, per5, | ||
66 | per6, per7, per8, per9, per10, per11, per12, per13, per14, per15, | ||
67 | csi_ipg_per, esdhc1_ipg_per, esdhc2_ipg_per, gpt_ipg_per, i2c_ipg_per, | ||
68 | lcdc_ipg_per, nfc_ipg_per, ssi1_ipg_per, ssi2_ipg_per, uart_ipg_per, | ||
69 | csi_ahb, esdhc1_ahb, esdhc2_ahb, fec_ahb, lcdc_ahb, sdma_ahb, | ||
70 | usbotg_ahb, can1_ipg, can2_ipg, csi_ipg, cspi1_ipg, cspi2_ipg, | ||
71 | cspi3_ipg, dryice_ipg, esdhc1_ipg, esdhc2_ipg, fec_ipg, iim_ipg, | ||
72 | kpp_ipg, lcdc_ipg, pwm1_ipg, pwm2_ipg, pwm3_ipg, pwm4_ipg, sdma_ipg, | ||
73 | ssi1_ipg, ssi2_ipg, tsc_ipg, uart1_ipg, uart2_ipg, uart3_ipg, | ||
74 | uart4_ipg, uart5_ipg, wdt_ipg, clk_max | ||
75 | }; | ||
76 | |||
77 | static struct clk *clk[clk_max]; | ||
78 | |||
79 | int __init mx25_clocks_init(void) | ||
80 | { | ||
81 | int i; | ||
82 | |||
83 | clk[dummy] = imx_clk_fixed("dummy", 0); | ||
84 | clk[osc] = imx_clk_fixed("osc", 24000000); | ||
85 | clk[mpll] = imx_clk_pllv1("mpll", "osc", ccm(CCM_MPCTL)); | ||
86 | clk[upll] = imx_clk_pllv1("upll", "osc", ccm(CCM_UPCTL)); | ||
87 | clk[mpll_cpu_3_4] = imx_clk_fixed_factor("mpll_cpu_3_4", "mpll", 3, 4); | ||
88 | clk[cpu_sel] = imx_clk_mux("cpu_sel", ccm(CCM_CCTL), 14, 1, cpu_sel_clks, ARRAY_SIZE(cpu_sel_clks)); | ||
89 | clk[cpu] = imx_clk_divider("cpu", "cpu_sel", ccm(CCM_CCTL), 30, 2); | ||
90 | clk[ahb] = imx_clk_divider("ahb", "cpu", ccm(CCM_CCTL), 28, 2); | ||
91 | clk[usb_div] = imx_clk_divider("usb_div", "upll", ccm(CCM_CCTL), 16, 6); | ||
92 | clk[ipg] = imx_clk_fixed_factor("ipg", "ahb", 1, 2); | ||
93 | clk[per0_sel] = imx_clk_mux("per0_sel", ccm(CCM_MCR), 0, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
94 | clk[per1_sel] = imx_clk_mux("per1_sel", ccm(CCM_MCR), 1, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
95 | clk[per2_sel] = imx_clk_mux("per2_sel", ccm(CCM_MCR), 2, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
96 | clk[per3_sel] = imx_clk_mux("per3_sel", ccm(CCM_MCR), 3, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
97 | clk[per4_sel] = imx_clk_mux("per4_sel", ccm(CCM_MCR), 4, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
98 | clk[per5_sel] = imx_clk_mux("per5_sel", ccm(CCM_MCR), 5, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
99 | clk[per6_sel] = imx_clk_mux("per6_sel", ccm(CCM_MCR), 6, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
100 | clk[per7_sel] = imx_clk_mux("per7_sel", ccm(CCM_MCR), 7, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
101 | clk[per8_sel] = imx_clk_mux("per8_sel", ccm(CCM_MCR), 8, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
102 | clk[per9_sel] = imx_clk_mux("per9_sel", ccm(CCM_MCR), 9, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
103 | clk[per10_sel] = imx_clk_mux("per10_sel", ccm(CCM_MCR), 10, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
104 | clk[per11_sel] = imx_clk_mux("per11_sel", ccm(CCM_MCR), 11, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
105 | clk[per12_sel] = imx_clk_mux("per12_sel", ccm(CCM_MCR), 12, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
106 | clk[per13_sel] = imx_clk_mux("per13_sel", ccm(CCM_MCR), 13, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
107 | clk[per14_sel] = imx_clk_mux("per14_sel", ccm(CCM_MCR), 14, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
108 | clk[per15_sel] = imx_clk_mux("per15_sel", ccm(CCM_MCR), 15, 1, per_sel_clks, ARRAY_SIZE(per_sel_clks)); | ||
109 | clk[per0] = imx_clk_divider("per0", "per0_sel", ccm(CCM_PCDR0), 0, 6); | ||
110 | clk[per1] = imx_clk_divider("per1", "per1_sel", ccm(CCM_PCDR0), 8, 6); | ||
111 | clk[per2] = imx_clk_divider("per2", "per2_sel", ccm(CCM_PCDR0), 16, 6); | ||
112 | clk[per3] = imx_clk_divider("per3", "per3_sel", ccm(CCM_PCDR0), 24, 6); | ||
113 | clk[per4] = imx_clk_divider("per4", "per4_sel", ccm(CCM_PCDR1), 0, 6); | ||
114 | clk[per5] = imx_clk_divider("per5", "per5_sel", ccm(CCM_PCDR1), 8, 6); | ||
115 | clk[per6] = imx_clk_divider("per6", "per6_sel", ccm(CCM_PCDR1), 16, 6); | ||
116 | clk[per7] = imx_clk_divider("per7", "per7_sel", ccm(CCM_PCDR1), 24, 6); | ||
117 | clk[per8] = imx_clk_divider("per8", "per8_sel", ccm(CCM_PCDR2), 0, 6); | ||
118 | clk[per9] = imx_clk_divider("per9", "per9_sel", ccm(CCM_PCDR2), 8, 6); | ||
119 | clk[per10] = imx_clk_divider("per10", "per10_sel", ccm(CCM_PCDR2), 16, 6); | ||
120 | clk[per11] = imx_clk_divider("per11", "per11_sel", ccm(CCM_PCDR2), 24, 6); | ||
121 | clk[per12] = imx_clk_divider("per12", "per12_sel", ccm(CCM_PCDR3), 0, 6); | ||
122 | clk[per13] = imx_clk_divider("per13", "per13_sel", ccm(CCM_PCDR3), 8, 6); | ||
123 | clk[per14] = imx_clk_divider("per14", "per14_sel", ccm(CCM_PCDR3), 16, 6); | ||
124 | clk[per15] = imx_clk_divider("per15", "per15_sel", ccm(CCM_PCDR3), 24, 6); | ||
125 | clk[csi_ipg_per] = imx_clk_gate("csi_ipg_per", "per0", ccm(CCM_CGCR0), 0); | ||
126 | clk[esdhc1_ipg_per] = imx_clk_gate("esdhc1_ipg_per", "per3", ccm(CCM_CGCR0), 3); | ||
127 | clk[esdhc2_ipg_per] = imx_clk_gate("esdhc2_ipg_per", "per4", ccm(CCM_CGCR0), 4); | ||
128 | clk[gpt_ipg_per] = imx_clk_gate("gpt_ipg_per", "per5", ccm(CCM_CGCR0), 5); | ||
129 | clk[i2c_ipg_per] = imx_clk_gate("i2c_ipg_per", "per6", ccm(CCM_CGCR0), 6); | ||
130 | clk[lcdc_ipg_per] = imx_clk_gate("lcdc_ipg_per", "per8", ccm(CCM_CGCR0), 7); | ||
131 | clk[nfc_ipg_per] = imx_clk_gate("nfc_ipg_per", "ipg_per", ccm(CCM_CGCR0), 8); | ||
132 | clk[ssi1_ipg_per] = imx_clk_gate("ssi1_ipg_per", "per13", ccm(CCM_CGCR0), 13); | ||
133 | clk[ssi2_ipg_per] = imx_clk_gate("ssi2_ipg_per", "per14", ccm(CCM_CGCR0), 14); | ||
134 | clk[uart_ipg_per] = imx_clk_gate("uart_ipg_per", "per15", ccm(CCM_CGCR0), 15); | ||
135 | clk[csi_ahb] = imx_clk_gate("csi_ahb", "ahb", ccm(CCM_CGCR0), 18); | ||
136 | clk[esdhc1_ahb] = imx_clk_gate("esdhc1_ahb", "ahb", ccm(CCM_CGCR0), 21); | ||
137 | clk[esdhc2_ahb] = imx_clk_gate("esdhc2_ahb", "ahb", ccm(CCM_CGCR0), 22); | ||
138 | clk[fec_ahb] = imx_clk_gate("fec_ahb", "ahb", ccm(CCM_CGCR0), 23); | ||
139 | clk[lcdc_ahb] = imx_clk_gate("lcdc_ahb", "ahb", ccm(CCM_CGCR0), 24); | ||
140 | clk[sdma_ahb] = imx_clk_gate("sdma_ahb", "ahb", ccm(CCM_CGCR0), 26); | ||
141 | clk[usbotg_ahb] = imx_clk_gate("usbotg_ahb", "ahb", ccm(CCM_CGCR0), 28); | ||
142 | clk[can1_ipg] = imx_clk_gate("can1_ipg", "ipg", ccm(CCM_CGCR1), 2); | ||
143 | clk[can2_ipg] = imx_clk_gate("can2_ipg", "ipg", ccm(CCM_CGCR1), 3); | ||
144 | clk[csi_ipg] = imx_clk_gate("csi_ipg", "ipg", ccm(CCM_CGCR1), 4); | ||
145 | clk[cspi1_ipg] = imx_clk_gate("cspi1_ipg", "ipg", ccm(CCM_CGCR1), 5); | ||
146 | clk[cspi2_ipg] = imx_clk_gate("cspi2_ipg", "ipg", ccm(CCM_CGCR1), 6); | ||
147 | clk[cspi3_ipg] = imx_clk_gate("cspi3_ipg", "ipg", ccm(CCM_CGCR1), 7); | ||
148 | clk[dryice_ipg] = imx_clk_gate("dryice_ipg", "ipg", ccm(CCM_CGCR1), 8); | ||
149 | clk[esdhc1_ipg] = imx_clk_gate("esdhc1_ipg", "ipg", ccm(CCM_CGCR1), 13); | ||
150 | clk[esdhc2_ipg] = imx_clk_gate("esdhc2_ipg", "ipg", ccm(CCM_CGCR1), 14); | ||
151 | clk[fec_ipg] = imx_clk_gate("fec_ipg", "ipg", ccm(CCM_CGCR1), 15); | ||
152 | clk[iim_ipg] = imx_clk_gate("iim_ipg", "ipg", ccm(CCM_CGCR1), 26); | ||
153 | clk[kpp_ipg] = imx_clk_gate("kpp_ipg", "ipg", ccm(CCM_CGCR1), 28); | ||
154 | clk[lcdc_ipg] = imx_clk_gate("lcdc_ipg", "ipg", ccm(CCM_CGCR1), 29); | ||
155 | clk[pwm1_ipg] = imx_clk_gate("pwm1_ipg", "ipg", ccm(CCM_CGCR1), 31); | ||
156 | clk[pwm2_ipg] = imx_clk_gate("pwm2_ipg", "ipg", ccm(CCM_CGCR2), 0); | ||
157 | clk[pwm3_ipg] = imx_clk_gate("pwm3_ipg", "ipg", ccm(CCM_CGCR2), 1); | ||
158 | clk[pwm4_ipg] = imx_clk_gate("pwm4_ipg", "ipg", ccm(CCM_CGCR2), 2); | ||
159 | clk[sdma_ipg] = imx_clk_gate("sdma_ipg", "ipg", ccm(CCM_CGCR2), 6); | ||
160 | clk[ssi1_ipg] = imx_clk_gate("ssi1_ipg", "ipg", ccm(CCM_CGCR2), 11); | ||
161 | clk[ssi2_ipg] = imx_clk_gate("ssi2_ipg", "ipg", ccm(CCM_CGCR2), 12); | ||
162 | clk[tsc_ipg] = imx_clk_gate("tsc_ipg", "ipg", ccm(CCM_CGCR2), 13); | ||
163 | clk[uart1_ipg] = imx_clk_gate("uart1_ipg", "ipg", ccm(CCM_CGCR2), 14); | ||
164 | clk[uart2_ipg] = imx_clk_gate("uart2_ipg", "ipg", ccm(CCM_CGCR2), 15); | ||
165 | clk[uart3_ipg] = imx_clk_gate("uart3_ipg", "ipg", ccm(CCM_CGCR2), 16); | ||
166 | clk[uart4_ipg] = imx_clk_gate("uart4_ipg", "ipg", ccm(CCM_CGCR2), 17); | ||
167 | clk[uart5_ipg] = imx_clk_gate("uart5_ipg", "ipg", ccm(CCM_CGCR2), 18); | ||
168 | clk[wdt_ipg] = imx_clk_gate("wdt_ipg", "ipg", ccm(CCM_CGCR2), 19); | ||
169 | |||
170 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
171 | if (IS_ERR(clk[i])) | ||
172 | pr_err("i.MX25 clk %d: register failed with %ld\n", | ||
173 | i, PTR_ERR(clk[i])); | ||
174 | |||
175 | /* i.mx25 has the i.mx21 type uart */ | ||
176 | clk_register_clkdev(clk[uart1_ipg], "ipg", "imx21-uart.0"); | ||
177 | clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.0"); | ||
178 | clk_register_clkdev(clk[uart2_ipg], "ipg", "imx21-uart.1"); | ||
179 | clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.1"); | ||
180 | clk_register_clkdev(clk[uart3_ipg], "ipg", "imx21-uart.2"); | ||
181 | clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.2"); | ||
182 | clk_register_clkdev(clk[uart4_ipg], "ipg", "imx21-uart.3"); | ||
183 | clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.3"); | ||
184 | clk_register_clkdev(clk[uart5_ipg], "ipg", "imx21-uart.4"); | ||
185 | clk_register_clkdev(clk[uart_ipg_per], "per", "imx21-uart.4"); | ||
186 | clk_register_clkdev(clk[ipg], "ipg", "imx-gpt.0"); | ||
187 | clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0"); | ||
188 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.0"); | ||
189 | clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.0"); | ||
190 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0"); | ||
191 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.1"); | ||
192 | clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.1"); | ||
193 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.1"); | ||
194 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); | ||
195 | clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.2"); | ||
196 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); | ||
197 | clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); | ||
198 | clk_register_clkdev(clk[usbotg_ahb], "ahb", "fsl-usb2-udc"); | ||
199 | clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); | ||
200 | clk_register_clkdev(clk[nfc_ipg_per], NULL, "mxc_nand.0"); | ||
201 | /* i.mx25 has the i.mx35 type cspi */ | ||
202 | clk_register_clkdev(clk[cspi1_ipg], NULL, "imx35-cspi.0"); | ||
203 | clk_register_clkdev(clk[cspi2_ipg], NULL, "imx35-cspi.1"); | ||
204 | clk_register_clkdev(clk[cspi3_ipg], NULL, "imx35-cspi.2"); | ||
205 | clk_register_clkdev(clk[pwm1_ipg], "ipg", "mxc_pwm.0"); | ||
206 | clk_register_clkdev(clk[per10], "per", "mxc_pwm.0"); | ||
207 | clk_register_clkdev(clk[pwm1_ipg], "ipg", "mxc_pwm.1"); | ||
208 | clk_register_clkdev(clk[per10], "per", "mxc_pwm.1"); | ||
209 | clk_register_clkdev(clk[pwm1_ipg], "ipg", "mxc_pwm.2"); | ||
210 | clk_register_clkdev(clk[per10], "per", "mxc_pwm.2"); | ||
211 | clk_register_clkdev(clk[pwm1_ipg], "ipg", "mxc_pwm.3"); | ||
212 | clk_register_clkdev(clk[per10], "per", "mxc_pwm.3"); | ||
213 | clk_register_clkdev(clk[kpp_ipg], NULL, "imx-keypad"); | ||
214 | clk_register_clkdev(clk[tsc_ipg], NULL, "mx25-adc"); | ||
215 | clk_register_clkdev(clk[i2c_ipg_per], NULL, "imx-i2c.0"); | ||
216 | clk_register_clkdev(clk[i2c_ipg_per], NULL, "imx-i2c.1"); | ||
217 | clk_register_clkdev(clk[i2c_ipg_per], NULL, "imx-i2c.2"); | ||
218 | clk_register_clkdev(clk[fec_ipg], "ipg", "imx25-fec.0"); | ||
219 | clk_register_clkdev(clk[fec_ahb], "ahb", "imx25-fec.0"); | ||
220 | clk_register_clkdev(clk[dryice_ipg], NULL, "imxdi_rtc.0"); | ||
221 | clk_register_clkdev(clk[lcdc_ipg_per], "per", "imx-fb.0"); | ||
222 | clk_register_clkdev(clk[lcdc_ipg], "ipg", "imx-fb.0"); | ||
223 | clk_register_clkdev(clk[lcdc_ahb], "ahb", "imx-fb.0"); | ||
224 | clk_register_clkdev(clk[wdt_ipg], NULL, "imx2-wdt.0"); | ||
225 | clk_register_clkdev(clk[ssi1_ipg_per], "per", "imx-ssi.0"); | ||
226 | clk_register_clkdev(clk[ssi1_ipg], "ipg", "imx-ssi.0"); | ||
227 | clk_register_clkdev(clk[ssi2_ipg_per], "per", "imx-ssi.1"); | ||
228 | clk_register_clkdev(clk[ssi2_ipg], "ipg", "imx-ssi.1"); | ||
229 | clk_register_clkdev(clk[esdhc1_ipg_per], "per", "sdhci-esdhc-imx25.0"); | ||
230 | clk_register_clkdev(clk[esdhc1_ipg], "ipg", "sdhci-esdhc-imx25.0"); | ||
231 | clk_register_clkdev(clk[esdhc1_ahb], "ahb", "sdhci-esdhc-imx25.0"); | ||
232 | clk_register_clkdev(clk[esdhc2_ipg_per], "per", "sdhci-esdhc-imx25.1"); | ||
233 | clk_register_clkdev(clk[esdhc2_ipg], "ipg", "sdhci-esdhc-imx25.1"); | ||
234 | clk_register_clkdev(clk[esdhc2_ahb], "ahb", "sdhci-esdhc-imx25.1"); | ||
235 | clk_register_clkdev(clk[csi_ipg_per], "per", "mx2-camera.0"); | ||
236 | clk_register_clkdev(clk[csi_ipg], "ipg", "mx2-camera.0"); | ||
237 | clk_register_clkdev(clk[csi_ahb], "ahb", "mx2-camera.0"); | ||
238 | clk_register_clkdev(clk[dummy], "audmux", NULL); | ||
239 | clk_register_clkdev(clk[can1_ipg], NULL, "flexcan.0"); | ||
240 | clk_register_clkdev(clk[can2_ipg], NULL, "flexcan.1"); | ||
241 | /* i.mx25 has the i.mx35 type sdma */ | ||
242 | clk_register_clkdev(clk[sdma_ipg], "ipg", "imx35-sdma"); | ||
243 | clk_register_clkdev(clk[sdma_ahb], "ahb", "imx35-sdma"); | ||
244 | clk_register_clkdev(clk[iim_ipg], "iim", NULL); | ||
245 | |||
246 | mxc_timer_init(NULL, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54); | ||
247 | return 0; | ||
248 | } | ||
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c new file mode 100644 index 000000000000..50a7ebd8d1b2 --- /dev/null +++ b/arch/arm/mach-imx/clk-imx27.c | |||
@@ -0,0 +1,290 @@ | |||
1 | #include <linux/clk.h> | ||
2 | #include <linux/io.h> | ||
3 | #include <linux/module.h> | ||
4 | #include <linux/clkdev.h> | ||
5 | #include <linux/err.h> | ||
6 | #include <linux/clk-provider.h> | ||
7 | #include <linux/of.h> | ||
8 | |||
9 | #include <mach/common.h> | ||
10 | #include <mach/hardware.h> | ||
11 | #include "clk.h" | ||
12 | |||
13 | #define IO_ADDR_CCM(off) (MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR + (off))) | ||
14 | |||
15 | /* Register offsets */ | ||
16 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
17 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
18 | #define CCM_MPCTL1 IO_ADDR_CCM(0x8) | ||
19 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
20 | #define CCM_SPCTL1 IO_ADDR_CCM(0x10) | ||
21 | #define CCM_OSC26MCTL IO_ADDR_CCM(0x14) | ||
22 | #define CCM_PCDR0 IO_ADDR_CCM(0x18) | ||
23 | #define CCM_PCDR1 IO_ADDR_CCM(0x1c) | ||
24 | #define CCM_PCCR0 IO_ADDR_CCM(0x20) | ||
25 | #define CCM_PCCR1 IO_ADDR_CCM(0x24) | ||
26 | #define CCM_CCSR IO_ADDR_CCM(0x28) | ||
27 | #define CCM_PMCTL IO_ADDR_CCM(0x2c) | ||
28 | #define CCM_PMCOUNT IO_ADDR_CCM(0x30) | ||
29 | #define CCM_WKGDCTL IO_ADDR_CCM(0x34) | ||
30 | |||
31 | #define CCM_CSCR_UPDATE_DIS (1 << 31) | ||
32 | #define CCM_CSCR_SSI2 (1 << 23) | ||
33 | #define CCM_CSCR_SSI1 (1 << 22) | ||
34 | #define CCM_CSCR_VPU (1 << 21) | ||
35 | #define CCM_CSCR_MSHC (1 << 20) | ||
36 | #define CCM_CSCR_SPLLRES (1 << 19) | ||
37 | #define CCM_CSCR_MPLLRES (1 << 18) | ||
38 | #define CCM_CSCR_SP (1 << 17) | ||
39 | #define CCM_CSCR_MCU (1 << 16) | ||
40 | #define CCM_CSCR_OSC26MDIV (1 << 4) | ||
41 | #define CCM_CSCR_OSC26M (1 << 3) | ||
42 | #define CCM_CSCR_FPM (1 << 2) | ||
43 | #define CCM_CSCR_SPEN (1 << 1) | ||
44 | #define CCM_CSCR_MPEN (1 << 0) | ||
45 | |||
46 | /* i.MX27 TO 2+ */ | ||
47 | #define CCM_CSCR_ARM_SRC (1 << 15) | ||
48 | |||
49 | #define CCM_SPCTL1_LF (1 << 15) | ||
50 | #define CCM_SPCTL1_BRMO (1 << 6) | ||
51 | |||
52 | static const char *vpu_sel_clks[] = { "spll", "mpll_main2", }; | ||
53 | static const char *cpu_sel_clks[] = { "mpll_main2", "mpll", }; | ||
54 | static const char *clko_sel_clks[] = { | ||
55 | "ckil", "prem", "ckih", "ckih", | ||
56 | "ckih", "mpll", "spll", "cpu_div", | ||
57 | "ahb", "ipg", "per1_div", "per2_div", | ||
58 | "per3_div", "per4_div", "ssi1_div", "ssi2_div", | ||
59 | "nfc_div", "mshc_div", "vpu_div", "60m", | ||
60 | "32k", "usb_div", "dptc", | ||
61 | }; | ||
62 | |||
63 | static const char *ssi_sel_clks[] = { "spll", "mpll", }; | ||
64 | |||
65 | enum mx27_clks { | ||
66 | dummy, ckih, ckil, mpll, spll, mpll_main2, ahb, ipg, nfc_div, per1_div, | ||
67 | per2_div, per3_div, per4_div, vpu_sel, vpu_div, usb_div, cpu_sel, | ||
68 | clko_sel, cpu_div, clko_div, ssi1_sel, ssi2_sel, ssi1_div, ssi2_div, | ||
69 | clko_en, ssi2_ipg_gate, ssi1_ipg_gate, slcdc_ipg_gate, sdhc3_ipg_gate, | ||
70 | sdhc2_ipg_gate, sdhc1_ipg_gate, scc_ipg_gate, sahara_ipg_gate, | ||
71 | rtc_ipg_gate, pwm_ipg_gate, owire_ipg_gate, lcdc_ipg_gate, | ||
72 | kpp_ipg_gate, iim_ipg_gate, i2c2_ipg_gate, i2c1_ipg_gate, | ||
73 | gpt6_ipg_gate, gpt5_ipg_gate, gpt4_ipg_gate, gpt3_ipg_gate, | ||
74 | gpt2_ipg_gate, gpt1_ipg_gate, gpio_ipg_gate, fec_ipg_gate, | ||
75 | emma_ipg_gate, dma_ipg_gate, cspi3_ipg_gate, cspi2_ipg_gate, | ||
76 | cspi1_ipg_gate, nfc_baud_gate, ssi2_baud_gate, ssi1_baud_gate, | ||
77 | vpu_baud_gate, per4_gate, per3_gate, per2_gate, per1_gate, | ||
78 | usb_ahb_gate, slcdc_ahb_gate, sahara_ahb_gate, lcdc_ahb_gate, | ||
79 | vpu_ahb_gate, fec_ahb_gate, emma_ahb_gate, emi_ahb_gate, dma_ahb_gate, | ||
80 | csi_ahb_gate, brom_ahb_gate, ata_ahb_gate, wdog_ipg_gate, usb_ipg_gate, | ||
81 | uart6_ipg_gate, uart5_ipg_gate, uart4_ipg_gate, uart3_ipg_gate, | ||
82 | uart2_ipg_gate, uart1_ipg_gate, clk_max | ||
83 | }; | ||
84 | |||
85 | static struct clk *clk[clk_max]; | ||
86 | |||
87 | int __init mx27_clocks_init(unsigned long fref) | ||
88 | { | ||
89 | int i; | ||
90 | |||
91 | clk[dummy] = imx_clk_fixed("dummy", 0); | ||
92 | clk[ckih] = imx_clk_fixed("ckih", fref); | ||
93 | clk[ckil] = imx_clk_fixed("ckil", 32768); | ||
94 | clk[mpll] = imx_clk_pllv1("mpll", "ckih", CCM_MPCTL0); | ||
95 | clk[spll] = imx_clk_pllv1("spll", "ckih", CCM_SPCTL0); | ||
96 | clk[mpll_main2] = imx_clk_fixed_factor("mpll_main2", "mpll", 2, 3); | ||
97 | |||
98 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) { | ||
99 | clk[ahb] = imx_clk_divider("ahb", "mpll_main2", CCM_CSCR, 8, 2); | ||
100 | clk[ipg] = imx_clk_fixed_factor("ipg", "ahb", 1, 2); | ||
101 | } else { | ||
102 | clk[ahb] = imx_clk_divider("ahb", "mpll_main2", CCM_CSCR, 9, 4); | ||
103 | clk[ipg] = imx_clk_divider("ipg", "ahb", CCM_CSCR, 8, 1); | ||
104 | } | ||
105 | |||
106 | clk[nfc_div] = imx_clk_divider("nfc_div", "ahb", CCM_PCDR0, 6, 4); | ||
107 | clk[per1_div] = imx_clk_divider("per1_div", "mpll_main2", CCM_PCDR1, 0, 6); | ||
108 | clk[per2_div] = imx_clk_divider("per2_div", "mpll_main2", CCM_PCDR1, 8, 6); | ||
109 | clk[per3_div] = imx_clk_divider("per3_div", "mpll_main2", CCM_PCDR1, 16, 6); | ||
110 | clk[per4_div] = imx_clk_divider("per4_div", "mpll_main2", CCM_PCDR1, 24, 6); | ||
111 | clk[vpu_sel] = imx_clk_mux("vpu_sel", CCM_CSCR, 21, 1, vpu_sel_clks, ARRAY_SIZE(vpu_sel_clks)); | ||
112 | clk[vpu_div] = imx_clk_divider("vpu_div", "vpu_sel", CCM_PCDR0, 10, 3); | ||
113 | clk[usb_div] = imx_clk_divider("usb_div", "spll", CCM_CSCR, 28, 3); | ||
114 | clk[cpu_sel] = imx_clk_mux("cpu_sel", CCM_CSCR, 15, 1, cpu_sel_clks, ARRAY_SIZE(cpu_sel_clks)); | ||
115 | clk[clko_sel] = imx_clk_mux("clko_sel", CCM_CCSR, 0, 5, clko_sel_clks, ARRAY_SIZE(clko_sel_clks)); | ||
116 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) | ||
117 | clk[cpu_div] = imx_clk_divider("cpu_div", "cpu_sel", CCM_CSCR, 12, 2); | ||
118 | else | ||
119 | clk[cpu_div] = imx_clk_divider("cpu_div", "cpu_sel", CCM_CSCR, 13, 3); | ||
120 | clk[clko_div] = imx_clk_divider("clko_div", "clko_sel", CCM_PCDR0, 22, 3); | ||
121 | clk[ssi1_sel] = imx_clk_mux("ssi1_sel", CCM_CSCR, 22, 1, ssi_sel_clks, ARRAY_SIZE(ssi_sel_clks)); | ||
122 | clk[ssi2_sel] = imx_clk_mux("ssi2_sel", CCM_CSCR, 23, 1, ssi_sel_clks, ARRAY_SIZE(ssi_sel_clks)); | ||
123 | clk[ssi1_div] = imx_clk_divider("ssi1_div", "ssi1_sel", CCM_PCDR0, 16, 6); | ||
124 | clk[ssi2_div] = imx_clk_divider("ssi2_div", "ssi2_sel", CCM_PCDR0, 26, 3); | ||
125 | clk[clko_en] = imx_clk_gate("clko_en", "clko_div", CCM_PCCR0, 0); | ||
126 | clk[ssi2_ipg_gate] = imx_clk_gate("ssi2_ipg_gate", "ipg", CCM_PCCR0, 0); | ||
127 | clk[ssi1_ipg_gate] = imx_clk_gate("ssi1_ipg_gate", "ipg", CCM_PCCR0, 1); | ||
128 | clk[slcdc_ipg_gate] = imx_clk_gate("slcdc_ipg_gate", "ipg", CCM_PCCR0, 2); | ||
129 | clk[sdhc3_ipg_gate] = imx_clk_gate("sdhc3_ipg_gate", "ipg", CCM_PCCR0, 3); | ||
130 | clk[sdhc2_ipg_gate] = imx_clk_gate("sdhc2_ipg_gate", "ipg", CCM_PCCR0, 4); | ||
131 | clk[sdhc1_ipg_gate] = imx_clk_gate("sdhc1_ipg_gate", "ipg", CCM_PCCR0, 5); | ||
132 | clk[scc_ipg_gate] = imx_clk_gate("scc_ipg_gate", "ipg", CCM_PCCR0, 6); | ||
133 | clk[sahara_ipg_gate] = imx_clk_gate("sahara_ipg_gate", "ipg", CCM_PCCR0, 7); | ||
134 | clk[rtc_ipg_gate] = imx_clk_gate("rtc_ipg_gate", "ipg", CCM_PCCR0, 9); | ||
135 | clk[pwm_ipg_gate] = imx_clk_gate("pwm_ipg_gate", "ipg", CCM_PCCR0, 11); | ||
136 | clk[owire_ipg_gate] = imx_clk_gate("owire_ipg_gate", "ipg", CCM_PCCR0, 12); | ||
137 | clk[lcdc_ipg_gate] = imx_clk_gate("lcdc_ipg_gate", "ipg", CCM_PCCR0, 14); | ||
138 | clk[kpp_ipg_gate] = imx_clk_gate("kpp_ipg_gate", "ipg", CCM_PCCR0, 15); | ||
139 | clk[iim_ipg_gate] = imx_clk_gate("iim_ipg_gate", "ipg", CCM_PCCR0, 16); | ||
140 | clk[i2c2_ipg_gate] = imx_clk_gate("i2c2_ipg_gate", "ipg", CCM_PCCR0, 17); | ||
141 | clk[i2c1_ipg_gate] = imx_clk_gate("i2c1_ipg_gate", "ipg", CCM_PCCR0, 18); | ||
142 | clk[gpt6_ipg_gate] = imx_clk_gate("gpt6_ipg_gate", "ipg", CCM_PCCR0, 19); | ||
143 | clk[gpt5_ipg_gate] = imx_clk_gate("gpt5_ipg_gate", "ipg", CCM_PCCR0, 20); | ||
144 | clk[gpt4_ipg_gate] = imx_clk_gate("gpt4_ipg_gate", "ipg", CCM_PCCR0, 21); | ||
145 | clk[gpt3_ipg_gate] = imx_clk_gate("gpt3_ipg_gate", "ipg", CCM_PCCR0, 22); | ||
146 | clk[gpt2_ipg_gate] = imx_clk_gate("gpt2_ipg_gate", "ipg", CCM_PCCR0, 23); | ||
147 | clk[gpt1_ipg_gate] = imx_clk_gate("gpt1_ipg_gate", "ipg", CCM_PCCR0, 24); | ||
148 | clk[gpio_ipg_gate] = imx_clk_gate("gpio_ipg_gate", "ipg", CCM_PCCR0, 25); | ||
149 | clk[fec_ipg_gate] = imx_clk_gate("fec_ipg_gate", "ipg", CCM_PCCR0, 26); | ||
150 | clk[emma_ipg_gate] = imx_clk_gate("emma_ipg_gate", "ipg", CCM_PCCR0, 27); | ||
151 | clk[dma_ipg_gate] = imx_clk_gate("dma_ipg_gate", "ipg", CCM_PCCR0, 28); | ||
152 | clk[cspi3_ipg_gate] = imx_clk_gate("cspi3_ipg_gate", "ipg", CCM_PCCR0, 29); | ||
153 | clk[cspi2_ipg_gate] = imx_clk_gate("cspi2_ipg_gate", "ipg", CCM_PCCR0, 30); | ||
154 | clk[cspi1_ipg_gate] = imx_clk_gate("cspi1_ipg_gate", "ipg", CCM_PCCR0, 31); | ||
155 | clk[nfc_baud_gate] = imx_clk_gate("nfc_baud_gate", "nfc_div", CCM_PCCR1, 3); | ||
156 | clk[ssi2_baud_gate] = imx_clk_gate("ssi2_baud_gate", "ssi2_div", CCM_PCCR1, 4); | ||
157 | clk[ssi1_baud_gate] = imx_clk_gate("ssi1_baud_gate", "ssi1_div", CCM_PCCR1, 5); | ||
158 | clk[vpu_baud_gate] = imx_clk_gate("vpu_baud_gate", "vpu_div", CCM_PCCR1, 6); | ||
159 | clk[per4_gate] = imx_clk_gate("per4_gate", "per4_div", CCM_PCCR1, 7); | ||
160 | clk[per3_gate] = imx_clk_gate("per3_gate", "per3_div", CCM_PCCR1, 8); | ||
161 | clk[per2_gate] = imx_clk_gate("per2_gate", "per2_div", CCM_PCCR1, 9); | ||
162 | clk[per1_gate] = imx_clk_gate("per1_gate", "per1_div", CCM_PCCR1, 10); | ||
163 | clk[usb_ahb_gate] = imx_clk_gate("usb_ahb_gate", "ahb", CCM_PCCR1, 11); | ||
164 | clk[slcdc_ahb_gate] = imx_clk_gate("slcdc_ahb_gate", "ahb", CCM_PCCR1, 12); | ||
165 | clk[sahara_ahb_gate] = imx_clk_gate("sahara_ahb_gate", "ahb", CCM_PCCR1, 13); | ||
166 | clk[lcdc_ahb_gate] = imx_clk_gate("lcdc_ahb_gate", "ahb", CCM_PCCR1, 15); | ||
167 | clk[vpu_ahb_gate] = imx_clk_gate("vpu_ahb_gate", "ahb", CCM_PCCR1, 16); | ||
168 | clk[fec_ahb_gate] = imx_clk_gate("fec_ahb_gate", "ahb", CCM_PCCR1, 17); | ||
169 | clk[emma_ahb_gate] = imx_clk_gate("emma_ahb_gate", "ahb", CCM_PCCR1, 18); | ||
170 | clk[emi_ahb_gate] = imx_clk_gate("emi_ahb_gate", "ahb", CCM_PCCR1, 19); | ||
171 | clk[dma_ahb_gate] = imx_clk_gate("dma_ahb_gate", "ahb", CCM_PCCR1, 20); | ||
172 | clk[csi_ahb_gate] = imx_clk_gate("csi_ahb_gate", "ahb", CCM_PCCR1, 21); | ||
173 | clk[brom_ahb_gate] = imx_clk_gate("brom_ahb_gate", "ahb", CCM_PCCR1, 22); | ||
174 | clk[ata_ahb_gate] = imx_clk_gate("ata_ahb_gate", "ahb", CCM_PCCR1, 23); | ||
175 | clk[wdog_ipg_gate] = imx_clk_gate("wdog_ipg_gate", "ipg", CCM_PCCR1, 24); | ||
176 | clk[usb_ipg_gate] = imx_clk_gate("usb_ipg_gate", "ipg", CCM_PCCR1, 25); | ||
177 | clk[uart6_ipg_gate] = imx_clk_gate("uart6_ipg_gate", "ipg", CCM_PCCR1, 26); | ||
178 | clk[uart5_ipg_gate] = imx_clk_gate("uart5_ipg_gate", "ipg", CCM_PCCR1, 27); | ||
179 | clk[uart4_ipg_gate] = imx_clk_gate("uart4_ipg_gate", "ipg", CCM_PCCR1, 28); | ||
180 | clk[uart3_ipg_gate] = imx_clk_gate("uart3_ipg_gate", "ipg", CCM_PCCR1, 29); | ||
181 | clk[uart2_ipg_gate] = imx_clk_gate("uart2_ipg_gate", "ipg", CCM_PCCR1, 30); | ||
182 | clk[uart1_ipg_gate] = imx_clk_gate("uart1_ipg_gate", "ipg", CCM_PCCR1, 31); | ||
183 | |||
184 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
185 | if (IS_ERR(clk[i])) | ||
186 | pr_err("i.MX27 clk %d: register failed with %ld\n", | ||
187 | i, PTR_ERR(clk[i])); | ||
188 | |||
189 | clk_register_clkdev(clk[uart1_ipg_gate], "ipg", "imx21-uart.0"); | ||
190 | clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.0"); | ||
191 | clk_register_clkdev(clk[uart2_ipg_gate], "ipg", "imx21-uart.1"); | ||
192 | clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.1"); | ||
193 | clk_register_clkdev(clk[uart3_ipg_gate], "ipg", "imx21-uart.2"); | ||
194 | clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.2"); | ||
195 | clk_register_clkdev(clk[uart4_ipg_gate], "ipg", "imx21-uart.3"); | ||
196 | clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.3"); | ||
197 | clk_register_clkdev(clk[uart5_ipg_gate], "ipg", "imx21-uart.4"); | ||
198 | clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.4"); | ||
199 | clk_register_clkdev(clk[uart6_ipg_gate], "ipg", "imx21-uart.5"); | ||
200 | clk_register_clkdev(clk[per1_gate], "per", "imx21-uart.5"); | ||
201 | clk_register_clkdev(clk[gpt1_ipg_gate], "ipg", "imx-gpt.0"); | ||
202 | clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.0"); | ||
203 | clk_register_clkdev(clk[gpt2_ipg_gate], "ipg", "imx-gpt.1"); | ||
204 | clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.1"); | ||
205 | clk_register_clkdev(clk[gpt3_ipg_gate], "ipg", "imx-gpt.2"); | ||
206 | clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.2"); | ||
207 | clk_register_clkdev(clk[gpt4_ipg_gate], "ipg", "imx-gpt.3"); | ||
208 | clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.3"); | ||
209 | clk_register_clkdev(clk[gpt5_ipg_gate], "ipg", "imx-gpt.4"); | ||
210 | clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.4"); | ||
211 | clk_register_clkdev(clk[gpt6_ipg_gate], "ipg", "imx-gpt.5"); | ||
212 | clk_register_clkdev(clk[per1_gate], "per", "imx-gpt.5"); | ||
213 | clk_register_clkdev(clk[pwm_ipg_gate], NULL, "mxc_pwm.0"); | ||
214 | clk_register_clkdev(clk[per2_gate], "per", "mxc-mmc.0"); | ||
215 | clk_register_clkdev(clk[sdhc1_ipg_gate], "ipg", "mxc-mmc.0"); | ||
216 | clk_register_clkdev(clk[per2_gate], "per", "mxc-mmc.1"); | ||
217 | clk_register_clkdev(clk[sdhc2_ipg_gate], "ipg", "mxc-mmc.1"); | ||
218 | clk_register_clkdev(clk[per2_gate], "per", "mxc-mmc.2"); | ||
219 | clk_register_clkdev(clk[sdhc2_ipg_gate], "ipg", "mxc-mmc.2"); | ||
220 | clk_register_clkdev(clk[cspi1_ipg_gate], NULL, "imx27-cspi.0"); | ||
221 | clk_register_clkdev(clk[cspi2_ipg_gate], NULL, "imx27-cspi.1"); | ||
222 | clk_register_clkdev(clk[cspi3_ipg_gate], NULL, "imx27-cspi.2"); | ||
223 | clk_register_clkdev(clk[per3_gate], "per", "imx-fb.0"); | ||
224 | clk_register_clkdev(clk[lcdc_ipg_gate], "ipg", "imx-fb.0"); | ||
225 | clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx-fb.0"); | ||
226 | clk_register_clkdev(clk[csi_ahb_gate], NULL, "mx2-camera.0"); | ||
227 | clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); | ||
228 | clk_register_clkdev(clk[usb_ipg_gate], "ipg", "fsl-usb2-udc"); | ||
229 | clk_register_clkdev(clk[usb_ahb_gate], "ahb", "fsl-usb2-udc"); | ||
230 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0"); | ||
231 | clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.0"); | ||
232 | clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.0"); | ||
233 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.1"); | ||
234 | clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.1"); | ||
235 | clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.1"); | ||
236 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); | ||
237 | clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.2"); | ||
238 | clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.2"); | ||
239 | clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0"); | ||
240 | clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1"); | ||
241 | clk_register_clkdev(clk[nfc_baud_gate], NULL, "mxc_nand.0"); | ||
242 | clk_register_clkdev(clk[vpu_baud_gate], "per", "imx-vpu"); | ||
243 | clk_register_clkdev(clk[vpu_ahb_gate], "ahb", "imx-vpu"); | ||
244 | clk_register_clkdev(clk[dma_ahb_gate], "ahb", "imx-dma"); | ||
245 | clk_register_clkdev(clk[dma_ipg_gate], "ipg", "imx-dma"); | ||
246 | clk_register_clkdev(clk[fec_ipg_gate], "ipg", "imx27-fec.0"); | ||
247 | clk_register_clkdev(clk[fec_ahb_gate], "ahb", "imx27-fec.0"); | ||
248 | clk_register_clkdev(clk[wdog_ipg_gate], NULL, "imx2-wdt.0"); | ||
249 | clk_register_clkdev(clk[i2c1_ipg_gate], NULL, "imx-i2c.0"); | ||
250 | clk_register_clkdev(clk[i2c2_ipg_gate], NULL, "imx-i2c.1"); | ||
251 | clk_register_clkdev(clk[owire_ipg_gate], NULL, "mxc_w1.0"); | ||
252 | clk_register_clkdev(clk[kpp_ipg_gate], NULL, "imx-keypad"); | ||
253 | clk_register_clkdev(clk[emma_ahb_gate], "ahb", "imx-emma"); | ||
254 | clk_register_clkdev(clk[emma_ipg_gate], "ipg", "imx-emma"); | ||
255 | clk_register_clkdev(clk[iim_ipg_gate], "iim", NULL); | ||
256 | clk_register_clkdev(clk[gpio_ipg_gate], "gpio", NULL); | ||
257 | clk_register_clkdev(clk[brom_ahb_gate], "brom", NULL); | ||
258 | clk_register_clkdev(clk[ata_ahb_gate], "ata", NULL); | ||
259 | clk_register_clkdev(clk[rtc_ipg_gate], "rtc", NULL); | ||
260 | clk_register_clkdev(clk[scc_ipg_gate], "scc", NULL); | ||
261 | clk_register_clkdev(clk[cpu_div], "cpu", NULL); | ||
262 | clk_register_clkdev(clk[emi_ahb_gate], "emi_ahb" , NULL); | ||
263 | clk_register_clkdev(clk[ssi1_baud_gate], "bitrate" , "imx-ssi.0"); | ||
264 | clk_register_clkdev(clk[ssi2_baud_gate], "bitrate" , "imx-ssi.1"); | ||
265 | |||
266 | mxc_timer_init(NULL, MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), | ||
267 | MX27_INT_GPT1); | ||
268 | |||
269 | clk_prepare_enable(clk[emi_ahb_gate]); | ||
270 | |||
271 | return 0; | ||
272 | } | ||
273 | |||
274 | #ifdef CONFIG_OF | ||
275 | int __init mx27_clocks_init_dt(void) | ||
276 | { | ||
277 | struct device_node *np; | ||
278 | u32 fref = 26000000; /* default */ | ||
279 | |||
280 | for_each_compatible_node(np, NULL, "fixed-clock") { | ||
281 | if (!of_device_is_compatible(np, "fsl,imx-osc26m")) | ||
282 | continue; | ||
283 | |||
284 | if (!of_property_read_u32(np, "clock-frequency", &fref)) | ||
285 | break; | ||
286 | } | ||
287 | |||
288 | return mx27_clocks_init(fref); | ||
289 | } | ||
290 | #endif | ||
diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c new file mode 100644 index 000000000000..a854b9cae5ea --- /dev/null +++ b/arch/arm/mach-imx/clk-imx31.c | |||
@@ -0,0 +1,182 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 Sascha Hauer <kernel@pengutronix.de> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; either version 2 | ||
7 | * of the License, or (at your option) any later version. | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program; if not, write to the Free Software | ||
15 | * Foundation. | ||
16 | */ | ||
17 | |||
18 | #include <linux/module.h> | ||
19 | #include <linux/clk.h> | ||
20 | #include <linux/clkdev.h> | ||
21 | #include <linux/io.h> | ||
22 | #include <linux/err.h> | ||
23 | |||
24 | #include <mach/hardware.h> | ||
25 | #include <mach/mx31.h> | ||
26 | #include <mach/common.h> | ||
27 | |||
28 | #include "clk.h" | ||
29 | #include "crmregs-imx3.h" | ||
30 | |||
31 | static const char *mcu_main_sel[] = { "spll", "mpll", }; | ||
32 | static const char *per_sel[] = { "per_div", "ipg", }; | ||
33 | static const char *csi_sel[] = { "upll", "spll", }; | ||
34 | static const char *fir_sel[] = { "mcu_main", "upll", "spll" }; | ||
35 | |||
36 | enum mx31_clks { | ||
37 | ckih, ckil, mpll, spll, upll, mcu_main, hsp, ahb, nfc, ipg, per_div, | ||
38 | per, csi, fir, csi_div, usb_div_pre, usb_div_post, fir_div_pre, | ||
39 | fir_div_post, sdhc1_gate, sdhc2_gate, gpt_gate, epit1_gate, epit2_gate, | ||
40 | iim_gate, ata_gate, sdma_gate, cspi3_gate, rng_gate, uart1_gate, | ||
41 | uart2_gate, ssi1_gate, i2c1_gate, i2c2_gate, i2c3_gate, hantro_gate, | ||
42 | mstick1_gate, mstick2_gate, csi_gate, rtc_gate, wdog_gate, pwm_gate, | ||
43 | sim_gate, ect_gate, usb_gate, kpp_gate, ipu_gate, uart3_gate, | ||
44 | uart4_gate, uart5_gate, owire_gate, ssi2_gate, cspi1_gate, cspi2_gate, | ||
45 | gacc_gate, emi_gate, rtic_gate, firi_gate, clk_max | ||
46 | }; | ||
47 | |||
48 | static struct clk *clk[clk_max]; | ||
49 | |||
50 | int __init mx31_clocks_init(unsigned long fref) | ||
51 | { | ||
52 | void __iomem *base = MX31_IO_ADDRESS(MX31_CCM_BASE_ADDR); | ||
53 | int i; | ||
54 | |||
55 | clk[ckih] = imx_clk_fixed("ckih", fref); | ||
56 | clk[ckil] = imx_clk_fixed("ckil", 32768); | ||
57 | clk[mpll] = imx_clk_pllv1("mpll", "ckih", base + MXC_CCM_MPCTL); | ||
58 | clk[spll] = imx_clk_pllv1("spll", "ckih", base + MXC_CCM_SRPCTL); | ||
59 | clk[upll] = imx_clk_pllv1("upll", "ckih", base + MXC_CCM_UPCTL); | ||
60 | clk[mcu_main] = imx_clk_mux("mcu_main", base + MXC_CCM_PMCR0, 31, 1, mcu_main_sel, ARRAY_SIZE(mcu_main_sel)); | ||
61 | clk[hsp] = imx_clk_divider("hsp", "mcu_main", base + MXC_CCM_PDR0, 11, 3); | ||
62 | clk[ahb] = imx_clk_divider("ahb", "mcu_main", base + MXC_CCM_PDR0, 3, 3); | ||
63 | clk[nfc] = imx_clk_divider("nfc", "ahb", base + MXC_CCM_PDR0, 8, 3); | ||
64 | clk[ipg] = imx_clk_divider("ipg", "ahb", base + MXC_CCM_PDR0, 6, 2); | ||
65 | clk[per_div] = imx_clk_divider("per_div", "upll", base + MXC_CCM_PDR0, 16, 5); | ||
66 | clk[per] = imx_clk_mux("per", base + MXC_CCM_CCMR, 24, 1, per_sel, ARRAY_SIZE(per_sel)); | ||
67 | clk[csi] = imx_clk_mux("csi_sel", base + MXC_CCM_CCMR, 25, 1, csi_sel, ARRAY_SIZE(csi_sel)); | ||
68 | clk[fir] = imx_clk_mux("fir_sel", base + MXC_CCM_CCMR, 11, 2, fir_sel, ARRAY_SIZE(fir_sel)); | ||
69 | clk[csi_div] = imx_clk_divider("csi_div", "csi_sel", base + MXC_CCM_PDR0, 23, 9); | ||
70 | clk[usb_div_pre] = imx_clk_divider("usb_div_pre", "upll", base + MXC_CCM_PDR1, 30, 2); | ||
71 | clk[usb_div_post] = imx_clk_divider("usb_div_post", "usb_div_pre", base + MXC_CCM_PDR1, 27, 3); | ||
72 | clk[fir_div_pre] = imx_clk_divider("fir_div_pre", "fir_sel", base + MXC_CCM_PDR1, 24, 3); | ||
73 | clk[fir_div_post] = imx_clk_divider("fir_div_post", "fir_div_pre", base + MXC_CCM_PDR1, 23, 6); | ||
74 | clk[sdhc1_gate] = imx_clk_gate2("sdhc1_gate", "per", base + MXC_CCM_CGR0, 0); | ||
75 | clk[sdhc2_gate] = imx_clk_gate2("sdhc2_gate", "per", base + MXC_CCM_CGR0, 2); | ||
76 | clk[gpt_gate] = imx_clk_gate2("gpt_gate", "per", base + MXC_CCM_CGR0, 4); | ||
77 | clk[epit1_gate] = imx_clk_gate2("epit1_gate", "per", base + MXC_CCM_CGR0, 6); | ||
78 | clk[epit2_gate] = imx_clk_gate2("epit2_gate", "per", base + MXC_CCM_CGR0, 8); | ||
79 | clk[iim_gate] = imx_clk_gate2("iim_gate", "ipg", base + MXC_CCM_CGR0, 10); | ||
80 | clk[ata_gate] = imx_clk_gate2("ata_gate", "ipg", base + MXC_CCM_CGR0, 12); | ||
81 | clk[sdma_gate] = imx_clk_gate2("sdma_gate", "ahb", base + MXC_CCM_CGR0, 14); | ||
82 | clk[cspi3_gate] = imx_clk_gate2("cspi3_gate", "ipg", base + MXC_CCM_CGR0, 16); | ||
83 | clk[rng_gate] = imx_clk_gate2("rng_gate", "ipg", base + MXC_CCM_CGR0, 18); | ||
84 | clk[uart1_gate] = imx_clk_gate2("uart1_gate", "per", base + MXC_CCM_CGR0, 20); | ||
85 | clk[uart2_gate] = imx_clk_gate2("uart2_gate", "per", base + MXC_CCM_CGR0, 22); | ||
86 | clk[ssi1_gate] = imx_clk_gate2("ssi1_gate", "spll", base + MXC_CCM_CGR0, 24); | ||
87 | clk[i2c1_gate] = imx_clk_gate2("i2c1_gate", "per", base + MXC_CCM_CGR0, 26); | ||
88 | clk[i2c2_gate] = imx_clk_gate2("i2c2_gate", "per", base + MXC_CCM_CGR0, 28); | ||
89 | clk[i2c3_gate] = imx_clk_gate2("i2c3_gate", "per", base + MXC_CCM_CGR0, 30); | ||
90 | clk[hantro_gate] = imx_clk_gate2("hantro_gate", "per", base + MXC_CCM_CGR1, 0); | ||
91 | clk[mstick1_gate] = imx_clk_gate2("mstick1_gate", "per", base + MXC_CCM_CGR1, 2); | ||
92 | clk[mstick2_gate] = imx_clk_gate2("mstick2_gate", "per", base + MXC_CCM_CGR1, 4); | ||
93 | clk[csi_gate] = imx_clk_gate2("csi_gate", "csi_div", base + MXC_CCM_CGR1, 6); | ||
94 | clk[rtc_gate] = imx_clk_gate2("rtc_gate", "ipg", base + MXC_CCM_CGR1, 8); | ||
95 | clk[wdog_gate] = imx_clk_gate2("wdog_gate", "ipg", base + MXC_CCM_CGR1, 10); | ||
96 | clk[pwm_gate] = imx_clk_gate2("pwm_gate", "per", base + MXC_CCM_CGR1, 12); | ||
97 | clk[sim_gate] = imx_clk_gate2("sim_gate", "per", base + MXC_CCM_CGR1, 14); | ||
98 | clk[ect_gate] = imx_clk_gate2("ect_gate", "per", base + MXC_CCM_CGR1, 16); | ||
99 | clk[usb_gate] = imx_clk_gate2("usb_gate", "ahb", base + MXC_CCM_CGR1, 18); | ||
100 | clk[kpp_gate] = imx_clk_gate2("kpp_gate", "ipg", base + MXC_CCM_CGR1, 20); | ||
101 | clk[ipu_gate] = imx_clk_gate2("ipu_gate", "hsp", base + MXC_CCM_CGR1, 22); | ||
102 | clk[uart3_gate] = imx_clk_gate2("uart3_gate", "per", base + MXC_CCM_CGR1, 24); | ||
103 | clk[uart4_gate] = imx_clk_gate2("uart4_gate", "per", base + MXC_CCM_CGR1, 26); | ||
104 | clk[uart5_gate] = imx_clk_gate2("uart5_gate", "per", base + MXC_CCM_CGR1, 28); | ||
105 | clk[owire_gate] = imx_clk_gate2("owire_gate", "per", base + MXC_CCM_CGR1, 30); | ||
106 | clk[ssi2_gate] = imx_clk_gate2("ssi2_gate", "spll", base + MXC_CCM_CGR2, 0); | ||
107 | clk[cspi1_gate] = imx_clk_gate2("cspi1_gate", "ipg", base + MXC_CCM_CGR2, 2); | ||
108 | clk[cspi2_gate] = imx_clk_gate2("cspi2_gate", "ipg", base + MXC_CCM_CGR2, 4); | ||
109 | clk[gacc_gate] = imx_clk_gate2("gacc_gate", "per", base + MXC_CCM_CGR2, 6); | ||
110 | clk[emi_gate] = imx_clk_gate2("emi_gate", "ahb", base + MXC_CCM_CGR2, 8); | ||
111 | clk[rtic_gate] = imx_clk_gate2("rtic_gate", "ahb", base + MXC_CCM_CGR2, 10); | ||
112 | clk[firi_gate] = imx_clk_gate2("firi_gate", "upll", base+MXC_CCM_CGR2, 12); | ||
113 | |||
114 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
115 | if (IS_ERR(clk[i])) | ||
116 | pr_err("imx31 clk %d: register failed with %ld\n", | ||
117 | i, PTR_ERR(clk[i])); | ||
118 | |||
119 | clk_register_clkdev(clk[gpt_gate], "per", "imx-gpt.0"); | ||
120 | clk_register_clkdev(clk[ipg], "ipg", "imx-gpt.0"); | ||
121 | clk_register_clkdev(clk[cspi1_gate], NULL, "imx31-cspi.0"); | ||
122 | clk_register_clkdev(clk[cspi2_gate], NULL, "imx31-cspi.1"); | ||
123 | clk_register_clkdev(clk[cspi3_gate], NULL, "imx31-cspi.2"); | ||
124 | clk_register_clkdev(clk[pwm_gate], "pwm", NULL); | ||
125 | clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0"); | ||
126 | clk_register_clkdev(clk[rtc_gate], "rtc", NULL); | ||
127 | clk_register_clkdev(clk[epit1_gate], "epit", NULL); | ||
128 | clk_register_clkdev(clk[epit2_gate], "epit", NULL); | ||
129 | clk_register_clkdev(clk[nfc], NULL, "mxc_nand.0"); | ||
130 | clk_register_clkdev(clk[ipu_gate], NULL, "ipu-core"); | ||
131 | clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb"); | ||
132 | clk_register_clkdev(clk[kpp_gate], "kpp", NULL); | ||
133 | clk_register_clkdev(clk[usb_div_post], "per", "mxc-ehci.0"); | ||
134 | clk_register_clkdev(clk[usb_gate], "ahb", "mxc-ehci.0"); | ||
135 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.0"); | ||
136 | clk_register_clkdev(clk[usb_div_post], "per", "mxc-ehci.1"); | ||
137 | clk_register_clkdev(clk[usb_gate], "ahb", "mxc-ehci.1"); | ||
138 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.1"); | ||
139 | clk_register_clkdev(clk[usb_div_post], "per", "mxc-ehci.2"); | ||
140 | clk_register_clkdev(clk[usb_gate], "ahb", "mxc-ehci.2"); | ||
141 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); | ||
142 | clk_register_clkdev(clk[usb_div_post], "per", "fsl-usb2-udc"); | ||
143 | clk_register_clkdev(clk[usb_gate], "ahb", "fsl-usb2-udc"); | ||
144 | clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); | ||
145 | clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0"); | ||
146 | /* i.mx31 has the i.mx21 type uart */ | ||
147 | clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0"); | ||
148 | clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.0"); | ||
149 | clk_register_clkdev(clk[uart2_gate], "per", "imx21-uart.1"); | ||
150 | clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.1"); | ||
151 | clk_register_clkdev(clk[uart3_gate], "per", "imx21-uart.2"); | ||
152 | clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.2"); | ||
153 | clk_register_clkdev(clk[uart4_gate], "per", "imx21-uart.3"); | ||
154 | clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.3"); | ||
155 | clk_register_clkdev(clk[uart5_gate], "per", "imx21-uart.4"); | ||
156 | clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.4"); | ||
157 | clk_register_clkdev(clk[i2c1_gate], NULL, "imx-i2c.0"); | ||
158 | clk_register_clkdev(clk[i2c2_gate], NULL, "imx-i2c.1"); | ||
159 | clk_register_clkdev(clk[i2c3_gate], NULL, "imx-i2c.2"); | ||
160 | clk_register_clkdev(clk[owire_gate], NULL, "mxc_w1.0"); | ||
161 | clk_register_clkdev(clk[sdhc1_gate], NULL, "mxc-mmc.0"); | ||
162 | clk_register_clkdev(clk[sdhc2_gate], NULL, "mxc-mmc.1"); | ||
163 | clk_register_clkdev(clk[ssi1_gate], NULL, "imx-ssi.0"); | ||
164 | clk_register_clkdev(clk[ssi2_gate], NULL, "imx-ssi.1"); | ||
165 | clk_register_clkdev(clk[firi_gate], "firi", NULL); | ||
166 | clk_register_clkdev(clk[ata_gate], NULL, "pata_imx"); | ||
167 | clk_register_clkdev(clk[rtic_gate], "rtic", NULL); | ||
168 | clk_register_clkdev(clk[rng_gate], "rng", NULL); | ||
169 | clk_register_clkdev(clk[sdma_gate], NULL, "imx31-sdma"); | ||
170 | clk_register_clkdev(clk[iim_gate], "iim", NULL); | ||
171 | |||
172 | clk_set_parent(clk[csi], clk[upll]); | ||
173 | clk_prepare_enable(clk[emi_gate]); | ||
174 | clk_prepare_enable(clk[iim_gate]); | ||
175 | mx31_revision(); | ||
176 | clk_disable_unprepare(clk[iim_gate]); | ||
177 | |||
178 | mxc_timer_init(NULL, MX31_IO_ADDRESS(MX31_GPT1_BASE_ADDR), | ||
179 | MX31_INT_GPT); | ||
180 | |||
181 | return 0; | ||
182 | } | ||
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c new file mode 100644 index 000000000000..a9e60bf7dd75 --- /dev/null +++ b/arch/arm/mach-imx/clk-imx35.c | |||
@@ -0,0 +1,278 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | * | ||
8 | */ | ||
9 | #include <linux/mm.h> | ||
10 | #include <linux/delay.h> | ||
11 | #include <linux/clk.h> | ||
12 | #include <linux/io.h> | ||
13 | #include <linux/clkdev.h> | ||
14 | #include <linux/of.h> | ||
15 | #include <linux/err.h> | ||
16 | |||
17 | #include <mach/hardware.h> | ||
18 | #include <mach/common.h> | ||
19 | |||
20 | #include "crmregs-imx3.h" | ||
21 | #include "clk.h" | ||
22 | |||
23 | struct arm_ahb_div { | ||
24 | unsigned char arm, ahb, sel; | ||
25 | }; | ||
26 | |||
27 | static struct arm_ahb_div clk_consumer[] = { | ||
28 | { .arm = 1, .ahb = 4, .sel = 0}, | ||
29 | { .arm = 1, .ahb = 3, .sel = 1}, | ||
30 | { .arm = 2, .ahb = 2, .sel = 0}, | ||
31 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
32 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
33 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
34 | { .arm = 4, .ahb = 1, .sel = 0}, | ||
35 | { .arm = 1, .ahb = 5, .sel = 0}, | ||
36 | { .arm = 1, .ahb = 8, .sel = 0}, | ||
37 | { .arm = 1, .ahb = 6, .sel = 1}, | ||
38 | { .arm = 2, .ahb = 4, .sel = 0}, | ||
39 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
40 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
41 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
42 | { .arm = 4, .ahb = 2, .sel = 0}, | ||
43 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
44 | }; | ||
45 | |||
46 | static char hsp_div_532[] = { 4, 8, 3, 0 }; | ||
47 | static char hsp_div_400[] = { 3, 6, 3, 0 }; | ||
48 | |||
49 | static const char *std_sel[] = {"ppll", "arm"}; | ||
50 | static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"}; | ||
51 | |||
52 | enum mx35_clks { | ||
53 | ckih, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg, | ||
54 | arm_per_div, ahb_per_div, ipg_per, uart_sel, uart_div, esdhc_sel, | ||
55 | esdhc1_div, esdhc2_div, esdhc3_div, spdif_sel, spdif_div_pre, | ||
56 | spdif_div_post, ssi_sel, ssi1_div_pre, ssi1_div_post, ssi2_div_pre, | ||
57 | ssi2_div_post, usb_sel, usb_div, nfc_div, asrc_gate, pata_gate, | ||
58 | audmux_gate, can1_gate, can2_gate, cspi1_gate, cspi2_gate, ect_gate, | ||
59 | edio_gate, emi_gate, epit1_gate, epit2_gate, esai_gate, esdhc1_gate, | ||
60 | esdhc2_gate, esdhc3_gate, fec_gate, gpio1_gate, gpio2_gate, gpio3_gate, | ||
61 | gpt_gate, i2c1_gate, i2c2_gate, i2c3_gate, iomuxc_gate, ipu_gate, | ||
62 | kpp_gate, mlb_gate, mshc_gate, owire_gate, pwm_gate, rngc_gate, | ||
63 | rtc_gate, rtic_gate, scc_gate, sdma_gate, spba_gate, spdif_gate, | ||
64 | ssi1_gate, ssi2_gate, uart1_gate, uart2_gate, uart3_gate, usbotg_gate, | ||
65 | wdog_gate, max_gate, admux_gate, csi_gate, iim_gate, gpu2d_gate, | ||
66 | clk_max | ||
67 | }; | ||
68 | |||
69 | static struct clk *clk[clk_max]; | ||
70 | |||
71 | int __init mx35_clocks_init() | ||
72 | { | ||
73 | void __iomem *base = MX35_IO_ADDRESS(MX35_CCM_BASE_ADDR); | ||
74 | u32 pdr0, consumer_sel, hsp_sel; | ||
75 | struct arm_ahb_div *aad; | ||
76 | unsigned char *hsp_div; | ||
77 | int i; | ||
78 | |||
79 | pdr0 = __raw_readl(base + MXC_CCM_PDR0); | ||
80 | consumer_sel = (pdr0 >> 16) & 0xf; | ||
81 | aad = &clk_consumer[consumer_sel]; | ||
82 | if (!aad->arm) { | ||
83 | pr_err("i.MX35 clk: illegal consumer mux selection 0x%x\n", consumer_sel); | ||
84 | /* | ||
85 | * We are basically stuck. Continue with a default entry and hope we | ||
86 | * get far enough to actually show the above message | ||
87 | */ | ||
88 | aad = &clk_consumer[0]; | ||
89 | } | ||
90 | |||
91 | clk[ckih] = imx_clk_fixed("ckih", 24000000); | ||
92 | clk[mpll] = imx_clk_pllv1("mpll", "ckih", base + MX35_CCM_MPCTL); | ||
93 | clk[ppll] = imx_clk_pllv1("ppll", "ckih", base + MX35_CCM_PPCTL); | ||
94 | |||
95 | clk[mpll] = imx_clk_fixed_factor("mpll_075", "mpll", 3, 4); | ||
96 | |||
97 | if (aad->sel) | ||
98 | clk[arm] = imx_clk_fixed_factor("arm", "mpll_075", 1, aad->arm); | ||
99 | else | ||
100 | clk[arm] = imx_clk_fixed_factor("arm", "mpll", 1, aad->arm); | ||
101 | |||
102 | if (clk_get_rate(clk[arm]) > 400000000) | ||
103 | hsp_div = hsp_div_532; | ||
104 | else | ||
105 | hsp_div = hsp_div_400; | ||
106 | |||
107 | hsp_sel = (pdr0 >> 20) & 0x3; | ||
108 | if (!hsp_div[hsp_sel]) { | ||
109 | pr_err("i.MX35 clk: illegal hsp clk selection 0x%x\n", hsp_sel); | ||
110 | hsp_sel = 0; | ||
111 | } | ||
112 | |||
113 | clk[hsp] = imx_clk_fixed_factor("hsp", "arm", 1, hsp_div[hsp_sel]); | ||
114 | |||
115 | clk[ahb] = imx_clk_fixed_factor("ahb", "arm", 1, aad->ahb); | ||
116 | clk[ipg] = imx_clk_fixed_factor("ipg", "ahb", 1, 2); | ||
117 | |||
118 | clk[arm_per_div] = imx_clk_divider("arm_per_div", "arm", base + MX35_CCM_PDR4, 16, 6); | ||
119 | clk[ahb_per_div] = imx_clk_divider("ahb_per_div", "ahb", base + MXC_CCM_PDR0, 12, 3); | ||
120 | clk[ipg_per] = imx_clk_mux("ipg_per", base + MXC_CCM_PDR0, 26, 1, ipg_per_sel, ARRAY_SIZE(ipg_per_sel)); | ||
121 | |||
122 | clk[uart_sel] = imx_clk_mux("uart_sel", base + MX35_CCM_PDR3, 14, 1, std_sel, ARRAY_SIZE(std_sel)); | ||
123 | clk[uart_div] = imx_clk_divider("uart_div", "uart_sel", base + MX35_CCM_PDR4, 10, 6); | ||
124 | |||
125 | clk[esdhc_sel] = imx_clk_mux("esdhc_sel", base + MX35_CCM_PDR4, 9, 1, std_sel, ARRAY_SIZE(std_sel)); | ||
126 | clk[esdhc1_div] = imx_clk_divider("esdhc1_div", "esdhc_sel", base + MX35_CCM_PDR3, 0, 6); | ||
127 | clk[esdhc2_div] = imx_clk_divider("esdhc2_div", "esdhc_sel", base + MX35_CCM_PDR3, 8, 6); | ||
128 | clk[esdhc3_div] = imx_clk_divider("esdhc3_div", "esdhc_sel", base + MX35_CCM_PDR3, 16, 6); | ||
129 | |||
130 | clk[spdif_sel] = imx_clk_mux("spdif_sel", base + MX35_CCM_PDR3, 22, 1, std_sel, ARRAY_SIZE(std_sel)); | ||
131 | clk[spdif_div_pre] = imx_clk_divider("spdif_div_pre", "spdif_sel", base + MX35_CCM_PDR3, 29, 3); /* divide by 1 not allowed */ | ||
132 | clk[spdif_div_post] = imx_clk_divider("spdif_div_post", "spdif_div_pre", base + MX35_CCM_PDR3, 23, 6); | ||
133 | |||
134 | clk[ssi_sel] = imx_clk_mux("ssi_sel", base + MX35_CCM_PDR2, 6, 1, std_sel, ARRAY_SIZE(std_sel)); | ||
135 | clk[ssi1_div_pre] = imx_clk_divider("ssi1_div_pre", "ssi_sel", base + MX35_CCM_PDR2, 24, 3); | ||
136 | clk[ssi1_div_post] = imx_clk_divider("ssi1_div_post", "ssi1_div_pre", base + MX35_CCM_PDR2, 0, 6); | ||
137 | clk[ssi2_div_pre] = imx_clk_divider("ssi2_div_pre", "ssi_sel", base + MX35_CCM_PDR2, 27, 3); | ||
138 | clk[ssi2_div_post] = imx_clk_divider("ssi2_div_post", "ssi2_div_pre", base + MX35_CCM_PDR2, 8, 6); | ||
139 | |||
140 | clk[usb_sel] = imx_clk_mux("usb_sel", base + MX35_CCM_PDR4, 9, 1, std_sel, ARRAY_SIZE(std_sel)); | ||
141 | clk[usb_div] = imx_clk_divider("usb_div", "usb_sel", base + MX35_CCM_PDR4, 22, 6); | ||
142 | |||
143 | clk[nfc_div] = imx_clk_divider("nfc_div", "ahb", base + MX35_CCM_PDR4, 28, 4); | ||
144 | |||
145 | clk[asrc_gate] = imx_clk_gate2("asrc_gate", "ipg", base + MX35_CCM_CGR0, 0); | ||
146 | clk[pata_gate] = imx_clk_gate2("pata_gate", "ipg", base + MX35_CCM_CGR0, 2); | ||
147 | clk[audmux_gate] = imx_clk_gate2("audmux_gate", "ipg", base + MX35_CCM_CGR0, 4); | ||
148 | clk[can1_gate] = imx_clk_gate2("can1_gate", "ipg", base + MX35_CCM_CGR0, 6); | ||
149 | clk[can2_gate] = imx_clk_gate2("can2_gate", "ipg", base + MX35_CCM_CGR0, 8); | ||
150 | clk[cspi1_gate] = imx_clk_gate2("cspi1_gate", "ipg", base + MX35_CCM_CGR0, 10); | ||
151 | clk[cspi2_gate] = imx_clk_gate2("cspi2_gate", "ipg", base + MX35_CCM_CGR0, 12); | ||
152 | clk[ect_gate] = imx_clk_gate2("ect_gate", "ipg", base + MX35_CCM_CGR0, 14); | ||
153 | clk[edio_gate] = imx_clk_gate2("edio_gate", "ipg", base + MX35_CCM_CGR0, 16); | ||
154 | clk[emi_gate] = imx_clk_gate2("emi_gate", "ipg", base + MX35_CCM_CGR0, 18); | ||
155 | clk[epit1_gate] = imx_clk_gate2("epit1_gate", "ipg", base + MX35_CCM_CGR0, 20); | ||
156 | clk[epit2_gate] = imx_clk_gate2("epit2_gate", "ipg", base + MX35_CCM_CGR0, 22); | ||
157 | clk[esai_gate] = imx_clk_gate2("esai_gate", "ipg", base + MX35_CCM_CGR0, 24); | ||
158 | clk[esdhc1_gate] = imx_clk_gate2("esdhc1_gate", "esdhc1_div", base + MX35_CCM_CGR0, 26); | ||
159 | clk[esdhc2_gate] = imx_clk_gate2("esdhc2_gate", "esdhc2_div", base + MX35_CCM_CGR0, 28); | ||
160 | clk[esdhc3_gate] = imx_clk_gate2("esdhc3_gate", "esdhc3_div", base + MX35_CCM_CGR0, 30); | ||
161 | |||
162 | clk[fec_gate] = imx_clk_gate2("fec_gate", "ipg", base + MX35_CCM_CGR1, 0); | ||
163 | clk[gpio1_gate] = imx_clk_gate2("gpio1_gate", "ipg", base + MX35_CCM_CGR1, 2); | ||
164 | clk[gpio2_gate] = imx_clk_gate2("gpio2_gate", "ipg", base + MX35_CCM_CGR1, 4); | ||
165 | clk[gpio3_gate] = imx_clk_gate2("gpio3_gate", "ipg", base + MX35_CCM_CGR1, 6); | ||
166 | clk[gpt_gate] = imx_clk_gate2("gpt_gate", "ipg", base + MX35_CCM_CGR1, 8); | ||
167 | clk[i2c1_gate] = imx_clk_gate2("i2c1_gate", "ipg_per", base + MX35_CCM_CGR1, 10); | ||
168 | clk[i2c2_gate] = imx_clk_gate2("i2c2_gate", "ipg_per", base + MX35_CCM_CGR1, 12); | ||
169 | clk[i2c3_gate] = imx_clk_gate2("i2c3_gate", "ipg_per", base + MX35_CCM_CGR1, 14); | ||
170 | clk[iomuxc_gate] = imx_clk_gate2("iomuxc_gate", "ipg", base + MX35_CCM_CGR1, 16); | ||
171 | clk[ipu_gate] = imx_clk_gate2("ipu_gate", "hsp", base + MX35_CCM_CGR1, 18); | ||
172 | clk[kpp_gate] = imx_clk_gate2("kpp_gate", "ipg", base + MX35_CCM_CGR1, 20); | ||
173 | clk[mlb_gate] = imx_clk_gate2("mlb_gate", "ahb", base + MX35_CCM_CGR1, 22); | ||
174 | clk[mshc_gate] = imx_clk_gate2("mshc_gate", "dummy", base + MX35_CCM_CGR1, 24); | ||
175 | clk[owire_gate] = imx_clk_gate2("owire_gate", "ipg_per", base + MX35_CCM_CGR1, 26); | ||
176 | clk[pwm_gate] = imx_clk_gate2("pwm_gate", "ipg_per", base + MX35_CCM_CGR1, 28); | ||
177 | clk[rngc_gate] = imx_clk_gate2("rngc_gate", "ipg", base + MX35_CCM_CGR1, 30); | ||
178 | |||
179 | clk[rtc_gate] = imx_clk_gate2("rtc_gate", "ipg", base + MX35_CCM_CGR2, 0); | ||
180 | clk[rtic_gate] = imx_clk_gate2("rtic_gate", "ahb", base + MX35_CCM_CGR2, 2); | ||
181 | clk[scc_gate] = imx_clk_gate2("scc_gate", "ipg", base + MX35_CCM_CGR2, 4); | ||
182 | clk[sdma_gate] = imx_clk_gate2("sdma_gate", "ahb", base + MX35_CCM_CGR2, 6); | ||
183 | clk[spba_gate] = imx_clk_gate2("spba_gate", "ipg", base + MX35_CCM_CGR2, 8); | ||
184 | clk[spdif_gate] = imx_clk_gate2("spdif_gate", "spdif_div_post", base + MX35_CCM_CGR2, 10); | ||
185 | clk[ssi1_gate] = imx_clk_gate2("ssi1_gate", "ssi1_div_post", base + MX35_CCM_CGR2, 12); | ||
186 | clk[ssi2_gate] = imx_clk_gate2("ssi2_gate", "ssi2_div_post", base + MX35_CCM_CGR2, 14); | ||
187 | clk[uart1_gate] = imx_clk_gate2("uart1_gate", "uart_div", base + MX35_CCM_CGR2, 16); | ||
188 | clk[uart2_gate] = imx_clk_gate2("uart2_gate", "uart_div", base + MX35_CCM_CGR2, 18); | ||
189 | clk[uart3_gate] = imx_clk_gate2("uart3_gate", "uart_div", base + MX35_CCM_CGR2, 20); | ||
190 | clk[usbotg_gate] = imx_clk_gate2("usbotg_gate", "ahb", base + MX35_CCM_CGR2, 22); | ||
191 | clk[wdog_gate] = imx_clk_gate2("wdog_gate", "ipg", base + MX35_CCM_CGR2, 24); | ||
192 | clk[max_gate] = imx_clk_gate2("max_gate", "dummy", base + MX35_CCM_CGR2, 26); | ||
193 | clk[admux_gate] = imx_clk_gate2("admux_gate", "ipg", base + MX35_CCM_CGR2, 30); | ||
194 | |||
195 | clk[csi_gate] = imx_clk_gate2("csi_gate", "ipg", base + MX35_CCM_CGR3, 0); | ||
196 | clk[iim_gate] = imx_clk_gate2("iim_gate", "ipg", base + MX35_CCM_CGR3, 2); | ||
197 | clk[gpu2d_gate] = imx_clk_gate2("gpu2d_gate", "ahb", base + MX35_CCM_CGR3, 4); | ||
198 | |||
199 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
200 | if (IS_ERR(clk[i])) | ||
201 | pr_err("i.MX35 clk %d: register failed with %ld\n", | ||
202 | i, PTR_ERR(clk[i])); | ||
203 | |||
204 | |||
205 | clk_register_clkdev(clk[pata_gate], NULL, "pata_imx"); | ||
206 | clk_register_clkdev(clk[can1_gate], NULL, "flexcan.0"); | ||
207 | clk_register_clkdev(clk[can2_gate], NULL, "flexcan.1"); | ||
208 | clk_register_clkdev(clk[cspi1_gate], "per", "imx35-cspi.0"); | ||
209 | clk_register_clkdev(clk[cspi1_gate], "ipg", "imx35-cspi.0"); | ||
210 | clk_register_clkdev(clk[cspi2_gate], "per", "imx35-cspi.1"); | ||
211 | clk_register_clkdev(clk[cspi2_gate], "ipg", "imx35-cspi.1"); | ||
212 | clk_register_clkdev(clk[epit1_gate], NULL, "imx-epit.0"); | ||
213 | clk_register_clkdev(clk[epit2_gate], NULL, "imx-epit.1"); | ||
214 | clk_register_clkdev(clk[esdhc1_gate], "per", "sdhci-esdhc-imx35.0"); | ||
215 | clk_register_clkdev(clk[ipg], "ipg", "sdhci-esdhc-imx35.0"); | ||
216 | clk_register_clkdev(clk[ahb], "ahb", "sdhci-esdhc-imx35.0"); | ||
217 | clk_register_clkdev(clk[esdhc2_gate], "per", "sdhci-esdhc-imx35.1"); | ||
218 | clk_register_clkdev(clk[ipg], "ipg", "sdhci-esdhc-imx35.1"); | ||
219 | clk_register_clkdev(clk[ahb], "ahb", "sdhci-esdhc-imx35.1"); | ||
220 | clk_register_clkdev(clk[esdhc3_gate], "per", "sdhci-esdhc-imx35.2"); | ||
221 | clk_register_clkdev(clk[ipg], "ipg", "sdhci-esdhc-imx35.2"); | ||
222 | clk_register_clkdev(clk[ahb], "ahb", "sdhci-esdhc-imx35.2"); | ||
223 | /* i.mx35 has the i.mx27 type fec */ | ||
224 | clk_register_clkdev(clk[fec_gate], NULL, "imx27-fec.0"); | ||
225 | clk_register_clkdev(clk[gpt_gate], "per", "imx-gpt.0"); | ||
226 | clk_register_clkdev(clk[ipg], "ipg", "imx-gpt.0"); | ||
227 | clk_register_clkdev(clk[i2c1_gate], NULL, "imx-i2c.0"); | ||
228 | clk_register_clkdev(clk[i2c2_gate], NULL, "imx-i2c.1"); | ||
229 | clk_register_clkdev(clk[i2c3_gate], NULL, "imx-i2c.2"); | ||
230 | clk_register_clkdev(clk[ipu_gate], NULL, "ipu-core"); | ||
231 | clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb"); | ||
232 | clk_register_clkdev(clk[owire_gate], NULL, "mxc_w1"); | ||
233 | clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma"); | ||
234 | clk_register_clkdev(clk[ipg], "ipg", "imx-ssi.0"); | ||
235 | clk_register_clkdev(clk[ssi1_div_post], "per", "imx-ssi.0"); | ||
236 | clk_register_clkdev(clk[ipg], "ipg", "imx-ssi.1"); | ||
237 | clk_register_clkdev(clk[ssi2_div_post], "per", "imx-ssi.1"); | ||
238 | /* i.mx35 has the i.mx21 type uart */ | ||
239 | clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0"); | ||
240 | clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.0"); | ||
241 | clk_register_clkdev(clk[uart2_gate], "per", "imx21-uart.1"); | ||
242 | clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.1"); | ||
243 | clk_register_clkdev(clk[uart3_gate], "per", "imx21-uart.2"); | ||
244 | clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.2"); | ||
245 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0"); | ||
246 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.0"); | ||
247 | clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.0"); | ||
248 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.1"); | ||
249 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.1"); | ||
250 | clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.1"); | ||
251 | clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); | ||
252 | clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); | ||
253 | clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.2"); | ||
254 | clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); | ||
255 | clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); | ||
256 | clk_register_clkdev(clk[usbotg_gate], "ahb", "fsl-usb2-udc"); | ||
257 | clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0"); | ||
258 | clk_register_clkdev(clk[nfc_div], NULL, "mxc_nand.0"); | ||
259 | |||
260 | clk_prepare_enable(clk[spba_gate]); | ||
261 | clk_prepare_enable(clk[gpio1_gate]); | ||
262 | clk_prepare_enable(clk[gpio2_gate]); | ||
263 | clk_prepare_enable(clk[gpio3_gate]); | ||
264 | clk_prepare_enable(clk[iim_gate]); | ||
265 | clk_prepare_enable(clk[emi_gate]); | ||
266 | |||
267 | imx_print_silicon_rev("i.MX35", mx35_revision()); | ||
268 | |||
269 | #ifdef CONFIG_MXC_USE_EPIT | ||
270 | epit_timer_init(&epit1_clk, | ||
271 | MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1); | ||
272 | #else | ||
273 | mxc_timer_init(NULL, MX35_IO_ADDRESS(MX35_GPT1_BASE_ADDR), | ||
274 | MX35_INT_GPT); | ||
275 | #endif | ||
276 | |||
277 | return 0; | ||
278 | } | ||
diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c new file mode 100644 index 000000000000..b8a382defb23 --- /dev/null +++ b/arch/arm/mach-imx/clk-imx51-imx53.c | |||
@@ -0,0 +1,466 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | * | ||
8 | */ | ||
9 | #include <linux/mm.h> | ||
10 | #include <linux/delay.h> | ||
11 | #include <linux/clk.h> | ||
12 | #include <linux/io.h> | ||
13 | #include <linux/clkdev.h> | ||
14 | #include <linux/of.h> | ||
15 | #include <linux/err.h> | ||
16 | |||
17 | #include <mach/hardware.h> | ||
18 | #include <mach/common.h> | ||
19 | |||
20 | #include "crm-regs-imx5.h" | ||
21 | #include "clk.h" | ||
22 | |||
23 | /* Low-power Audio Playback Mode clock */ | ||
24 | static const char *lp_apm_sel[] = { "osc", }; | ||
25 | |||
26 | /* This is used multiple times */ | ||
27 | static const char *standard_pll_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "lp_apm", }; | ||
28 | static const char *periph_apm_sel[] = { "pll1_sw", "pll3_sw", "lp_apm", }; | ||
29 | static const char *main_bus_sel[] = { "pll2_sw", "periph_apm", }; | ||
30 | static const char *per_lp_apm_sel[] = { "main_bus", "lp_apm", }; | ||
31 | static const char *per_root_sel[] = { "per_podf", "ipg", }; | ||
32 | static const char *esdhc_c_sel[] = { "esdhc_a_podf", "esdhc_b_podf", }; | ||
33 | static const char *esdhc_d_sel[] = { "esdhc_a_podf", "esdhc_b_podf", }; | ||
34 | static const char *emi_slow_sel[] = { "main_bus", "ahb", }; | ||
35 | static const char *usb_phy_sel_str[] = { "osc", "usb_phy_podf", }; | ||
36 | static const char *mx51_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "tve_di", }; | ||
37 | static const char *mx53_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "di_pll4_podf", "dummy", "ldb_di0", }; | ||
38 | static const char *mx53_ldb_di0_sel[] = { "pll3_sw", "pll4_sw", }; | ||
39 | static const char *mx51_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", }; | ||
40 | static const char *mx53_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", "ldb_di1", }; | ||
41 | static const char *mx53_ldb_di1_sel[] = { "pll3_sw", "pll4_sw", }; | ||
42 | static const char *mx51_tve_ext_sel[] = { "osc", "ckih1", }; | ||
43 | static const char *mx53_tve_ext_sel[] = { "pll4_sw", "ckih1", }; | ||
44 | static const char *tve_sel[] = { "tve_pred", "tve_ext_sel", }; | ||
45 | static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", }; | ||
46 | static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", }; | ||
47 | |||
48 | enum imx5_clks { | ||
49 | dummy, ckil, osc, ckih1, ckih2, ahb, ipg, axi_a, axi_b, uart_pred, | ||
50 | uart_root, esdhc_a_pred, esdhc_b_pred, esdhc_c_s, esdhc_d_s, | ||
51 | emi_sel, emi_slow_podf, nfc_podf, ecspi_pred, ecspi_podf, usboh3_pred, | ||
52 | usboh3_podf, usb_phy_pred, usb_phy_podf, cpu_podf, di_pred, tve_di, | ||
53 | tve_s, uart1_ipg_gate, uart1_per_gate, uart2_ipg_gate, | ||
54 | uart2_per_gate, uart3_ipg_gate, uart3_per_gate, i2c1_gate, i2c2_gate, | ||
55 | gpt_ipg_gate, pwm1_ipg_gate, pwm1_hf_gate, pwm2_ipg_gate, pwm2_hf_gate, | ||
56 | gpt_gate, fec_gate, usboh3_per_gate, esdhc1_ipg_gate, esdhc2_ipg_gate, | ||
57 | esdhc3_ipg_gate, esdhc4_ipg_gate, ssi1_ipg_gate, ssi2_ipg_gate, | ||
58 | ssi3_ipg_gate, ecspi1_ipg_gate, ecspi1_per_gate, ecspi2_ipg_gate, | ||
59 | ecspi2_per_gate, cspi_ipg_gate, sdma_gate, emi_slow_gate, ipu_s, | ||
60 | ipu_gate, nfc_gate, ipu_di1_gate, vpu_s, vpu_gate, | ||
61 | vpu_reference_gate, uart4_ipg_gate, uart4_per_gate, uart5_ipg_gate, | ||
62 | uart5_per_gate, tve_gate, tve_pred, esdhc1_per_gate, esdhc2_per_gate, | ||
63 | esdhc3_per_gate, esdhc4_per_gate, usb_phy_gate, hsi2c_gate, | ||
64 | mipi_hsc1_gate, mipi_hsc2_gate, mipi_esc_gate, mipi_hsp_gate, | ||
65 | ldb_di1_div_3_5, ldb_di1_div, ldb_di0_div_3_5, ldb_di0_div, | ||
66 | ldb_di1_gate, can2_serial_gate, can2_ipg_gate, i2c3_gate, lp_apm, | ||
67 | periph_apm, main_bus, ahb_max, aips_tz1, aips_tz2, tmax1, tmax2, | ||
68 | tmax3, spba, uart_sel, esdhc_a_sel, esdhc_b_sel, esdhc_a_podf, | ||
69 | esdhc_b_podf, ecspi_sel, usboh3_sel, usb_phy_sel, iim_gate, | ||
70 | usboh3_gate, emi_fast_gate, ipu_di0_gate,gpc_dvfs, pll1_sw, pll2_sw, | ||
71 | pll3_sw, ipu_di0_sel, ipu_di1_sel, tve_ext_sel, mx51_mipi, pll4_sw, | ||
72 | ldb_di1_sel, di_pll4_podf, ldb_di0_sel, ldb_di0_gate, usb_phy1_gate, | ||
73 | usb_phy2_gate, per_lp_apm, per_pred1, per_pred2, per_podf, per_root, | ||
74 | clk_max | ||
75 | }; | ||
76 | |||
77 | static struct clk *clk[clk_max]; | ||
78 | |||
79 | static void __init mx5_clocks_common_init(unsigned long rate_ckil, | ||
80 | unsigned long rate_osc, unsigned long rate_ckih1, | ||
81 | unsigned long rate_ckih2) | ||
82 | { | ||
83 | int i; | ||
84 | |||
85 | clk[dummy] = imx_clk_fixed("dummy", 0); | ||
86 | clk[ckil] = imx_clk_fixed("ckil", rate_ckil); | ||
87 | clk[osc] = imx_clk_fixed("osc", rate_osc); | ||
88 | clk[ckih1] = imx_clk_fixed("ckih1", rate_ckih1); | ||
89 | clk[ckih2] = imx_clk_fixed("ckih2", rate_ckih2); | ||
90 | |||
91 | clk[lp_apm] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1, | ||
92 | lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); | ||
93 | clk[periph_apm] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, | ||
94 | periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); | ||
95 | clk[main_bus] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, | ||
96 | main_bus_sel, ARRAY_SIZE(main_bus_sel)); | ||
97 | clk[per_lp_apm] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCDR, 1, 1, | ||
98 | per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel)); | ||
99 | clk[per_pred1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2); | ||
100 | clk[per_pred2] = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3); | ||
101 | clk[per_podf] = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3); | ||
102 | clk[per_root] = imx_clk_mux("per_root", MXC_CCM_CBCDR, 1, 0, | ||
103 | per_root_sel, ARRAY_SIZE(per_root_sel)); | ||
104 | clk[ahb] = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3); | ||
105 | clk[ahb_max] = imx_clk_gate2("ahb_max", "ahb", MXC_CCM_CCGR0, 28); | ||
106 | clk[aips_tz1] = imx_clk_gate2("aips_tz1", "ahb", MXC_CCM_CCGR0, 24); | ||
107 | clk[aips_tz2] = imx_clk_gate2("aips_tz2", "ahb", MXC_CCM_CCGR0, 26); | ||
108 | clk[tmax1] = imx_clk_gate2("tmax1", "ahb", MXC_CCM_CCGR1, 0); | ||
109 | clk[tmax2] = imx_clk_gate2("tmax2", "ahb", MXC_CCM_CCGR1, 2); | ||
110 | clk[tmax3] = imx_clk_gate2("tmax3", "ahb", MXC_CCM_CCGR1, 4); | ||
111 | clk[spba] = imx_clk_gate2("spba", "ipg", MXC_CCM_CCGR5, 0); | ||
112 | clk[ipg] = imx_clk_divider("ipg", "ahb", MXC_CCM_CBCDR, 8, 2); | ||
113 | clk[axi_a] = imx_clk_divider("axi_a", "main_bus", MXC_CCM_CBCDR, 16, 3); | ||
114 | clk[axi_b] = imx_clk_divider("axi_b", "main_bus", MXC_CCM_CBCDR, 19, 3); | ||
115 | clk[uart_sel] = imx_clk_mux("uart_sel", MXC_CCM_CSCMR1, 24, 2, | ||
116 | standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); | ||
117 | clk[uart_pred] = imx_clk_divider("uart_pred", "uart_sel", MXC_CCM_CSCDR1, 3, 3); | ||
118 | clk[uart_root] = imx_clk_divider("uart_root", "uart_pred", MXC_CCM_CSCDR1, 0, 3); | ||
119 | |||
120 | clk[esdhc_a_sel] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2, | ||
121 | standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); | ||
122 | clk[esdhc_b_sel] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, | ||
123 | standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); | ||
124 | clk[esdhc_a_pred] = imx_clk_divider("esdhc_a_pred", "esdhc_a_sel", MXC_CCM_CSCDR1, 16, 3); | ||
125 | clk[esdhc_a_podf] = imx_clk_divider("esdhc_a_podf", "esdhc_a_pred", MXC_CCM_CSCDR1, 11, 3); | ||
126 | clk[esdhc_b_pred] = imx_clk_divider("esdhc_b_pred", "esdhc_b_sel", MXC_CCM_CSCDR1, 22, 3); | ||
127 | clk[esdhc_b_podf] = imx_clk_divider("esdhc_b_podf", "esdhc_b_pred", MXC_CCM_CSCDR1, 19, 3); | ||
128 | clk[esdhc_c_s] = imx_clk_mux("esdhc_c_sel", MXC_CCM_CSCMR1, 19, 1, esdhc_c_sel, ARRAY_SIZE(esdhc_c_sel)); | ||
129 | clk[esdhc_d_s] = imx_clk_mux("esdhc_d_sel", MXC_CCM_CSCMR1, 18, 1, esdhc_d_sel, ARRAY_SIZE(esdhc_d_sel)); | ||
130 | |||
131 | clk[emi_sel] = imx_clk_mux("emi_sel", MXC_CCM_CBCDR, 26, 1, | ||
132 | emi_slow_sel, ARRAY_SIZE(emi_slow_sel)); | ||
133 | clk[emi_slow_podf] = imx_clk_divider("emi_slow_podf", "emi_sel", MXC_CCM_CBCDR, 22, 3); | ||
134 | clk[nfc_podf] = imx_clk_divider("nfc_podf", "emi_slow_podf", MXC_CCM_CBCDR, 13, 3); | ||
135 | clk[ecspi_sel] = imx_clk_mux("ecspi_sel", MXC_CCM_CSCMR1, 4, 2, | ||
136 | standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); | ||
137 | clk[ecspi_pred] = imx_clk_divider("ecspi_pred", "ecspi_sel", MXC_CCM_CSCDR2, 25, 3); | ||
138 | clk[ecspi_podf] = imx_clk_divider("ecspi_podf", "ecspi_pred", MXC_CCM_CSCDR2, 19, 6); | ||
139 | clk[usboh3_sel] = imx_clk_mux("usboh3_sel", MXC_CCM_CSCMR1, 22, 2, | ||
140 | standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); | ||
141 | clk[usboh3_pred] = imx_clk_divider("usboh3_pred", "usboh3_sel", MXC_CCM_CSCDR1, 8, 3); | ||
142 | clk[usboh3_podf] = imx_clk_divider("usboh3_podf", "usboh3_pred", MXC_CCM_CSCDR1, 6, 2); | ||
143 | clk[usb_phy_pred] = imx_clk_divider("usb_phy_pred", "pll3_sw", MXC_CCM_CDCDR, 3, 3); | ||
144 | clk[usb_phy_podf] = imx_clk_divider("usb_phy_podf", "usb_phy_pred", MXC_CCM_CDCDR, 0, 3); | ||
145 | clk[usb_phy_sel] = imx_clk_mux("usb_phy_sel", MXC_CCM_CSCMR1, 26, 1, | ||
146 | usb_phy_sel_str, ARRAY_SIZE(usb_phy_sel_str)); | ||
147 | clk[cpu_podf] = imx_clk_divider("cpu_podf", "pll1_sw", MXC_CCM_CACRR, 0, 3); | ||
148 | clk[di_pred] = imx_clk_divider("di_pred", "pll3_sw", MXC_CCM_CDCDR, 6, 3); | ||
149 | clk[tve_di] = imx_clk_fixed("tve_di", 65000000); /* FIXME */ | ||
150 | clk[tve_s] = imx_clk_mux("tve_sel", MXC_CCM_CSCMR1, 7, 1, tve_sel, ARRAY_SIZE(tve_sel)); | ||
151 | clk[iim_gate] = imx_clk_gate2("iim_gate", "ipg", MXC_CCM_CCGR0, 30); | ||
152 | clk[uart1_ipg_gate] = imx_clk_gate2("uart1_ipg_gate", "ipg", MXC_CCM_CCGR1, 6); | ||
153 | clk[uart1_per_gate] = imx_clk_gate2("uart1_per_gate", "uart_root", MXC_CCM_CCGR1, 8); | ||
154 | clk[uart2_ipg_gate] = imx_clk_gate2("uart2_ipg_gate", "ipg", MXC_CCM_CCGR1, 10); | ||
155 | clk[uart2_per_gate] = imx_clk_gate2("uart2_per_gate", "uart_root", MXC_CCM_CCGR1, 12); | ||
156 | clk[uart3_ipg_gate] = imx_clk_gate2("uart3_ipg_gate", "ipg", MXC_CCM_CCGR1, 14); | ||
157 | clk[uart3_per_gate] = imx_clk_gate2("uart3_per_gate", "uart_root", MXC_CCM_CCGR1, 16); | ||
158 | clk[i2c1_gate] = imx_clk_gate2("i2c1_gate", "per_root", MXC_CCM_CCGR1, 18); | ||
159 | clk[i2c2_gate] = imx_clk_gate2("i2c2_gate", "per_root", MXC_CCM_CCGR1, 20); | ||
160 | clk[gpt_ipg_gate] = imx_clk_gate2("gpt_ipg_gate", "ipg", MXC_CCM_CCGR2, 20); | ||
161 | clk[pwm1_ipg_gate] = imx_clk_gate2("pwm1_ipg_gate", "ipg", MXC_CCM_CCGR2, 10); | ||
162 | clk[pwm1_hf_gate] = imx_clk_gate2("pwm1_hf_gate", "ipg", MXC_CCM_CCGR2, 12); | ||
163 | clk[pwm2_ipg_gate] = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14); | ||
164 | clk[pwm2_hf_gate] = imx_clk_gate2("pwm2_hf_gate", "ipg", MXC_CCM_CCGR2, 16); | ||
165 | clk[gpt_gate] = imx_clk_gate2("gpt_gate", "ipg", MXC_CCM_CCGR2, 18); | ||
166 | clk[fec_gate] = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24); | ||
167 | clk[usboh3_gate] = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26); | ||
168 | clk[usboh3_per_gate] = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28); | ||
169 | clk[esdhc1_ipg_gate] = imx_clk_gate2("esdhc1_ipg_gate", "ipg", MXC_CCM_CCGR3, 0); | ||
170 | clk[esdhc2_ipg_gate] = imx_clk_gate2("esdhc2_ipg_gate", "ipg", MXC_CCM_CCGR3, 4); | ||
171 | clk[esdhc3_ipg_gate] = imx_clk_gate2("esdhc3_ipg_gate", "ipg", MXC_CCM_CCGR3, 8); | ||
172 | clk[esdhc4_ipg_gate] = imx_clk_gate2("esdhc4_ipg_gate", "ipg", MXC_CCM_CCGR3, 12); | ||
173 | clk[ssi1_ipg_gate] = imx_clk_gate2("ssi1_ipg_gate", "ipg", MXC_CCM_CCGR3, 16); | ||
174 | clk[ssi2_ipg_gate] = imx_clk_gate2("ssi2_ipg_gate", "ipg", MXC_CCM_CCGR3, 20); | ||
175 | clk[ssi3_ipg_gate] = imx_clk_gate2("ssi3_ipg_gate", "ipg", MXC_CCM_CCGR3, 24); | ||
176 | clk[ecspi1_ipg_gate] = imx_clk_gate2("ecspi1_ipg_gate", "ipg", MXC_CCM_CCGR4, 18); | ||
177 | clk[ecspi1_per_gate] = imx_clk_gate2("ecspi1_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 20); | ||
178 | clk[ecspi2_ipg_gate] = imx_clk_gate2("ecspi2_ipg_gate", "ipg", MXC_CCM_CCGR4, 22); | ||
179 | clk[ecspi2_per_gate] = imx_clk_gate2("ecspi2_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 24); | ||
180 | clk[cspi_ipg_gate] = imx_clk_gate2("cspi_ipg_gate", "ipg", MXC_CCM_CCGR4, 26); | ||
181 | clk[sdma_gate] = imx_clk_gate2("sdma_gate", "ipg", MXC_CCM_CCGR4, 30); | ||
182 | clk[emi_fast_gate] = imx_clk_gate2("emi_fast_gate", "dummy", MXC_CCM_CCGR5, 14); | ||
183 | clk[emi_slow_gate] = imx_clk_gate2("emi_slow_gate", "emi_slow_podf", MXC_CCM_CCGR5, 16); | ||
184 | clk[ipu_s] = imx_clk_mux("ipu_sel", MXC_CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE(ipu_sel)); | ||
185 | clk[ipu_gate] = imx_clk_gate2("ipu_gate", "ipu_sel", MXC_CCM_CCGR5, 10); | ||
186 | clk[nfc_gate] = imx_clk_gate2("nfc_gate", "nfc_podf", MXC_CCM_CCGR5, 20); | ||
187 | clk[ipu_di0_gate] = imx_clk_gate2("ipu_di0_gate", "ipu_di0_sel", MXC_CCM_CCGR6, 10); | ||
188 | clk[ipu_di1_gate] = imx_clk_gate2("ipu_di1_gate", "ipu_di1_sel", MXC_CCM_CCGR6, 12); | ||
189 | clk[vpu_s] = imx_clk_mux("vpu_sel", MXC_CCM_CBCMR, 14, 2, vpu_sel, ARRAY_SIZE(vpu_sel)); | ||
190 | clk[vpu_gate] = imx_clk_gate2("vpu_gate", "vpu_sel", MXC_CCM_CCGR5, 6); | ||
191 | clk[vpu_reference_gate] = imx_clk_gate2("vpu_reference_gate", "osc", MXC_CCM_CCGR5, 8); | ||
192 | clk[uart4_ipg_gate] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8); | ||
193 | clk[uart4_per_gate] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10); | ||
194 | clk[uart5_ipg_gate] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12); | ||
195 | clk[uart5_per_gate] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14); | ||
196 | clk[gpc_dvfs] = imx_clk_gate2("gpc_dvfs", "dummy", MXC_CCM_CCGR5, 24); | ||
197 | |||
198 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
199 | if (IS_ERR(clk[i])) | ||
200 | pr_err("i.MX5 clk %d: register failed with %ld\n", | ||
201 | i, PTR_ERR(clk[i])); | ||
202 | |||
203 | clk_register_clkdev(clk[gpt_gate], "per", "imx-gpt.0"); | ||
204 | clk_register_clkdev(clk[gpt_ipg_gate], "ipg", "imx-gpt.0"); | ||
205 | clk_register_clkdev(clk[uart1_per_gate], "per", "imx21-uart.0"); | ||
206 | clk_register_clkdev(clk[uart1_ipg_gate], "ipg", "imx21-uart.0"); | ||
207 | clk_register_clkdev(clk[uart2_per_gate], "per", "imx21-uart.1"); | ||
208 | clk_register_clkdev(clk[uart2_ipg_gate], "ipg", "imx21-uart.1"); | ||
209 | clk_register_clkdev(clk[uart3_per_gate], "per", "imx21-uart.2"); | ||
210 | clk_register_clkdev(clk[uart3_ipg_gate], "ipg", "imx21-uart.2"); | ||
211 | clk_register_clkdev(clk[uart4_per_gate], "per", "imx21-uart.3"); | ||
212 | clk_register_clkdev(clk[uart4_ipg_gate], "ipg", "imx21-uart.3"); | ||
213 | clk_register_clkdev(clk[uart5_per_gate], "per", "imx21-uart.4"); | ||
214 | clk_register_clkdev(clk[uart5_ipg_gate], "ipg", "imx21-uart.4"); | ||
215 | clk_register_clkdev(clk[ecspi1_per_gate], "per", "imx51-ecspi.0"); | ||
216 | clk_register_clkdev(clk[ecspi1_ipg_gate], "ipg", "imx51-ecspi.0"); | ||
217 | clk_register_clkdev(clk[ecspi2_per_gate], "per", "imx51-ecspi.1"); | ||
218 | clk_register_clkdev(clk[ecspi2_ipg_gate], "ipg", "imx51-ecspi.1"); | ||
219 | clk_register_clkdev(clk[cspi_ipg_gate], NULL, "imx51-cspi.0"); | ||
220 | clk_register_clkdev(clk[pwm1_ipg_gate], "pwm", "mxc_pwm.0"); | ||
221 | clk_register_clkdev(clk[pwm2_ipg_gate], "pwm", "mxc_pwm.1"); | ||
222 | clk_register_clkdev(clk[i2c1_gate], NULL, "imx-i2c.0"); | ||
223 | clk_register_clkdev(clk[i2c2_gate], NULL, "imx-i2c.1"); | ||
224 | clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.0"); | ||
225 | clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.0"); | ||
226 | clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.0"); | ||
227 | clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.1"); | ||
228 | clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.1"); | ||
229 | clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.1"); | ||
230 | clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.2"); | ||
231 | clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.2"); | ||
232 | clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.2"); | ||
233 | clk_register_clkdev(clk[usboh3_per_gate], "per", "fsl-usb2-udc"); | ||
234 | clk_register_clkdev(clk[usboh3_gate], "ipg", "fsl-usb2-udc"); | ||
235 | clk_register_clkdev(clk[usboh3_gate], "ahb", "fsl-usb2-udc"); | ||
236 | clk_register_clkdev(clk[nfc_gate], NULL, "mxc_nand"); | ||
237 | clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0"); | ||
238 | clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1"); | ||
239 | clk_register_clkdev(clk[ssi3_ipg_gate], NULL, "imx-ssi.2"); | ||
240 | clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma"); | ||
241 | clk_register_clkdev(clk[cpu_podf], "cpu", NULL); | ||
242 | clk_register_clkdev(clk[iim_gate], "iim", NULL); | ||
243 | clk_register_clkdev(clk[dummy], NULL, "imx2-wdt.0"); | ||
244 | clk_register_clkdev(clk[dummy], NULL, "imx2-wdt.1"); | ||
245 | clk_register_clkdev(clk[dummy], NULL, "imx-keypad"); | ||
246 | clk_register_clkdev(clk[tve_gate], NULL, "imx-tve.0"); | ||
247 | clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx-tve.0"); | ||
248 | |||
249 | /* Set SDHC parents to be PLL2 */ | ||
250 | clk_set_parent(clk[esdhc_a_sel], clk[pll2_sw]); | ||
251 | clk_set_parent(clk[esdhc_b_sel], clk[pll2_sw]); | ||
252 | |||
253 | /* move usb phy clk to 24MHz */ | ||
254 | clk_set_parent(clk[usb_phy_sel], clk[osc]); | ||
255 | |||
256 | clk_prepare_enable(clk[gpc_dvfs]); | ||
257 | clk_prepare_enable(clk[ahb_max]); /* esdhc3 */ | ||
258 | clk_prepare_enable(clk[aips_tz1]); | ||
259 | clk_prepare_enable(clk[aips_tz2]); /* fec */ | ||
260 | clk_prepare_enable(clk[spba]); | ||
261 | clk_prepare_enable(clk[emi_fast_gate]); /* fec */ | ||
262 | clk_prepare_enable(clk[tmax1]); | ||
263 | clk_prepare_enable(clk[tmax2]); /* esdhc2, fec */ | ||
264 | clk_prepare_enable(clk[tmax3]); /* esdhc1, esdhc4 */ | ||
265 | } | ||
266 | |||
267 | int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc, | ||
268 | unsigned long rate_ckih1, unsigned long rate_ckih2) | ||
269 | { | ||
270 | int i; | ||
271 | |||
272 | clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX51_DPLL1_BASE); | ||
273 | clk[pll2_sw] = imx_clk_pllv2("pll2_sw", "osc", MX51_DPLL2_BASE); | ||
274 | clk[pll3_sw] = imx_clk_pllv2("pll3_sw", "osc", MX51_DPLL3_BASE); | ||
275 | clk[ipu_di0_sel] = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, | ||
276 | mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel)); | ||
277 | clk[ipu_di1_sel] = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3, | ||
278 | mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel)); | ||
279 | clk[tve_ext_sel] = imx_clk_mux("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1, | ||
280 | mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel)); | ||
281 | clk[tve_gate] = imx_clk_gate2("tve_gate", "tve_sel", MXC_CCM_CCGR2, 30); | ||
282 | clk[tve_pred] = imx_clk_divider("tve_pred", "pll3_sw", MXC_CCM_CDCDR, 28, 3); | ||
283 | clk[esdhc1_per_gate] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); | ||
284 | clk[esdhc2_per_gate] = imx_clk_gate2("esdhc2_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 6); | ||
285 | clk[esdhc3_per_gate] = imx_clk_gate2("esdhc3_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 10); | ||
286 | clk[esdhc4_per_gate] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14); | ||
287 | clk[usb_phy_gate] = imx_clk_gate2("usb_phy_gate", "usb_phy_sel", MXC_CCM_CCGR2, 0); | ||
288 | clk[hsi2c_gate] = imx_clk_gate2("hsi2c_gate", "ipg", MXC_CCM_CCGR1, 22); | ||
289 | clk[mipi_hsc1_gate] = imx_clk_gate2("mipi_hsc1_gate", "ipg", MXC_CCM_CCGR4, 6); | ||
290 | clk[mipi_hsc2_gate] = imx_clk_gate2("mipi_hsc2_gate", "ipg", MXC_CCM_CCGR4, 8); | ||
291 | clk[mipi_esc_gate] = imx_clk_gate2("mipi_esc_gate", "ipg", MXC_CCM_CCGR4, 10); | ||
292 | clk[mipi_hsp_gate] = imx_clk_gate2("mipi_hsp_gate", "ipg", MXC_CCM_CCGR4, 12); | ||
293 | |||
294 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
295 | if (IS_ERR(clk[i])) | ||
296 | pr_err("i.MX51 clk %d: register failed with %ld\n", | ||
297 | i, PTR_ERR(clk[i])); | ||
298 | |||
299 | mx5_clocks_common_init(rate_ckil, rate_osc, rate_ckih1, rate_ckih2); | ||
300 | |||
301 | clk_register_clkdev(clk[hsi2c_gate], NULL, "imx-i2c.2"); | ||
302 | clk_register_clkdev(clk[mx51_mipi], "mipi_hsp", NULL); | ||
303 | clk_register_clkdev(clk[vpu_gate], NULL, "imx51-vpu.0"); | ||
304 | clk_register_clkdev(clk[fec_gate], NULL, "imx27-fec.0"); | ||
305 | clk_register_clkdev(clk[gpc_dvfs], "gpc_dvfs", NULL); | ||
306 | clk_register_clkdev(clk[ipu_gate], "bus", "imx51-ipu"); | ||
307 | clk_register_clkdev(clk[ipu_di0_gate], "di0", "imx51-ipu"); | ||
308 | clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx51-ipu"); | ||
309 | clk_register_clkdev(clk[ipu_gate], "hsp", "imx51-ipu"); | ||
310 | clk_register_clkdev(clk[usb_phy_gate], "phy", "mxc-ehci.0"); | ||
311 | clk_register_clkdev(clk[esdhc1_ipg_gate], "ipg", "sdhci-esdhc-imx51.0"); | ||
312 | clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.0"); | ||
313 | clk_register_clkdev(clk[esdhc1_per_gate], "per", "sdhci-esdhc-imx51.0"); | ||
314 | clk_register_clkdev(clk[esdhc2_ipg_gate], "ipg", "sdhci-esdhc-imx51.1"); | ||
315 | clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.1"); | ||
316 | clk_register_clkdev(clk[esdhc2_per_gate], "per", "sdhci-esdhc-imx51.1"); | ||
317 | clk_register_clkdev(clk[esdhc3_ipg_gate], "ipg", "sdhci-esdhc-imx51.2"); | ||
318 | clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.2"); | ||
319 | clk_register_clkdev(clk[esdhc3_per_gate], "per", "sdhci-esdhc-imx51.2"); | ||
320 | clk_register_clkdev(clk[esdhc4_ipg_gate], "ipg", "sdhci-esdhc-imx51.3"); | ||
321 | clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx51.3"); | ||
322 | clk_register_clkdev(clk[esdhc4_per_gate], "per", "sdhci-esdhc-imx51.3"); | ||
323 | |||
324 | /* set the usboh3 parent to pll2_sw */ | ||
325 | clk_set_parent(clk[usboh3_sel], clk[pll2_sw]); | ||
326 | |||
327 | /* set SDHC root clock to 166.25MHZ*/ | ||
328 | clk_set_rate(clk[esdhc_a_podf], 166250000); | ||
329 | clk_set_rate(clk[esdhc_b_podf], 166250000); | ||
330 | |||
331 | /* System timer */ | ||
332 | mxc_timer_init(NULL, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR), | ||
333 | MX51_INT_GPT); | ||
334 | |||
335 | clk_prepare_enable(clk[iim_gate]); | ||
336 | imx_print_silicon_rev("i.MX51", mx51_revision()); | ||
337 | clk_disable_unprepare(clk[iim_gate]); | ||
338 | |||
339 | return 0; | ||
340 | } | ||
341 | |||
342 | int __init mx53_clocks_init(unsigned long rate_ckil, unsigned long rate_osc, | ||
343 | unsigned long rate_ckih1, unsigned long rate_ckih2) | ||
344 | { | ||
345 | int i; | ||
346 | unsigned long r; | ||
347 | |||
348 | clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE); | ||
349 | clk[pll2_sw] = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE); | ||
350 | clk[pll3_sw] = imx_clk_pllv2("pll3_sw", "osc", MX53_DPLL3_BASE); | ||
351 | clk[pll4_sw] = imx_clk_pllv2("pll4_sw", "osc", MX53_DPLL4_BASE); | ||
352 | |||
353 | clk[ldb_di1_sel] = imx_clk_mux("ldb_di1_sel", MXC_CCM_CSCMR2, 9, 1, | ||
354 | mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel)); | ||
355 | clk[ldb_di1_div_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7); | ||
356 | clk[ldb_di1_div] = imx_clk_divider("ldb_di1_div", "ldb_di1_div_3_5", MXC_CCM_CSCMR2, 11, 1); | ||
357 | clk[di_pll4_podf] = imx_clk_divider("di_pll4_podf", "pll4_sw", MXC_CCM_CDCDR, 16, 3); | ||
358 | clk[ldb_di0_sel] = imx_clk_mux("ldb_di0_sel", MXC_CCM_CSCMR2, 8, 1, | ||
359 | mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel)); | ||
360 | clk[ldb_di0_div_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); | ||
361 | clk[ldb_di0_div] = imx_clk_divider("ldb_di0_div", "ldb_di0_div_3_5", MXC_CCM_CSCMR2, 10, 1); | ||
362 | clk[ldb_di0_gate] = imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CCGR6, 28); | ||
363 | clk[ldb_di1_gate] = imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CCGR6, 30); | ||
364 | clk[ipu_di0_sel] = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, | ||
365 | mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel)); | ||
366 | clk[ipu_di1_sel] = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3, | ||
367 | mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel)); | ||
368 | clk[tve_ext_sel] = imx_clk_mux("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1, | ||
369 | mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel)); | ||
370 | clk[tve_gate] = imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30); | ||
371 | clk[tve_pred] = imx_clk_divider("tve_pred", "tve_ext_sel", MXC_CCM_CDCDR, 28, 3); | ||
372 | clk[esdhc1_per_gate] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); | ||
373 | clk[esdhc2_per_gate] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6); | ||
374 | clk[esdhc3_per_gate] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10); | ||
375 | clk[esdhc4_per_gate] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14); | ||
376 | clk[usb_phy1_gate] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10); | ||
377 | clk[usb_phy2_gate] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12); | ||
378 | clk[can2_serial_gate] = imx_clk_gate2("can2_serial_gate", "ipg", MXC_CCM_CCGR4, 6); | ||
379 | clk[can2_ipg_gate] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 8); | ||
380 | clk[i2c3_gate] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22); | ||
381 | |||
382 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
383 | if (IS_ERR(clk[i])) | ||
384 | pr_err("i.MX53 clk %d: register failed with %ld\n", | ||
385 | i, PTR_ERR(clk[i])); | ||
386 | |||
387 | mx5_clocks_common_init(rate_ckil, rate_osc, rate_ckih1, rate_ckih2); | ||
388 | |||
389 | clk_register_clkdev(clk[vpu_gate], NULL, "imx53-vpu.0"); | ||
390 | clk_register_clkdev(clk[i2c3_gate], NULL, "imx-i2c.2"); | ||
391 | clk_register_clkdev(clk[fec_gate], NULL, "imx25-fec.0"); | ||
392 | clk_register_clkdev(clk[ipu_gate], "bus", "imx53-ipu"); | ||
393 | clk_register_clkdev(clk[ipu_di0_gate], "di0", "imx53-ipu"); | ||
394 | clk_register_clkdev(clk[ipu_di1_gate], "di1", "imx53-ipu"); | ||
395 | clk_register_clkdev(clk[ipu_gate], "hsp", "imx53-ipu"); | ||
396 | clk_register_clkdev(clk[usb_phy1_gate], "usb_phy1", "mxc-ehci.0"); | ||
397 | clk_register_clkdev(clk[esdhc1_ipg_gate], "ipg", "sdhci-esdhc-imx53.0"); | ||
398 | clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.0"); | ||
399 | clk_register_clkdev(clk[esdhc1_per_gate], "per", "sdhci-esdhc-imx53.0"); | ||
400 | clk_register_clkdev(clk[esdhc2_ipg_gate], "ipg", "sdhci-esdhc-imx53.1"); | ||
401 | clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.1"); | ||
402 | clk_register_clkdev(clk[esdhc2_per_gate], "per", "sdhci-esdhc-imx53.1"); | ||
403 | clk_register_clkdev(clk[esdhc3_ipg_gate], "ipg", "sdhci-esdhc-imx53.2"); | ||
404 | clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.2"); | ||
405 | clk_register_clkdev(clk[esdhc3_per_gate], "per", "sdhci-esdhc-imx53.2"); | ||
406 | clk_register_clkdev(clk[esdhc4_ipg_gate], "ipg", "sdhci-esdhc-imx53.3"); | ||
407 | clk_register_clkdev(clk[dummy], "ahb", "sdhci-esdhc-imx53.3"); | ||
408 | clk_register_clkdev(clk[esdhc4_per_gate], "per", "sdhci-esdhc-imx53.3"); | ||
409 | |||
410 | /* set SDHC root clock to 200MHZ*/ | ||
411 | clk_set_rate(clk[esdhc_a_podf], 200000000); | ||
412 | clk_set_rate(clk[esdhc_b_podf], 200000000); | ||
413 | |||
414 | /* System timer */ | ||
415 | mxc_timer_init(NULL, MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR), | ||
416 | MX53_INT_GPT); | ||
417 | |||
418 | clk_prepare_enable(clk[iim_gate]); | ||
419 | imx_print_silicon_rev("i.MX53", mx53_revision()); | ||
420 | clk_disable_unprepare(clk[iim_gate]); | ||
421 | |||
422 | r = clk_round_rate(clk[usboh3_per_gate], 54000000); | ||
423 | clk_set_rate(clk[usboh3_per_gate], r); | ||
424 | |||
425 | return 0; | ||
426 | } | ||
427 | |||
428 | #ifdef CONFIG_OF | ||
429 | static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc, | ||
430 | unsigned long *ckih1, unsigned long *ckih2) | ||
431 | { | ||
432 | struct device_node *np; | ||
433 | |||
434 | /* retrieve the freqency of fixed clocks from device tree */ | ||
435 | for_each_compatible_node(np, NULL, "fixed-clock") { | ||
436 | u32 rate; | ||
437 | if (of_property_read_u32(np, "clock-frequency", &rate)) | ||
438 | continue; | ||
439 | |||
440 | if (of_device_is_compatible(np, "fsl,imx-ckil")) | ||
441 | *ckil = rate; | ||
442 | else if (of_device_is_compatible(np, "fsl,imx-osc")) | ||
443 | *osc = rate; | ||
444 | else if (of_device_is_compatible(np, "fsl,imx-ckih1")) | ||
445 | *ckih1 = rate; | ||
446 | else if (of_device_is_compatible(np, "fsl,imx-ckih2")) | ||
447 | *ckih2 = rate; | ||
448 | } | ||
449 | } | ||
450 | |||
451 | int __init mx51_clocks_init_dt(void) | ||
452 | { | ||
453 | unsigned long ckil, osc, ckih1, ckih2; | ||
454 | |||
455 | clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); | ||
456 | return mx51_clocks_init(ckil, osc, ckih1, ckih2); | ||
457 | } | ||
458 | |||
459 | int __init mx53_clocks_init_dt(void) | ||
460 | { | ||
461 | unsigned long ckil, osc, ckih1, ckih2; | ||
462 | |||
463 | clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); | ||
464 | return mx53_clocks_init(ckil, osc, ckih1, ckih2); | ||
465 | } | ||
466 | #endif | ||
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c new file mode 100644 index 000000000000..f40a35da2e5c --- /dev/null +++ b/arch/arm/mach-imx/clk-imx6q.c | |||
@@ -0,0 +1,439 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2011 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/init.h> | ||
14 | #include <linux/types.h> | ||
15 | #include <linux/clk.h> | ||
16 | #include <linux/clkdev.h> | ||
17 | #include <linux/err.h> | ||
18 | #include <linux/io.h> | ||
19 | #include <linux/of.h> | ||
20 | #include <linux/of_address.h> | ||
21 | #include <linux/of_irq.h> | ||
22 | #include <mach/common.h> | ||
23 | #include "clk.h" | ||
24 | |||
25 | #define CCGR0 0x68 | ||
26 | #define CCGR1 0x6c | ||
27 | #define CCGR2 0x70 | ||
28 | #define CCGR3 0x74 | ||
29 | #define CCGR4 0x78 | ||
30 | #define CCGR5 0x7c | ||
31 | #define CCGR6 0x80 | ||
32 | #define CCGR7 0x84 | ||
33 | |||
34 | #define CLPCR 0x54 | ||
35 | #define BP_CLPCR_LPM 0 | ||
36 | #define BM_CLPCR_LPM (0x3 << 0) | ||
37 | #define BM_CLPCR_BYPASS_PMIC_READY (0x1 << 2) | ||
38 | #define BM_CLPCR_ARM_CLK_DIS_ON_LPM (0x1 << 5) | ||
39 | #define BM_CLPCR_SBYOS (0x1 << 6) | ||
40 | #define BM_CLPCR_DIS_REF_OSC (0x1 << 7) | ||
41 | #define BM_CLPCR_VSTBY (0x1 << 8) | ||
42 | #define BP_CLPCR_STBY_COUNT 9 | ||
43 | #define BM_CLPCR_STBY_COUNT (0x3 << 9) | ||
44 | #define BM_CLPCR_COSC_PWRDOWN (0x1 << 11) | ||
45 | #define BM_CLPCR_WB_PER_AT_LPM (0x1 << 16) | ||
46 | #define BM_CLPCR_WB_CORE_AT_LPM (0x1 << 17) | ||
47 | #define BM_CLPCR_BYP_MMDC_CH0_LPM_HS (0x1 << 19) | ||
48 | #define BM_CLPCR_BYP_MMDC_CH1_LPM_HS (0x1 << 21) | ||
49 | #define BM_CLPCR_MASK_CORE0_WFI (0x1 << 22) | ||
50 | #define BM_CLPCR_MASK_CORE1_WFI (0x1 << 23) | ||
51 | #define BM_CLPCR_MASK_CORE2_WFI (0x1 << 24) | ||
52 | #define BM_CLPCR_MASK_CORE3_WFI (0x1 << 25) | ||
53 | #define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26) | ||
54 | #define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27) | ||
55 | |||
56 | static void __iomem *ccm_base; | ||
57 | |||
58 | void __init imx6q_clock_map_io(void) { } | ||
59 | |||
60 | int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) | ||
61 | { | ||
62 | u32 val = readl_relaxed(ccm_base + CLPCR); | ||
63 | |||
64 | val &= ~BM_CLPCR_LPM; | ||
65 | switch (mode) { | ||
66 | case WAIT_CLOCKED: | ||
67 | break; | ||
68 | case WAIT_UNCLOCKED: | ||
69 | val |= 0x1 << BP_CLPCR_LPM; | ||
70 | break; | ||
71 | case STOP_POWER_ON: | ||
72 | val |= 0x2 << BP_CLPCR_LPM; | ||
73 | break; | ||
74 | case WAIT_UNCLOCKED_POWER_OFF: | ||
75 | val |= 0x1 << BP_CLPCR_LPM; | ||
76 | val &= ~BM_CLPCR_VSTBY; | ||
77 | val &= ~BM_CLPCR_SBYOS; | ||
78 | break; | ||
79 | case STOP_POWER_OFF: | ||
80 | val |= 0x2 << BP_CLPCR_LPM; | ||
81 | val |= 0x3 << BP_CLPCR_STBY_COUNT; | ||
82 | val |= BM_CLPCR_VSTBY; | ||
83 | val |= BM_CLPCR_SBYOS; | ||
84 | break; | ||
85 | default: | ||
86 | return -EINVAL; | ||
87 | } | ||
88 | |||
89 | writel_relaxed(val, ccm_base + CLPCR); | ||
90 | |||
91 | return 0; | ||
92 | } | ||
93 | |||
94 | static const char *step_sels[] = { "osc", "pll2_pfd2_396m", }; | ||
95 | static const char *pll1_sw_sels[] = { "pll1_sys", "step", }; | ||
96 | static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", }; | ||
97 | static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", }; | ||
98 | static const char *periph_sels[] = { "periph_pre", "periph_clk2", }; | ||
99 | static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", }; | ||
100 | static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "pll3_pfd1_540m", }; | ||
101 | static const char *audio_sels[] = { "pll4_audio", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", }; | ||
102 | static const char *gpu_axi_sels[] = { "axi", "ahb", }; | ||
103 | static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", }; | ||
104 | static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", }; | ||
105 | static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", }; | ||
106 | static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", }; | ||
107 | static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", }; | ||
108 | static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", }; | ||
109 | static const char *ipu1_di0_sels[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; | ||
110 | static const char *ipu1_di1_sels[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; | ||
111 | static const char *ipu2_di0_sels[] = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; | ||
112 | static const char *ipu2_di1_sels[] = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; | ||
113 | static const char *hsi_tx_sels[] = { "pll3_120m", "pll2_pfd2_396m", }; | ||
114 | static const char *pcie_axi_sels[] = { "axi", "ahb", }; | ||
115 | static const char *ssi_sels[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio", }; | ||
116 | static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", }; | ||
117 | static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", }; | ||
118 | static const char *emi_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", }; | ||
119 | static const char *vdo_axi_sels[] = { "axi", "ahb", }; | ||
120 | static const char *vpu_axi_sels[] = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", }; | ||
121 | static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video", | ||
122 | "dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0", | ||
123 | "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio", }; | ||
124 | |||
125 | static const char * const clks_init_on[] __initconst = { | ||
126 | "mmdc_ch0_axi", "mmdc_ch1_axi", "usboh3", | ||
127 | }; | ||
128 | |||
129 | enum mx6q_clks { | ||
130 | dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m, | ||
131 | pll3_pfd0_720m, pll3_pfd1_540m, pll3_pfd2_508m, pll3_pfd3_454m, | ||
132 | pll2_198m, pll3_120m, pll3_80m, pll3_60m, twd, step, pll1_sw, | ||
133 | periph_pre, periph2_pre, periph_clk2_sel, periph2_clk2_sel, axi_sel, | ||
134 | esai_sel, asrc_sel, spdif_sel, gpu2d_axi, gpu3d_axi, gpu2d_core_sel, | ||
135 | gpu3d_core_sel, gpu3d_shader_sel, ipu1_sel, ipu2_sel, ldb_di0_sel, | ||
136 | ldb_di1_sel, ipu1_di0_pre_sel, ipu1_di1_pre_sel, ipu2_di0_pre_sel, | ||
137 | ipu2_di1_pre_sel, ipu1_di0_sel, ipu1_di1_sel, ipu2_di0_sel, | ||
138 | ipu2_di1_sel, hsi_tx_sel, pcie_axi_sel, ssi1_sel, ssi2_sel, ssi3_sel, | ||
139 | usdhc1_sel, usdhc2_sel, usdhc3_sel, usdhc4_sel, enfc_sel, emi_sel, | ||
140 | emi_slow_sel, vdo_axi_sel, vpu_axi_sel, cko1_sel, periph, periph2, | ||
141 | periph_clk2, periph2_clk2, ipg, ipg_per, esai_pred, esai_podf, | ||
142 | asrc_pred, asrc_podf, spdif_pred, spdif_podf, can_root, ecspi_root, | ||
143 | gpu2d_core_podf, gpu3d_core_podf, gpu3d_shader, ipu1_podf, ipu2_podf, | ||
144 | ldb_di0_podf, ldb_di1_podf, ipu1_di0_pre, ipu1_di1_pre, ipu2_di0_pre, | ||
145 | ipu2_di1_pre, hsi_tx_podf, ssi1_pred, ssi1_podf, ssi2_pred, ssi2_podf, | ||
146 | ssi3_pred, ssi3_podf, uart_serial_podf, usdhc1_podf, usdhc2_podf, | ||
147 | usdhc3_podf, usdhc4_podf, enfc_pred, enfc_podf, emi_podf, | ||
148 | emi_slow_podf, vpu_axi_podf, cko1_podf, axi, mmdc_ch0_axi_podf, | ||
149 | mmdc_ch1_axi_podf, arm, ahb, apbh_dma, asrc, can1_ipg, can1_serial, | ||
150 | can2_ipg, can2_serial, ecspi1, ecspi2, ecspi3, ecspi4, ecspi5, enet, | ||
151 | esai, gpt_ipg, gpt_ipg_per, gpu2d_core, gpu3d_core, hdmi_iahb, | ||
152 | hdmi_isfr, i2c1, i2c2, i2c3, iim, enfc, ipu1, ipu1_di0, ipu1_di1, ipu2, | ||
153 | ipu2_di0, ldb_di0, ldb_di1, ipu2_di1, hsi_tx, mlb, mmdc_ch0_axi, | ||
154 | mmdc_ch1_axi, ocram, openvg_axi, pcie_axi, pwm1, pwm2, pwm3, pwm4, | ||
155 | gpmi_bch_apb, gpmi_bch, gpmi_io, gpmi_apb, sata, sdma, spba, ssi1, | ||
156 | ssi2, ssi3, uart_ipg, uart_serial, usboh3, usdhc1, usdhc2, usdhc3, | ||
157 | usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg, | ||
158 | pll4_audio, pll5_video, pll6_mlb, pll7_usb_host, pll8_enet, clk_max | ||
159 | }; | ||
160 | |||
161 | static struct clk *clk[clk_max]; | ||
162 | |||
163 | int __init mx6q_clocks_init(void) | ||
164 | { | ||
165 | struct device_node *np; | ||
166 | void __iomem *base; | ||
167 | struct clk *c; | ||
168 | int i, irq; | ||
169 | |||
170 | clk[dummy] = imx_clk_fixed("dummy", 0); | ||
171 | |||
172 | /* retrieve the freqency of fixed clocks from device tree */ | ||
173 | for_each_compatible_node(np, NULL, "fixed-clock") { | ||
174 | u32 rate; | ||
175 | if (of_property_read_u32(np, "clock-frequency", &rate)) | ||
176 | continue; | ||
177 | |||
178 | if (of_device_is_compatible(np, "fsl,imx-ckil")) | ||
179 | clk[ckil] = imx_clk_fixed("ckil", rate); | ||
180 | else if (of_device_is_compatible(np, "fsl,imx-ckih1")) | ||
181 | clk[ckih] = imx_clk_fixed("ckih", rate); | ||
182 | else if (of_device_is_compatible(np, "fsl,imx-osc")) | ||
183 | clk[osc] = imx_clk_fixed("osc", rate); | ||
184 | } | ||
185 | |||
186 | np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop"); | ||
187 | base = of_iomap(np, 0); | ||
188 | WARN_ON(!base); | ||
189 | |||
190 | /* type name parent_name base gate_mask div_mask */ | ||
191 | clk[pll1_sys] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1_sys", "osc", base, 0x2000, 0x7f); | ||
192 | clk[pll2_bus] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2_bus", "osc", base + 0x30, 0x2000, 0x1); | ||
193 | clk[pll3_usb_otg] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3_usb_otg", "osc", base + 0x10, 0x2000, 0x3); | ||
194 | clk[pll4_audio] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4_audio", "osc", base + 0x70, 0x2000, 0x7f); | ||
195 | clk[pll5_video] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5_video", "osc", base + 0xa0, 0x2000, 0x7f); | ||
196 | clk[pll6_mlb] = imx_clk_pllv3(IMX_PLLV3_MLB, "pll6_mlb", "osc", base + 0xd0, 0x2000, 0x0); | ||
197 | clk[pll7_usb_host] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_usb_host","osc", base + 0x20, 0x2000, 0x3); | ||
198 | clk[pll8_enet] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll8_enet", "osc", base + 0xe0, 0x182000, 0x3); | ||
199 | |||
200 | /* name parent_name reg idx */ | ||
201 | clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0); | ||
202 | clk[pll2_pfd1_594m] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1); | ||
203 | clk[pll2_pfd2_396m] = imx_clk_pfd("pll2_pfd2_396m", "pll2_bus", base + 0x100, 2); | ||
204 | clk[pll3_pfd0_720m] = imx_clk_pfd("pll3_pfd0_720m", "pll3_usb_otg", base + 0xf0, 0); | ||
205 | clk[pll3_pfd1_540m] = imx_clk_pfd("pll3_pfd1_540m", "pll3_usb_otg", base + 0xf0, 1); | ||
206 | clk[pll3_pfd2_508m] = imx_clk_pfd("pll3_pfd2_508m", "pll3_usb_otg", base + 0xf0, 2); | ||
207 | clk[pll3_pfd3_454m] = imx_clk_pfd("pll3_pfd3_454m", "pll3_usb_otg", base + 0xf0, 3); | ||
208 | |||
209 | /* name parent_name mult div */ | ||
210 | clk[pll2_198m] = imx_clk_fixed_factor("pll2_198m", "pll2_pfd2_396m", 1, 2); | ||
211 | clk[pll3_120m] = imx_clk_fixed_factor("pll3_120m", "pll3_usb_otg", 1, 4); | ||
212 | clk[pll3_80m] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6); | ||
213 | clk[pll3_60m] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8); | ||
214 | clk[twd] = imx_clk_fixed_factor("twd", "arm", 1, 2); | ||
215 | |||
216 | np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-ccm"); | ||
217 | base = of_iomap(np, 0); | ||
218 | WARN_ON(!base); | ||
219 | ccm_base = base; | ||
220 | |||
221 | /* name reg shift width parent_names num_parents */ | ||
222 | clk[step] = imx_clk_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels)); | ||
223 | clk[pll1_sw] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels)); | ||
224 | clk[periph_pre] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); | ||
225 | clk[periph2_pre] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); | ||
226 | clk[periph_clk2_sel] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 1, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); | ||
227 | clk[periph2_clk2_sel] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); | ||
228 | clk[axi_sel] = imx_clk_mux("axi_sel", base + 0x14, 6, 2, axi_sels, ARRAY_SIZE(axi_sels)); | ||
229 | clk[esai_sel] = imx_clk_mux("esai_sel", base + 0x20, 19, 2, audio_sels, ARRAY_SIZE(audio_sels)); | ||
230 | clk[asrc_sel] = imx_clk_mux("asrc_sel", base + 0x30, 7, 2, audio_sels, ARRAY_SIZE(audio_sels)); | ||
231 | clk[spdif_sel] = imx_clk_mux("spdif_sel", base + 0x30, 20, 2, audio_sels, ARRAY_SIZE(audio_sels)); | ||
232 | clk[gpu2d_axi] = imx_clk_mux("gpu2d_axi", base + 0x18, 0, 1, gpu_axi_sels, ARRAY_SIZE(gpu_axi_sels)); | ||
233 | clk[gpu3d_axi] = imx_clk_mux("gpu3d_axi", base + 0x18, 1, 1, gpu_axi_sels, ARRAY_SIZE(gpu_axi_sels)); | ||
234 | clk[gpu2d_core_sel] = imx_clk_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels, ARRAY_SIZE(gpu2d_core_sels)); | ||
235 | clk[gpu3d_core_sel] = imx_clk_mux("gpu3d_core_sel", base + 0x18, 4, 2, gpu3d_core_sels, ARRAY_SIZE(gpu3d_core_sels)); | ||
236 | clk[gpu3d_shader_sel] = imx_clk_mux("gpu3d_shader_sel", base + 0x18, 8, 2, gpu3d_shader_sels, ARRAY_SIZE(gpu3d_shader_sels)); | ||
237 | clk[ipu1_sel] = imx_clk_mux("ipu1_sel", base + 0x3c, 9, 2, ipu_sels, ARRAY_SIZE(ipu_sels)); | ||
238 | clk[ipu2_sel] = imx_clk_mux("ipu2_sel", base + 0x3c, 14, 2, ipu_sels, ARRAY_SIZE(ipu_sels)); | ||
239 | clk[ldb_di0_sel] = imx_clk_mux("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels)); | ||
240 | clk[ldb_di1_sel] = imx_clk_mux("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels)); | ||
241 | clk[ipu1_di0_pre_sel] = imx_clk_mux("ipu1_di0_pre_sel", base + 0x34, 6, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels)); | ||
242 | clk[ipu1_di1_pre_sel] = imx_clk_mux("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels)); | ||
243 | clk[ipu2_di0_pre_sel] = imx_clk_mux("ipu2_di0_pre_sel", base + 0x38, 6, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels)); | ||
244 | clk[ipu2_di1_pre_sel] = imx_clk_mux("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels)); | ||
245 | clk[ipu1_di0_sel] = imx_clk_mux("ipu1_di0_sel", base + 0x34, 0, 3, ipu1_di0_sels, ARRAY_SIZE(ipu1_di0_sels)); | ||
246 | clk[ipu1_di1_sel] = imx_clk_mux("ipu1_di1_sel", base + 0x34, 9, 3, ipu1_di1_sels, ARRAY_SIZE(ipu1_di1_sels)); | ||
247 | clk[ipu2_di0_sel] = imx_clk_mux("ipu2_di0_sel", base + 0x38, 0, 3, ipu2_di0_sels, ARRAY_SIZE(ipu2_di0_sels)); | ||
248 | clk[ipu2_di1_sel] = imx_clk_mux("ipu2_di1_sel", base + 0x38, 9, 3, ipu2_di1_sels, ARRAY_SIZE(ipu2_di1_sels)); | ||
249 | clk[hsi_tx_sel] = imx_clk_mux("hsi_tx_sel", base + 0x30, 28, 1, hsi_tx_sels, ARRAY_SIZE(hsi_tx_sels)); | ||
250 | clk[pcie_axi_sel] = imx_clk_mux("pcie_axi_sel", base + 0x18, 10, 1, pcie_axi_sels, ARRAY_SIZE(pcie_axi_sels)); | ||
251 | clk[ssi1_sel] = imx_clk_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); | ||
252 | clk[ssi2_sel] = imx_clk_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); | ||
253 | clk[ssi3_sel] = imx_clk_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); | ||
254 | clk[usdhc1_sel] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); | ||
255 | clk[usdhc2_sel] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); | ||
256 | clk[usdhc3_sel] = imx_clk_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); | ||
257 | clk[usdhc4_sel] = imx_clk_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); | ||
258 | clk[enfc_sel] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels)); | ||
259 | clk[emi_sel] = imx_clk_mux("emi_sel", base + 0x1c, 27, 2, emi_sels, ARRAY_SIZE(emi_sels)); | ||
260 | clk[emi_slow_sel] = imx_clk_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_sels, ARRAY_SIZE(emi_sels)); | ||
261 | clk[vdo_axi_sel] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels)); | ||
262 | clk[vpu_axi_sel] = imx_clk_mux("vpu_axi_sel", base + 0x18, 14, 2, vpu_axi_sels, ARRAY_SIZE(vpu_axi_sels)); | ||
263 | clk[cko1_sel] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels)); | ||
264 | |||
265 | /* name reg shift width busy: reg, shift parent_names num_parents */ | ||
266 | clk[periph] = imx_clk_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels)); | ||
267 | clk[periph2] = imx_clk_busy_mux("periph2", base + 0x14, 26, 1, base + 0x48, 3, periph2_sels, ARRAY_SIZE(periph2_sels)); | ||
268 | |||
269 | /* name parent_name reg shift width */ | ||
270 | clk[periph_clk2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3); | ||
271 | clk[periph2_clk2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3); | ||
272 | clk[ipg] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2); | ||
273 | clk[ipg_per] = imx_clk_divider("ipg_per", "ipg", base + 0x1c, 0, 6); | ||
274 | clk[esai_pred] = imx_clk_divider("esai_pred", "esai_sel", base + 0x28, 9, 3); | ||
275 | clk[esai_podf] = imx_clk_divider("esai_podf", "esai_pred", base + 0x28, 25, 3); | ||
276 | clk[asrc_pred] = imx_clk_divider("asrc_pred", "asrc_sel", base + 0x30, 12, 3); | ||
277 | clk[asrc_podf] = imx_clk_divider("asrc_podf", "asrc_pred", base + 0x30, 9, 3); | ||
278 | clk[spdif_pred] = imx_clk_divider("spdif_pred", "spdif_sel", base + 0x30, 25, 3); | ||
279 | clk[spdif_podf] = imx_clk_divider("spdif_podf", "spdif_pred", base + 0x30, 22, 3); | ||
280 | clk[can_root] = imx_clk_divider("can_root", "pll3_usb_otg", base + 0x20, 2, 6); | ||
281 | clk[ecspi_root] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6); | ||
282 | clk[gpu2d_core_podf] = imx_clk_divider("gpu2d_core_podf", "gpu2d_core_sel", base + 0x18, 23, 3); | ||
283 | clk[gpu3d_core_podf] = imx_clk_divider("gpu3d_core_podf", "gpu3d_core_sel", base + 0x18, 26, 3); | ||
284 | clk[gpu3d_shader] = imx_clk_divider("gpu3d_shader", "gpu3d_shader_sel", base + 0x18, 29, 3); | ||
285 | clk[ipu1_podf] = imx_clk_divider("ipu1_podf", "ipu1_sel", base + 0x3c, 11, 3); | ||
286 | clk[ipu2_podf] = imx_clk_divider("ipu2_podf", "ipu2_sel", base + 0x3c, 16, 3); | ||
287 | clk[ldb_di0_podf] = imx_clk_divider("ldb_di0_podf", "ldb_di0_sel", base + 0x20, 10, 1); | ||
288 | clk[ldb_di1_podf] = imx_clk_divider("ldb_di1_podf", "ldb_di1_sel", base + 0x20, 11, 1); | ||
289 | clk[ipu1_di0_pre] = imx_clk_divider("ipu1_di0_pre", "ipu1_di0_pre_sel", base + 0x34, 3, 3); | ||
290 | clk[ipu1_di1_pre] = imx_clk_divider("ipu1_di1_pre", "ipu1_di1_pre_sel", base + 0x34, 12, 3); | ||
291 | clk[ipu2_di0_pre] = imx_clk_divider("ipu2_di0_pre", "ipu2_di0_pre_sel", base + 0x38, 3, 3); | ||
292 | clk[ipu2_di1_pre] = imx_clk_divider("ipu2_di1_pre", "ipu2_di1_pre_sel", base + 0x38, 12, 3); | ||
293 | clk[hsi_tx_podf] = imx_clk_divider("hsi_tx_podf", "hsi_tx_sel", base + 0x30, 29, 3); | ||
294 | clk[ssi1_pred] = imx_clk_divider("ssi1_pred", "ssi1_sel", base + 0x28, 6, 3); | ||
295 | clk[ssi1_podf] = imx_clk_divider("ssi1_podf", "ssi1_pred", base + 0x28, 0, 6); | ||
296 | clk[ssi2_pred] = imx_clk_divider("ssi2_pred", "ssi2_sel", base + 0x2c, 6, 3); | ||
297 | clk[ssi2_podf] = imx_clk_divider("ssi2_podf", "ssi2_pred", base + 0x2c, 0, 6); | ||
298 | clk[ssi3_pred] = imx_clk_divider("ssi3_pred", "ssi3_sel", base + 0x28, 22, 3); | ||
299 | clk[ssi3_podf] = imx_clk_divider("ssi3_podf", "ssi3_pred", base + 0x28, 16, 6); | ||
300 | clk[uart_serial_podf] = imx_clk_divider("uart_serial_podf", "pll3_80m", base + 0x24, 0, 6); | ||
301 | clk[usdhc1_podf] = imx_clk_divider("usdhc1_podf", "usdhc1_sel", base + 0x24, 11, 3); | ||
302 | clk[usdhc2_podf] = imx_clk_divider("usdhc2_podf", "usdhc2_sel", base + 0x24, 16, 3); | ||
303 | clk[usdhc3_podf] = imx_clk_divider("usdhc3_podf", "usdhc3_sel", base + 0x24, 19, 3); | ||
304 | clk[usdhc4_podf] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3); | ||
305 | clk[enfc_pred] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3); | ||
306 | clk[enfc_podf] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6); | ||
307 | clk[emi_podf] = imx_clk_divider("emi_podf", "emi_sel", base + 0x1c, 20, 3); | ||
308 | clk[emi_slow_podf] = imx_clk_divider("emi_slow_podf", "emi_slow_sel", base + 0x1c, 23, 3); | ||
309 | clk[vpu_axi_podf] = imx_clk_divider("vpu_axi_podf", "vpu_axi_sel", base + 0x24, 25, 3); | ||
310 | clk[cko1_podf] = imx_clk_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3); | ||
311 | |||
312 | /* name parent_name reg shift width busy: reg, shift */ | ||
313 | clk[axi] = imx_clk_busy_divider("axi", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0); | ||
314 | clk[mmdc_ch0_axi_podf] = imx_clk_busy_divider("mmdc_ch0_axi_podf", "periph", base + 0x14, 19, 3, base + 0x48, 4); | ||
315 | clk[mmdc_ch1_axi_podf] = imx_clk_busy_divider("mmdc_ch1_axi_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2); | ||
316 | clk[arm] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16); | ||
317 | clk[ahb] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1); | ||
318 | |||
319 | /* name parent_name reg shift */ | ||
320 | clk[apbh_dma] = imx_clk_gate2("apbh_dma", "ahb", base + 0x68, 4); | ||
321 | clk[asrc] = imx_clk_gate2("asrc", "asrc_podf", base + 0x68, 6); | ||
322 | clk[can1_ipg] = imx_clk_gate2("can1_ipg", "ipg", base + 0x68, 14); | ||
323 | clk[can1_serial] = imx_clk_gate2("can1_serial", "can_root", base + 0x68, 16); | ||
324 | clk[can2_ipg] = imx_clk_gate2("can2_ipg", "ipg", base + 0x68, 18); | ||
325 | clk[can2_serial] = imx_clk_gate2("can2_serial", "can_root", base + 0x68, 20); | ||
326 | clk[ecspi1] = imx_clk_gate2("ecspi1", "ecspi_root", base + 0x6c, 0); | ||
327 | clk[ecspi2] = imx_clk_gate2("ecspi2", "ecspi_root", base + 0x6c, 2); | ||
328 | clk[ecspi3] = imx_clk_gate2("ecspi3", "ecspi_root", base + 0x6c, 4); | ||
329 | clk[ecspi4] = imx_clk_gate2("ecspi4", "ecspi_root", base + 0x6c, 6); | ||
330 | clk[ecspi5] = imx_clk_gate2("ecspi5", "ecspi_root", base + 0x6c, 8); | ||
331 | clk[enet] = imx_clk_gate2("enet", "ipg", base + 0x6c, 10); | ||
332 | clk[esai] = imx_clk_gate2("esai", "esai_podf", base + 0x6c, 16); | ||
333 | clk[gpt_ipg] = imx_clk_gate2("gpt_ipg", "ipg", base + 0x6c, 20); | ||
334 | clk[gpt_ipg_per] = imx_clk_gate2("gpt_ipg_per", "ipg_per", base + 0x6c, 22); | ||
335 | clk[gpu2d_core] = imx_clk_gate2("gpu2d_core", "gpu2d_core_podf", base + 0x6c, 24); | ||
336 | clk[gpu3d_core] = imx_clk_gate2("gpu3d_core", "gpu3d_core_podf", base + 0x6c, 26); | ||
337 | clk[hdmi_iahb] = imx_clk_gate2("hdmi_iahb", "ahb", base + 0x70, 0); | ||
338 | clk[hdmi_isfr] = imx_clk_gate2("hdmi_isfr", "pll3_pfd1_540m", base + 0x70, 4); | ||
339 | clk[i2c1] = imx_clk_gate2("i2c1", "ipg_per", base + 0x70, 6); | ||
340 | clk[i2c2] = imx_clk_gate2("i2c2", "ipg_per", base + 0x70, 8); | ||
341 | clk[i2c3] = imx_clk_gate2("i2c3", "ipg_per", base + 0x70, 10); | ||
342 | clk[iim] = imx_clk_gate2("iim", "ipg", base + 0x70, 12); | ||
343 | clk[enfc] = imx_clk_gate2("enfc", "enfc_podf", base + 0x70, 14); | ||
344 | clk[ipu1] = imx_clk_gate2("ipu1", "ipu1_podf", base + 0x74, 0); | ||
345 | clk[ipu1_di0] = imx_clk_gate2("ipu1_di0", "ipu1_di0_sel", base + 0x74, 2); | ||
346 | clk[ipu1_di1] = imx_clk_gate2("ipu1_di1", "ipu1_di1_sel", base + 0x74, 4); | ||
347 | clk[ipu2] = imx_clk_gate2("ipu2", "ipu2_podf", base + 0x74, 6); | ||
348 | clk[ipu2_di0] = imx_clk_gate2("ipu2_di0", "ipu2_di0_sel", base + 0x74, 8); | ||
349 | clk[ldb_di0] = imx_clk_gate2("ldb_di0", "ldb_di0_podf", base + 0x74, 12); | ||
350 | clk[ldb_di1] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14); | ||
351 | clk[ipu2_di1] = imx_clk_gate2("ipu2_di1", "ipu2_di1_sel", base + 0x74, 10); | ||
352 | clk[hsi_tx] = imx_clk_gate2("hsi_tx", "hsi_tx_podf", base + 0x74, 16); | ||
353 | clk[mlb] = imx_clk_gate2("mlb", "pll6_mlb", base + 0x74, 18); | ||
354 | clk[mmdc_ch0_axi] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20); | ||
355 | clk[mmdc_ch1_axi] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22); | ||
356 | clk[ocram] = imx_clk_gate2("ocram", "ahb", base + 0x74, 28); | ||
357 | clk[openvg_axi] = imx_clk_gate2("openvg_axi", "axi", base + 0x74, 30); | ||
358 | clk[pcie_axi] = imx_clk_gate2("pcie_axi", "pcie_axi_sel", base + 0x78, 0); | ||
359 | clk[pwm1] = imx_clk_gate2("pwm1", "ipg_per", base + 0x78, 16); | ||
360 | clk[pwm2] = imx_clk_gate2("pwm2", "ipg_per", base + 0x78, 18); | ||
361 | clk[pwm3] = imx_clk_gate2("pwm3", "ipg_per", base + 0x78, 20); | ||
362 | clk[pwm4] = imx_clk_gate2("pwm4", "ipg_per", base + 0x78, 22); | ||
363 | clk[gpmi_bch_apb] = imx_clk_gate2("gpmi_bch_apb", "usdhc3", base + 0x78, 24); | ||
364 | clk[gpmi_bch] = imx_clk_gate2("gpmi_bch", "usdhc4", base + 0x78, 26); | ||
365 | clk[gpmi_io] = imx_clk_gate2("gpmi_io", "enfc", base + 0x78, 28); | ||
366 | clk[gpmi_apb] = imx_clk_gate2("gpmi_apb", "usdhc3", base + 0x78, 30); | ||
367 | clk[sata] = imx_clk_gate2("sata", "ipg", base + 0x7c, 4); | ||
368 | clk[sdma] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6); | ||
369 | clk[spba] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12); | ||
370 | clk[ssi1] = imx_clk_gate2("ssi1", "ssi1_podf", base + 0x7c, 18); | ||
371 | clk[ssi2] = imx_clk_gate2("ssi2", "ssi2_podf", base + 0x7c, 20); | ||
372 | clk[ssi3] = imx_clk_gate2("ssi3", "ssi3_podf", base + 0x7c, 22); | ||
373 | clk[uart_ipg] = imx_clk_gate2("uart_ipg", "ipg", base + 0x7c, 24); | ||
374 | clk[uart_serial] = imx_clk_gate2("uart_serial", "uart_serial_podf", base + 0x7c, 26); | ||
375 | clk[usboh3] = imx_clk_gate2("usboh3", "ipg", base + 0x80, 0); | ||
376 | clk[usdhc1] = imx_clk_gate2("usdhc1", "usdhc1_podf", base + 0x80, 2); | ||
377 | clk[usdhc2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4); | ||
378 | clk[usdhc3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6); | ||
379 | clk[usdhc4] = imx_clk_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8); | ||
380 | clk[vdo_axi] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12); | ||
381 | clk[vpu_axi] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14); | ||
382 | clk[cko1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7); | ||
383 | |||
384 | for (i = 0; i < ARRAY_SIZE(clk); i++) | ||
385 | if (IS_ERR(clk[i])) | ||
386 | pr_err("i.MX6q clk %d: register failed with %ld\n", | ||
387 | i, PTR_ERR(clk[i])); | ||
388 | |||
389 | clk_register_clkdev(clk[mmdc_ch0_axi], NULL, "mmdc_ch0_axi"); | ||
390 | clk_register_clkdev(clk[mmdc_ch1_axi], NULL, "mmdc_ch1_axi"); | ||
391 | clk_register_clkdev(clk[gpt_ipg], "ipg", "imx-gpt.0"); | ||
392 | clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0"); | ||
393 | clk_register_clkdev(clk[twd], NULL, "smp_twd"); | ||
394 | clk_register_clkdev(clk[usboh3], NULL, "usboh3"); | ||
395 | clk_register_clkdev(clk[uart_serial], "per", "2020000.uart"); | ||
396 | clk_register_clkdev(clk[uart_ipg], "ipg", "2020000.uart"); | ||
397 | clk_register_clkdev(clk[uart_serial], "per", "21e8000.uart"); | ||
398 | clk_register_clkdev(clk[uart_ipg], "ipg", "21e8000.uart"); | ||
399 | clk_register_clkdev(clk[uart_serial], "per", "21ec000.uart"); | ||
400 | clk_register_clkdev(clk[uart_ipg], "ipg", "21ec000.uart"); | ||
401 | clk_register_clkdev(clk[uart_serial], "per", "21f0000.uart"); | ||
402 | clk_register_clkdev(clk[uart_ipg], "ipg", "21f0000.uart"); | ||
403 | clk_register_clkdev(clk[uart_serial], "per", "21f4000.uart"); | ||
404 | clk_register_clkdev(clk[uart_ipg], "ipg", "21f4000.uart"); | ||
405 | clk_register_clkdev(clk[enet], NULL, "2188000.enet"); | ||
406 | clk_register_clkdev(clk[usdhc1], NULL, "2190000.usdhc"); | ||
407 | clk_register_clkdev(clk[usdhc2], NULL, "2194000.usdhc"); | ||
408 | clk_register_clkdev(clk[usdhc3], NULL, "2198000.usdhc"); | ||
409 | clk_register_clkdev(clk[usdhc4], NULL, "219c000.usdhc"); | ||
410 | clk_register_clkdev(clk[i2c1], NULL, "21a0000.i2c"); | ||
411 | clk_register_clkdev(clk[i2c2], NULL, "21a4000.i2c"); | ||
412 | clk_register_clkdev(clk[i2c3], NULL, "21a8000.i2c"); | ||
413 | clk_register_clkdev(clk[ecspi1], NULL, "2008000.ecspi"); | ||
414 | clk_register_clkdev(clk[ecspi2], NULL, "200c000.ecspi"); | ||
415 | clk_register_clkdev(clk[ecspi3], NULL, "2010000.ecspi"); | ||
416 | clk_register_clkdev(clk[ecspi4], NULL, "2014000.ecspi"); | ||
417 | clk_register_clkdev(clk[ecspi5], NULL, "2018000.ecspi"); | ||
418 | clk_register_clkdev(clk[sdma], NULL, "20ec000.sdma"); | ||
419 | clk_register_clkdev(clk[dummy], NULL, "20bc000.wdog"); | ||
420 | clk_register_clkdev(clk[dummy], NULL, "20c0000.wdog"); | ||
421 | |||
422 | for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) { | ||
423 | c = clk_get_sys(clks_init_on[i], NULL); | ||
424 | if (IS_ERR(c)) { | ||
425 | pr_err("%s: failed to get clk %s", __func__, | ||
426 | clks_init_on[i]); | ||
427 | return PTR_ERR(c); | ||
428 | } | ||
429 | clk_prepare_enable(c); | ||
430 | } | ||
431 | |||
432 | np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"); | ||
433 | base = of_iomap(np, 0); | ||
434 | WARN_ON(!base); | ||
435 | irq = irq_of_parse_and_map(np, 0); | ||
436 | mxc_timer_init(NULL, base, irq); | ||
437 | |||
438 | return 0; | ||
439 | } | ||
diff --git a/arch/arm/mach-imx/clk-pfd.c b/arch/arm/mach-imx/clk-pfd.c new file mode 100644 index 000000000000..e2ed4160f329 --- /dev/null +++ b/arch/arm/mach-imx/clk-pfd.c | |||
@@ -0,0 +1,147 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2012 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/clk.h> | ||
14 | #include <linux/clk-provider.h> | ||
15 | #include <linux/io.h> | ||
16 | #include <linux/slab.h> | ||
17 | #include <linux/err.h> | ||
18 | #include "clk.h" | ||
19 | |||
20 | /** | ||
21 | * struct clk_pfd - IMX PFD clock | ||
22 | * @clk_hw: clock source | ||
23 | * @reg: PFD register address | ||
24 | * @idx: the index of PFD encoded in the register | ||
25 | * | ||
26 | * PFD clock found on i.MX6 series. Each register for PFD has 4 clk_pfd | ||
27 | * data encoded, and member idx is used to specify the one. And each | ||
28 | * register has SET, CLR and TOG registers at offset 0x4 0x8 and 0xc. | ||
29 | */ | ||
30 | struct clk_pfd { | ||
31 | struct clk_hw hw; | ||
32 | void __iomem *reg; | ||
33 | u8 idx; | ||
34 | }; | ||
35 | |||
36 | #define to_clk_pfd(_hw) container_of(_hw, struct clk_pfd, hw) | ||
37 | |||
38 | #define SET 0x4 | ||
39 | #define CLR 0x8 | ||
40 | #define OTG 0xc | ||
41 | |||
42 | static int clk_pfd_enable(struct clk_hw *hw) | ||
43 | { | ||
44 | struct clk_pfd *pfd = to_clk_pfd(hw); | ||
45 | |||
46 | writel_relaxed(1 << ((pfd->idx + 1) * 8 - 1), pfd->reg + CLR); | ||
47 | |||
48 | return 0; | ||
49 | } | ||
50 | |||
51 | static void clk_pfd_disable(struct clk_hw *hw) | ||
52 | { | ||
53 | struct clk_pfd *pfd = to_clk_pfd(hw); | ||
54 | |||
55 | writel_relaxed(1 << ((pfd->idx + 1) * 8 - 1), pfd->reg + SET); | ||
56 | } | ||
57 | |||
58 | static unsigned long clk_pfd_recalc_rate(struct clk_hw *hw, | ||
59 | unsigned long parent_rate) | ||
60 | { | ||
61 | struct clk_pfd *pfd = to_clk_pfd(hw); | ||
62 | u64 tmp = parent_rate; | ||
63 | u8 frac = (readl_relaxed(pfd->reg) >> (pfd->idx * 8)) & 0x3f; | ||
64 | |||
65 | tmp *= 18; | ||
66 | do_div(tmp, frac); | ||
67 | |||
68 | return tmp; | ||
69 | } | ||
70 | |||
71 | static long clk_pfd_round_rate(struct clk_hw *hw, unsigned long rate, | ||
72 | unsigned long *prate) | ||
73 | { | ||
74 | u64 tmp = *prate; | ||
75 | u8 frac; | ||
76 | |||
77 | tmp = tmp * 18 + rate / 2; | ||
78 | do_div(tmp, rate); | ||
79 | frac = tmp; | ||
80 | if (frac < 12) | ||
81 | frac = 12; | ||
82 | else if (frac > 35) | ||
83 | frac = 35; | ||
84 | tmp = *prate; | ||
85 | tmp *= 18; | ||
86 | do_div(tmp, frac); | ||
87 | |||
88 | return tmp; | ||
89 | } | ||
90 | |||
91 | static int clk_pfd_set_rate(struct clk_hw *hw, unsigned long rate, | ||
92 | unsigned long parent_rate) | ||
93 | { | ||
94 | struct clk_pfd *pfd = to_clk_pfd(hw); | ||
95 | u64 tmp = parent_rate; | ||
96 | u8 frac; | ||
97 | |||
98 | tmp = tmp * 18 + rate / 2; | ||
99 | do_div(tmp, rate); | ||
100 | frac = tmp; | ||
101 | if (frac < 12) | ||
102 | frac = 12; | ||
103 | else if (frac > 35) | ||
104 | frac = 35; | ||
105 | |||
106 | writel_relaxed(0x3f << (pfd->idx * 8), pfd->reg + CLR); | ||
107 | writel_relaxed(frac << (pfd->idx * 8), pfd->reg + SET); | ||
108 | |||
109 | return 0; | ||
110 | } | ||
111 | |||
112 | static const struct clk_ops clk_pfd_ops = { | ||
113 | .enable = clk_pfd_enable, | ||
114 | .disable = clk_pfd_disable, | ||
115 | .recalc_rate = clk_pfd_recalc_rate, | ||
116 | .round_rate = clk_pfd_round_rate, | ||
117 | .set_rate = clk_pfd_set_rate, | ||
118 | }; | ||
119 | |||
120 | struct clk *imx_clk_pfd(const char *name, const char *parent_name, | ||
121 | void __iomem *reg, u8 idx) | ||
122 | { | ||
123 | struct clk_pfd *pfd; | ||
124 | struct clk *clk; | ||
125 | struct clk_init_data init; | ||
126 | |||
127 | pfd = kzalloc(sizeof(*pfd), GFP_KERNEL); | ||
128 | if (!pfd) | ||
129 | return ERR_PTR(-ENOMEM); | ||
130 | |||
131 | pfd->reg = reg; | ||
132 | pfd->idx = idx; | ||
133 | |||
134 | init.name = name; | ||
135 | init.ops = &clk_pfd_ops; | ||
136 | init.flags = 0; | ||
137 | init.parent_names = &parent_name; | ||
138 | init.num_parents = 1; | ||
139 | |||
140 | pfd->hw.init = &init; | ||
141 | |||
142 | clk = clk_register(NULL, &pfd->hw); | ||
143 | if (IS_ERR(clk)) | ||
144 | kfree(pfd); | ||
145 | |||
146 | return clk; | ||
147 | } | ||
diff --git a/arch/arm/mach-imx/clk-pllv1.c b/arch/arm/mach-imx/clk-pllv1.c new file mode 100644 index 000000000000..2d856f9ccf59 --- /dev/null +++ b/arch/arm/mach-imx/clk-pllv1.c | |||
@@ -0,0 +1,66 @@ | |||
1 | #include <linux/clk.h> | ||
2 | #include <linux/clk-provider.h> | ||
3 | #include <linux/io.h> | ||
4 | #include <linux/slab.h> | ||
5 | #include <linux/kernel.h> | ||
6 | #include <linux/err.h> | ||
7 | #include <mach/common.h> | ||
8 | #include <mach/hardware.h> | ||
9 | #include <mach/clock.h> | ||
10 | #include "clk.h" | ||
11 | |||
12 | /** | ||
13 | * pll v1 | ||
14 | * | ||
15 | * @clk_hw clock source | ||
16 | * @parent the parent clock name | ||
17 | * @base base address of pll registers | ||
18 | * | ||
19 | * PLL clock version 1, found on i.MX1/21/25/27/31/35 | ||
20 | */ | ||
21 | struct clk_pllv1 { | ||
22 | struct clk_hw hw; | ||
23 | void __iomem *base; | ||
24 | }; | ||
25 | |||
26 | #define to_clk_pllv1(clk) (container_of(clk, struct clk_pllv1, clk)) | ||
27 | |||
28 | static unsigned long clk_pllv1_recalc_rate(struct clk_hw *hw, | ||
29 | unsigned long parent_rate) | ||
30 | { | ||
31 | struct clk_pllv1 *pll = to_clk_pllv1(hw); | ||
32 | |||
33 | return mxc_decode_pll(readl(pll->base), parent_rate); | ||
34 | } | ||
35 | |||
36 | struct clk_ops clk_pllv1_ops = { | ||
37 | .recalc_rate = clk_pllv1_recalc_rate, | ||
38 | }; | ||
39 | |||
40 | struct clk *imx_clk_pllv1(const char *name, const char *parent, | ||
41 | void __iomem *base) | ||
42 | { | ||
43 | struct clk_pllv1 *pll; | ||
44 | struct clk *clk; | ||
45 | struct clk_init_data init; | ||
46 | |||
47 | pll = kmalloc(sizeof(*pll), GFP_KERNEL); | ||
48 | if (!pll) | ||
49 | return ERR_PTR(-ENOMEM); | ||
50 | |||
51 | pll->base = base; | ||
52 | |||
53 | init.name = name; | ||
54 | init.ops = &clk_pllv1_ops; | ||
55 | init.flags = 0; | ||
56 | init.parent_names = &parent; | ||
57 | init.num_parents = 1; | ||
58 | |||
59 | pll->hw.init = &init; | ||
60 | |||
61 | clk = clk_register(NULL, &pll->hw); | ||
62 | if (IS_ERR(clk)) | ||
63 | kfree(pll); | ||
64 | |||
65 | return clk; | ||
66 | } | ||
diff --git a/arch/arm/mach-imx/clk-pllv2.c b/arch/arm/mach-imx/clk-pllv2.c new file mode 100644 index 000000000000..4685919deb63 --- /dev/null +++ b/arch/arm/mach-imx/clk-pllv2.c | |||
@@ -0,0 +1,249 @@ | |||
1 | #include <linux/kernel.h> | ||
2 | #include <linux/clk.h> | ||
3 | #include <linux/io.h> | ||
4 | #include <linux/errno.h> | ||
5 | #include <linux/delay.h> | ||
6 | #include <linux/slab.h> | ||
7 | #include <linux/err.h> | ||
8 | |||
9 | #include <asm/div64.h> | ||
10 | |||
11 | #include "clk.h" | ||
12 | |||
13 | #define to_clk_pllv2(clk) (container_of(clk, struct clk_pllv2, clk)) | ||
14 | |||
15 | /* PLL Register Offsets */ | ||
16 | #define MXC_PLL_DP_CTL 0x00 | ||
17 | #define MXC_PLL_DP_CONFIG 0x04 | ||
18 | #define MXC_PLL_DP_OP 0x08 | ||
19 | #define MXC_PLL_DP_MFD 0x0C | ||
20 | #define MXC_PLL_DP_MFN 0x10 | ||
21 | #define MXC_PLL_DP_MFNMINUS 0x14 | ||
22 | #define MXC_PLL_DP_MFNPLUS 0x18 | ||
23 | #define MXC_PLL_DP_HFS_OP 0x1C | ||
24 | #define MXC_PLL_DP_HFS_MFD 0x20 | ||
25 | #define MXC_PLL_DP_HFS_MFN 0x24 | ||
26 | #define MXC_PLL_DP_MFN_TOGC 0x28 | ||
27 | #define MXC_PLL_DP_DESTAT 0x2c | ||
28 | |||
29 | /* PLL Register Bit definitions */ | ||
30 | #define MXC_PLL_DP_CTL_MUL_CTRL 0x2000 | ||
31 | #define MXC_PLL_DP_CTL_DPDCK0_2_EN 0x1000 | ||
32 | #define MXC_PLL_DP_CTL_DPDCK0_2_OFFSET 12 | ||
33 | #define MXC_PLL_DP_CTL_ADE 0x800 | ||
34 | #define MXC_PLL_DP_CTL_REF_CLK_DIV 0x400 | ||
35 | #define MXC_PLL_DP_CTL_REF_CLK_SEL_MASK (3 << 8) | ||
36 | #define MXC_PLL_DP_CTL_REF_CLK_SEL_OFFSET 8 | ||
37 | #define MXC_PLL_DP_CTL_HFSM 0x80 | ||
38 | #define MXC_PLL_DP_CTL_PRE 0x40 | ||
39 | #define MXC_PLL_DP_CTL_UPEN 0x20 | ||
40 | #define MXC_PLL_DP_CTL_RST 0x10 | ||
41 | #define MXC_PLL_DP_CTL_RCP 0x8 | ||
42 | #define MXC_PLL_DP_CTL_PLM 0x4 | ||
43 | #define MXC_PLL_DP_CTL_BRM0 0x2 | ||
44 | #define MXC_PLL_DP_CTL_LRF 0x1 | ||
45 | |||
46 | #define MXC_PLL_DP_CONFIG_BIST 0x8 | ||
47 | #define MXC_PLL_DP_CONFIG_SJC_CE 0x4 | ||
48 | #define MXC_PLL_DP_CONFIG_AREN 0x2 | ||
49 | #define MXC_PLL_DP_CONFIG_LDREQ 0x1 | ||
50 | |||
51 | #define MXC_PLL_DP_OP_MFI_OFFSET 4 | ||
52 | #define MXC_PLL_DP_OP_MFI_MASK (0xF << 4) | ||
53 | #define MXC_PLL_DP_OP_PDF_OFFSET 0 | ||
54 | #define MXC_PLL_DP_OP_PDF_MASK 0xF | ||
55 | |||
56 | #define MXC_PLL_DP_MFD_OFFSET 0 | ||
57 | #define MXC_PLL_DP_MFD_MASK 0x07FFFFFF | ||
58 | |||
59 | #define MXC_PLL_DP_MFN_OFFSET 0x0 | ||
60 | #define MXC_PLL_DP_MFN_MASK 0x07FFFFFF | ||
61 | |||
62 | #define MXC_PLL_DP_MFN_TOGC_TOG_DIS (1 << 17) | ||
63 | #define MXC_PLL_DP_MFN_TOGC_TOG_EN (1 << 16) | ||
64 | #define MXC_PLL_DP_MFN_TOGC_CNT_OFFSET 0x0 | ||
65 | #define MXC_PLL_DP_MFN_TOGC_CNT_MASK 0xFFFF | ||
66 | |||
67 | #define MXC_PLL_DP_DESTAT_TOG_SEL (1 << 31) | ||
68 | #define MXC_PLL_DP_DESTAT_MFN 0x07FFFFFF | ||
69 | |||
70 | #define MAX_DPLL_WAIT_TRIES 1000 /* 1000 * udelay(1) = 1ms */ | ||
71 | |||
72 | struct clk_pllv2 { | ||
73 | struct clk_hw hw; | ||
74 | void __iomem *base; | ||
75 | }; | ||
76 | |||
77 | static unsigned long clk_pllv2_recalc_rate(struct clk_hw *hw, | ||
78 | unsigned long parent_rate) | ||
79 | { | ||
80 | long mfi, mfn, mfd, pdf, ref_clk, mfn_abs; | ||
81 | unsigned long dp_op, dp_mfd, dp_mfn, dp_ctl, pll_hfsm, dbl; | ||
82 | void __iomem *pllbase; | ||
83 | s64 temp; | ||
84 | struct clk_pllv2 *pll = to_clk_pllv2(hw); | ||
85 | |||
86 | pllbase = pll->base; | ||
87 | |||
88 | dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL); | ||
89 | pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM; | ||
90 | dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN; | ||
91 | |||
92 | if (pll_hfsm == 0) { | ||
93 | dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP); | ||
94 | dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD); | ||
95 | dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN); | ||
96 | } else { | ||
97 | dp_op = __raw_readl(pllbase + MXC_PLL_DP_HFS_OP); | ||
98 | dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFD); | ||
99 | dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFN); | ||
100 | } | ||
101 | pdf = dp_op & MXC_PLL_DP_OP_PDF_MASK; | ||
102 | mfi = (dp_op & MXC_PLL_DP_OP_MFI_MASK) >> MXC_PLL_DP_OP_MFI_OFFSET; | ||
103 | mfi = (mfi <= 5) ? 5 : mfi; | ||
104 | mfd = dp_mfd & MXC_PLL_DP_MFD_MASK; | ||
105 | mfn = mfn_abs = dp_mfn & MXC_PLL_DP_MFN_MASK; | ||
106 | /* Sign extend to 32-bits */ | ||
107 | if (mfn >= 0x04000000) { | ||
108 | mfn |= 0xFC000000; | ||
109 | mfn_abs = -mfn; | ||
110 | } | ||
111 | |||
112 | ref_clk = 2 * parent_rate; | ||
113 | if (dbl != 0) | ||
114 | ref_clk *= 2; | ||
115 | |||
116 | ref_clk /= (pdf + 1); | ||
117 | temp = (u64) ref_clk * mfn_abs; | ||
118 | do_div(temp, mfd + 1); | ||
119 | if (mfn < 0) | ||
120 | temp = -temp; | ||
121 | temp = (ref_clk * mfi) + temp; | ||
122 | |||
123 | return temp; | ||
124 | } | ||
125 | |||
126 | static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate, | ||
127 | unsigned long parent_rate) | ||
128 | { | ||
129 | struct clk_pllv2 *pll = to_clk_pllv2(hw); | ||
130 | u32 reg; | ||
131 | void __iomem *pllbase; | ||
132 | long mfi, pdf, mfn, mfd = 999999; | ||
133 | s64 temp64; | ||
134 | unsigned long quad_parent_rate; | ||
135 | unsigned long pll_hfsm, dp_ctl; | ||
136 | |||
137 | pllbase = pll->base; | ||
138 | |||
139 | quad_parent_rate = 4 * parent_rate; | ||
140 | pdf = mfi = -1; | ||
141 | while (++pdf < 16 && mfi < 5) | ||
142 | mfi = rate * (pdf+1) / quad_parent_rate; | ||
143 | if (mfi > 15) | ||
144 | return -EINVAL; | ||
145 | pdf--; | ||
146 | |||
147 | temp64 = rate * (pdf+1) - quad_parent_rate * mfi; | ||
148 | do_div(temp64, quad_parent_rate/1000000); | ||
149 | mfn = (long)temp64; | ||
150 | |||
151 | dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL); | ||
152 | /* use dpdck0_2 */ | ||
153 | __raw_writel(dp_ctl | 0x1000L, pllbase + MXC_PLL_DP_CTL); | ||
154 | pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM; | ||
155 | if (pll_hfsm == 0) { | ||
156 | reg = mfi << 4 | pdf; | ||
157 | __raw_writel(reg, pllbase + MXC_PLL_DP_OP); | ||
158 | __raw_writel(mfd, pllbase + MXC_PLL_DP_MFD); | ||
159 | __raw_writel(mfn, pllbase + MXC_PLL_DP_MFN); | ||
160 | } else { | ||
161 | reg = mfi << 4 | pdf; | ||
162 | __raw_writel(reg, pllbase + MXC_PLL_DP_HFS_OP); | ||
163 | __raw_writel(mfd, pllbase + MXC_PLL_DP_HFS_MFD); | ||
164 | __raw_writel(mfn, pllbase + MXC_PLL_DP_HFS_MFN); | ||
165 | } | ||
166 | |||
167 | return 0; | ||
168 | } | ||
169 | |||
170 | static long clk_pllv2_round_rate(struct clk_hw *hw, unsigned long rate, | ||
171 | unsigned long *prate) | ||
172 | { | ||
173 | return rate; | ||
174 | } | ||
175 | |||
176 | static int clk_pllv2_prepare(struct clk_hw *hw) | ||
177 | { | ||
178 | struct clk_pllv2 *pll = to_clk_pllv2(hw); | ||
179 | u32 reg; | ||
180 | void __iomem *pllbase; | ||
181 | int i = 0; | ||
182 | |||
183 | pllbase = pll->base; | ||
184 | reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) | MXC_PLL_DP_CTL_UPEN; | ||
185 | __raw_writel(reg, pllbase + MXC_PLL_DP_CTL); | ||
186 | |||
187 | /* Wait for lock */ | ||
188 | do { | ||
189 | reg = __raw_readl(pllbase + MXC_PLL_DP_CTL); | ||
190 | if (reg & MXC_PLL_DP_CTL_LRF) | ||
191 | break; | ||
192 | |||
193 | udelay(1); | ||
194 | } while (++i < MAX_DPLL_WAIT_TRIES); | ||
195 | |||
196 | if (i == MAX_DPLL_WAIT_TRIES) { | ||
197 | pr_err("MX5: pll locking failed\n"); | ||
198 | return -EINVAL; | ||
199 | } | ||
200 | |||
201 | return 0; | ||
202 | } | ||
203 | |||
204 | static void clk_pllv2_unprepare(struct clk_hw *hw) | ||
205 | { | ||
206 | struct clk_pllv2 *pll = to_clk_pllv2(hw); | ||
207 | u32 reg; | ||
208 | void __iomem *pllbase; | ||
209 | |||
210 | pllbase = pll->base; | ||
211 | reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) & ~MXC_PLL_DP_CTL_UPEN; | ||
212 | __raw_writel(reg, pllbase + MXC_PLL_DP_CTL); | ||
213 | } | ||
214 | |||
215 | struct clk_ops clk_pllv2_ops = { | ||
216 | .prepare = clk_pllv2_prepare, | ||
217 | .unprepare = clk_pllv2_unprepare, | ||
218 | .recalc_rate = clk_pllv2_recalc_rate, | ||
219 | .round_rate = clk_pllv2_round_rate, | ||
220 | .set_rate = clk_pllv2_set_rate, | ||
221 | }; | ||
222 | |||
223 | struct clk *imx_clk_pllv2(const char *name, const char *parent, | ||
224 | void __iomem *base) | ||
225 | { | ||
226 | struct clk_pllv2 *pll; | ||
227 | struct clk *clk; | ||
228 | struct clk_init_data init; | ||
229 | |||
230 | pll = kzalloc(sizeof(*pll), GFP_KERNEL); | ||
231 | if (!pll) | ||
232 | return ERR_PTR(-ENOMEM); | ||
233 | |||
234 | pll->base = base; | ||
235 | |||
236 | init.name = name; | ||
237 | init.ops = &clk_pllv2_ops; | ||
238 | init.flags = 0; | ||
239 | init.parent_names = &parent; | ||
240 | init.num_parents = 1; | ||
241 | |||
242 | pll->hw.init = &init; | ||
243 | |||
244 | clk = clk_register(NULL, &pll->hw); | ||
245 | if (IS_ERR(clk)) | ||
246 | kfree(pll); | ||
247 | |||
248 | return clk; | ||
249 | } | ||
diff --git a/arch/arm/mach-imx/clk-pllv3.c b/arch/arm/mach-imx/clk-pllv3.c new file mode 100644 index 000000000000..36aac947bce1 --- /dev/null +++ b/arch/arm/mach-imx/clk-pllv3.c | |||
@@ -0,0 +1,419 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2012 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/clk.h> | ||
14 | #include <linux/clk-provider.h> | ||
15 | #include <linux/io.h> | ||
16 | #include <linux/slab.h> | ||
17 | #include <linux/jiffies.h> | ||
18 | #include <linux/err.h> | ||
19 | #include "clk.h" | ||
20 | |||
21 | #define PLL_NUM_OFFSET 0x10 | ||
22 | #define PLL_DENOM_OFFSET 0x20 | ||
23 | |||
24 | #define BM_PLL_POWER (0x1 << 12) | ||
25 | #define BM_PLL_ENABLE (0x1 << 13) | ||
26 | #define BM_PLL_BYPASS (0x1 << 16) | ||
27 | #define BM_PLL_LOCK (0x1 << 31) | ||
28 | |||
29 | /** | ||
30 | * struct clk_pllv3 - IMX PLL clock version 3 | ||
31 | * @clk_hw: clock source | ||
32 | * @base: base address of PLL registers | ||
33 | * @powerup_set: set POWER bit to power up the PLL | ||
34 | * @gate_mask: mask of gate bits | ||
35 | * @div_mask: mask of divider bits | ||
36 | * | ||
37 | * IMX PLL clock version 3, found on i.MX6 series. Divider for pllv3 | ||
38 | * is actually a multiplier, and always sits at bit 0. | ||
39 | */ | ||
40 | struct clk_pllv3 { | ||
41 | struct clk_hw hw; | ||
42 | void __iomem *base; | ||
43 | bool powerup_set; | ||
44 | u32 gate_mask; | ||
45 | u32 div_mask; | ||
46 | }; | ||
47 | |||
48 | #define to_clk_pllv3(_hw) container_of(_hw, struct clk_pllv3, hw) | ||
49 | |||
50 | static int clk_pllv3_prepare(struct clk_hw *hw) | ||
51 | { | ||
52 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
53 | unsigned long timeout = jiffies + msecs_to_jiffies(10); | ||
54 | u32 val; | ||
55 | |||
56 | val = readl_relaxed(pll->base); | ||
57 | val &= ~BM_PLL_BYPASS; | ||
58 | if (pll->powerup_set) | ||
59 | val |= BM_PLL_POWER; | ||
60 | else | ||
61 | val &= ~BM_PLL_POWER; | ||
62 | writel_relaxed(val, pll->base); | ||
63 | |||
64 | /* Wait for PLL to lock */ | ||
65 | while (!(readl_relaxed(pll->base) & BM_PLL_LOCK)) | ||
66 | if (time_after(jiffies, timeout)) | ||
67 | return -ETIMEDOUT; | ||
68 | |||
69 | return 0; | ||
70 | } | ||
71 | |||
72 | static void clk_pllv3_unprepare(struct clk_hw *hw) | ||
73 | { | ||
74 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
75 | u32 val; | ||
76 | |||
77 | val = readl_relaxed(pll->base); | ||
78 | val |= BM_PLL_BYPASS; | ||
79 | if (pll->powerup_set) | ||
80 | val &= ~BM_PLL_POWER; | ||
81 | else | ||
82 | val |= BM_PLL_POWER; | ||
83 | writel_relaxed(val, pll->base); | ||
84 | } | ||
85 | |||
86 | static int clk_pllv3_enable(struct clk_hw *hw) | ||
87 | { | ||
88 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
89 | u32 val; | ||
90 | |||
91 | val = readl_relaxed(pll->base); | ||
92 | val |= pll->gate_mask; | ||
93 | writel_relaxed(val, pll->base); | ||
94 | |||
95 | return 0; | ||
96 | } | ||
97 | |||
98 | static void clk_pllv3_disable(struct clk_hw *hw) | ||
99 | { | ||
100 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
101 | u32 val; | ||
102 | |||
103 | val = readl_relaxed(pll->base); | ||
104 | val &= ~pll->gate_mask; | ||
105 | writel_relaxed(val, pll->base); | ||
106 | } | ||
107 | |||
108 | static unsigned long clk_pllv3_recalc_rate(struct clk_hw *hw, | ||
109 | unsigned long parent_rate) | ||
110 | { | ||
111 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
112 | u32 div = readl_relaxed(pll->base) & pll->div_mask; | ||
113 | |||
114 | return (div == 1) ? parent_rate * 22 : parent_rate * 20; | ||
115 | } | ||
116 | |||
117 | static long clk_pllv3_round_rate(struct clk_hw *hw, unsigned long rate, | ||
118 | unsigned long *prate) | ||
119 | { | ||
120 | unsigned long parent_rate = *prate; | ||
121 | |||
122 | return (rate >= parent_rate * 22) ? parent_rate * 22 : | ||
123 | parent_rate * 20; | ||
124 | } | ||
125 | |||
126 | static int clk_pllv3_set_rate(struct clk_hw *hw, unsigned long rate, | ||
127 | unsigned long parent_rate) | ||
128 | { | ||
129 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
130 | u32 val, div; | ||
131 | |||
132 | if (rate == parent_rate * 22) | ||
133 | div = 1; | ||
134 | else if (rate == parent_rate * 20) | ||
135 | div = 0; | ||
136 | else | ||
137 | return -EINVAL; | ||
138 | |||
139 | val = readl_relaxed(pll->base); | ||
140 | val &= ~pll->div_mask; | ||
141 | val |= div; | ||
142 | writel_relaxed(val, pll->base); | ||
143 | |||
144 | return 0; | ||
145 | } | ||
146 | |||
147 | static const struct clk_ops clk_pllv3_ops = { | ||
148 | .prepare = clk_pllv3_prepare, | ||
149 | .unprepare = clk_pllv3_unprepare, | ||
150 | .enable = clk_pllv3_enable, | ||
151 | .disable = clk_pllv3_disable, | ||
152 | .recalc_rate = clk_pllv3_recalc_rate, | ||
153 | .round_rate = clk_pllv3_round_rate, | ||
154 | .set_rate = clk_pllv3_set_rate, | ||
155 | }; | ||
156 | |||
157 | static unsigned long clk_pllv3_sys_recalc_rate(struct clk_hw *hw, | ||
158 | unsigned long parent_rate) | ||
159 | { | ||
160 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
161 | u32 div = readl_relaxed(pll->base) & pll->div_mask; | ||
162 | |||
163 | return parent_rate * div / 2; | ||
164 | } | ||
165 | |||
166 | static long clk_pllv3_sys_round_rate(struct clk_hw *hw, unsigned long rate, | ||
167 | unsigned long *prate) | ||
168 | { | ||
169 | unsigned long parent_rate = *prate; | ||
170 | unsigned long min_rate = parent_rate * 54 / 2; | ||
171 | unsigned long max_rate = parent_rate * 108 / 2; | ||
172 | u32 div; | ||
173 | |||
174 | if (rate > max_rate) | ||
175 | rate = max_rate; | ||
176 | else if (rate < min_rate) | ||
177 | rate = min_rate; | ||
178 | div = rate * 2 / parent_rate; | ||
179 | |||
180 | return parent_rate * div / 2; | ||
181 | } | ||
182 | |||
183 | static int clk_pllv3_sys_set_rate(struct clk_hw *hw, unsigned long rate, | ||
184 | unsigned long parent_rate) | ||
185 | { | ||
186 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
187 | unsigned long min_rate = parent_rate * 54 / 2; | ||
188 | unsigned long max_rate = parent_rate * 108 / 2; | ||
189 | u32 val, div; | ||
190 | |||
191 | if (rate < min_rate || rate > max_rate) | ||
192 | return -EINVAL; | ||
193 | |||
194 | div = rate * 2 / parent_rate; | ||
195 | val = readl_relaxed(pll->base); | ||
196 | val &= ~pll->div_mask; | ||
197 | val |= div; | ||
198 | writel_relaxed(val, pll->base); | ||
199 | |||
200 | return 0; | ||
201 | } | ||
202 | |||
203 | static const struct clk_ops clk_pllv3_sys_ops = { | ||
204 | .prepare = clk_pllv3_prepare, | ||
205 | .unprepare = clk_pllv3_unprepare, | ||
206 | .enable = clk_pllv3_enable, | ||
207 | .disable = clk_pllv3_disable, | ||
208 | .recalc_rate = clk_pllv3_sys_recalc_rate, | ||
209 | .round_rate = clk_pllv3_sys_round_rate, | ||
210 | .set_rate = clk_pllv3_sys_set_rate, | ||
211 | }; | ||
212 | |||
213 | static unsigned long clk_pllv3_av_recalc_rate(struct clk_hw *hw, | ||
214 | unsigned long parent_rate) | ||
215 | { | ||
216 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
217 | u32 mfn = readl_relaxed(pll->base + PLL_NUM_OFFSET); | ||
218 | u32 mfd = readl_relaxed(pll->base + PLL_DENOM_OFFSET); | ||
219 | u32 div = readl_relaxed(pll->base) & pll->div_mask; | ||
220 | |||
221 | return (parent_rate * div) + ((parent_rate / mfd) * mfn); | ||
222 | } | ||
223 | |||
224 | static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate, | ||
225 | unsigned long *prate) | ||
226 | { | ||
227 | unsigned long parent_rate = *prate; | ||
228 | unsigned long min_rate = parent_rate * 27; | ||
229 | unsigned long max_rate = parent_rate * 54; | ||
230 | u32 div; | ||
231 | u32 mfn, mfd = 1000000; | ||
232 | s64 temp64; | ||
233 | |||
234 | if (rate > max_rate) | ||
235 | rate = max_rate; | ||
236 | else if (rate < min_rate) | ||
237 | rate = min_rate; | ||
238 | |||
239 | div = rate / parent_rate; | ||
240 | temp64 = (u64) (rate - div * parent_rate); | ||
241 | temp64 *= mfd; | ||
242 | do_div(temp64, parent_rate); | ||
243 | mfn = temp64; | ||
244 | |||
245 | return parent_rate * div + parent_rate / mfd * mfn; | ||
246 | } | ||
247 | |||
248 | static int clk_pllv3_av_set_rate(struct clk_hw *hw, unsigned long rate, | ||
249 | unsigned long parent_rate) | ||
250 | { | ||
251 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
252 | unsigned long min_rate = parent_rate * 27; | ||
253 | unsigned long max_rate = parent_rate * 54; | ||
254 | u32 val, div; | ||
255 | u32 mfn, mfd = 1000000; | ||
256 | s64 temp64; | ||
257 | |||
258 | if (rate < min_rate || rate > max_rate) | ||
259 | return -EINVAL; | ||
260 | |||
261 | div = rate / parent_rate; | ||
262 | temp64 = (u64) (rate - div * parent_rate); | ||
263 | temp64 *= mfd; | ||
264 | do_div(temp64, parent_rate); | ||
265 | mfn = temp64; | ||
266 | |||
267 | val = readl_relaxed(pll->base); | ||
268 | val &= ~pll->div_mask; | ||
269 | val |= div; | ||
270 | writel_relaxed(val, pll->base); | ||
271 | writel_relaxed(mfn, pll->base + PLL_NUM_OFFSET); | ||
272 | writel_relaxed(mfd, pll->base + PLL_DENOM_OFFSET); | ||
273 | |||
274 | return 0; | ||
275 | } | ||
276 | |||
277 | static const struct clk_ops clk_pllv3_av_ops = { | ||
278 | .prepare = clk_pllv3_prepare, | ||
279 | .unprepare = clk_pllv3_unprepare, | ||
280 | .enable = clk_pllv3_enable, | ||
281 | .disable = clk_pllv3_disable, | ||
282 | .recalc_rate = clk_pllv3_av_recalc_rate, | ||
283 | .round_rate = clk_pllv3_av_round_rate, | ||
284 | .set_rate = clk_pllv3_av_set_rate, | ||
285 | }; | ||
286 | |||
287 | static unsigned long clk_pllv3_enet_recalc_rate(struct clk_hw *hw, | ||
288 | unsigned long parent_rate) | ||
289 | { | ||
290 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
291 | u32 div = readl_relaxed(pll->base) & pll->div_mask; | ||
292 | |||
293 | switch (div) { | ||
294 | case 0: | ||
295 | return 25000000; | ||
296 | case 1: | ||
297 | return 50000000; | ||
298 | case 2: | ||
299 | return 100000000; | ||
300 | case 3: | ||
301 | return 125000000; | ||
302 | } | ||
303 | |||
304 | return 0; | ||
305 | } | ||
306 | |||
307 | static long clk_pllv3_enet_round_rate(struct clk_hw *hw, unsigned long rate, | ||
308 | unsigned long *prate) | ||
309 | { | ||
310 | if (rate >= 125000000) | ||
311 | rate = 125000000; | ||
312 | else if (rate >= 100000000) | ||
313 | rate = 100000000; | ||
314 | else if (rate >= 50000000) | ||
315 | rate = 50000000; | ||
316 | else | ||
317 | rate = 25000000; | ||
318 | return rate; | ||
319 | } | ||
320 | |||
321 | static int clk_pllv3_enet_set_rate(struct clk_hw *hw, unsigned long rate, | ||
322 | unsigned long parent_rate) | ||
323 | { | ||
324 | struct clk_pllv3 *pll = to_clk_pllv3(hw); | ||
325 | u32 val, div; | ||
326 | |||
327 | switch (rate) { | ||
328 | case 25000000: | ||
329 | div = 0; | ||
330 | break; | ||
331 | case 50000000: | ||
332 | div = 1; | ||
333 | break; | ||
334 | case 100000000: | ||
335 | div = 2; | ||
336 | break; | ||
337 | case 125000000: | ||
338 | div = 3; | ||
339 | break; | ||
340 | default: | ||
341 | return -EINVAL; | ||
342 | } | ||
343 | |||
344 | val = readl_relaxed(pll->base); | ||
345 | val &= ~pll->div_mask; | ||
346 | val |= div; | ||
347 | writel_relaxed(val, pll->base); | ||
348 | |||
349 | return 0; | ||
350 | } | ||
351 | |||
352 | static const struct clk_ops clk_pllv3_enet_ops = { | ||
353 | .prepare = clk_pllv3_prepare, | ||
354 | .unprepare = clk_pllv3_unprepare, | ||
355 | .enable = clk_pllv3_enable, | ||
356 | .disable = clk_pllv3_disable, | ||
357 | .recalc_rate = clk_pllv3_enet_recalc_rate, | ||
358 | .round_rate = clk_pllv3_enet_round_rate, | ||
359 | .set_rate = clk_pllv3_enet_set_rate, | ||
360 | }; | ||
361 | |||
362 | static const struct clk_ops clk_pllv3_mlb_ops = { | ||
363 | .prepare = clk_pllv3_prepare, | ||
364 | .unprepare = clk_pllv3_unprepare, | ||
365 | .enable = clk_pllv3_enable, | ||
366 | .disable = clk_pllv3_disable, | ||
367 | }; | ||
368 | |||
369 | struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, | ||
370 | const char *parent_name, void __iomem *base, | ||
371 | u32 gate_mask, u32 div_mask) | ||
372 | { | ||
373 | struct clk_pllv3 *pll; | ||
374 | const struct clk_ops *ops; | ||
375 | struct clk *clk; | ||
376 | struct clk_init_data init; | ||
377 | |||
378 | pll = kzalloc(sizeof(*pll), GFP_KERNEL); | ||
379 | if (!pll) | ||
380 | return ERR_PTR(-ENOMEM); | ||
381 | |||
382 | switch (type) { | ||
383 | case IMX_PLLV3_SYS: | ||
384 | ops = &clk_pllv3_sys_ops; | ||
385 | break; | ||
386 | case IMX_PLLV3_USB: | ||
387 | ops = &clk_pllv3_ops; | ||
388 | pll->powerup_set = true; | ||
389 | break; | ||
390 | case IMX_PLLV3_AV: | ||
391 | ops = &clk_pllv3_av_ops; | ||
392 | break; | ||
393 | case IMX_PLLV3_ENET: | ||
394 | ops = &clk_pllv3_enet_ops; | ||
395 | break; | ||
396 | case IMX_PLLV3_MLB: | ||
397 | ops = &clk_pllv3_mlb_ops; | ||
398 | break; | ||
399 | default: | ||
400 | ops = &clk_pllv3_ops; | ||
401 | } | ||
402 | pll->base = base; | ||
403 | pll->gate_mask = gate_mask; | ||
404 | pll->div_mask = div_mask; | ||
405 | |||
406 | init.name = name; | ||
407 | init.ops = ops; | ||
408 | init.flags = 0; | ||
409 | init.parent_names = &parent_name; | ||
410 | init.num_parents = 1; | ||
411 | |||
412 | pll->hw.init = &init; | ||
413 | |||
414 | clk = clk_register(NULL, &pll->hw); | ||
415 | if (IS_ERR(clk)) | ||
416 | kfree(pll); | ||
417 | |||
418 | return clk; | ||
419 | } | ||
diff --git a/arch/arm/mach-imx/clk.h b/arch/arm/mach-imx/clk.h new file mode 100644 index 000000000000..1bf64fe2523c --- /dev/null +++ b/arch/arm/mach-imx/clk.h | |||
@@ -0,0 +1,83 @@ | |||
1 | #ifndef __MACH_IMX_CLK_H | ||
2 | #define __MACH_IMX_CLK_H | ||
3 | |||
4 | #include <linux/spinlock.h> | ||
5 | #include <linux/clk-provider.h> | ||
6 | #include <mach/clock.h> | ||
7 | |||
8 | struct clk *imx_clk_pllv1(const char *name, const char *parent, | ||
9 | void __iomem *base); | ||
10 | |||
11 | struct clk *imx_clk_pllv2(const char *name, const char *parent, | ||
12 | void __iomem *base); | ||
13 | |||
14 | enum imx_pllv3_type { | ||
15 | IMX_PLLV3_GENERIC, | ||
16 | IMX_PLLV3_SYS, | ||
17 | IMX_PLLV3_USB, | ||
18 | IMX_PLLV3_AV, | ||
19 | IMX_PLLV3_ENET, | ||
20 | IMX_PLLV3_MLB, | ||
21 | }; | ||
22 | |||
23 | struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, | ||
24 | const char *parent_name, void __iomem *base, u32 gate_mask, | ||
25 | u32 div_mask); | ||
26 | |||
27 | struct clk *clk_register_gate2(struct device *dev, const char *name, | ||
28 | const char *parent_name, unsigned long flags, | ||
29 | void __iomem *reg, u8 bit_idx, | ||
30 | u8 clk_gate_flags, spinlock_t *lock); | ||
31 | |||
32 | static inline struct clk *imx_clk_gate2(const char *name, const char *parent, | ||
33 | void __iomem *reg, u8 shift) | ||
34 | { | ||
35 | return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg, | ||
36 | shift, 0, &imx_ccm_lock); | ||
37 | } | ||
38 | |||
39 | struct clk *imx_clk_pfd(const char *name, const char *parent_name, | ||
40 | void __iomem *reg, u8 idx); | ||
41 | |||
42 | struct clk *imx_clk_busy_divider(const char *name, const char *parent_name, | ||
43 | void __iomem *reg, u8 shift, u8 width, | ||
44 | void __iomem *busy_reg, u8 busy_shift); | ||
45 | |||
46 | struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift, | ||
47 | u8 width, void __iomem *busy_reg, u8 busy_shift, | ||
48 | const char **parent_names, int num_parents); | ||
49 | |||
50 | static inline struct clk *imx_clk_fixed(const char *name, int rate) | ||
51 | { | ||
52 | return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate); | ||
53 | } | ||
54 | |||
55 | static inline struct clk *imx_clk_divider(const char *name, const char *parent, | ||
56 | void __iomem *reg, u8 shift, u8 width) | ||
57 | { | ||
58 | return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT, | ||
59 | reg, shift, width, 0, &imx_ccm_lock); | ||
60 | } | ||
61 | |||
62 | static inline struct clk *imx_clk_gate(const char *name, const char *parent, | ||
63 | void __iomem *reg, u8 shift) | ||
64 | { | ||
65 | return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg, | ||
66 | shift, 0, &imx_ccm_lock); | ||
67 | } | ||
68 | |||
69 | static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg, | ||
70 | u8 shift, u8 width, const char **parents, int num_parents) | ||
71 | { | ||
72 | return clk_register_mux(NULL, name, parents, num_parents, 0, reg, shift, | ||
73 | width, 0, &imx_ccm_lock); | ||
74 | } | ||
75 | |||
76 | static inline struct clk *imx_clk_fixed_factor(const char *name, | ||
77 | const char *parent, unsigned int mult, unsigned int div) | ||
78 | { | ||
79 | return clk_register_fixed_factor(NULL, name, parent, | ||
80 | CLK_SET_RATE_PARENT, mult, div); | ||
81 | } | ||
82 | |||
83 | #endif | ||
diff --git a/arch/arm/mach-imx/clock-imx1.c b/arch/arm/mach-imx/clock-imx1.c deleted file mode 100644 index 4aabeb241563..000000000000 --- a/arch/arm/mach-imx/clock-imx1.c +++ /dev/null | |||
@@ -1,636 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License along | ||
14 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
15 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | ||
16 | */ | ||
17 | |||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/list.h> | ||
21 | #include <linux/math64.h> | ||
22 | #include <linux/err.h> | ||
23 | #include <linux/clk.h> | ||
24 | #include <linux/io.h> | ||
25 | #include <linux/clkdev.h> | ||
26 | |||
27 | #include <mach/clock.h> | ||
28 | #include <mach/hardware.h> | ||
29 | #include <mach/common.h> | ||
30 | |||
31 | #define IO_ADDR_CCM(off) (MX1_IO_ADDRESS(MX1_CCM_BASE_ADDR + (off))) | ||
32 | |||
33 | /* CCM register addresses */ | ||
34 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
35 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
36 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
37 | #define CCM_PCDR IO_ADDR_CCM(0x20) | ||
38 | |||
39 | #define CCM_CSCR_CLKO_OFFSET 29 | ||
40 | #define CCM_CSCR_CLKO_MASK (0x7 << 29) | ||
41 | #define CCM_CSCR_USB_OFFSET 26 | ||
42 | #define CCM_CSCR_USB_MASK (0x7 << 26) | ||
43 | #define CCM_CSCR_OSC_EN_SHIFT 17 | ||
44 | #define CCM_CSCR_SYSTEM_SEL (1 << 16) | ||
45 | #define CCM_CSCR_BCLK_OFFSET 10 | ||
46 | #define CCM_CSCR_BCLK_MASK (0xf << 10) | ||
47 | #define CCM_CSCR_PRESC (1 << 15) | ||
48 | |||
49 | #define CCM_PCDR_PCLK3_OFFSET 16 | ||
50 | #define CCM_PCDR_PCLK3_MASK (0x7f << 16) | ||
51 | #define CCM_PCDR_PCLK2_OFFSET 4 | ||
52 | #define CCM_PCDR_PCLK2_MASK (0xf << 4) | ||
53 | #define CCM_PCDR_PCLK1_OFFSET 0 | ||
54 | #define CCM_PCDR_PCLK1_MASK 0xf | ||
55 | |||
56 | #define IO_ADDR_SCM(off) (MX1_IO_ADDRESS(MX1_SCM_BASE_ADDR + (off))) | ||
57 | |||
58 | /* SCM register addresses */ | ||
59 | #define SCM_GCCR IO_ADDR_SCM(0xc) | ||
60 | |||
61 | #define SCM_GCCR_DMA_CLK_EN_OFFSET 3 | ||
62 | #define SCM_GCCR_CSI_CLK_EN_OFFSET 2 | ||
63 | #define SCM_GCCR_MMA_CLK_EN_OFFSET 1 | ||
64 | #define SCM_GCCR_USBD_CLK_EN_OFFSET 0 | ||
65 | |||
66 | static int _clk_enable(struct clk *clk) | ||
67 | { | ||
68 | unsigned int reg; | ||
69 | |||
70 | reg = __raw_readl(clk->enable_reg); | ||
71 | reg |= 1 << clk->enable_shift; | ||
72 | __raw_writel(reg, clk->enable_reg); | ||
73 | |||
74 | return 0; | ||
75 | } | ||
76 | |||
77 | static void _clk_disable(struct clk *clk) | ||
78 | { | ||
79 | unsigned int reg; | ||
80 | |||
81 | reg = __raw_readl(clk->enable_reg); | ||
82 | reg &= ~(1 << clk->enable_shift); | ||
83 | __raw_writel(reg, clk->enable_reg); | ||
84 | } | ||
85 | |||
86 | static int _clk_can_use_parent(const struct clk *clk_arr[], unsigned int size, | ||
87 | struct clk *parent) | ||
88 | { | ||
89 | int i; | ||
90 | |||
91 | for (i = 0; i < size; i++) | ||
92 | if (parent == clk_arr[i]) | ||
93 | return i; | ||
94 | |||
95 | return -EINVAL; | ||
96 | } | ||
97 | |||
98 | static unsigned long | ||
99 | _clk_simple_round_rate(struct clk *clk, unsigned long rate, unsigned int limit) | ||
100 | { | ||
101 | int div; | ||
102 | unsigned long parent_rate; | ||
103 | |||
104 | parent_rate = clk_get_rate(clk->parent); | ||
105 | |||
106 | div = parent_rate / rate; | ||
107 | if (parent_rate % rate) | ||
108 | div++; | ||
109 | |||
110 | if (div > limit) | ||
111 | div = limit; | ||
112 | |||
113 | return parent_rate / div; | ||
114 | } | ||
115 | |||
116 | static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate) | ||
117 | { | ||
118 | return clk->parent->round_rate(clk->parent, rate); | ||
119 | } | ||
120 | |||
121 | static int _clk_parent_set_rate(struct clk *clk, unsigned long rate) | ||
122 | { | ||
123 | return clk->parent->set_rate(clk->parent, rate); | ||
124 | } | ||
125 | |||
126 | static unsigned long clk16m_get_rate(struct clk *clk) | ||
127 | { | ||
128 | return 16000000; | ||
129 | } | ||
130 | |||
131 | static struct clk clk16m = { | ||
132 | .get_rate = clk16m_get_rate, | ||
133 | .enable = _clk_enable, | ||
134 | .enable_reg = CCM_CSCR, | ||
135 | .enable_shift = CCM_CSCR_OSC_EN_SHIFT, | ||
136 | .disable = _clk_disable, | ||
137 | }; | ||
138 | |||
139 | /* in Hz */ | ||
140 | static unsigned long clk32_rate; | ||
141 | |||
142 | static unsigned long clk32_get_rate(struct clk *clk) | ||
143 | { | ||
144 | return clk32_rate; | ||
145 | } | ||
146 | |||
147 | static struct clk clk32 = { | ||
148 | .get_rate = clk32_get_rate, | ||
149 | }; | ||
150 | |||
151 | static unsigned long clk32_premult_get_rate(struct clk *clk) | ||
152 | { | ||
153 | return clk_get_rate(clk->parent) * 512; | ||
154 | } | ||
155 | |||
156 | static struct clk clk32_premult = { | ||
157 | .parent = &clk32, | ||
158 | .get_rate = clk32_premult_get_rate, | ||
159 | }; | ||
160 | |||
161 | static const struct clk *prem_clk_clocks[] = { | ||
162 | &clk32_premult, | ||
163 | &clk16m, | ||
164 | }; | ||
165 | |||
166 | static int prem_clk_set_parent(struct clk *clk, struct clk *parent) | ||
167 | { | ||
168 | int i; | ||
169 | unsigned int reg = __raw_readl(CCM_CSCR); | ||
170 | |||
171 | i = _clk_can_use_parent(prem_clk_clocks, ARRAY_SIZE(prem_clk_clocks), | ||
172 | parent); | ||
173 | |||
174 | switch (i) { | ||
175 | case 0: | ||
176 | reg &= ~CCM_CSCR_SYSTEM_SEL; | ||
177 | break; | ||
178 | case 1: | ||
179 | reg |= CCM_CSCR_SYSTEM_SEL; | ||
180 | break; | ||
181 | default: | ||
182 | return i; | ||
183 | } | ||
184 | |||
185 | __raw_writel(reg, CCM_CSCR); | ||
186 | |||
187 | return 0; | ||
188 | } | ||
189 | |||
190 | static struct clk prem_clk = { | ||
191 | .set_parent = prem_clk_set_parent, | ||
192 | }; | ||
193 | |||
194 | static unsigned long system_clk_get_rate(struct clk *clk) | ||
195 | { | ||
196 | return mxc_decode_pll(__raw_readl(CCM_SPCTL0), | ||
197 | clk_get_rate(clk->parent)); | ||
198 | } | ||
199 | |||
200 | static struct clk system_clk = { | ||
201 | .parent = &prem_clk, | ||
202 | .get_rate = system_clk_get_rate, | ||
203 | }; | ||
204 | |||
205 | static unsigned long mcu_clk_get_rate(struct clk *clk) | ||
206 | { | ||
207 | return mxc_decode_pll(__raw_readl(CCM_MPCTL0), | ||
208 | clk_get_rate(clk->parent)); | ||
209 | } | ||
210 | |||
211 | static struct clk mcu_clk = { | ||
212 | .parent = &clk32_premult, | ||
213 | .get_rate = mcu_clk_get_rate, | ||
214 | }; | ||
215 | |||
216 | static unsigned long fclk_get_rate(struct clk *clk) | ||
217 | { | ||
218 | unsigned long fclk = clk_get_rate(clk->parent); | ||
219 | |||
220 | if (__raw_readl(CCM_CSCR) & CCM_CSCR_PRESC) | ||
221 | fclk /= 2; | ||
222 | |||
223 | return fclk; | ||
224 | } | ||
225 | |||
226 | static struct clk fclk = { | ||
227 | .parent = &mcu_clk, | ||
228 | .get_rate = fclk_get_rate, | ||
229 | }; | ||
230 | |||
231 | /* | ||
232 | * get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA ) | ||
233 | */ | ||
234 | static unsigned long hclk_get_rate(struct clk *clk) | ||
235 | { | ||
236 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_CSCR) & | ||
237 | CCM_CSCR_BCLK_MASK) >> CCM_CSCR_BCLK_OFFSET) + 1); | ||
238 | } | ||
239 | |||
240 | static unsigned long hclk_round_rate(struct clk *clk, unsigned long rate) | ||
241 | { | ||
242 | return _clk_simple_round_rate(clk, rate, 16); | ||
243 | } | ||
244 | |||
245 | static int hclk_set_rate(struct clk *clk, unsigned long rate) | ||
246 | { | ||
247 | unsigned int div; | ||
248 | unsigned int reg; | ||
249 | unsigned long parent_rate; | ||
250 | |||
251 | parent_rate = clk_get_rate(clk->parent); | ||
252 | |||
253 | div = parent_rate / rate; | ||
254 | |||
255 | if (div > 16 || div < 1 || ((parent_rate / div) != rate)) | ||
256 | return -EINVAL; | ||
257 | |||
258 | div--; | ||
259 | |||
260 | reg = __raw_readl(CCM_CSCR); | ||
261 | reg &= ~CCM_CSCR_BCLK_MASK; | ||
262 | reg |= div << CCM_CSCR_BCLK_OFFSET; | ||
263 | __raw_writel(reg, CCM_CSCR); | ||
264 | |||
265 | return 0; | ||
266 | } | ||
267 | |||
268 | static struct clk hclk = { | ||
269 | .parent = &system_clk, | ||
270 | .get_rate = hclk_get_rate, | ||
271 | .round_rate = hclk_round_rate, | ||
272 | .set_rate = hclk_set_rate, | ||
273 | }; | ||
274 | |||
275 | static unsigned long clk48m_get_rate(struct clk *clk) | ||
276 | { | ||
277 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_CSCR) & | ||
278 | CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET) + 1); | ||
279 | } | ||
280 | |||
281 | static unsigned long clk48m_round_rate(struct clk *clk, unsigned long rate) | ||
282 | { | ||
283 | return _clk_simple_round_rate(clk, rate, 8); | ||
284 | } | ||
285 | |||
286 | static int clk48m_set_rate(struct clk *clk, unsigned long rate) | ||
287 | { | ||
288 | unsigned int div; | ||
289 | unsigned int reg; | ||
290 | unsigned long parent_rate; | ||
291 | |||
292 | parent_rate = clk_get_rate(clk->parent); | ||
293 | |||
294 | div = parent_rate / rate; | ||
295 | |||
296 | if (div > 8 || div < 1 || ((parent_rate / div) != rate)) | ||
297 | return -EINVAL; | ||
298 | |||
299 | div--; | ||
300 | |||
301 | reg = __raw_readl(CCM_CSCR); | ||
302 | reg &= ~CCM_CSCR_USB_MASK; | ||
303 | reg |= div << CCM_CSCR_USB_OFFSET; | ||
304 | __raw_writel(reg, CCM_CSCR); | ||
305 | |||
306 | return 0; | ||
307 | } | ||
308 | |||
309 | static struct clk clk48m = { | ||
310 | .parent = &system_clk, | ||
311 | .get_rate = clk48m_get_rate, | ||
312 | .round_rate = clk48m_round_rate, | ||
313 | .set_rate = clk48m_set_rate, | ||
314 | }; | ||
315 | |||
316 | /* | ||
317 | * get peripheral clock 1 ( UART[12], Timer[12], PWM ) | ||
318 | */ | ||
319 | static unsigned long perclk1_get_rate(struct clk *clk) | ||
320 | { | ||
321 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & | ||
322 | CCM_PCDR_PCLK1_MASK) >> CCM_PCDR_PCLK1_OFFSET) + 1); | ||
323 | } | ||
324 | |||
325 | static unsigned long perclk1_round_rate(struct clk *clk, unsigned long rate) | ||
326 | { | ||
327 | return _clk_simple_round_rate(clk, rate, 16); | ||
328 | } | ||
329 | |||
330 | static int perclk1_set_rate(struct clk *clk, unsigned long rate) | ||
331 | { | ||
332 | unsigned int div; | ||
333 | unsigned int reg; | ||
334 | unsigned long parent_rate; | ||
335 | |||
336 | parent_rate = clk_get_rate(clk->parent); | ||
337 | |||
338 | div = parent_rate / rate; | ||
339 | |||
340 | if (div > 16 || div < 1 || ((parent_rate / div) != rate)) | ||
341 | return -EINVAL; | ||
342 | |||
343 | div--; | ||
344 | |||
345 | reg = __raw_readl(CCM_PCDR); | ||
346 | reg &= ~CCM_PCDR_PCLK1_MASK; | ||
347 | reg |= div << CCM_PCDR_PCLK1_OFFSET; | ||
348 | __raw_writel(reg, CCM_PCDR); | ||
349 | |||
350 | return 0; | ||
351 | } | ||
352 | |||
353 | /* | ||
354 | * get peripheral clock 2 ( LCD, SD, SPI[12] ) | ||
355 | */ | ||
356 | static unsigned long perclk2_get_rate(struct clk *clk) | ||
357 | { | ||
358 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & | ||
359 | CCM_PCDR_PCLK2_MASK) >> CCM_PCDR_PCLK2_OFFSET) + 1); | ||
360 | } | ||
361 | |||
362 | static unsigned long perclk2_round_rate(struct clk *clk, unsigned long rate) | ||
363 | { | ||
364 | return _clk_simple_round_rate(clk, rate, 16); | ||
365 | } | ||
366 | |||
367 | static int perclk2_set_rate(struct clk *clk, unsigned long rate) | ||
368 | { | ||
369 | unsigned int div; | ||
370 | unsigned int reg; | ||
371 | unsigned long parent_rate; | ||
372 | |||
373 | parent_rate = clk_get_rate(clk->parent); | ||
374 | |||
375 | div = parent_rate / rate; | ||
376 | |||
377 | if (div > 16 || div < 1 || ((parent_rate / div) != rate)) | ||
378 | return -EINVAL; | ||
379 | |||
380 | div--; | ||
381 | |||
382 | reg = __raw_readl(CCM_PCDR); | ||
383 | reg &= ~CCM_PCDR_PCLK2_MASK; | ||
384 | reg |= div << CCM_PCDR_PCLK2_OFFSET; | ||
385 | __raw_writel(reg, CCM_PCDR); | ||
386 | |||
387 | return 0; | ||
388 | } | ||
389 | |||
390 | /* | ||
391 | * get peripheral clock 3 ( SSI ) | ||
392 | */ | ||
393 | static unsigned long perclk3_get_rate(struct clk *clk) | ||
394 | { | ||
395 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & | ||
396 | CCM_PCDR_PCLK3_MASK) >> CCM_PCDR_PCLK3_OFFSET) + 1); | ||
397 | } | ||
398 | |||
399 | static unsigned long perclk3_round_rate(struct clk *clk, unsigned long rate) | ||
400 | { | ||
401 | return _clk_simple_round_rate(clk, rate, 128); | ||
402 | } | ||
403 | |||
404 | static int perclk3_set_rate(struct clk *clk, unsigned long rate) | ||
405 | { | ||
406 | unsigned int div; | ||
407 | unsigned int reg; | ||
408 | unsigned long parent_rate; | ||
409 | |||
410 | parent_rate = clk_get_rate(clk->parent); | ||
411 | |||
412 | div = parent_rate / rate; | ||
413 | |||
414 | if (div > 128 || div < 1 || ((parent_rate / div) != rate)) | ||
415 | return -EINVAL; | ||
416 | |||
417 | div--; | ||
418 | |||
419 | reg = __raw_readl(CCM_PCDR); | ||
420 | reg &= ~CCM_PCDR_PCLK3_MASK; | ||
421 | reg |= div << CCM_PCDR_PCLK3_OFFSET; | ||
422 | __raw_writel(reg, CCM_PCDR); | ||
423 | |||
424 | return 0; | ||
425 | } | ||
426 | |||
427 | static struct clk perclk[] = { | ||
428 | { | ||
429 | .id = 0, | ||
430 | .parent = &system_clk, | ||
431 | .get_rate = perclk1_get_rate, | ||
432 | .round_rate = perclk1_round_rate, | ||
433 | .set_rate = perclk1_set_rate, | ||
434 | }, { | ||
435 | .id = 1, | ||
436 | .parent = &system_clk, | ||
437 | .get_rate = perclk2_get_rate, | ||
438 | .round_rate = perclk2_round_rate, | ||
439 | .set_rate = perclk2_set_rate, | ||
440 | }, { | ||
441 | .id = 2, | ||
442 | .parent = &system_clk, | ||
443 | .get_rate = perclk3_get_rate, | ||
444 | .round_rate = perclk3_round_rate, | ||
445 | .set_rate = perclk3_set_rate, | ||
446 | } | ||
447 | }; | ||
448 | |||
449 | static const struct clk *clko_clocks[] = { | ||
450 | &perclk[0], | ||
451 | &hclk, | ||
452 | &clk48m, | ||
453 | &clk16m, | ||
454 | &prem_clk, | ||
455 | &fclk, | ||
456 | }; | ||
457 | |||
458 | static int clko_set_parent(struct clk *clk, struct clk *parent) | ||
459 | { | ||
460 | int i; | ||
461 | unsigned int reg; | ||
462 | |||
463 | i = _clk_can_use_parent(clko_clocks, ARRAY_SIZE(clko_clocks), parent); | ||
464 | if (i < 0) | ||
465 | return i; | ||
466 | |||
467 | reg = __raw_readl(CCM_CSCR) & ~CCM_CSCR_CLKO_MASK; | ||
468 | reg |= i << CCM_CSCR_CLKO_OFFSET; | ||
469 | __raw_writel(reg, CCM_CSCR); | ||
470 | |||
471 | if (clko_clocks[i]->set_rate && clko_clocks[i]->round_rate) { | ||
472 | clk->set_rate = _clk_parent_set_rate; | ||
473 | clk->round_rate = _clk_parent_round_rate; | ||
474 | } else { | ||
475 | clk->set_rate = NULL; | ||
476 | clk->round_rate = NULL; | ||
477 | } | ||
478 | |||
479 | return 0; | ||
480 | } | ||
481 | |||
482 | static struct clk clko_clk = { | ||
483 | .set_parent = clko_set_parent, | ||
484 | }; | ||
485 | |||
486 | static struct clk dma_clk = { | ||
487 | .parent = &hclk, | ||
488 | .round_rate = _clk_parent_round_rate, | ||
489 | .set_rate = _clk_parent_set_rate, | ||
490 | .enable = _clk_enable, | ||
491 | .enable_reg = SCM_GCCR, | ||
492 | .enable_shift = SCM_GCCR_DMA_CLK_EN_OFFSET, | ||
493 | .disable = _clk_disable, | ||
494 | }; | ||
495 | |||
496 | static struct clk csi_clk = { | ||
497 | .parent = &hclk, | ||
498 | .round_rate = _clk_parent_round_rate, | ||
499 | .set_rate = _clk_parent_set_rate, | ||
500 | .enable = _clk_enable, | ||
501 | .enable_reg = SCM_GCCR, | ||
502 | .enable_shift = SCM_GCCR_CSI_CLK_EN_OFFSET, | ||
503 | .disable = _clk_disable, | ||
504 | }; | ||
505 | |||
506 | static struct clk mma_clk = { | ||
507 | .parent = &hclk, | ||
508 | .round_rate = _clk_parent_round_rate, | ||
509 | .set_rate = _clk_parent_set_rate, | ||
510 | .enable = _clk_enable, | ||
511 | .enable_reg = SCM_GCCR, | ||
512 | .enable_shift = SCM_GCCR_MMA_CLK_EN_OFFSET, | ||
513 | .disable = _clk_disable, | ||
514 | }; | ||
515 | |||
516 | static struct clk usbd_clk = { | ||
517 | .parent = &clk48m, | ||
518 | .round_rate = _clk_parent_round_rate, | ||
519 | .set_rate = _clk_parent_set_rate, | ||
520 | .enable = _clk_enable, | ||
521 | .enable_reg = SCM_GCCR, | ||
522 | .enable_shift = SCM_GCCR_USBD_CLK_EN_OFFSET, | ||
523 | .disable = _clk_disable, | ||
524 | }; | ||
525 | |||
526 | static struct clk gpt_clk = { | ||
527 | .parent = &perclk[0], | ||
528 | .round_rate = _clk_parent_round_rate, | ||
529 | .set_rate = _clk_parent_set_rate, | ||
530 | }; | ||
531 | |||
532 | static struct clk uart_clk = { | ||
533 | .parent = &perclk[0], | ||
534 | .round_rate = _clk_parent_round_rate, | ||
535 | .set_rate = _clk_parent_set_rate, | ||
536 | }; | ||
537 | |||
538 | static struct clk i2c_clk = { | ||
539 | .parent = &hclk, | ||
540 | .round_rate = _clk_parent_round_rate, | ||
541 | .set_rate = _clk_parent_set_rate, | ||
542 | }; | ||
543 | |||
544 | static struct clk spi_clk = { | ||
545 | .parent = &perclk[1], | ||
546 | .round_rate = _clk_parent_round_rate, | ||
547 | .set_rate = _clk_parent_set_rate, | ||
548 | }; | ||
549 | |||
550 | static struct clk sdhc_clk = { | ||
551 | .parent = &perclk[1], | ||
552 | .round_rate = _clk_parent_round_rate, | ||
553 | .set_rate = _clk_parent_set_rate, | ||
554 | }; | ||
555 | |||
556 | static struct clk lcdc_clk = { | ||
557 | .parent = &perclk[1], | ||
558 | .round_rate = _clk_parent_round_rate, | ||
559 | .set_rate = _clk_parent_set_rate, | ||
560 | }; | ||
561 | |||
562 | static struct clk mshc_clk = { | ||
563 | .parent = &hclk, | ||
564 | .round_rate = _clk_parent_round_rate, | ||
565 | .set_rate = _clk_parent_set_rate, | ||
566 | }; | ||
567 | |||
568 | static struct clk ssi_clk = { | ||
569 | .parent = &perclk[2], | ||
570 | .round_rate = _clk_parent_round_rate, | ||
571 | .set_rate = _clk_parent_set_rate, | ||
572 | }; | ||
573 | |||
574 | static struct clk rtc_clk = { | ||
575 | .parent = &clk32, | ||
576 | }; | ||
577 | |||
578 | #define _REGISTER_CLOCK(d, n, c) \ | ||
579 | { \ | ||
580 | .dev_id = d, \ | ||
581 | .con_id = n, \ | ||
582 | .clk = &c, \ | ||
583 | }, | ||
584 | static struct clk_lookup lookups[] __initdata = { | ||
585 | _REGISTER_CLOCK(NULL, "dma", dma_clk) | ||
586 | _REGISTER_CLOCK("mx1-camera.0", NULL, csi_clk) | ||
587 | _REGISTER_CLOCK(NULL, "mma", mma_clk) | ||
588 | _REGISTER_CLOCK("imx_udc.0", NULL, usbd_clk) | ||
589 | _REGISTER_CLOCK(NULL, "gpt", gpt_clk) | ||
590 | _REGISTER_CLOCK("imx1-uart.0", NULL, uart_clk) | ||
591 | _REGISTER_CLOCK("imx1-uart.1", NULL, uart_clk) | ||
592 | _REGISTER_CLOCK("imx1-uart.2", NULL, uart_clk) | ||
593 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) | ||
594 | _REGISTER_CLOCK("imx1-cspi.0", NULL, spi_clk) | ||
595 | _REGISTER_CLOCK("imx1-cspi.1", NULL, spi_clk) | ||
596 | _REGISTER_CLOCK("imx-mmc.0", NULL, sdhc_clk) | ||
597 | _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk) | ||
598 | _REGISTER_CLOCK(NULL, "mshc", mshc_clk) | ||
599 | _REGISTER_CLOCK(NULL, "ssi", ssi_clk) | ||
600 | _REGISTER_CLOCK("mxc_rtc.0", NULL, rtc_clk) | ||
601 | }; | ||
602 | |||
603 | int __init mx1_clocks_init(unsigned long fref) | ||
604 | { | ||
605 | unsigned int reg; | ||
606 | |||
607 | /* disable clocks we are able to */ | ||
608 | __raw_writel(0, SCM_GCCR); | ||
609 | |||
610 | clk32_rate = fref; | ||
611 | reg = __raw_readl(CCM_CSCR); | ||
612 | |||
613 | /* detect clock reference for system PLL */ | ||
614 | if (reg & CCM_CSCR_SYSTEM_SEL) { | ||
615 | prem_clk.parent = &clk16m; | ||
616 | } else { | ||
617 | /* ensure that oscillator is disabled */ | ||
618 | reg &= ~(1 << CCM_CSCR_OSC_EN_SHIFT); | ||
619 | __raw_writel(reg, CCM_CSCR); | ||
620 | prem_clk.parent = &clk32_premult; | ||
621 | } | ||
622 | |||
623 | /* detect reference for CLKO */ | ||
624 | reg = (reg & CCM_CSCR_CLKO_MASK) >> CCM_CSCR_CLKO_OFFSET; | ||
625 | clko_clk.parent = (struct clk *)clko_clocks[reg]; | ||
626 | |||
627 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
628 | |||
629 | clk_enable(&hclk); | ||
630 | clk_enable(&fclk); | ||
631 | |||
632 | mxc_timer_init(&gpt_clk, MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR), | ||
633 | MX1_TIM1_INT); | ||
634 | |||
635 | return 0; | ||
636 | } | ||
diff --git a/arch/arm/mach-imx/clock-imx21.c b/arch/arm/mach-imx/clock-imx21.c deleted file mode 100644 index ee15d8c9db08..000000000000 --- a/arch/arm/mach-imx/clock-imx21.c +++ /dev/null | |||
@@ -1,1239 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * Copyright 2008 Martin Fuzzey, mfuzzey@gmail.com | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
18 | * MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/clk.h> | ||
22 | #include <linux/io.h> | ||
23 | #include <linux/module.h> | ||
24 | #include <linux/clkdev.h> | ||
25 | |||
26 | #include <mach/clock.h> | ||
27 | #include <mach/hardware.h> | ||
28 | #include <mach/common.h> | ||
29 | #include <asm/div64.h> | ||
30 | |||
31 | #define IO_ADDR_CCM(off) (MX21_IO_ADDRESS(MX21_CCM_BASE_ADDR + (off))) | ||
32 | |||
33 | /* Register offsets */ | ||
34 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
35 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
36 | #define CCM_MPCTL1 IO_ADDR_CCM(0x8) | ||
37 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
38 | #define CCM_SPCTL1 IO_ADDR_CCM(0x10) | ||
39 | #define CCM_OSC26MCTL IO_ADDR_CCM(0x14) | ||
40 | #define CCM_PCDR0 IO_ADDR_CCM(0x18) | ||
41 | #define CCM_PCDR1 IO_ADDR_CCM(0x1c) | ||
42 | #define CCM_PCCR0 IO_ADDR_CCM(0x20) | ||
43 | #define CCM_PCCR1 IO_ADDR_CCM(0x24) | ||
44 | #define CCM_CCSR IO_ADDR_CCM(0x28) | ||
45 | #define CCM_PMCTL IO_ADDR_CCM(0x2c) | ||
46 | #define CCM_PMCOUNT IO_ADDR_CCM(0x30) | ||
47 | #define CCM_WKGDCTL IO_ADDR_CCM(0x34) | ||
48 | |||
49 | #define CCM_CSCR_PRESC_OFFSET 29 | ||
50 | #define CCM_CSCR_PRESC_MASK (0x7 << CCM_CSCR_PRESC_OFFSET) | ||
51 | |||
52 | #define CCM_CSCR_USB_OFFSET 26 | ||
53 | #define CCM_CSCR_USB_MASK (0x7 << CCM_CSCR_USB_OFFSET) | ||
54 | #define CCM_CSCR_SD_OFFSET 24 | ||
55 | #define CCM_CSCR_SD_MASK (0x3 << CCM_CSCR_SD_OFFSET) | ||
56 | #define CCM_CSCR_SPLLRES (1 << 22) | ||
57 | #define CCM_CSCR_MPLLRES (1 << 21) | ||
58 | #define CCM_CSCR_SSI2_OFFSET 20 | ||
59 | #define CCM_CSCR_SSI2 (1 << CCM_CSCR_SSI2_OFFSET) | ||
60 | #define CCM_CSCR_SSI1_OFFSET 19 | ||
61 | #define CCM_CSCR_SSI1 (1 << CCM_CSCR_SSI1_OFFSET) | ||
62 | #define CCM_CSCR_FIR_OFFSET 18 | ||
63 | #define CCM_CSCR_FIR (1 << CCM_CSCR_FIR_OFFSET) | ||
64 | #define CCM_CSCR_SP (1 << 17) | ||
65 | #define CCM_CSCR_MCU (1 << 16) | ||
66 | #define CCM_CSCR_BCLK_OFFSET 10 | ||
67 | #define CCM_CSCR_BCLK_MASK (0xf << CCM_CSCR_BCLK_OFFSET) | ||
68 | #define CCM_CSCR_IPDIV_OFFSET 9 | ||
69 | #define CCM_CSCR_IPDIV (1 << CCM_CSCR_IPDIV_OFFSET) | ||
70 | |||
71 | #define CCM_CSCR_OSC26MDIV (1 << 4) | ||
72 | #define CCM_CSCR_OSC26M (1 << 3) | ||
73 | #define CCM_CSCR_FPM (1 << 2) | ||
74 | #define CCM_CSCR_SPEN (1 << 1) | ||
75 | #define CCM_CSCR_MPEN 1 | ||
76 | |||
77 | #define CCM_MPCTL0_CPLM (1 << 31) | ||
78 | #define CCM_MPCTL0_PD_OFFSET 26 | ||
79 | #define CCM_MPCTL0_PD_MASK (0xf << 26) | ||
80 | #define CCM_MPCTL0_MFD_OFFSET 16 | ||
81 | #define CCM_MPCTL0_MFD_MASK (0x3ff << 16) | ||
82 | #define CCM_MPCTL0_MFI_OFFSET 10 | ||
83 | #define CCM_MPCTL0_MFI_MASK (0xf << 10) | ||
84 | #define CCM_MPCTL0_MFN_OFFSET 0 | ||
85 | #define CCM_MPCTL0_MFN_MASK 0x3ff | ||
86 | |||
87 | #define CCM_MPCTL1_LF (1 << 15) | ||
88 | #define CCM_MPCTL1_BRMO (1 << 6) | ||
89 | |||
90 | #define CCM_SPCTL0_CPLM (1 << 31) | ||
91 | #define CCM_SPCTL0_PD_OFFSET 26 | ||
92 | #define CCM_SPCTL0_PD_MASK (0xf << 26) | ||
93 | #define CCM_SPCTL0_MFD_OFFSET 16 | ||
94 | #define CCM_SPCTL0_MFD_MASK (0x3ff << 16) | ||
95 | #define CCM_SPCTL0_MFI_OFFSET 10 | ||
96 | #define CCM_SPCTL0_MFI_MASK (0xf << 10) | ||
97 | #define CCM_SPCTL0_MFN_OFFSET 0 | ||
98 | #define CCM_SPCTL0_MFN_MASK 0x3ff | ||
99 | |||
100 | #define CCM_SPCTL1_LF (1 << 15) | ||
101 | #define CCM_SPCTL1_BRMO (1 << 6) | ||
102 | |||
103 | #define CCM_OSC26MCTL_PEAK_OFFSET 16 | ||
104 | #define CCM_OSC26MCTL_PEAK_MASK (0x3 << 16) | ||
105 | #define CCM_OSC26MCTL_AGC_OFFSET 8 | ||
106 | #define CCM_OSC26MCTL_AGC_MASK (0x3f << 8) | ||
107 | #define CCM_OSC26MCTL_ANATEST_OFFSET 0 | ||
108 | #define CCM_OSC26MCTL_ANATEST_MASK 0x3f | ||
109 | |||
110 | #define CCM_PCDR0_SSI2BAUDDIV_OFFSET 26 | ||
111 | #define CCM_PCDR0_SSI2BAUDDIV_MASK (0x3f << 26) | ||
112 | #define CCM_PCDR0_SSI1BAUDDIV_OFFSET 16 | ||
113 | #define CCM_PCDR0_SSI1BAUDDIV_MASK (0x3f << 16) | ||
114 | #define CCM_PCDR0_NFCDIV_OFFSET 12 | ||
115 | #define CCM_PCDR0_NFCDIV_MASK (0xf << 12) | ||
116 | #define CCM_PCDR0_48MDIV_OFFSET 5 | ||
117 | #define CCM_PCDR0_48MDIV_MASK (0x7 << CCM_PCDR0_48MDIV_OFFSET) | ||
118 | #define CCM_PCDR0_FIRIDIV_OFFSET 0 | ||
119 | #define CCM_PCDR0_FIRIDIV_MASK 0x1f | ||
120 | #define CCM_PCDR1_PERDIV4_OFFSET 24 | ||
121 | #define CCM_PCDR1_PERDIV4_MASK (0x3f << 24) | ||
122 | #define CCM_PCDR1_PERDIV3_OFFSET 16 | ||
123 | #define CCM_PCDR1_PERDIV3_MASK (0x3f << 16) | ||
124 | #define CCM_PCDR1_PERDIV2_OFFSET 8 | ||
125 | #define CCM_PCDR1_PERDIV2_MASK (0x3f << 8) | ||
126 | #define CCM_PCDR1_PERDIV1_OFFSET 0 | ||
127 | #define CCM_PCDR1_PERDIV1_MASK 0x3f | ||
128 | |||
129 | #define CCM_PCCR_HCLK_CSI_OFFSET 31 | ||
130 | #define CCM_PCCR_HCLK_CSI_REG CCM_PCCR0 | ||
131 | #define CCM_PCCR_HCLK_DMA_OFFSET 30 | ||
132 | #define CCM_PCCR_HCLK_DMA_REG CCM_PCCR0 | ||
133 | #define CCM_PCCR_HCLK_BROM_OFFSET 28 | ||
134 | #define CCM_PCCR_HCLK_BROM_REG CCM_PCCR0 | ||
135 | #define CCM_PCCR_HCLK_EMMA_OFFSET 27 | ||
136 | #define CCM_PCCR_HCLK_EMMA_REG CCM_PCCR0 | ||
137 | #define CCM_PCCR_HCLK_LCDC_OFFSET 26 | ||
138 | #define CCM_PCCR_HCLK_LCDC_REG CCM_PCCR0 | ||
139 | #define CCM_PCCR_HCLK_SLCDC_OFFSET 25 | ||
140 | #define CCM_PCCR_HCLK_SLCDC_REG CCM_PCCR0 | ||
141 | #define CCM_PCCR_HCLK_USBOTG_OFFSET 24 | ||
142 | #define CCM_PCCR_HCLK_USBOTG_REG CCM_PCCR0 | ||
143 | #define CCM_PCCR_HCLK_BMI_OFFSET 23 | ||
144 | #define CCM_PCCR_BMI_MASK (1 << CCM_PCCR_BMI_MASK) | ||
145 | #define CCM_PCCR_HCLK_BMI_REG CCM_PCCR0 | ||
146 | #define CCM_PCCR_PERCLK4_OFFSET 22 | ||
147 | #define CCM_PCCR_PERCLK4_REG CCM_PCCR0 | ||
148 | #define CCM_PCCR_SLCDC_OFFSET 21 | ||
149 | #define CCM_PCCR_SLCDC_REG CCM_PCCR0 | ||
150 | #define CCM_PCCR_FIRI_BAUD_OFFSET 20 | ||
151 | #define CCM_PCCR_FIRI_BAUD_MASK (1 << CCM_PCCR_FIRI_BAUD_MASK) | ||
152 | #define CCM_PCCR_FIRI_BAUD_REG CCM_PCCR0 | ||
153 | #define CCM_PCCR_NFC_OFFSET 19 | ||
154 | #define CCM_PCCR_NFC_REG CCM_PCCR0 | ||
155 | #define CCM_PCCR_LCDC_OFFSET 18 | ||
156 | #define CCM_PCCR_LCDC_REG CCM_PCCR0 | ||
157 | #define CCM_PCCR_SSI1_BAUD_OFFSET 17 | ||
158 | #define CCM_PCCR_SSI1_BAUD_REG CCM_PCCR0 | ||
159 | #define CCM_PCCR_SSI2_BAUD_OFFSET 16 | ||
160 | #define CCM_PCCR_SSI2_BAUD_REG CCM_PCCR0 | ||
161 | #define CCM_PCCR_EMMA_OFFSET 15 | ||
162 | #define CCM_PCCR_EMMA_REG CCM_PCCR0 | ||
163 | #define CCM_PCCR_USBOTG_OFFSET 14 | ||
164 | #define CCM_PCCR_USBOTG_REG CCM_PCCR0 | ||
165 | #define CCM_PCCR_DMA_OFFSET 13 | ||
166 | #define CCM_PCCR_DMA_REG CCM_PCCR0 | ||
167 | #define CCM_PCCR_I2C1_OFFSET 12 | ||
168 | #define CCM_PCCR_I2C1_REG CCM_PCCR0 | ||
169 | #define CCM_PCCR_GPIO_OFFSET 11 | ||
170 | #define CCM_PCCR_GPIO_REG CCM_PCCR0 | ||
171 | #define CCM_PCCR_SDHC2_OFFSET 10 | ||
172 | #define CCM_PCCR_SDHC2_REG CCM_PCCR0 | ||
173 | #define CCM_PCCR_SDHC1_OFFSET 9 | ||
174 | #define CCM_PCCR_SDHC1_REG CCM_PCCR0 | ||
175 | #define CCM_PCCR_FIRI_OFFSET 8 | ||
176 | #define CCM_PCCR_FIRI_MASK (1 << CCM_PCCR_BAUD_MASK) | ||
177 | #define CCM_PCCR_FIRI_REG CCM_PCCR0 | ||
178 | #define CCM_PCCR_SSI2_IPG_OFFSET 7 | ||
179 | #define CCM_PCCR_SSI2_REG CCM_PCCR0 | ||
180 | #define CCM_PCCR_SSI1_IPG_OFFSET 6 | ||
181 | #define CCM_PCCR_SSI1_REG CCM_PCCR0 | ||
182 | #define CCM_PCCR_CSPI2_OFFSET 5 | ||
183 | #define CCM_PCCR_CSPI2_REG CCM_PCCR0 | ||
184 | #define CCM_PCCR_CSPI1_OFFSET 4 | ||
185 | #define CCM_PCCR_CSPI1_REG CCM_PCCR0 | ||
186 | #define CCM_PCCR_UART4_OFFSET 3 | ||
187 | #define CCM_PCCR_UART4_REG CCM_PCCR0 | ||
188 | #define CCM_PCCR_UART3_OFFSET 2 | ||
189 | #define CCM_PCCR_UART3_REG CCM_PCCR0 | ||
190 | #define CCM_PCCR_UART2_OFFSET 1 | ||
191 | #define CCM_PCCR_UART2_REG CCM_PCCR0 | ||
192 | #define CCM_PCCR_UART1_OFFSET 0 | ||
193 | #define CCM_PCCR_UART1_REG CCM_PCCR0 | ||
194 | |||
195 | #define CCM_PCCR_OWIRE_OFFSET 31 | ||
196 | #define CCM_PCCR_OWIRE_REG CCM_PCCR1 | ||
197 | #define CCM_PCCR_KPP_OFFSET 30 | ||
198 | #define CCM_PCCR_KPP_REG CCM_PCCR1 | ||
199 | #define CCM_PCCR_RTC_OFFSET 29 | ||
200 | #define CCM_PCCR_RTC_REG CCM_PCCR1 | ||
201 | #define CCM_PCCR_PWM_OFFSET 28 | ||
202 | #define CCM_PCCR_PWM_REG CCM_PCCR1 | ||
203 | #define CCM_PCCR_GPT3_OFFSET 27 | ||
204 | #define CCM_PCCR_GPT3_REG CCM_PCCR1 | ||
205 | #define CCM_PCCR_GPT2_OFFSET 26 | ||
206 | #define CCM_PCCR_GPT2_REG CCM_PCCR1 | ||
207 | #define CCM_PCCR_GPT1_OFFSET 25 | ||
208 | #define CCM_PCCR_GPT1_REG CCM_PCCR1 | ||
209 | #define CCM_PCCR_WDT_OFFSET 24 | ||
210 | #define CCM_PCCR_WDT_REG CCM_PCCR1 | ||
211 | #define CCM_PCCR_CSPI3_OFFSET 23 | ||
212 | #define CCM_PCCR_CSPI3_REG CCM_PCCR1 | ||
213 | |||
214 | #define CCM_PCCR_CSPI1_MASK (1 << CCM_PCCR_CSPI1_OFFSET) | ||
215 | #define CCM_PCCR_CSPI2_MASK (1 << CCM_PCCR_CSPI2_OFFSET) | ||
216 | #define CCM_PCCR_CSPI3_MASK (1 << CCM_PCCR_CSPI3_OFFSET) | ||
217 | #define CCM_PCCR_DMA_MASK (1 << CCM_PCCR_DMA_OFFSET) | ||
218 | #define CCM_PCCR_EMMA_MASK (1 << CCM_PCCR_EMMA_OFFSET) | ||
219 | #define CCM_PCCR_GPIO_MASK (1 << CCM_PCCR_GPIO_OFFSET) | ||
220 | #define CCM_PCCR_GPT1_MASK (1 << CCM_PCCR_GPT1_OFFSET) | ||
221 | #define CCM_PCCR_GPT2_MASK (1 << CCM_PCCR_GPT2_OFFSET) | ||
222 | #define CCM_PCCR_GPT3_MASK (1 << CCM_PCCR_GPT3_OFFSET) | ||
223 | #define CCM_PCCR_HCLK_BROM_MASK (1 << CCM_PCCR_HCLK_BROM_OFFSET) | ||
224 | #define CCM_PCCR_HCLK_CSI_MASK (1 << CCM_PCCR_HCLK_CSI_OFFSET) | ||
225 | #define CCM_PCCR_HCLK_DMA_MASK (1 << CCM_PCCR_HCLK_DMA_OFFSET) | ||
226 | #define CCM_PCCR_HCLK_EMMA_MASK (1 << CCM_PCCR_HCLK_EMMA_OFFSET) | ||
227 | #define CCM_PCCR_HCLK_LCDC_MASK (1 << CCM_PCCR_HCLK_LCDC_OFFSET) | ||
228 | #define CCM_PCCR_HCLK_SLCDC_MASK (1 << CCM_PCCR_HCLK_SLCDC_OFFSET) | ||
229 | #define CCM_PCCR_HCLK_USBOTG_MASK (1 << CCM_PCCR_HCLK_USBOTG_OFFSET) | ||
230 | #define CCM_PCCR_I2C1_MASK (1 << CCM_PCCR_I2C1_OFFSET) | ||
231 | #define CCM_PCCR_KPP_MASK (1 << CCM_PCCR_KPP_OFFSET) | ||
232 | #define CCM_PCCR_LCDC_MASK (1 << CCM_PCCR_LCDC_OFFSET) | ||
233 | #define CCM_PCCR_NFC_MASK (1 << CCM_PCCR_NFC_OFFSET) | ||
234 | #define CCM_PCCR_OWIRE_MASK (1 << CCM_PCCR_OWIRE_OFFSET) | ||
235 | #define CCM_PCCR_PERCLK4_MASK (1 << CCM_PCCR_PERCLK4_OFFSET) | ||
236 | #define CCM_PCCR_PWM_MASK (1 << CCM_PCCR_PWM_OFFSET) | ||
237 | #define CCM_PCCR_RTC_MASK (1 << CCM_PCCR_RTC_OFFSET) | ||
238 | #define CCM_PCCR_SDHC1_MASK (1 << CCM_PCCR_SDHC1_OFFSET) | ||
239 | #define CCM_PCCR_SDHC2_MASK (1 << CCM_PCCR_SDHC2_OFFSET) | ||
240 | #define CCM_PCCR_SLCDC_MASK (1 << CCM_PCCR_SLCDC_OFFSET) | ||
241 | #define CCM_PCCR_SSI1_BAUD_MASK (1 << CCM_PCCR_SSI1_BAUD_OFFSET) | ||
242 | #define CCM_PCCR_SSI1_IPG_MASK (1 << CCM_PCCR_SSI1_IPG_OFFSET) | ||
243 | #define CCM_PCCR_SSI2_BAUD_MASK (1 << CCM_PCCR_SSI2_BAUD_OFFSET) | ||
244 | #define CCM_PCCR_SSI2_IPG_MASK (1 << CCM_PCCR_SSI2_IPG_OFFSET) | ||
245 | #define CCM_PCCR_UART1_MASK (1 << CCM_PCCR_UART1_OFFSET) | ||
246 | #define CCM_PCCR_UART2_MASK (1 << CCM_PCCR_UART2_OFFSET) | ||
247 | #define CCM_PCCR_UART3_MASK (1 << CCM_PCCR_UART3_OFFSET) | ||
248 | #define CCM_PCCR_UART4_MASK (1 << CCM_PCCR_UART4_OFFSET) | ||
249 | #define CCM_PCCR_USBOTG_MASK (1 << CCM_PCCR_USBOTG_OFFSET) | ||
250 | #define CCM_PCCR_WDT_MASK (1 << CCM_PCCR_WDT_OFFSET) | ||
251 | |||
252 | #define CCM_CCSR_32KSR (1 << 15) | ||
253 | |||
254 | #define CCM_CCSR_CLKMODE1 (1 << 9) | ||
255 | #define CCM_CCSR_CLKMODE0 (1 << 8) | ||
256 | |||
257 | #define CCM_CCSR_CLKOSEL_OFFSET 0 | ||
258 | #define CCM_CCSR_CLKOSEL_MASK 0x1f | ||
259 | |||
260 | #define SYS_FMCR 0x14 /* Functional Muxing Control Reg */ | ||
261 | #define SYS_CHIP_ID 0x00 /* The offset of CHIP ID register */ | ||
262 | |||
263 | static int _clk_enable(struct clk *clk) | ||
264 | { | ||
265 | u32 reg; | ||
266 | |||
267 | reg = __raw_readl(clk->enable_reg); | ||
268 | reg |= 1 << clk->enable_shift; | ||
269 | __raw_writel(reg, clk->enable_reg); | ||
270 | return 0; | ||
271 | } | ||
272 | |||
273 | static void _clk_disable(struct clk *clk) | ||
274 | { | ||
275 | u32 reg; | ||
276 | |||
277 | reg = __raw_readl(clk->enable_reg); | ||
278 | reg &= ~(1 << clk->enable_shift); | ||
279 | __raw_writel(reg, clk->enable_reg); | ||
280 | } | ||
281 | |||
282 | static unsigned long _clk_generic_round_rate(struct clk *clk, | ||
283 | unsigned long rate, | ||
284 | u32 max_divisor) | ||
285 | { | ||
286 | u32 div; | ||
287 | unsigned long parent_rate; | ||
288 | |||
289 | parent_rate = clk_get_rate(clk->parent); | ||
290 | |||
291 | div = parent_rate / rate; | ||
292 | if (parent_rate % rate) | ||
293 | div++; | ||
294 | |||
295 | if (div > max_divisor) | ||
296 | div = max_divisor; | ||
297 | |||
298 | return parent_rate / div; | ||
299 | } | ||
300 | |||
301 | static int _clk_spll_enable(struct clk *clk) | ||
302 | { | ||
303 | u32 reg; | ||
304 | |||
305 | reg = __raw_readl(CCM_CSCR); | ||
306 | reg |= CCM_CSCR_SPEN; | ||
307 | __raw_writel(reg, CCM_CSCR); | ||
308 | |||
309 | while ((__raw_readl(CCM_SPCTL1) & CCM_SPCTL1_LF) == 0) | ||
310 | ; | ||
311 | return 0; | ||
312 | } | ||
313 | |||
314 | static void _clk_spll_disable(struct clk *clk) | ||
315 | { | ||
316 | u32 reg; | ||
317 | |||
318 | reg = __raw_readl(CCM_CSCR); | ||
319 | reg &= ~CCM_CSCR_SPEN; | ||
320 | __raw_writel(reg, CCM_CSCR); | ||
321 | } | ||
322 | |||
323 | |||
324 | #define CSCR() (__raw_readl(CCM_CSCR)) | ||
325 | #define PCDR0() (__raw_readl(CCM_PCDR0)) | ||
326 | #define PCDR1() (__raw_readl(CCM_PCDR1)) | ||
327 | |||
328 | static unsigned long _clk_perclkx_round_rate(struct clk *clk, | ||
329 | unsigned long rate) | ||
330 | { | ||
331 | return _clk_generic_round_rate(clk, rate, 64); | ||
332 | } | ||
333 | |||
334 | static int _clk_perclkx_set_rate(struct clk *clk, unsigned long rate) | ||
335 | { | ||
336 | u32 reg; | ||
337 | u32 div; | ||
338 | unsigned long parent_rate; | ||
339 | |||
340 | parent_rate = clk_get_rate(clk->parent); | ||
341 | |||
342 | if (clk->id < 0 || clk->id > 3) | ||
343 | return -EINVAL; | ||
344 | |||
345 | div = parent_rate / rate; | ||
346 | if (div > 64 || div < 1 || ((parent_rate / div) != rate)) | ||
347 | return -EINVAL; | ||
348 | div--; | ||
349 | |||
350 | reg = | ||
351 | __raw_readl(CCM_PCDR1) & ~(CCM_PCDR1_PERDIV1_MASK << | ||
352 | (clk->id << 3)); | ||
353 | reg |= div << (clk->id << 3); | ||
354 | __raw_writel(reg, CCM_PCDR1); | ||
355 | |||
356 | return 0; | ||
357 | } | ||
358 | |||
359 | static unsigned long _clk_usb_recalc(struct clk *clk) | ||
360 | { | ||
361 | unsigned long usb_pdf; | ||
362 | unsigned long parent_rate; | ||
363 | |||
364 | parent_rate = clk_get_rate(clk->parent); | ||
365 | |||
366 | usb_pdf = (CSCR() & CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET; | ||
367 | |||
368 | return parent_rate / (usb_pdf + 1U); | ||
369 | } | ||
370 | |||
371 | static unsigned long _clk_usb_round_rate(struct clk *clk, | ||
372 | unsigned long rate) | ||
373 | { | ||
374 | return _clk_generic_round_rate(clk, rate, 8); | ||
375 | } | ||
376 | |||
377 | static int _clk_usb_set_rate(struct clk *clk, unsigned long rate) | ||
378 | { | ||
379 | u32 reg; | ||
380 | u32 div; | ||
381 | unsigned long parent_rate; | ||
382 | |||
383 | parent_rate = clk_get_rate(clk->parent); | ||
384 | |||
385 | div = parent_rate / rate; | ||
386 | if (div > 8 || div < 1 || ((parent_rate / div) != rate)) | ||
387 | return -EINVAL; | ||
388 | div--; | ||
389 | |||
390 | reg = CSCR() & ~CCM_CSCR_USB_MASK; | ||
391 | reg |= div << CCM_CSCR_USB_OFFSET; | ||
392 | __raw_writel(reg, CCM_CSCR); | ||
393 | |||
394 | return 0; | ||
395 | } | ||
396 | |||
397 | static unsigned long _clk_ssix_recalc(struct clk *clk, unsigned long pdf) | ||
398 | { | ||
399 | unsigned long parent_rate; | ||
400 | |||
401 | parent_rate = clk_get_rate(clk->parent); | ||
402 | |||
403 | pdf = (pdf < 2) ? 124UL : pdf; /* MX21 & MX27 TO1 */ | ||
404 | |||
405 | return 2UL * parent_rate / pdf; | ||
406 | } | ||
407 | |||
408 | static unsigned long _clk_ssi1_recalc(struct clk *clk) | ||
409 | { | ||
410 | return _clk_ssix_recalc(clk, | ||
411 | (PCDR0() & CCM_PCDR0_SSI1BAUDDIV_MASK) | ||
412 | >> CCM_PCDR0_SSI1BAUDDIV_OFFSET); | ||
413 | } | ||
414 | |||
415 | static unsigned long _clk_ssi2_recalc(struct clk *clk) | ||
416 | { | ||
417 | return _clk_ssix_recalc(clk, | ||
418 | (PCDR0() & CCM_PCDR0_SSI2BAUDDIV_MASK) >> | ||
419 | CCM_PCDR0_SSI2BAUDDIV_OFFSET); | ||
420 | } | ||
421 | |||
422 | static unsigned long _clk_nfc_recalc(struct clk *clk) | ||
423 | { | ||
424 | unsigned long nfc_pdf; | ||
425 | unsigned long parent_rate; | ||
426 | |||
427 | parent_rate = clk_get_rate(clk->parent); | ||
428 | |||
429 | nfc_pdf = (PCDR0() & CCM_PCDR0_NFCDIV_MASK) | ||
430 | >> CCM_PCDR0_NFCDIV_OFFSET; | ||
431 | |||
432 | return parent_rate / (nfc_pdf + 1); | ||
433 | } | ||
434 | |||
435 | static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate) | ||
436 | { | ||
437 | return clk->parent->round_rate(clk->parent, rate); | ||
438 | } | ||
439 | |||
440 | static int _clk_parent_set_rate(struct clk *clk, unsigned long rate) | ||
441 | { | ||
442 | return clk->parent->set_rate(clk->parent, rate); | ||
443 | } | ||
444 | |||
445 | static unsigned long external_high_reference; /* in Hz */ | ||
446 | |||
447 | static unsigned long get_high_reference_clock_rate(struct clk *clk) | ||
448 | { | ||
449 | return external_high_reference; | ||
450 | } | ||
451 | |||
452 | /* | ||
453 | * the high frequency external clock reference | ||
454 | * Default case is 26MHz. | ||
455 | */ | ||
456 | static struct clk ckih_clk = { | ||
457 | .get_rate = get_high_reference_clock_rate, | ||
458 | }; | ||
459 | |||
460 | static unsigned long external_low_reference; /* in Hz */ | ||
461 | |||
462 | static unsigned long get_low_reference_clock_rate(struct clk *clk) | ||
463 | { | ||
464 | return external_low_reference; | ||
465 | } | ||
466 | |||
467 | /* | ||
468 | * the low frequency external clock reference | ||
469 | * Default case is 32.768kHz. | ||
470 | */ | ||
471 | static struct clk ckil_clk = { | ||
472 | .get_rate = get_low_reference_clock_rate, | ||
473 | }; | ||
474 | |||
475 | |||
476 | static unsigned long _clk_fpm_recalc(struct clk *clk) | ||
477 | { | ||
478 | return clk_get_rate(clk->parent) * 512; | ||
479 | } | ||
480 | |||
481 | /* Output of frequency pre multiplier */ | ||
482 | static struct clk fpm_clk = { | ||
483 | .parent = &ckil_clk, | ||
484 | .get_rate = _clk_fpm_recalc, | ||
485 | }; | ||
486 | |||
487 | static unsigned long get_mpll_clk(struct clk *clk) | ||
488 | { | ||
489 | uint32_t reg; | ||
490 | unsigned long ref_clk; | ||
491 | unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0; | ||
492 | unsigned long long temp; | ||
493 | |||
494 | ref_clk = clk_get_rate(clk->parent); | ||
495 | |||
496 | reg = __raw_readl(CCM_MPCTL0); | ||
497 | pdf = (reg & CCM_MPCTL0_PD_MASK) >> CCM_MPCTL0_PD_OFFSET; | ||
498 | mfd = (reg & CCM_MPCTL0_MFD_MASK) >> CCM_MPCTL0_MFD_OFFSET; | ||
499 | mfi = (reg & CCM_MPCTL0_MFI_MASK) >> CCM_MPCTL0_MFI_OFFSET; | ||
500 | mfn = (reg & CCM_MPCTL0_MFN_MASK) >> CCM_MPCTL0_MFN_OFFSET; | ||
501 | |||
502 | mfi = (mfi <= 5) ? 5 : mfi; | ||
503 | temp = 2LL * ref_clk * mfn; | ||
504 | do_div(temp, mfd + 1); | ||
505 | temp = 2LL * ref_clk * mfi + temp; | ||
506 | do_div(temp, pdf + 1); | ||
507 | |||
508 | return (unsigned long)temp; | ||
509 | } | ||
510 | |||
511 | static struct clk mpll_clk = { | ||
512 | .parent = &ckih_clk, | ||
513 | .get_rate = get_mpll_clk, | ||
514 | }; | ||
515 | |||
516 | static unsigned long _clk_fclk_get_rate(struct clk *clk) | ||
517 | { | ||
518 | unsigned long parent_rate; | ||
519 | u32 div; | ||
520 | |||
521 | div = (CSCR() & CCM_CSCR_PRESC_MASK) >> CCM_CSCR_PRESC_OFFSET; | ||
522 | parent_rate = clk_get_rate(clk->parent); | ||
523 | |||
524 | return parent_rate / (div+1); | ||
525 | } | ||
526 | |||
527 | static struct clk fclk_clk = { | ||
528 | .parent = &mpll_clk, | ||
529 | .get_rate = _clk_fclk_get_rate | ||
530 | }; | ||
531 | |||
532 | static unsigned long get_spll_clk(struct clk *clk) | ||
533 | { | ||
534 | uint32_t reg; | ||
535 | unsigned long ref_clk; | ||
536 | unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0; | ||
537 | unsigned long long temp; | ||
538 | |||
539 | ref_clk = clk_get_rate(clk->parent); | ||
540 | |||
541 | reg = __raw_readl(CCM_SPCTL0); | ||
542 | pdf = (reg & CCM_SPCTL0_PD_MASK) >> CCM_SPCTL0_PD_OFFSET; | ||
543 | mfd = (reg & CCM_SPCTL0_MFD_MASK) >> CCM_SPCTL0_MFD_OFFSET; | ||
544 | mfi = (reg & CCM_SPCTL0_MFI_MASK) >> CCM_SPCTL0_MFI_OFFSET; | ||
545 | mfn = (reg & CCM_SPCTL0_MFN_MASK) >> CCM_SPCTL0_MFN_OFFSET; | ||
546 | |||
547 | mfi = (mfi <= 5) ? 5 : mfi; | ||
548 | temp = 2LL * ref_clk * mfn; | ||
549 | do_div(temp, mfd + 1); | ||
550 | temp = 2LL * ref_clk * mfi + temp; | ||
551 | do_div(temp, pdf + 1); | ||
552 | |||
553 | return (unsigned long)temp; | ||
554 | } | ||
555 | |||
556 | static struct clk spll_clk = { | ||
557 | .parent = &ckih_clk, | ||
558 | .get_rate = get_spll_clk, | ||
559 | .enable = _clk_spll_enable, | ||
560 | .disable = _clk_spll_disable, | ||
561 | }; | ||
562 | |||
563 | static unsigned long get_hclk_clk(struct clk *clk) | ||
564 | { | ||
565 | unsigned long rate; | ||
566 | unsigned long bclk_pdf; | ||
567 | |||
568 | bclk_pdf = (CSCR() & CCM_CSCR_BCLK_MASK) | ||
569 | >> CCM_CSCR_BCLK_OFFSET; | ||
570 | |||
571 | rate = clk_get_rate(clk->parent); | ||
572 | return rate / (bclk_pdf + 1); | ||
573 | } | ||
574 | |||
575 | static struct clk hclk_clk = { | ||
576 | .parent = &fclk_clk, | ||
577 | .get_rate = get_hclk_clk, | ||
578 | }; | ||
579 | |||
580 | static unsigned long get_ipg_clk(struct clk *clk) | ||
581 | { | ||
582 | unsigned long rate; | ||
583 | unsigned long ipg_pdf; | ||
584 | |||
585 | ipg_pdf = (CSCR() & CCM_CSCR_IPDIV) >> CCM_CSCR_IPDIV_OFFSET; | ||
586 | |||
587 | rate = clk_get_rate(clk->parent); | ||
588 | return rate / (ipg_pdf + 1); | ||
589 | } | ||
590 | |||
591 | static struct clk ipg_clk = { | ||
592 | .parent = &hclk_clk, | ||
593 | .get_rate = get_ipg_clk, | ||
594 | }; | ||
595 | |||
596 | static unsigned long _clk_perclkx_recalc(struct clk *clk) | ||
597 | { | ||
598 | unsigned long perclk_pdf; | ||
599 | unsigned long parent_rate; | ||
600 | |||
601 | parent_rate = clk_get_rate(clk->parent); | ||
602 | |||
603 | if (clk->id < 0 || clk->id > 3) | ||
604 | return 0; | ||
605 | |||
606 | perclk_pdf = (PCDR1() >> (clk->id << 3)) & CCM_PCDR1_PERDIV1_MASK; | ||
607 | |||
608 | return parent_rate / (perclk_pdf + 1); | ||
609 | } | ||
610 | |||
611 | static struct clk per_clk[] = { | ||
612 | { | ||
613 | .id = 0, | ||
614 | .parent = &mpll_clk, | ||
615 | .get_rate = _clk_perclkx_recalc, | ||
616 | }, { | ||
617 | .id = 1, | ||
618 | .parent = &mpll_clk, | ||
619 | .get_rate = _clk_perclkx_recalc, | ||
620 | }, { | ||
621 | .id = 2, | ||
622 | .parent = &mpll_clk, | ||
623 | .round_rate = _clk_perclkx_round_rate, | ||
624 | .set_rate = _clk_perclkx_set_rate, | ||
625 | .get_rate = _clk_perclkx_recalc, | ||
626 | /* Enable/Disable done via lcd_clkc[1] */ | ||
627 | }, { | ||
628 | .id = 3, | ||
629 | .parent = &mpll_clk, | ||
630 | .round_rate = _clk_perclkx_round_rate, | ||
631 | .set_rate = _clk_perclkx_set_rate, | ||
632 | .get_rate = _clk_perclkx_recalc, | ||
633 | /* Enable/Disable done via csi_clk[1] */ | ||
634 | }, | ||
635 | }; | ||
636 | |||
637 | static struct clk uart_ipg_clk[]; | ||
638 | |||
639 | static struct clk uart_clk[] = { | ||
640 | { | ||
641 | .id = 0, | ||
642 | .parent = &per_clk[0], | ||
643 | .secondary = &uart_ipg_clk[0], | ||
644 | }, { | ||
645 | .id = 1, | ||
646 | .parent = &per_clk[0], | ||
647 | .secondary = &uart_ipg_clk[1], | ||
648 | }, { | ||
649 | .id = 2, | ||
650 | .parent = &per_clk[0], | ||
651 | .secondary = &uart_ipg_clk[2], | ||
652 | }, { | ||
653 | .id = 3, | ||
654 | .parent = &per_clk[0], | ||
655 | .secondary = &uart_ipg_clk[3], | ||
656 | }, | ||
657 | }; | ||
658 | |||
659 | static struct clk uart_ipg_clk[] = { | ||
660 | { | ||
661 | .id = 0, | ||
662 | .parent = &ipg_clk, | ||
663 | .enable = _clk_enable, | ||
664 | .enable_reg = CCM_PCCR_UART1_REG, | ||
665 | .enable_shift = CCM_PCCR_UART1_OFFSET, | ||
666 | .disable = _clk_disable, | ||
667 | }, { | ||
668 | .id = 1, | ||
669 | .parent = &ipg_clk, | ||
670 | .enable = _clk_enable, | ||
671 | .enable_reg = CCM_PCCR_UART2_REG, | ||
672 | .enable_shift = CCM_PCCR_UART2_OFFSET, | ||
673 | .disable = _clk_disable, | ||
674 | }, { | ||
675 | .id = 2, | ||
676 | .parent = &ipg_clk, | ||
677 | .enable = _clk_enable, | ||
678 | .enable_reg = CCM_PCCR_UART3_REG, | ||
679 | .enable_shift = CCM_PCCR_UART3_OFFSET, | ||
680 | .disable = _clk_disable, | ||
681 | }, { | ||
682 | .id = 3, | ||
683 | .parent = &ipg_clk, | ||
684 | .enable = _clk_enable, | ||
685 | .enable_reg = CCM_PCCR_UART4_REG, | ||
686 | .enable_shift = CCM_PCCR_UART4_OFFSET, | ||
687 | .disable = _clk_disable, | ||
688 | }, | ||
689 | }; | ||
690 | |||
691 | static struct clk gpt_ipg_clk[]; | ||
692 | |||
693 | static struct clk gpt_clk[] = { | ||
694 | { | ||
695 | .id = 0, | ||
696 | .parent = &per_clk[0], | ||
697 | .secondary = &gpt_ipg_clk[0], | ||
698 | }, { | ||
699 | .id = 1, | ||
700 | .parent = &per_clk[0], | ||
701 | .secondary = &gpt_ipg_clk[1], | ||
702 | }, { | ||
703 | .id = 2, | ||
704 | .parent = &per_clk[0], | ||
705 | .secondary = &gpt_ipg_clk[2], | ||
706 | }, | ||
707 | }; | ||
708 | |||
709 | static struct clk gpt_ipg_clk[] = { | ||
710 | { | ||
711 | .id = 0, | ||
712 | .parent = &ipg_clk, | ||
713 | .enable = _clk_enable, | ||
714 | .enable_reg = CCM_PCCR_GPT1_REG, | ||
715 | .enable_shift = CCM_PCCR_GPT1_OFFSET, | ||
716 | .disable = _clk_disable, | ||
717 | }, { | ||
718 | .id = 1, | ||
719 | .parent = &ipg_clk, | ||
720 | .enable = _clk_enable, | ||
721 | .enable_reg = CCM_PCCR_GPT2_REG, | ||
722 | .enable_shift = CCM_PCCR_GPT2_OFFSET, | ||
723 | .disable = _clk_disable, | ||
724 | }, { | ||
725 | .id = 2, | ||
726 | .parent = &ipg_clk, | ||
727 | .enable = _clk_enable, | ||
728 | .enable_reg = CCM_PCCR_GPT3_REG, | ||
729 | .enable_shift = CCM_PCCR_GPT3_OFFSET, | ||
730 | .disable = _clk_disable, | ||
731 | }, | ||
732 | }; | ||
733 | |||
734 | static struct clk pwm_clk[] = { | ||
735 | { | ||
736 | .parent = &per_clk[0], | ||
737 | .secondary = &pwm_clk[1], | ||
738 | }, { | ||
739 | .parent = &ipg_clk, | ||
740 | .enable = _clk_enable, | ||
741 | .enable_reg = CCM_PCCR_PWM_REG, | ||
742 | .enable_shift = CCM_PCCR_PWM_OFFSET, | ||
743 | .disable = _clk_disable, | ||
744 | }, | ||
745 | }; | ||
746 | |||
747 | static struct clk sdhc_ipg_clk[]; | ||
748 | |||
749 | static struct clk sdhc_clk[] = { | ||
750 | { | ||
751 | .id = 0, | ||
752 | .parent = &per_clk[1], | ||
753 | .secondary = &sdhc_ipg_clk[0], | ||
754 | }, { | ||
755 | .id = 1, | ||
756 | .parent = &per_clk[1], | ||
757 | .secondary = &sdhc_ipg_clk[1], | ||
758 | }, | ||
759 | }; | ||
760 | |||
761 | static struct clk sdhc_ipg_clk[] = { | ||
762 | { | ||
763 | .id = 0, | ||
764 | .parent = &ipg_clk, | ||
765 | .enable = _clk_enable, | ||
766 | .enable_reg = CCM_PCCR_SDHC1_REG, | ||
767 | .enable_shift = CCM_PCCR_SDHC1_OFFSET, | ||
768 | .disable = _clk_disable, | ||
769 | }, { | ||
770 | .id = 1, | ||
771 | .parent = &ipg_clk, | ||
772 | .enable = _clk_enable, | ||
773 | .enable_reg = CCM_PCCR_SDHC2_REG, | ||
774 | .enable_shift = CCM_PCCR_SDHC2_OFFSET, | ||
775 | .disable = _clk_disable, | ||
776 | }, | ||
777 | }; | ||
778 | |||
779 | static struct clk cspi_ipg_clk[]; | ||
780 | |||
781 | static struct clk cspi_clk[] = { | ||
782 | { | ||
783 | .id = 0, | ||
784 | .parent = &per_clk[1], | ||
785 | .secondary = &cspi_ipg_clk[0], | ||
786 | }, { | ||
787 | .id = 1, | ||
788 | .parent = &per_clk[1], | ||
789 | .secondary = &cspi_ipg_clk[1], | ||
790 | }, { | ||
791 | .id = 2, | ||
792 | .parent = &per_clk[1], | ||
793 | .secondary = &cspi_ipg_clk[2], | ||
794 | }, | ||
795 | }; | ||
796 | |||
797 | static struct clk cspi_ipg_clk[] = { | ||
798 | { | ||
799 | .id = 0, | ||
800 | .parent = &ipg_clk, | ||
801 | .enable = _clk_enable, | ||
802 | .enable_reg = CCM_PCCR_CSPI1_REG, | ||
803 | .enable_shift = CCM_PCCR_CSPI1_OFFSET, | ||
804 | .disable = _clk_disable, | ||
805 | }, { | ||
806 | .id = 1, | ||
807 | .parent = &ipg_clk, | ||
808 | .enable = _clk_enable, | ||
809 | .enable_reg = CCM_PCCR_CSPI2_REG, | ||
810 | .enable_shift = CCM_PCCR_CSPI2_OFFSET, | ||
811 | .disable = _clk_disable, | ||
812 | }, { | ||
813 | .id = 3, | ||
814 | .parent = &ipg_clk, | ||
815 | .enable = _clk_enable, | ||
816 | .enable_reg = CCM_PCCR_CSPI3_REG, | ||
817 | .enable_shift = CCM_PCCR_CSPI3_OFFSET, | ||
818 | .disable = _clk_disable, | ||
819 | }, | ||
820 | }; | ||
821 | |||
822 | static struct clk lcdc_clk[] = { | ||
823 | { | ||
824 | .parent = &per_clk[2], | ||
825 | .secondary = &lcdc_clk[1], | ||
826 | .round_rate = _clk_parent_round_rate, | ||
827 | .set_rate = _clk_parent_set_rate, | ||
828 | }, { | ||
829 | .parent = &ipg_clk, | ||
830 | .secondary = &lcdc_clk[2], | ||
831 | .enable = _clk_enable, | ||
832 | .enable_reg = CCM_PCCR_LCDC_REG, | ||
833 | .enable_shift = CCM_PCCR_LCDC_OFFSET, | ||
834 | .disable = _clk_disable, | ||
835 | }, { | ||
836 | .parent = &hclk_clk, | ||
837 | .enable = _clk_enable, | ||
838 | .enable_reg = CCM_PCCR_HCLK_LCDC_REG, | ||
839 | .enable_shift = CCM_PCCR_HCLK_LCDC_OFFSET, | ||
840 | .disable = _clk_disable, | ||
841 | }, | ||
842 | }; | ||
843 | |||
844 | static struct clk csi_clk[] = { | ||
845 | { | ||
846 | .parent = &per_clk[3], | ||
847 | .secondary = &csi_clk[1], | ||
848 | .round_rate = _clk_parent_round_rate, | ||
849 | .set_rate = _clk_parent_set_rate, | ||
850 | }, { | ||
851 | .parent = &hclk_clk, | ||
852 | .enable = _clk_enable, | ||
853 | .enable_reg = CCM_PCCR_HCLK_CSI_REG, | ||
854 | .enable_shift = CCM_PCCR_HCLK_CSI_OFFSET, | ||
855 | .disable = _clk_disable, | ||
856 | }, | ||
857 | }; | ||
858 | |||
859 | static struct clk usb_clk[] = { | ||
860 | { | ||
861 | .parent = &spll_clk, | ||
862 | .secondary = &usb_clk[1], | ||
863 | .get_rate = _clk_usb_recalc, | ||
864 | .enable = _clk_enable, | ||
865 | .enable_reg = CCM_PCCR_USBOTG_REG, | ||
866 | .enable_shift = CCM_PCCR_USBOTG_OFFSET, | ||
867 | .disable = _clk_disable, | ||
868 | .round_rate = _clk_usb_round_rate, | ||
869 | .set_rate = _clk_usb_set_rate, | ||
870 | }, { | ||
871 | .parent = &hclk_clk, | ||
872 | .enable = _clk_enable, | ||
873 | .enable_reg = CCM_PCCR_HCLK_USBOTG_REG, | ||
874 | .enable_shift = CCM_PCCR_HCLK_USBOTG_OFFSET, | ||
875 | .disable = _clk_disable, | ||
876 | } | ||
877 | }; | ||
878 | |||
879 | static struct clk ssi_ipg_clk[]; | ||
880 | |||
881 | static struct clk ssi_clk[] = { | ||
882 | { | ||
883 | .id = 0, | ||
884 | .parent = &mpll_clk, | ||
885 | .secondary = &ssi_ipg_clk[0], | ||
886 | .get_rate = _clk_ssi1_recalc, | ||
887 | .enable = _clk_enable, | ||
888 | .enable_reg = CCM_PCCR_SSI1_BAUD_REG, | ||
889 | .enable_shift = CCM_PCCR_SSI1_BAUD_OFFSET, | ||
890 | .disable = _clk_disable, | ||
891 | }, { | ||
892 | .id = 1, | ||
893 | .parent = &mpll_clk, | ||
894 | .secondary = &ssi_ipg_clk[1], | ||
895 | .get_rate = _clk_ssi2_recalc, | ||
896 | .enable = _clk_enable, | ||
897 | .enable_reg = CCM_PCCR_SSI2_BAUD_REG, | ||
898 | .enable_shift = CCM_PCCR_SSI2_BAUD_OFFSET, | ||
899 | .disable = _clk_disable, | ||
900 | }, | ||
901 | }; | ||
902 | |||
903 | static struct clk ssi_ipg_clk[] = { | ||
904 | { | ||
905 | .id = 0, | ||
906 | .parent = &ipg_clk, | ||
907 | .enable = _clk_enable, | ||
908 | .enable_reg = CCM_PCCR_SSI1_REG, | ||
909 | .enable_shift = CCM_PCCR_SSI1_IPG_OFFSET, | ||
910 | .disable = _clk_disable, | ||
911 | }, { | ||
912 | .id = 1, | ||
913 | .parent = &ipg_clk, | ||
914 | .enable = _clk_enable, | ||
915 | .enable_reg = CCM_PCCR_SSI2_REG, | ||
916 | .enable_shift = CCM_PCCR_SSI2_IPG_OFFSET, | ||
917 | .disable = _clk_disable, | ||
918 | }, | ||
919 | }; | ||
920 | |||
921 | |||
922 | static struct clk nfc_clk = { | ||
923 | .parent = &fclk_clk, | ||
924 | .get_rate = _clk_nfc_recalc, | ||
925 | .enable = _clk_enable, | ||
926 | .enable_reg = CCM_PCCR_NFC_REG, | ||
927 | .enable_shift = CCM_PCCR_NFC_OFFSET, | ||
928 | .disable = _clk_disable, | ||
929 | }; | ||
930 | |||
931 | static struct clk dma_clk[] = { | ||
932 | { | ||
933 | .parent = &hclk_clk, | ||
934 | .enable = _clk_enable, | ||
935 | .enable_reg = CCM_PCCR_DMA_REG, | ||
936 | .enable_shift = CCM_PCCR_DMA_OFFSET, | ||
937 | .disable = _clk_disable, | ||
938 | .secondary = &dma_clk[1], | ||
939 | }, { | ||
940 | .enable = _clk_enable, | ||
941 | .enable_reg = CCM_PCCR_HCLK_DMA_REG, | ||
942 | .enable_shift = CCM_PCCR_HCLK_DMA_OFFSET, | ||
943 | .disable = _clk_disable, | ||
944 | }, | ||
945 | }; | ||
946 | |||
947 | static struct clk brom_clk = { | ||
948 | .parent = &hclk_clk, | ||
949 | .enable = _clk_enable, | ||
950 | .enable_reg = CCM_PCCR_HCLK_BROM_REG, | ||
951 | .enable_shift = CCM_PCCR_HCLK_BROM_OFFSET, | ||
952 | .disable = _clk_disable, | ||
953 | }; | ||
954 | |||
955 | static struct clk emma_clk[] = { | ||
956 | { | ||
957 | .parent = &hclk_clk, | ||
958 | .enable = _clk_enable, | ||
959 | .enable_reg = CCM_PCCR_EMMA_REG, | ||
960 | .enable_shift = CCM_PCCR_EMMA_OFFSET, | ||
961 | .disable = _clk_disable, | ||
962 | .secondary = &emma_clk[1], | ||
963 | }, { | ||
964 | .enable = _clk_enable, | ||
965 | .enable_reg = CCM_PCCR_HCLK_EMMA_REG, | ||
966 | .enable_shift = CCM_PCCR_HCLK_EMMA_OFFSET, | ||
967 | .disable = _clk_disable, | ||
968 | } | ||
969 | }; | ||
970 | |||
971 | static struct clk slcdc_clk[] = { | ||
972 | { | ||
973 | .parent = &hclk_clk, | ||
974 | .enable = _clk_enable, | ||
975 | .enable_reg = CCM_PCCR_SLCDC_REG, | ||
976 | .enable_shift = CCM_PCCR_SLCDC_OFFSET, | ||
977 | .disable = _clk_disable, | ||
978 | .secondary = &slcdc_clk[1], | ||
979 | }, { | ||
980 | .enable = _clk_enable, | ||
981 | .enable_reg = CCM_PCCR_HCLK_SLCDC_REG, | ||
982 | .enable_shift = CCM_PCCR_HCLK_SLCDC_OFFSET, | ||
983 | .disable = _clk_disable, | ||
984 | } | ||
985 | }; | ||
986 | |||
987 | static struct clk wdog_clk = { | ||
988 | .parent = &ipg_clk, | ||
989 | .enable = _clk_enable, | ||
990 | .enable_reg = CCM_PCCR_WDT_REG, | ||
991 | .enable_shift = CCM_PCCR_WDT_OFFSET, | ||
992 | .disable = _clk_disable, | ||
993 | }; | ||
994 | |||
995 | static struct clk gpio_clk = { | ||
996 | .parent = &ipg_clk, | ||
997 | .enable = _clk_enable, | ||
998 | .enable_reg = CCM_PCCR_GPIO_REG, | ||
999 | .enable_shift = CCM_PCCR_GPIO_OFFSET, | ||
1000 | .disable = _clk_disable, | ||
1001 | }; | ||
1002 | |||
1003 | static struct clk i2c_clk = { | ||
1004 | .id = 0, | ||
1005 | .parent = &ipg_clk, | ||
1006 | .enable = _clk_enable, | ||
1007 | .enable_reg = CCM_PCCR_I2C1_REG, | ||
1008 | .enable_shift = CCM_PCCR_I2C1_OFFSET, | ||
1009 | .disable = _clk_disable, | ||
1010 | }; | ||
1011 | |||
1012 | static struct clk kpp_clk = { | ||
1013 | .parent = &ipg_clk, | ||
1014 | .enable = _clk_enable, | ||
1015 | .enable_reg = CCM_PCCR_KPP_REG, | ||
1016 | .enable_shift = CCM_PCCR_KPP_OFFSET, | ||
1017 | .disable = _clk_disable, | ||
1018 | }; | ||
1019 | |||
1020 | static struct clk owire_clk = { | ||
1021 | .parent = &ipg_clk, | ||
1022 | .enable = _clk_enable, | ||
1023 | .enable_reg = CCM_PCCR_OWIRE_REG, | ||
1024 | .enable_shift = CCM_PCCR_OWIRE_OFFSET, | ||
1025 | .disable = _clk_disable, | ||
1026 | }; | ||
1027 | |||
1028 | static struct clk rtc_clk = { | ||
1029 | .parent = &ipg_clk, | ||
1030 | .enable = _clk_enable, | ||
1031 | .enable_reg = CCM_PCCR_RTC_REG, | ||
1032 | .enable_shift = CCM_PCCR_RTC_OFFSET, | ||
1033 | .disable = _clk_disable, | ||
1034 | }; | ||
1035 | |||
1036 | static unsigned long _clk_clko_round_rate(struct clk *clk, unsigned long rate) | ||
1037 | { | ||
1038 | return _clk_generic_round_rate(clk, rate, 8); | ||
1039 | } | ||
1040 | |||
1041 | static int _clk_clko_set_rate(struct clk *clk, unsigned long rate) | ||
1042 | { | ||
1043 | u32 reg; | ||
1044 | u32 div; | ||
1045 | unsigned long parent_rate; | ||
1046 | |||
1047 | parent_rate = clk_get_rate(clk->parent); | ||
1048 | |||
1049 | div = parent_rate / rate; | ||
1050 | |||
1051 | if (div > 8 || div < 1 || ((parent_rate / div) != rate)) | ||
1052 | return -EINVAL; | ||
1053 | div--; | ||
1054 | |||
1055 | reg = __raw_readl(CCM_PCDR0); | ||
1056 | |||
1057 | if (clk->parent == &usb_clk[0]) { | ||
1058 | reg &= ~CCM_PCDR0_48MDIV_MASK; | ||
1059 | reg |= div << CCM_PCDR0_48MDIV_OFFSET; | ||
1060 | } | ||
1061 | __raw_writel(reg, CCM_PCDR0); | ||
1062 | |||
1063 | return 0; | ||
1064 | } | ||
1065 | |||
1066 | static unsigned long _clk_clko_recalc(struct clk *clk) | ||
1067 | { | ||
1068 | u32 div = 0; | ||
1069 | unsigned long parent_rate; | ||
1070 | |||
1071 | parent_rate = clk_get_rate(clk->parent); | ||
1072 | |||
1073 | if (clk->parent == &usb_clk[0]) /* 48M */ | ||
1074 | div = __raw_readl(CCM_PCDR0) & CCM_PCDR0_48MDIV_MASK | ||
1075 | >> CCM_PCDR0_48MDIV_OFFSET; | ||
1076 | div++; | ||
1077 | |||
1078 | return parent_rate / div; | ||
1079 | } | ||
1080 | |||
1081 | static struct clk clko_clk; | ||
1082 | |||
1083 | static int _clk_clko_set_parent(struct clk *clk, struct clk *parent) | ||
1084 | { | ||
1085 | u32 reg; | ||
1086 | |||
1087 | reg = __raw_readl(CCM_CCSR) & ~CCM_CCSR_CLKOSEL_MASK; | ||
1088 | |||
1089 | if (parent == &ckil_clk) | ||
1090 | reg |= 0 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1091 | else if (parent == &fpm_clk) | ||
1092 | reg |= 1 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1093 | else if (parent == &ckih_clk) | ||
1094 | reg |= 2 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1095 | else if (parent == mpll_clk.parent) | ||
1096 | reg |= 3 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1097 | else if (parent == spll_clk.parent) | ||
1098 | reg |= 4 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1099 | else if (parent == &mpll_clk) | ||
1100 | reg |= 5 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1101 | else if (parent == &spll_clk) | ||
1102 | reg |= 6 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1103 | else if (parent == &fclk_clk) | ||
1104 | reg |= 7 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1105 | else if (parent == &hclk_clk) | ||
1106 | reg |= 8 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1107 | else if (parent == &ipg_clk) | ||
1108 | reg |= 9 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1109 | else if (parent == &per_clk[0]) | ||
1110 | reg |= 0xA << CCM_CCSR_CLKOSEL_OFFSET; | ||
1111 | else if (parent == &per_clk[1]) | ||
1112 | reg |= 0xB << CCM_CCSR_CLKOSEL_OFFSET; | ||
1113 | else if (parent == &per_clk[2]) | ||
1114 | reg |= 0xC << CCM_CCSR_CLKOSEL_OFFSET; | ||
1115 | else if (parent == &per_clk[3]) | ||
1116 | reg |= 0xD << CCM_CCSR_CLKOSEL_OFFSET; | ||
1117 | else if (parent == &ssi_clk[0]) | ||
1118 | reg |= 0xE << CCM_CCSR_CLKOSEL_OFFSET; | ||
1119 | else if (parent == &ssi_clk[1]) | ||
1120 | reg |= 0xF << CCM_CCSR_CLKOSEL_OFFSET; | ||
1121 | else if (parent == &nfc_clk) | ||
1122 | reg |= 0x10 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1123 | else if (parent == &usb_clk[0]) | ||
1124 | reg |= 0x14 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1125 | else if (parent == &clko_clk) | ||
1126 | reg |= 0x15 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1127 | else | ||
1128 | return -EINVAL; | ||
1129 | |||
1130 | __raw_writel(reg, CCM_CCSR); | ||
1131 | |||
1132 | return 0; | ||
1133 | } | ||
1134 | |||
1135 | static struct clk clko_clk = { | ||
1136 | .get_rate = _clk_clko_recalc, | ||
1137 | .set_rate = _clk_clko_set_rate, | ||
1138 | .round_rate = _clk_clko_round_rate, | ||
1139 | .set_parent = _clk_clko_set_parent, | ||
1140 | }; | ||
1141 | |||
1142 | |||
1143 | #define _REGISTER_CLOCK(d, n, c) \ | ||
1144 | { \ | ||
1145 | .dev_id = d, \ | ||
1146 | .con_id = n, \ | ||
1147 | .clk = &c, \ | ||
1148 | }, | ||
1149 | static struct clk_lookup lookups[] = { | ||
1150 | /* It's unlikely that any driver wants one of them directly: | ||
1151 | _REGISTER_CLOCK(NULL, "ckih", ckih_clk) | ||
1152 | _REGISTER_CLOCK(NULL, "ckil", ckil_clk) | ||
1153 | _REGISTER_CLOCK(NULL, "fpm", fpm_clk) | ||
1154 | _REGISTER_CLOCK(NULL, "mpll", mpll_clk) | ||
1155 | _REGISTER_CLOCK(NULL, "spll", spll_clk) | ||
1156 | _REGISTER_CLOCK(NULL, "fclk", fclk_clk) | ||
1157 | _REGISTER_CLOCK(NULL, "hclk", hclk_clk) | ||
1158 | _REGISTER_CLOCK(NULL, "ipg", ipg_clk) | ||
1159 | */ | ||
1160 | _REGISTER_CLOCK(NULL, "perclk1", per_clk[0]) | ||
1161 | _REGISTER_CLOCK(NULL, "perclk2", per_clk[1]) | ||
1162 | _REGISTER_CLOCK(NULL, "perclk3", per_clk[2]) | ||
1163 | _REGISTER_CLOCK(NULL, "perclk4", per_clk[3]) | ||
1164 | _REGISTER_CLOCK(NULL, "clko", clko_clk) | ||
1165 | _REGISTER_CLOCK("imx21-uart.0", NULL, uart_clk[0]) | ||
1166 | _REGISTER_CLOCK("imx21-uart.1", NULL, uart_clk[1]) | ||
1167 | _REGISTER_CLOCK("imx21-uart.2", NULL, uart_clk[2]) | ||
1168 | _REGISTER_CLOCK("imx21-uart.3", NULL, uart_clk[3]) | ||
1169 | _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[0]) | ||
1170 | _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[1]) | ||
1171 | _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[2]) | ||
1172 | _REGISTER_CLOCK(NULL, "pwm", pwm_clk[0]) | ||
1173 | _REGISTER_CLOCK(NULL, "sdhc1", sdhc_clk[0]) | ||
1174 | _REGISTER_CLOCK(NULL, "sdhc2", sdhc_clk[1]) | ||
1175 | _REGISTER_CLOCK("imx21-cspi.0", NULL, cspi_clk[0]) | ||
1176 | _REGISTER_CLOCK("imx21-cspi.1", NULL, cspi_clk[1]) | ||
1177 | _REGISTER_CLOCK("imx21-cspi.2", NULL, cspi_clk[2]) | ||
1178 | _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk[0]) | ||
1179 | _REGISTER_CLOCK(NULL, "csi", csi_clk[0]) | ||
1180 | _REGISTER_CLOCK("imx21-hcd.0", NULL, usb_clk[0]) | ||
1181 | _REGISTER_CLOCK(NULL, "ssi1", ssi_clk[0]) | ||
1182 | _REGISTER_CLOCK(NULL, "ssi2", ssi_clk[1]) | ||
1183 | _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) | ||
1184 | _REGISTER_CLOCK(NULL, "dma", dma_clk[0]) | ||
1185 | _REGISTER_CLOCK(NULL, "brom", brom_clk) | ||
1186 | _REGISTER_CLOCK(NULL, "emma", emma_clk[0]) | ||
1187 | _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk[0]) | ||
1188 | _REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk) | ||
1189 | _REGISTER_CLOCK(NULL, "gpio", gpio_clk) | ||
1190 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) | ||
1191 | _REGISTER_CLOCK("mxc-keypad", NULL, kpp_clk) | ||
1192 | _REGISTER_CLOCK(NULL, "owire", owire_clk) | ||
1193 | _REGISTER_CLOCK(NULL, "rtc", rtc_clk) | ||
1194 | }; | ||
1195 | |||
1196 | /* | ||
1197 | * must be called very early to get information about the | ||
1198 | * available clock rate when the timer framework starts | ||
1199 | */ | ||
1200 | int __init mx21_clocks_init(unsigned long lref, unsigned long href) | ||
1201 | { | ||
1202 | u32 cscr; | ||
1203 | |||
1204 | external_low_reference = lref; | ||
1205 | external_high_reference = href; | ||
1206 | |||
1207 | /* detect clock reference for both system PLL */ | ||
1208 | cscr = CSCR(); | ||
1209 | if (cscr & CCM_CSCR_MCU) | ||
1210 | mpll_clk.parent = &ckih_clk; | ||
1211 | else | ||
1212 | mpll_clk.parent = &fpm_clk; | ||
1213 | |||
1214 | if (cscr & CCM_CSCR_SP) | ||
1215 | spll_clk.parent = &ckih_clk; | ||
1216 | else | ||
1217 | spll_clk.parent = &fpm_clk; | ||
1218 | |||
1219 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
1220 | |||
1221 | /* Turn off all clock gates */ | ||
1222 | __raw_writel(0, CCM_PCCR0); | ||
1223 | __raw_writel(CCM_PCCR_GPT1_MASK, CCM_PCCR1); | ||
1224 | |||
1225 | /* This turns of the serial PLL as well */ | ||
1226 | spll_clk.disable(&spll_clk); | ||
1227 | |||
1228 | /* This will propagate to all children and init all the clock rates. */ | ||
1229 | clk_enable(&per_clk[0]); | ||
1230 | clk_enable(&gpio_clk); | ||
1231 | |||
1232 | #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) | ||
1233 | clk_enable(&uart_clk[0]); | ||
1234 | #endif | ||
1235 | |||
1236 | mxc_timer_init(&gpt_clk[0], MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR), | ||
1237 | MX21_INT_GPT1); | ||
1238 | return 0; | ||
1239 | } | ||
diff --git a/arch/arm/mach-imx/clock-imx25.c b/arch/arm/mach-imx/clock-imx25.c deleted file mode 100644 index b0fec74c8c91..000000000000 --- a/arch/arm/mach-imx/clock-imx25.c +++ /dev/null | |||
@@ -1,346 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2009 by Sascha Hauer, Pengutronix | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; either version 2 | ||
7 | * of the License, or (at your option) any later version. | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program; if not, write to the Free Software | ||
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
16 | * MA 02110-1301, USA. | ||
17 | */ | ||
18 | |||
19 | #include <linux/kernel.h> | ||
20 | #include <linux/init.h> | ||
21 | #include <linux/list.h> | ||
22 | #include <linux/clk.h> | ||
23 | #include <linux/io.h> | ||
24 | #include <linux/clkdev.h> | ||
25 | |||
26 | #include <mach/clock.h> | ||
27 | #include <mach/hardware.h> | ||
28 | #include <mach/common.h> | ||
29 | #include <mach/mx25.h> | ||
30 | |||
31 | #define CRM_BASE MX25_IO_ADDRESS(MX25_CRM_BASE_ADDR) | ||
32 | |||
33 | #define CCM_MPCTL 0x00 | ||
34 | #define CCM_UPCTL 0x04 | ||
35 | #define CCM_CCTL 0x08 | ||
36 | #define CCM_CGCR0 0x0C | ||
37 | #define CCM_CGCR1 0x10 | ||
38 | #define CCM_CGCR2 0x14 | ||
39 | #define CCM_PCDR0 0x18 | ||
40 | #define CCM_PCDR1 0x1C | ||
41 | #define CCM_PCDR2 0x20 | ||
42 | #define CCM_PCDR3 0x24 | ||
43 | #define CCM_RCSR 0x28 | ||
44 | #define CCM_CRDR 0x2C | ||
45 | #define CCM_DCVR0 0x30 | ||
46 | #define CCM_DCVR1 0x34 | ||
47 | #define CCM_DCVR2 0x38 | ||
48 | #define CCM_DCVR3 0x3c | ||
49 | #define CCM_LTR0 0x40 | ||
50 | #define CCM_LTR1 0x44 | ||
51 | #define CCM_LTR2 0x48 | ||
52 | #define CCM_LTR3 0x4c | ||
53 | |||
54 | static unsigned long get_rate_mpll(void) | ||
55 | { | ||
56 | ulong mpctl = __raw_readl(CRM_BASE + CCM_MPCTL); | ||
57 | |||
58 | return mxc_decode_pll(mpctl, 24000000); | ||
59 | } | ||
60 | |||
61 | static unsigned long get_rate_upll(void) | ||
62 | { | ||
63 | ulong mpctl = __raw_readl(CRM_BASE + CCM_UPCTL); | ||
64 | |||
65 | return mxc_decode_pll(mpctl, 24000000); | ||
66 | } | ||
67 | |||
68 | unsigned long get_rate_arm(struct clk *clk) | ||
69 | { | ||
70 | unsigned long cctl = readl(CRM_BASE + CCM_CCTL); | ||
71 | unsigned long rate = get_rate_mpll(); | ||
72 | |||
73 | if (cctl & (1 << 14)) | ||
74 | rate = (rate * 3) >> 2; | ||
75 | |||
76 | return rate / ((cctl >> 30) + 1); | ||
77 | } | ||
78 | |||
79 | static unsigned long get_rate_ahb(struct clk *clk) | ||
80 | { | ||
81 | unsigned long cctl = readl(CRM_BASE + CCM_CCTL); | ||
82 | |||
83 | return get_rate_arm(NULL) / (((cctl >> 28) & 0x3) + 1); | ||
84 | } | ||
85 | |||
86 | static unsigned long get_rate_ipg(struct clk *clk) | ||
87 | { | ||
88 | return get_rate_ahb(NULL) >> 1; | ||
89 | } | ||
90 | |||
91 | static unsigned long get_rate_per(int per) | ||
92 | { | ||
93 | unsigned long ofs = (per & 0x3) * 8; | ||
94 | unsigned long reg = per & ~0x3; | ||
95 | unsigned long val = (readl(CRM_BASE + CCM_PCDR0 + reg) >> ofs) & 0x3f; | ||
96 | unsigned long fref; | ||
97 | |||
98 | if (readl(CRM_BASE + 0x64) & (1 << per)) | ||
99 | fref = get_rate_upll(); | ||
100 | else | ||
101 | fref = get_rate_ahb(NULL); | ||
102 | |||
103 | return fref / (val + 1); | ||
104 | } | ||
105 | |||
106 | static unsigned long get_rate_uart(struct clk *clk) | ||
107 | { | ||
108 | return get_rate_per(15); | ||
109 | } | ||
110 | |||
111 | static unsigned long get_rate_ssi2(struct clk *clk) | ||
112 | { | ||
113 | return get_rate_per(14); | ||
114 | } | ||
115 | |||
116 | static unsigned long get_rate_ssi1(struct clk *clk) | ||
117 | { | ||
118 | return get_rate_per(13); | ||
119 | } | ||
120 | |||
121 | static unsigned long get_rate_i2c(struct clk *clk) | ||
122 | { | ||
123 | return get_rate_per(6); | ||
124 | } | ||
125 | |||
126 | static unsigned long get_rate_nfc(struct clk *clk) | ||
127 | { | ||
128 | return get_rate_per(8); | ||
129 | } | ||
130 | |||
131 | static unsigned long get_rate_gpt(struct clk *clk) | ||
132 | { | ||
133 | return get_rate_per(5); | ||
134 | } | ||
135 | |||
136 | static unsigned long get_rate_lcdc(struct clk *clk) | ||
137 | { | ||
138 | return get_rate_per(7); | ||
139 | } | ||
140 | |||
141 | static unsigned long get_rate_esdhc1(struct clk *clk) | ||
142 | { | ||
143 | return get_rate_per(3); | ||
144 | } | ||
145 | |||
146 | static unsigned long get_rate_esdhc2(struct clk *clk) | ||
147 | { | ||
148 | return get_rate_per(4); | ||
149 | } | ||
150 | |||
151 | static unsigned long get_rate_csi(struct clk *clk) | ||
152 | { | ||
153 | return get_rate_per(0); | ||
154 | } | ||
155 | |||
156 | static unsigned long get_rate_otg(struct clk *clk) | ||
157 | { | ||
158 | unsigned long cctl = readl(CRM_BASE + CCM_CCTL); | ||
159 | unsigned long rate = get_rate_upll(); | ||
160 | |||
161 | return (cctl & (1 << 23)) ? 0 : rate / ((0x3F & (cctl >> 16)) + 1); | ||
162 | } | ||
163 | |||
164 | static int clk_cgcr_enable(struct clk *clk) | ||
165 | { | ||
166 | u32 reg; | ||
167 | |||
168 | reg = __raw_readl(clk->enable_reg); | ||
169 | reg |= 1 << clk->enable_shift; | ||
170 | __raw_writel(reg, clk->enable_reg); | ||
171 | |||
172 | return 0; | ||
173 | } | ||
174 | |||
175 | static void clk_cgcr_disable(struct clk *clk) | ||
176 | { | ||
177 | u32 reg; | ||
178 | |||
179 | reg = __raw_readl(clk->enable_reg); | ||
180 | reg &= ~(1 << clk->enable_shift); | ||
181 | __raw_writel(reg, clk->enable_reg); | ||
182 | } | ||
183 | |||
184 | #define DEFINE_CLOCK(name, i, er, es, gr, sr, s) \ | ||
185 | static struct clk name = { \ | ||
186 | .id = i, \ | ||
187 | .enable_reg = CRM_BASE + er, \ | ||
188 | .enable_shift = es, \ | ||
189 | .get_rate = gr, \ | ||
190 | .set_rate = sr, \ | ||
191 | .enable = clk_cgcr_enable, \ | ||
192 | .disable = clk_cgcr_disable, \ | ||
193 | .secondary = s, \ | ||
194 | } | ||
195 | |||
196 | /* | ||
197 | * Note: the following IPG clock gating bits are wrongly marked "Reserved" in | ||
198 | * the i.MX25 Reference Manual Rev 1, table 15-13. The information below is | ||
199 | * taken from the Freescale released BSP. | ||
200 | * | ||
201 | * bit reg offset clock | ||
202 | * | ||
203 | * 0 CGCR1 0 AUDMUX | ||
204 | * 12 CGCR1 12 ESAI | ||
205 | * 16 CGCR1 16 GPIO1 | ||
206 | * 17 CGCR1 17 GPIO2 | ||
207 | * 18 CGCR1 18 GPIO3 | ||
208 | * 23 CGCR1 23 I2C1 | ||
209 | * 24 CGCR1 24 I2C2 | ||
210 | * 25 CGCR1 25 I2C3 | ||
211 | * 27 CGCR1 27 IOMUXC | ||
212 | * 28 CGCR1 28 KPP | ||
213 | * 30 CGCR1 30 OWIRE | ||
214 | * 36 CGCR2 4 RTIC | ||
215 | * 51 CGCR2 19 WDOG | ||
216 | */ | ||
217 | |||
218 | DEFINE_CLOCK(gpt_clk, 0, CCM_CGCR0, 5, get_rate_gpt, NULL, NULL); | ||
219 | DEFINE_CLOCK(uart_per_clk, 0, CCM_CGCR0, 15, get_rate_uart, NULL, NULL); | ||
220 | DEFINE_CLOCK(ssi1_per_clk, 0, CCM_CGCR0, 13, get_rate_ipg, NULL, NULL); | ||
221 | DEFINE_CLOCK(ssi2_per_clk, 0, CCM_CGCR0, 14, get_rate_ipg, NULL, NULL); | ||
222 | DEFINE_CLOCK(cspi1_clk, 0, CCM_CGCR1, 5, get_rate_ipg, NULL, NULL); | ||
223 | DEFINE_CLOCK(cspi2_clk, 0, CCM_CGCR1, 6, get_rate_ipg, NULL, NULL); | ||
224 | DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL, NULL); | ||
225 | DEFINE_CLOCK(esdhc1_ahb_clk, 0, CCM_CGCR0, 21, get_rate_esdhc1, NULL, NULL); | ||
226 | DEFINE_CLOCK(esdhc1_per_clk, 0, CCM_CGCR0, 3, get_rate_esdhc1, NULL, | ||
227 | &esdhc1_ahb_clk); | ||
228 | DEFINE_CLOCK(esdhc2_ahb_clk, 0, CCM_CGCR0, 22, get_rate_esdhc2, NULL, NULL); | ||
229 | DEFINE_CLOCK(esdhc2_per_clk, 0, CCM_CGCR0, 4, get_rate_esdhc2, NULL, | ||
230 | &esdhc2_ahb_clk); | ||
231 | DEFINE_CLOCK(sdma_ahb_clk, 0, CCM_CGCR0, 26, NULL, NULL, NULL); | ||
232 | DEFINE_CLOCK(fec_ahb_clk, 0, CCM_CGCR0, 23, NULL, NULL, NULL); | ||
233 | DEFINE_CLOCK(lcdc_ahb_clk, 0, CCM_CGCR0, 24, NULL, NULL, NULL); | ||
234 | DEFINE_CLOCK(lcdc_per_clk, 0, CCM_CGCR0, 7, NULL, NULL, &lcdc_ahb_clk); | ||
235 | DEFINE_CLOCK(csi_ahb_clk, 0, CCM_CGCR0, 18, get_rate_csi, NULL, NULL); | ||
236 | DEFINE_CLOCK(csi_per_clk, 0, CCM_CGCR0, 0, get_rate_csi, NULL, &csi_ahb_clk); | ||
237 | DEFINE_CLOCK(uart1_clk, 0, CCM_CGCR2, 14, get_rate_uart, NULL, &uart_per_clk); | ||
238 | DEFINE_CLOCK(uart2_clk, 0, CCM_CGCR2, 15, get_rate_uart, NULL, &uart_per_clk); | ||
239 | DEFINE_CLOCK(uart3_clk, 0, CCM_CGCR2, 16, get_rate_uart, NULL, &uart_per_clk); | ||
240 | DEFINE_CLOCK(uart4_clk, 0, CCM_CGCR2, 17, get_rate_uart, NULL, &uart_per_clk); | ||
241 | DEFINE_CLOCK(uart5_clk, 0, CCM_CGCR2, 18, get_rate_uart, NULL, &uart_per_clk); | ||
242 | DEFINE_CLOCK(nfc_clk, 0, CCM_CGCR0, 8, get_rate_nfc, NULL, NULL); | ||
243 | DEFINE_CLOCK(usbotg_clk, 0, CCM_CGCR0, 28, get_rate_otg, NULL, NULL); | ||
244 | DEFINE_CLOCK(pwm1_clk, 0, CCM_CGCR1, 31, get_rate_ipg, NULL, NULL); | ||
245 | DEFINE_CLOCK(pwm2_clk, 0, CCM_CGCR2, 0, get_rate_ipg, NULL, NULL); | ||
246 | DEFINE_CLOCK(pwm3_clk, 0, CCM_CGCR2, 1, get_rate_ipg, NULL, NULL); | ||
247 | DEFINE_CLOCK(pwm4_clk, 0, CCM_CGCR2, 2, get_rate_ipg, NULL, NULL); | ||
248 | DEFINE_CLOCK(kpp_clk, 0, CCM_CGCR1, 28, get_rate_ipg, NULL, NULL); | ||
249 | DEFINE_CLOCK(tsc_clk, 0, CCM_CGCR2, 13, get_rate_ipg, NULL, NULL); | ||
250 | DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL, NULL); | ||
251 | DEFINE_CLOCK(fec_clk, 0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk); | ||
252 | DEFINE_CLOCK(dryice_clk, 0, CCM_CGCR1, 8, get_rate_ipg, NULL, NULL); | ||
253 | DEFINE_CLOCK(lcdc_clk, 0, CCM_CGCR1, 29, get_rate_lcdc, NULL, &lcdc_per_clk); | ||
254 | DEFINE_CLOCK(wdt_clk, 0, CCM_CGCR2, 19, get_rate_ipg, NULL, NULL); | ||
255 | DEFINE_CLOCK(ssi1_clk, 0, CCM_CGCR2, 11, get_rate_ssi1, NULL, &ssi1_per_clk); | ||
256 | DEFINE_CLOCK(ssi2_clk, 1, CCM_CGCR2, 12, get_rate_ssi2, NULL, &ssi2_per_clk); | ||
257 | DEFINE_CLOCK(sdma_clk, 0, CCM_CGCR2, 6, get_rate_ipg, NULL, &sdma_ahb_clk); | ||
258 | DEFINE_CLOCK(esdhc1_clk, 0, CCM_CGCR1, 13, get_rate_esdhc1, NULL, | ||
259 | &esdhc1_per_clk); | ||
260 | DEFINE_CLOCK(esdhc2_clk, 1, CCM_CGCR1, 14, get_rate_esdhc2, NULL, | ||
261 | &esdhc2_per_clk); | ||
262 | DEFINE_CLOCK(audmux_clk, 0, CCM_CGCR1, 0, NULL, NULL, NULL); | ||
263 | DEFINE_CLOCK(csi_clk, 0, CCM_CGCR1, 4, get_rate_csi, NULL, &csi_per_clk); | ||
264 | DEFINE_CLOCK(can1_clk, 0, CCM_CGCR1, 2, get_rate_ipg, NULL, NULL); | ||
265 | DEFINE_CLOCK(can2_clk, 1, CCM_CGCR1, 3, get_rate_ipg, NULL, NULL); | ||
266 | DEFINE_CLOCK(iim_clk, 0, CCM_CGCR1, 26, NULL, NULL, NULL); | ||
267 | |||
268 | #define _REGISTER_CLOCK(d, n, c) \ | ||
269 | { \ | ||
270 | .dev_id = d, \ | ||
271 | .con_id = n, \ | ||
272 | .clk = &c, \ | ||
273 | }, | ||
274 | |||
275 | static struct clk_lookup lookups[] = { | ||
276 | /* i.mx25 has the i.mx21 type uart */ | ||
277 | _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk) | ||
278 | _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk) | ||
279 | _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk) | ||
280 | _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk) | ||
281 | _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk) | ||
282 | _REGISTER_CLOCK("mxc-ehci.0", "usb", usbotg_clk) | ||
283 | _REGISTER_CLOCK("mxc-ehci.1", "usb", usbotg_clk) | ||
284 | _REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk) | ||
285 | _REGISTER_CLOCK("fsl-usb2-udc", "usb", usbotg_clk) | ||
286 | _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) | ||
287 | /* i.mx25 has the i.mx35 type cspi */ | ||
288 | _REGISTER_CLOCK("imx35-cspi.0", NULL, cspi1_clk) | ||
289 | _REGISTER_CLOCK("imx35-cspi.1", NULL, cspi2_clk) | ||
290 | _REGISTER_CLOCK("imx35-cspi.2", NULL, cspi3_clk) | ||
291 | _REGISTER_CLOCK("mxc_pwm.0", NULL, pwm1_clk) | ||
292 | _REGISTER_CLOCK("mxc_pwm.1", NULL, pwm2_clk) | ||
293 | _REGISTER_CLOCK("mxc_pwm.2", NULL, pwm3_clk) | ||
294 | _REGISTER_CLOCK("mxc_pwm.3", NULL, pwm4_clk) | ||
295 | _REGISTER_CLOCK("imx-keypad", NULL, kpp_clk) | ||
296 | _REGISTER_CLOCK("mx25-adc", NULL, tsc_clk) | ||
297 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) | ||
298 | _REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk) | ||
299 | _REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk) | ||
300 | _REGISTER_CLOCK("imx25-fec.0", NULL, fec_clk) | ||
301 | _REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk) | ||
302 | _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk) | ||
303 | _REGISTER_CLOCK("imx2-wdt.0", NULL, wdt_clk) | ||
304 | _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) | ||
305 | _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) | ||
306 | _REGISTER_CLOCK("sdhci-esdhc-imx25.0", NULL, esdhc1_clk) | ||
307 | _REGISTER_CLOCK("sdhci-esdhc-imx25.1", NULL, esdhc2_clk) | ||
308 | _REGISTER_CLOCK("mx2-camera.0", NULL, csi_clk) | ||
309 | _REGISTER_CLOCK(NULL, "audmux", audmux_clk) | ||
310 | _REGISTER_CLOCK("flexcan.0", NULL, can1_clk) | ||
311 | _REGISTER_CLOCK("flexcan.1", NULL, can2_clk) | ||
312 | /* i.mx25 has the i.mx35 type sdma */ | ||
313 | _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk) | ||
314 | _REGISTER_CLOCK(NULL, "iim", iim_clk) | ||
315 | }; | ||
316 | |||
317 | int __init mx25_clocks_init(void) | ||
318 | { | ||
319 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
320 | |||
321 | /* Turn off all clocks except the ones we need to survive, namely: | ||
322 | * EMI, GPIO1-3 (CCM_CGCR1[18:16]), GPT1, IOMUXC (CCM_CGCR1[27]), IIM, | ||
323 | * SCC | ||
324 | */ | ||
325 | __raw_writel((1 << 19), CRM_BASE + CCM_CGCR0); | ||
326 | __raw_writel((0xf << 16) | (3 << 26), CRM_BASE + CCM_CGCR1); | ||
327 | __raw_writel((1 << 5), CRM_BASE + CCM_CGCR2); | ||
328 | #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) | ||
329 | clk_enable(&uart1_clk); | ||
330 | #endif | ||
331 | |||
332 | /* Clock source for lcdc and csi is upll */ | ||
333 | __raw_writel(__raw_readl(CRM_BASE+0x64) | (1 << 7) | (1 << 0), | ||
334 | CRM_BASE + 0x64); | ||
335 | |||
336 | /* Clock source for gpt is ahb_div */ | ||
337 | __raw_writel(__raw_readl(CRM_BASE+0x64) & ~(1 << 5), CRM_BASE + 0x64); | ||
338 | |||
339 | clk_enable(&iim_clk); | ||
340 | imx_print_silicon_rev("i.MX25", mx25_revision()); | ||
341 | clk_disable(&iim_clk); | ||
342 | |||
343 | mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54); | ||
344 | |||
345 | return 0; | ||
346 | } | ||
diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c deleted file mode 100644 index 98e04f5a87dd..000000000000 --- a/arch/arm/mach-imx/clock-imx27.c +++ /dev/null | |||
@@ -1,785 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * Copyright 2008 Martin Fuzzey, mfuzzey@gmail.com | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
18 | * MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/clk.h> | ||
22 | #include <linux/io.h> | ||
23 | #include <linux/module.h> | ||
24 | #include <linux/clkdev.h> | ||
25 | #include <linux/of.h> | ||
26 | |||
27 | #include <asm/div64.h> | ||
28 | |||
29 | #include <mach/clock.h> | ||
30 | #include <mach/common.h> | ||
31 | #include <mach/hardware.h> | ||
32 | |||
33 | #define IO_ADDR_CCM(off) (MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR + (off))) | ||
34 | |||
35 | /* Register offsets */ | ||
36 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
37 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
38 | #define CCM_MPCTL1 IO_ADDR_CCM(0x8) | ||
39 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
40 | #define CCM_SPCTL1 IO_ADDR_CCM(0x10) | ||
41 | #define CCM_OSC26MCTL IO_ADDR_CCM(0x14) | ||
42 | #define CCM_PCDR0 IO_ADDR_CCM(0x18) | ||
43 | #define CCM_PCDR1 IO_ADDR_CCM(0x1c) | ||
44 | #define CCM_PCCR0 IO_ADDR_CCM(0x20) | ||
45 | #define CCM_PCCR1 IO_ADDR_CCM(0x24) | ||
46 | #define CCM_CCSR IO_ADDR_CCM(0x28) | ||
47 | #define CCM_PMCTL IO_ADDR_CCM(0x2c) | ||
48 | #define CCM_PMCOUNT IO_ADDR_CCM(0x30) | ||
49 | #define CCM_WKGDCTL IO_ADDR_CCM(0x34) | ||
50 | |||
51 | #define CCM_CSCR_UPDATE_DIS (1 << 31) | ||
52 | #define CCM_CSCR_SSI2 (1 << 23) | ||
53 | #define CCM_CSCR_SSI1 (1 << 22) | ||
54 | #define CCM_CSCR_VPU (1 << 21) | ||
55 | #define CCM_CSCR_MSHC (1 << 20) | ||
56 | #define CCM_CSCR_SPLLRES (1 << 19) | ||
57 | #define CCM_CSCR_MPLLRES (1 << 18) | ||
58 | #define CCM_CSCR_SP (1 << 17) | ||
59 | #define CCM_CSCR_MCU (1 << 16) | ||
60 | #define CCM_CSCR_OSC26MDIV (1 << 4) | ||
61 | #define CCM_CSCR_OSC26M (1 << 3) | ||
62 | #define CCM_CSCR_FPM (1 << 2) | ||
63 | #define CCM_CSCR_SPEN (1 << 1) | ||
64 | #define CCM_CSCR_MPEN (1 << 0) | ||
65 | |||
66 | /* i.MX27 TO 2+ */ | ||
67 | #define CCM_CSCR_ARM_SRC (1 << 15) | ||
68 | |||
69 | #define CCM_SPCTL1_LF (1 << 15) | ||
70 | #define CCM_SPCTL1_BRMO (1 << 6) | ||
71 | |||
72 | static struct clk mpll_main1_clk, mpll_main2_clk; | ||
73 | |||
74 | static int clk_pccr_enable(struct clk *clk) | ||
75 | { | ||
76 | unsigned long reg; | ||
77 | |||
78 | if (!clk->enable_reg) | ||
79 | return 0; | ||
80 | |||
81 | reg = __raw_readl(clk->enable_reg); | ||
82 | reg |= 1 << clk->enable_shift; | ||
83 | __raw_writel(reg, clk->enable_reg); | ||
84 | |||
85 | return 0; | ||
86 | } | ||
87 | |||
88 | static void clk_pccr_disable(struct clk *clk) | ||
89 | { | ||
90 | unsigned long reg; | ||
91 | |||
92 | if (!clk->enable_reg) | ||
93 | return; | ||
94 | |||
95 | reg = __raw_readl(clk->enable_reg); | ||
96 | reg &= ~(1 << clk->enable_shift); | ||
97 | __raw_writel(reg, clk->enable_reg); | ||
98 | } | ||
99 | |||
100 | static int clk_spll_enable(struct clk *clk) | ||
101 | { | ||
102 | unsigned long reg; | ||
103 | |||
104 | reg = __raw_readl(CCM_CSCR); | ||
105 | reg |= CCM_CSCR_SPEN; | ||
106 | __raw_writel(reg, CCM_CSCR); | ||
107 | |||
108 | while (!(__raw_readl(CCM_SPCTL1) & CCM_SPCTL1_LF)); | ||
109 | |||
110 | return 0; | ||
111 | } | ||
112 | |||
113 | static void clk_spll_disable(struct clk *clk) | ||
114 | { | ||
115 | unsigned long reg; | ||
116 | |||
117 | reg = __raw_readl(CCM_CSCR); | ||
118 | reg &= ~CCM_CSCR_SPEN; | ||
119 | __raw_writel(reg, CCM_CSCR); | ||
120 | } | ||
121 | |||
122 | static int clk_cpu_set_parent(struct clk *clk, struct clk *parent) | ||
123 | { | ||
124 | int cscr = __raw_readl(CCM_CSCR); | ||
125 | |||
126 | if (clk->parent == parent) | ||
127 | return 0; | ||
128 | |||
129 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) { | ||
130 | if (parent == &mpll_main1_clk) { | ||
131 | cscr |= CCM_CSCR_ARM_SRC; | ||
132 | } else { | ||
133 | if (parent == &mpll_main2_clk) | ||
134 | cscr &= ~CCM_CSCR_ARM_SRC; | ||
135 | else | ||
136 | return -EINVAL; | ||
137 | } | ||
138 | __raw_writel(cscr, CCM_CSCR); | ||
139 | clk->parent = parent; | ||
140 | return 0; | ||
141 | } | ||
142 | return -ENODEV; | ||
143 | } | ||
144 | |||
145 | static unsigned long round_rate_cpu(struct clk *clk, unsigned long rate) | ||
146 | { | ||
147 | int div; | ||
148 | unsigned long parent_rate; | ||
149 | |||
150 | parent_rate = clk_get_rate(clk->parent); | ||
151 | |||
152 | div = parent_rate / rate; | ||
153 | if (parent_rate % rate) | ||
154 | div++; | ||
155 | |||
156 | if (div > 4) | ||
157 | div = 4; | ||
158 | |||
159 | return parent_rate / div; | ||
160 | } | ||
161 | |||
162 | static int set_rate_cpu(struct clk *clk, unsigned long rate) | ||
163 | { | ||
164 | unsigned int div; | ||
165 | uint32_t reg; | ||
166 | unsigned long parent_rate; | ||
167 | |||
168 | parent_rate = clk_get_rate(clk->parent); | ||
169 | |||
170 | div = parent_rate / rate; | ||
171 | |||
172 | if (div > 4 || div < 1 || ((parent_rate / div) != rate)) | ||
173 | return -EINVAL; | ||
174 | |||
175 | div--; | ||
176 | |||
177 | reg = __raw_readl(CCM_CSCR); | ||
178 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) { | ||
179 | reg &= ~(3 << 12); | ||
180 | reg |= div << 12; | ||
181 | reg &= ~(CCM_CSCR_FPM | CCM_CSCR_SPEN); | ||
182 | __raw_writel(reg | CCM_CSCR_UPDATE_DIS, CCM_CSCR); | ||
183 | } else { | ||
184 | printk(KERN_ERR "Can't set CPU frequency!\n"); | ||
185 | } | ||
186 | |||
187 | return 0; | ||
188 | } | ||
189 | |||
190 | static unsigned long round_rate_per(struct clk *clk, unsigned long rate) | ||
191 | { | ||
192 | u32 div; | ||
193 | unsigned long parent_rate; | ||
194 | |||
195 | parent_rate = clk_get_rate(clk->parent); | ||
196 | |||
197 | div = parent_rate / rate; | ||
198 | if (parent_rate % rate) | ||
199 | div++; | ||
200 | |||
201 | if (div > 64) | ||
202 | div = 64; | ||
203 | |||
204 | return parent_rate / div; | ||
205 | } | ||
206 | |||
207 | static int set_rate_per(struct clk *clk, unsigned long rate) | ||
208 | { | ||
209 | u32 reg; | ||
210 | u32 div; | ||
211 | unsigned long parent_rate; | ||
212 | |||
213 | parent_rate = clk_get_rate(clk->parent); | ||
214 | |||
215 | if (clk->id < 0 || clk->id > 3) | ||
216 | return -EINVAL; | ||
217 | |||
218 | div = parent_rate / rate; | ||
219 | if (div > 64 || div < 1 || ((parent_rate / div) != rate)) | ||
220 | return -EINVAL; | ||
221 | div--; | ||
222 | |||
223 | reg = __raw_readl(CCM_PCDR1) & ~(0x3f << (clk->id << 3)); | ||
224 | reg |= div << (clk->id << 3); | ||
225 | __raw_writel(reg, CCM_PCDR1); | ||
226 | |||
227 | return 0; | ||
228 | } | ||
229 | |||
230 | static unsigned long get_rate_usb(struct clk *clk) | ||
231 | { | ||
232 | unsigned long usb_pdf; | ||
233 | unsigned long parent_rate; | ||
234 | |||
235 | parent_rate = clk_get_rate(clk->parent); | ||
236 | |||
237 | usb_pdf = (__raw_readl(CCM_CSCR) >> 28) & 0x7; | ||
238 | |||
239 | return parent_rate / (usb_pdf + 1U); | ||
240 | } | ||
241 | |||
242 | static unsigned long get_rate_ssix(struct clk *clk, unsigned long pdf) | ||
243 | { | ||
244 | unsigned long parent_rate; | ||
245 | |||
246 | parent_rate = clk_get_rate(clk->parent); | ||
247 | |||
248 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) | ||
249 | pdf += 4; /* MX27 TO2+ */ | ||
250 | else | ||
251 | pdf = (pdf < 2) ? 124UL : pdf; /* MX21 & MX27 TO1 */ | ||
252 | |||
253 | return 2UL * parent_rate / pdf; | ||
254 | } | ||
255 | |||
256 | static unsigned long get_rate_ssi1(struct clk *clk) | ||
257 | { | ||
258 | return get_rate_ssix(clk, (__raw_readl(CCM_PCDR0) >> 16) & 0x3f); | ||
259 | } | ||
260 | |||
261 | static unsigned long get_rate_ssi2(struct clk *clk) | ||
262 | { | ||
263 | return get_rate_ssix(clk, (__raw_readl(CCM_PCDR0) >> 26) & 0x3f); | ||
264 | } | ||
265 | |||
266 | static unsigned long get_rate_nfc(struct clk *clk) | ||
267 | { | ||
268 | unsigned long nfc_pdf; | ||
269 | unsigned long parent_rate; | ||
270 | |||
271 | parent_rate = clk_get_rate(clk->parent); | ||
272 | |||
273 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) | ||
274 | nfc_pdf = (__raw_readl(CCM_PCDR0) >> 6) & 0xf; | ||
275 | else | ||
276 | nfc_pdf = (__raw_readl(CCM_PCDR0) >> 12) & 0xf; | ||
277 | |||
278 | return parent_rate / (nfc_pdf + 1); | ||
279 | } | ||
280 | |||
281 | static unsigned long get_rate_vpu(struct clk *clk) | ||
282 | { | ||
283 | unsigned long vpu_pdf; | ||
284 | unsigned long parent_rate; | ||
285 | |||
286 | parent_rate = clk_get_rate(clk->parent); | ||
287 | |||
288 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) { | ||
289 | vpu_pdf = (__raw_readl(CCM_PCDR0) >> 10) & 0x3f; | ||
290 | vpu_pdf += 4; | ||
291 | } else { | ||
292 | vpu_pdf = (__raw_readl(CCM_PCDR0) >> 8) & 0xf; | ||
293 | vpu_pdf = (vpu_pdf < 2) ? 124 : vpu_pdf; | ||
294 | } | ||
295 | |||
296 | return 2UL * parent_rate / vpu_pdf; | ||
297 | } | ||
298 | |||
299 | static unsigned long round_rate_parent(struct clk *clk, unsigned long rate) | ||
300 | { | ||
301 | return clk->parent->round_rate(clk->parent, rate); | ||
302 | } | ||
303 | |||
304 | static unsigned long get_rate_parent(struct clk *clk) | ||
305 | { | ||
306 | return clk_get_rate(clk->parent); | ||
307 | } | ||
308 | |||
309 | static int set_rate_parent(struct clk *clk, unsigned long rate) | ||
310 | { | ||
311 | return clk->parent->set_rate(clk->parent, rate); | ||
312 | } | ||
313 | |||
314 | /* in Hz */ | ||
315 | static unsigned long external_high_reference = 26000000; | ||
316 | |||
317 | static unsigned long get_rate_high_reference(struct clk *clk) | ||
318 | { | ||
319 | return external_high_reference; | ||
320 | } | ||
321 | |||
322 | /* in Hz */ | ||
323 | static unsigned long external_low_reference = 32768; | ||
324 | |||
325 | static unsigned long get_rate_low_reference(struct clk *clk) | ||
326 | { | ||
327 | return external_low_reference; | ||
328 | } | ||
329 | |||
330 | static unsigned long get_rate_fpm(struct clk *clk) | ||
331 | { | ||
332 | return clk_get_rate(clk->parent) * 1024; | ||
333 | } | ||
334 | |||
335 | static unsigned long get_rate_mpll(struct clk *clk) | ||
336 | { | ||
337 | return mxc_decode_pll(__raw_readl(CCM_MPCTL0), | ||
338 | clk_get_rate(clk->parent)); | ||
339 | } | ||
340 | |||
341 | static unsigned long get_rate_mpll_main(struct clk *clk) | ||
342 | { | ||
343 | unsigned long parent_rate; | ||
344 | |||
345 | parent_rate = clk_get_rate(clk->parent); | ||
346 | |||
347 | /* i.MX27 TO2: | ||
348 | * clk->id == 0: arm clock source path 1 which is from 2 * MPLL / 2 | ||
349 | * clk->id == 1: arm clock source path 2 which is from 2 * MPLL / 3 | ||
350 | */ | ||
351 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0 && clk->id == 1) | ||
352 | return 2UL * parent_rate / 3UL; | ||
353 | |||
354 | return parent_rate; | ||
355 | } | ||
356 | |||
357 | static unsigned long get_rate_spll(struct clk *clk) | ||
358 | { | ||
359 | uint32_t reg; | ||
360 | unsigned long rate; | ||
361 | |||
362 | rate = clk_get_rate(clk->parent); | ||
363 | |||
364 | reg = __raw_readl(CCM_SPCTL0); | ||
365 | |||
366 | /* On TO2 we have to write the value back. Otherwise we | ||
367 | * read 0 from this register the next time. | ||
368 | */ | ||
369 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) | ||
370 | __raw_writel(reg, CCM_SPCTL0); | ||
371 | |||
372 | return mxc_decode_pll(reg, rate); | ||
373 | } | ||
374 | |||
375 | static unsigned long get_rate_cpu(struct clk *clk) | ||
376 | { | ||
377 | u32 div; | ||
378 | unsigned long rate; | ||
379 | |||
380 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) | ||
381 | div = (__raw_readl(CCM_CSCR) >> 12) & 0x3; | ||
382 | else | ||
383 | div = (__raw_readl(CCM_CSCR) >> 13) & 0x7; | ||
384 | |||
385 | rate = clk_get_rate(clk->parent); | ||
386 | return rate / (div + 1); | ||
387 | } | ||
388 | |||
389 | static unsigned long get_rate_ahb(struct clk *clk) | ||
390 | { | ||
391 | unsigned long rate, bclk_pdf; | ||
392 | |||
393 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) | ||
394 | bclk_pdf = (__raw_readl(CCM_CSCR) >> 8) & 0x3; | ||
395 | else | ||
396 | bclk_pdf = (__raw_readl(CCM_CSCR) >> 9) & 0xf; | ||
397 | |||
398 | rate = clk_get_rate(clk->parent); | ||
399 | return rate / (bclk_pdf + 1); | ||
400 | } | ||
401 | |||
402 | static unsigned long get_rate_ipg(struct clk *clk) | ||
403 | { | ||
404 | unsigned long rate, ipg_pdf; | ||
405 | |||
406 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) | ||
407 | return clk_get_rate(clk->parent); | ||
408 | else | ||
409 | ipg_pdf = (__raw_readl(CCM_CSCR) >> 8) & 1; | ||
410 | |||
411 | rate = clk_get_rate(clk->parent); | ||
412 | return rate / (ipg_pdf + 1); | ||
413 | } | ||
414 | |||
415 | static unsigned long get_rate_per(struct clk *clk) | ||
416 | { | ||
417 | unsigned long perclk_pdf, parent_rate; | ||
418 | |||
419 | parent_rate = clk_get_rate(clk->parent); | ||
420 | |||
421 | if (clk->id < 0 || clk->id > 3) | ||
422 | return 0; | ||
423 | |||
424 | perclk_pdf = (__raw_readl(CCM_PCDR1) >> (clk->id << 3)) & 0x3f; | ||
425 | |||
426 | return parent_rate / (perclk_pdf + 1); | ||
427 | } | ||
428 | |||
429 | /* | ||
430 | * the high frequency external clock reference | ||
431 | * Default case is 26MHz. Could be changed at runtime | ||
432 | * with a call to change_external_high_reference() | ||
433 | */ | ||
434 | static struct clk ckih_clk = { | ||
435 | .get_rate = get_rate_high_reference, | ||
436 | }; | ||
437 | |||
438 | static struct clk mpll_clk = { | ||
439 | .parent = &ckih_clk, | ||
440 | .get_rate = get_rate_mpll, | ||
441 | }; | ||
442 | |||
443 | /* For i.MX27 TO2, it is the MPLL path 1 of ARM core | ||
444 | * It provides the clock source whose rate is same as MPLL | ||
445 | */ | ||
446 | static struct clk mpll_main1_clk = { | ||
447 | .id = 0, | ||
448 | .parent = &mpll_clk, | ||
449 | .get_rate = get_rate_mpll_main, | ||
450 | }; | ||
451 | |||
452 | /* For i.MX27 TO2, it is the MPLL path 2 of ARM core | ||
453 | * It provides the clock source whose rate is same MPLL * 2 / 3 | ||
454 | */ | ||
455 | static struct clk mpll_main2_clk = { | ||
456 | .id = 1, | ||
457 | .parent = &mpll_clk, | ||
458 | .get_rate = get_rate_mpll_main, | ||
459 | }; | ||
460 | |||
461 | static struct clk ahb_clk = { | ||
462 | .parent = &mpll_main2_clk, | ||
463 | .get_rate = get_rate_ahb, | ||
464 | }; | ||
465 | |||
466 | static struct clk ipg_clk = { | ||
467 | .parent = &ahb_clk, | ||
468 | .get_rate = get_rate_ipg, | ||
469 | }; | ||
470 | |||
471 | static struct clk cpu_clk = { | ||
472 | .parent = &mpll_main2_clk, | ||
473 | .set_parent = clk_cpu_set_parent, | ||
474 | .round_rate = round_rate_cpu, | ||
475 | .get_rate = get_rate_cpu, | ||
476 | .set_rate = set_rate_cpu, | ||
477 | }; | ||
478 | |||
479 | static struct clk spll_clk = { | ||
480 | .parent = &ckih_clk, | ||
481 | .get_rate = get_rate_spll, | ||
482 | .enable = clk_spll_enable, | ||
483 | .disable = clk_spll_disable, | ||
484 | }; | ||
485 | |||
486 | /* | ||
487 | * the low frequency external clock reference | ||
488 | * Default case is 32.768kHz. | ||
489 | */ | ||
490 | static struct clk ckil_clk = { | ||
491 | .get_rate = get_rate_low_reference, | ||
492 | }; | ||
493 | |||
494 | /* Output of frequency pre multiplier */ | ||
495 | static struct clk fpm_clk = { | ||
496 | .parent = &ckil_clk, | ||
497 | .get_rate = get_rate_fpm, | ||
498 | }; | ||
499 | |||
500 | #define PCCR0 CCM_PCCR0 | ||
501 | #define PCCR1 CCM_PCCR1 | ||
502 | |||
503 | #define DEFINE_CLOCK(name, i, er, es, gr, s, p) \ | ||
504 | static struct clk name = { \ | ||
505 | .id = i, \ | ||
506 | .enable_reg = er, \ | ||
507 | .enable_shift = es, \ | ||
508 | .get_rate = gr, \ | ||
509 | .enable = clk_pccr_enable, \ | ||
510 | .disable = clk_pccr_disable, \ | ||
511 | .secondary = s, \ | ||
512 | .parent = p, \ | ||
513 | } | ||
514 | |||
515 | #define DEFINE_CLOCK1(name, i, er, es, getsetround, s, p) \ | ||
516 | static struct clk name = { \ | ||
517 | .id = i, \ | ||
518 | .enable_reg = er, \ | ||
519 | .enable_shift = es, \ | ||
520 | .get_rate = get_rate_##getsetround, \ | ||
521 | .set_rate = set_rate_##getsetround, \ | ||
522 | .round_rate = round_rate_##getsetround, \ | ||
523 | .enable = clk_pccr_enable, \ | ||
524 | .disable = clk_pccr_disable, \ | ||
525 | .secondary = s, \ | ||
526 | .parent = p, \ | ||
527 | } | ||
528 | |||
529 | /* Forward declaration to keep the following list in order */ | ||
530 | static struct clk slcdc_clk1, sahara2_clk1, rtic_clk1, fec_clk1, emma_clk1, | ||
531 | dma_clk1, lcdc_clk2, vpu_clk1; | ||
532 | |||
533 | /* All clocks we can gate through PCCRx in the order of PCCRx bits */ | ||
534 | DEFINE_CLOCK(ssi2_clk1, 1, PCCR0, 0, NULL, NULL, &ipg_clk); | ||
535 | DEFINE_CLOCK(ssi1_clk1, 0, PCCR0, 1, NULL, NULL, &ipg_clk); | ||
536 | DEFINE_CLOCK(slcdc_clk, 0, PCCR0, 2, NULL, &slcdc_clk1, &ahb_clk); | ||
537 | DEFINE_CLOCK(sdhc3_clk1, 0, PCCR0, 3, NULL, NULL, &ipg_clk); | ||
538 | DEFINE_CLOCK(sdhc2_clk1, 0, PCCR0, 4, NULL, NULL, &ipg_clk); | ||
539 | DEFINE_CLOCK(sdhc1_clk1, 0, PCCR0, 5, NULL, NULL, &ipg_clk); | ||
540 | DEFINE_CLOCK(scc_clk, 0, PCCR0, 6, NULL, NULL, &ipg_clk); | ||
541 | DEFINE_CLOCK(sahara2_clk, 0, PCCR0, 7, NULL, &sahara2_clk1, &ahb_clk); | ||
542 | DEFINE_CLOCK(rtic_clk, 0, PCCR0, 8, NULL, &rtic_clk1, &ahb_clk); | ||
543 | DEFINE_CLOCK(rtc_clk, 0, PCCR0, 9, NULL, NULL, &ipg_clk); | ||
544 | DEFINE_CLOCK(pwm_clk1, 0, PCCR0, 11, NULL, NULL, &ipg_clk); | ||
545 | DEFINE_CLOCK(owire_clk, 0, PCCR0, 12, NULL, NULL, &ipg_clk); | ||
546 | DEFINE_CLOCK(mstick_clk1, 0, PCCR0, 13, NULL, NULL, &ipg_clk); | ||
547 | DEFINE_CLOCK(lcdc_clk1, 0, PCCR0, 14, NULL, &lcdc_clk2, &ipg_clk); | ||
548 | DEFINE_CLOCK(kpp_clk, 0, PCCR0, 15, NULL, NULL, &ipg_clk); | ||
549 | DEFINE_CLOCK(iim_clk, 0, PCCR0, 16, NULL, NULL, &ipg_clk); | ||
550 | DEFINE_CLOCK(i2c2_clk, 1, PCCR0, 17, NULL, NULL, &ipg_clk); | ||
551 | DEFINE_CLOCK(i2c1_clk, 0, PCCR0, 18, NULL, NULL, &ipg_clk); | ||
552 | DEFINE_CLOCK(gpt6_clk1, 0, PCCR0, 29, NULL, NULL, &ipg_clk); | ||
553 | DEFINE_CLOCK(gpt5_clk1, 0, PCCR0, 20, NULL, NULL, &ipg_clk); | ||
554 | DEFINE_CLOCK(gpt4_clk1, 0, PCCR0, 21, NULL, NULL, &ipg_clk); | ||
555 | DEFINE_CLOCK(gpt3_clk1, 0, PCCR0, 22, NULL, NULL, &ipg_clk); | ||
556 | DEFINE_CLOCK(gpt2_clk1, 0, PCCR0, 23, NULL, NULL, &ipg_clk); | ||
557 | DEFINE_CLOCK(gpt1_clk1, 0, PCCR0, 24, NULL, NULL, &ipg_clk); | ||
558 | DEFINE_CLOCK(gpio_clk, 0, PCCR0, 25, NULL, NULL, &ipg_clk); | ||
559 | DEFINE_CLOCK(fec_clk, 0, PCCR0, 26, NULL, &fec_clk1, &ahb_clk); | ||
560 | DEFINE_CLOCK(emma_clk, 0, PCCR0, 27, NULL, &emma_clk1, &ahb_clk); | ||
561 | DEFINE_CLOCK(dma_clk, 0, PCCR0, 28, NULL, &dma_clk1, &ahb_clk); | ||
562 | DEFINE_CLOCK(cspi13_clk1, 0, PCCR0, 29, NULL, NULL, &ipg_clk); | ||
563 | DEFINE_CLOCK(cspi2_clk1, 0, PCCR0, 30, NULL, NULL, &ipg_clk); | ||
564 | DEFINE_CLOCK(cspi1_clk1, 0, PCCR0, 31, NULL, NULL, &ipg_clk); | ||
565 | |||
566 | DEFINE_CLOCK(mstick_clk, 0, PCCR1, 2, NULL, &mstick_clk1, &ipg_clk); | ||
567 | DEFINE_CLOCK(nfc_clk, 0, PCCR1, 3, get_rate_nfc, NULL, &cpu_clk); | ||
568 | DEFINE_CLOCK(ssi2_clk, 1, PCCR1, 4, get_rate_ssi2, &ssi2_clk1, &mpll_main2_clk); | ||
569 | DEFINE_CLOCK(ssi1_clk, 0, PCCR1, 5, get_rate_ssi1, &ssi1_clk1, &mpll_main2_clk); | ||
570 | DEFINE_CLOCK(vpu_clk, 0, PCCR1, 6, get_rate_vpu, &vpu_clk1, &mpll_main2_clk); | ||
571 | DEFINE_CLOCK1(per4_clk, 3, PCCR1, 7, per, NULL, &mpll_main2_clk); | ||
572 | DEFINE_CLOCK1(per3_clk, 2, PCCR1, 8, per, NULL, &mpll_main2_clk); | ||
573 | DEFINE_CLOCK1(per2_clk, 1, PCCR1, 9, per, NULL, &mpll_main2_clk); | ||
574 | DEFINE_CLOCK1(per1_clk, 0, PCCR1, 10, per, NULL, &mpll_main2_clk); | ||
575 | DEFINE_CLOCK(usb_clk1, 0, PCCR1, 11, NULL, NULL, &ahb_clk); | ||
576 | DEFINE_CLOCK(slcdc_clk1, 0, PCCR1, 12, NULL, NULL, &ahb_clk); | ||
577 | DEFINE_CLOCK(sahara2_clk1, 0, PCCR1, 13, NULL, NULL, &ahb_clk); | ||
578 | DEFINE_CLOCK(rtic_clk1, 0, PCCR1, 14, NULL, NULL, &ahb_clk); | ||
579 | DEFINE_CLOCK(lcdc_clk2, 0, PCCR1, 15, NULL, NULL, &ahb_clk); | ||
580 | DEFINE_CLOCK(vpu_clk1, 0, PCCR1, 16, NULL, NULL, &ahb_clk); | ||
581 | DEFINE_CLOCK(fec_clk1, 0, PCCR1, 17, NULL, NULL, &ahb_clk); | ||
582 | DEFINE_CLOCK(emma_clk1, 0, PCCR1, 18, NULL, NULL, &ahb_clk); | ||
583 | DEFINE_CLOCK(emi_clk, 0, PCCR1, 19, NULL, NULL, &ahb_clk); | ||
584 | DEFINE_CLOCK(dma_clk1, 0, PCCR1, 20, NULL, NULL, &ahb_clk); | ||
585 | DEFINE_CLOCK(csi_clk1, 0, PCCR1, 21, NULL, NULL, &ahb_clk); | ||
586 | DEFINE_CLOCK(brom_clk, 0, PCCR1, 22, NULL, NULL, &ahb_clk); | ||
587 | DEFINE_CLOCK(pata_clk, 0, PCCR1, 23, NULL, NULL, &ahb_clk); | ||
588 | DEFINE_CLOCK(wdog_clk, 0, PCCR1, 24, NULL, NULL, &ipg_clk); | ||
589 | DEFINE_CLOCK(usb_clk, 0, PCCR1, 25, get_rate_usb, &usb_clk1, &spll_clk); | ||
590 | DEFINE_CLOCK(uart6_clk1, 0, PCCR1, 26, NULL, NULL, &ipg_clk); | ||
591 | DEFINE_CLOCK(uart5_clk1, 0, PCCR1, 27, NULL, NULL, &ipg_clk); | ||
592 | DEFINE_CLOCK(uart4_clk1, 0, PCCR1, 28, NULL, NULL, &ipg_clk); | ||
593 | DEFINE_CLOCK(uart3_clk1, 0, PCCR1, 29, NULL, NULL, &ipg_clk); | ||
594 | DEFINE_CLOCK(uart2_clk1, 0, PCCR1, 30, NULL, NULL, &ipg_clk); | ||
595 | DEFINE_CLOCK(uart1_clk1, 0, PCCR1, 31, NULL, NULL, &ipg_clk); | ||
596 | |||
597 | /* Clocks we cannot directly gate, but drivers need their rates */ | ||
598 | DEFINE_CLOCK(cspi1_clk, 0, NULL, 0, NULL, &cspi1_clk1, &per2_clk); | ||
599 | DEFINE_CLOCK(cspi2_clk, 1, NULL, 0, NULL, &cspi2_clk1, &per2_clk); | ||
600 | DEFINE_CLOCK(cspi3_clk, 2, NULL, 0, NULL, &cspi13_clk1, &per2_clk); | ||
601 | DEFINE_CLOCK(sdhc1_clk, 0, NULL, 0, NULL, &sdhc1_clk1, &per2_clk); | ||
602 | DEFINE_CLOCK(sdhc2_clk, 1, NULL, 0, NULL, &sdhc2_clk1, &per2_clk); | ||
603 | DEFINE_CLOCK(sdhc3_clk, 2, NULL, 0, NULL, &sdhc3_clk1, &per2_clk); | ||
604 | DEFINE_CLOCK(pwm_clk, 0, NULL, 0, NULL, &pwm_clk1, &per1_clk); | ||
605 | DEFINE_CLOCK(gpt1_clk, 0, NULL, 0, NULL, &gpt1_clk1, &per1_clk); | ||
606 | DEFINE_CLOCK(gpt2_clk, 1, NULL, 0, NULL, &gpt2_clk1, &per1_clk); | ||
607 | DEFINE_CLOCK(gpt3_clk, 2, NULL, 0, NULL, &gpt3_clk1, &per1_clk); | ||
608 | DEFINE_CLOCK(gpt4_clk, 3, NULL, 0, NULL, &gpt4_clk1, &per1_clk); | ||
609 | DEFINE_CLOCK(gpt5_clk, 4, NULL, 0, NULL, &gpt5_clk1, &per1_clk); | ||
610 | DEFINE_CLOCK(gpt6_clk, 5, NULL, 0, NULL, &gpt6_clk1, &per1_clk); | ||
611 | DEFINE_CLOCK(uart1_clk, 0, NULL, 0, NULL, &uart1_clk1, &per1_clk); | ||
612 | DEFINE_CLOCK(uart2_clk, 1, NULL, 0, NULL, &uart2_clk1, &per1_clk); | ||
613 | DEFINE_CLOCK(uart3_clk, 2, NULL, 0, NULL, &uart3_clk1, &per1_clk); | ||
614 | DEFINE_CLOCK(uart4_clk, 3, NULL, 0, NULL, &uart4_clk1, &per1_clk); | ||
615 | DEFINE_CLOCK(uart5_clk, 4, NULL, 0, NULL, &uart5_clk1, &per1_clk); | ||
616 | DEFINE_CLOCK(uart6_clk, 5, NULL, 0, NULL, &uart6_clk1, &per1_clk); | ||
617 | DEFINE_CLOCK1(lcdc_clk, 0, NULL, 0, parent, &lcdc_clk1, &per3_clk); | ||
618 | DEFINE_CLOCK1(csi_clk, 0, NULL, 0, parent, &csi_clk1, &per4_clk); | ||
619 | |||
620 | #define _REGISTER_CLOCK(d, n, c) \ | ||
621 | { \ | ||
622 | .dev_id = d, \ | ||
623 | .con_id = n, \ | ||
624 | .clk = &c, \ | ||
625 | }, | ||
626 | |||
627 | static struct clk_lookup lookups[] = { | ||
628 | /* i.mx27 has the i.mx21 type uart */ | ||
629 | _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk) | ||
630 | _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk) | ||
631 | _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk) | ||
632 | _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk) | ||
633 | _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk) | ||
634 | _REGISTER_CLOCK("imx21-uart.5", NULL, uart6_clk) | ||
635 | _REGISTER_CLOCK(NULL, "gpt1", gpt1_clk) | ||
636 | _REGISTER_CLOCK(NULL, "gpt2", gpt2_clk) | ||
637 | _REGISTER_CLOCK(NULL, "gpt3", gpt3_clk) | ||
638 | _REGISTER_CLOCK(NULL, "gpt4", gpt4_clk) | ||
639 | _REGISTER_CLOCK(NULL, "gpt5", gpt5_clk) | ||
640 | _REGISTER_CLOCK(NULL, "gpt6", gpt6_clk) | ||
641 | _REGISTER_CLOCK("mxc_pwm.0", NULL, pwm_clk) | ||
642 | _REGISTER_CLOCK("mxc-mmc.0", NULL, sdhc1_clk) | ||
643 | _REGISTER_CLOCK("mxc-mmc.1", NULL, sdhc2_clk) | ||
644 | _REGISTER_CLOCK("mxc-mmc.2", NULL, sdhc3_clk) | ||
645 | _REGISTER_CLOCK("imx27-cspi.0", NULL, cspi1_clk) | ||
646 | _REGISTER_CLOCK("imx27-cspi.1", NULL, cspi2_clk) | ||
647 | _REGISTER_CLOCK("imx27-cspi.2", NULL, cspi3_clk) | ||
648 | _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk) | ||
649 | _REGISTER_CLOCK("mx2-camera.0", NULL, csi_clk) | ||
650 | _REGISTER_CLOCK("fsl-usb2-udc", "usb", usb_clk) | ||
651 | _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usb_clk1) | ||
652 | _REGISTER_CLOCK("mxc-ehci.0", "usb", usb_clk) | ||
653 | _REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", usb_clk1) | ||
654 | _REGISTER_CLOCK("mxc-ehci.1", "usb", usb_clk) | ||
655 | _REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", usb_clk1) | ||
656 | _REGISTER_CLOCK("mxc-ehci.2", "usb", usb_clk) | ||
657 | _REGISTER_CLOCK("mxc-ehci.2", "usb_ahb", usb_clk1) | ||
658 | _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) | ||
659 | _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) | ||
660 | _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) | ||
661 | _REGISTER_CLOCK(NULL, "vpu", vpu_clk) | ||
662 | _REGISTER_CLOCK(NULL, "dma", dma_clk) | ||
663 | _REGISTER_CLOCK(NULL, "rtic", rtic_clk) | ||
664 | _REGISTER_CLOCK(NULL, "brom", brom_clk) | ||
665 | _REGISTER_CLOCK(NULL, "emma", emma_clk) | ||
666 | _REGISTER_CLOCK("m2m-emmaprp.0", NULL, emma_clk) | ||
667 | _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk) | ||
668 | _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk) | ||
669 | _REGISTER_CLOCK(NULL, "emi", emi_clk) | ||
670 | _REGISTER_CLOCK(NULL, "sahara2", sahara2_clk) | ||
671 | _REGISTER_CLOCK("pata_imx", NULL, pata_clk) | ||
672 | _REGISTER_CLOCK(NULL, "mstick", mstick_clk) | ||
673 | _REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk) | ||
674 | _REGISTER_CLOCK(NULL, "gpio", gpio_clk) | ||
675 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) | ||
676 | _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) | ||
677 | _REGISTER_CLOCK(NULL, "iim", iim_clk) | ||
678 | _REGISTER_CLOCK(NULL, "kpp", kpp_clk) | ||
679 | _REGISTER_CLOCK("mxc_w1.0", NULL, owire_clk) | ||
680 | _REGISTER_CLOCK(NULL, "rtc", rtc_clk) | ||
681 | _REGISTER_CLOCK(NULL, "scc", scc_clk) | ||
682 | }; | ||
683 | |||
684 | /* Adjust the clock path for TO2 and later */ | ||
685 | static void __init to2_adjust_clocks(void) | ||
686 | { | ||
687 | unsigned long cscr = __raw_readl(CCM_CSCR); | ||
688 | |||
689 | if (mx27_revision() >= IMX_CHIP_REVISION_2_0) { | ||
690 | if (cscr & CCM_CSCR_ARM_SRC) | ||
691 | cpu_clk.parent = &mpll_main1_clk; | ||
692 | |||
693 | if (!(cscr & CCM_CSCR_SSI2)) | ||
694 | ssi1_clk.parent = &spll_clk; | ||
695 | |||
696 | if (!(cscr & CCM_CSCR_SSI1)) | ||
697 | ssi1_clk.parent = &spll_clk; | ||
698 | |||
699 | if (!(cscr & CCM_CSCR_VPU)) | ||
700 | vpu_clk.parent = &spll_clk; | ||
701 | } else { | ||
702 | cpu_clk.parent = &mpll_clk; | ||
703 | cpu_clk.set_parent = NULL; | ||
704 | cpu_clk.round_rate = NULL; | ||
705 | cpu_clk.set_rate = NULL; | ||
706 | ahb_clk.parent = &mpll_clk; | ||
707 | |||
708 | per1_clk.parent = &mpll_clk; | ||
709 | per2_clk.parent = &mpll_clk; | ||
710 | per3_clk.parent = &mpll_clk; | ||
711 | per4_clk.parent = &mpll_clk; | ||
712 | |||
713 | ssi1_clk.parent = &mpll_clk; | ||
714 | ssi2_clk.parent = &mpll_clk; | ||
715 | |||
716 | vpu_clk.parent = &mpll_clk; | ||
717 | } | ||
718 | } | ||
719 | |||
720 | /* | ||
721 | * must be called very early to get information about the | ||
722 | * available clock rate when the timer framework starts | ||
723 | */ | ||
724 | int __init mx27_clocks_init(unsigned long fref) | ||
725 | { | ||
726 | u32 cscr = __raw_readl(CCM_CSCR); | ||
727 | |||
728 | external_high_reference = fref; | ||
729 | |||
730 | /* detect clock reference for both system PLLs */ | ||
731 | if (cscr & CCM_CSCR_MCU) | ||
732 | mpll_clk.parent = &ckih_clk; | ||
733 | else | ||
734 | mpll_clk.parent = &fpm_clk; | ||
735 | |||
736 | if (cscr & CCM_CSCR_SP) | ||
737 | spll_clk.parent = &ckih_clk; | ||
738 | else | ||
739 | spll_clk.parent = &fpm_clk; | ||
740 | |||
741 | to2_adjust_clocks(); | ||
742 | |||
743 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
744 | |||
745 | /* Turn off all clocks we do not need */ | ||
746 | __raw_writel(0, CCM_PCCR0); | ||
747 | __raw_writel((1 << 10) | (1 << 19), CCM_PCCR1); | ||
748 | |||
749 | spll_clk.disable(&spll_clk); | ||
750 | |||
751 | /* enable basic clocks */ | ||
752 | clk_enable(&per1_clk); | ||
753 | clk_enable(&gpio_clk); | ||
754 | clk_enable(&emi_clk); | ||
755 | clk_enable(&iim_clk); | ||
756 | imx_print_silicon_rev("i.MX27", mx27_revision()); | ||
757 | clk_disable(&iim_clk); | ||
758 | |||
759 | #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) | ||
760 | clk_enable(&uart1_clk); | ||
761 | #endif | ||
762 | |||
763 | mxc_timer_init(&gpt1_clk, MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), | ||
764 | MX27_INT_GPT1); | ||
765 | |||
766 | return 0; | ||
767 | } | ||
768 | |||
769 | #ifdef CONFIG_OF | ||
770 | int __init mx27_clocks_init_dt(void) | ||
771 | { | ||
772 | struct device_node *np; | ||
773 | u32 fref = 26000000; /* default */ | ||
774 | |||
775 | for_each_compatible_node(np, NULL, "fixed-clock") { | ||
776 | if (!of_device_is_compatible(np, "fsl,imx-osc26m")) | ||
777 | continue; | ||
778 | |||
779 | if (!of_property_read_u32(np, "clock-frequency", &fref)) | ||
780 | break; | ||
781 | } | ||
782 | |||
783 | return mx27_clocks_init(fref); | ||
784 | } | ||
785 | #endif | ||
diff --git a/arch/arm/mach-imx/clock-imx31.c b/arch/arm/mach-imx/clock-imx31.c deleted file mode 100644 index 3a943cd4159f..000000000000 --- a/arch/arm/mach-imx/clock-imx31.c +++ /dev/null | |||
@@ -1,630 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
17 | * MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | #include <linux/module.h> | ||
21 | #include <linux/spinlock.h> | ||
22 | #include <linux/delay.h> | ||
23 | #include <linux/clk.h> | ||
24 | #include <linux/err.h> | ||
25 | #include <linux/io.h> | ||
26 | #include <linux/clkdev.h> | ||
27 | |||
28 | #include <asm/div64.h> | ||
29 | |||
30 | #include <mach/clock.h> | ||
31 | #include <mach/hardware.h> | ||
32 | #include <mach/mx31.h> | ||
33 | #include <mach/common.h> | ||
34 | |||
35 | #include "crmregs-imx3.h" | ||
36 | |||
37 | #define PRE_DIV_MIN_FREQ 10000000 /* Minimum Frequency after Predivider */ | ||
38 | |||
39 | static void __calc_pre_post_dividers(u32 div, u32 *pre, u32 *post) | ||
40 | { | ||
41 | u32 min_pre, temp_pre, old_err, err; | ||
42 | |||
43 | if (div >= 512) { | ||
44 | *pre = 8; | ||
45 | *post = 64; | ||
46 | } else if (div >= 64) { | ||
47 | min_pre = (div - 1) / 64 + 1; | ||
48 | old_err = 8; | ||
49 | for (temp_pre = 8; temp_pre >= min_pre; temp_pre--) { | ||
50 | err = div % temp_pre; | ||
51 | if (err == 0) { | ||
52 | *pre = temp_pre; | ||
53 | break; | ||
54 | } | ||
55 | err = temp_pre - err; | ||
56 | if (err < old_err) { | ||
57 | old_err = err; | ||
58 | *pre = temp_pre; | ||
59 | } | ||
60 | } | ||
61 | *post = (div + *pre - 1) / *pre; | ||
62 | } else if (div <= 8) { | ||
63 | *pre = div; | ||
64 | *post = 1; | ||
65 | } else { | ||
66 | *pre = 1; | ||
67 | *post = div; | ||
68 | } | ||
69 | } | ||
70 | |||
71 | static struct clk mcu_pll_clk; | ||
72 | static struct clk serial_pll_clk; | ||
73 | static struct clk ipg_clk; | ||
74 | static struct clk ckih_clk; | ||
75 | |||
76 | static int cgr_enable(struct clk *clk) | ||
77 | { | ||
78 | u32 reg; | ||
79 | |||
80 | if (!clk->enable_reg) | ||
81 | return 0; | ||
82 | |||
83 | reg = __raw_readl(clk->enable_reg); | ||
84 | reg |= 3 << clk->enable_shift; | ||
85 | __raw_writel(reg, clk->enable_reg); | ||
86 | |||
87 | return 0; | ||
88 | } | ||
89 | |||
90 | static void cgr_disable(struct clk *clk) | ||
91 | { | ||
92 | u32 reg; | ||
93 | |||
94 | if (!clk->enable_reg) | ||
95 | return; | ||
96 | |||
97 | reg = __raw_readl(clk->enable_reg); | ||
98 | reg &= ~(3 << clk->enable_shift); | ||
99 | |||
100 | /* special case for EMI clock */ | ||
101 | if (clk->enable_reg == MXC_CCM_CGR2 && clk->enable_shift == 8) | ||
102 | reg |= (1 << clk->enable_shift); | ||
103 | |||
104 | __raw_writel(reg, clk->enable_reg); | ||
105 | } | ||
106 | |||
107 | static unsigned long pll_ref_get_rate(void) | ||
108 | { | ||
109 | unsigned long ccmr; | ||
110 | unsigned int prcs; | ||
111 | |||
112 | ccmr = __raw_readl(MXC_CCM_CCMR); | ||
113 | prcs = (ccmr & MXC_CCM_CCMR_PRCS_MASK) >> MXC_CCM_CCMR_PRCS_OFFSET; | ||
114 | if (prcs == 0x1) | ||
115 | return CKIL_CLK_FREQ * 1024; | ||
116 | else | ||
117 | return clk_get_rate(&ckih_clk); | ||
118 | } | ||
119 | |||
120 | static unsigned long usb_pll_get_rate(struct clk *clk) | ||
121 | { | ||
122 | unsigned long reg; | ||
123 | |||
124 | reg = __raw_readl(MXC_CCM_UPCTL); | ||
125 | |||
126 | return mxc_decode_pll(reg, pll_ref_get_rate()); | ||
127 | } | ||
128 | |||
129 | static unsigned long serial_pll_get_rate(struct clk *clk) | ||
130 | { | ||
131 | unsigned long reg; | ||
132 | |||
133 | reg = __raw_readl(MXC_CCM_SRPCTL); | ||
134 | |||
135 | return mxc_decode_pll(reg, pll_ref_get_rate()); | ||
136 | } | ||
137 | |||
138 | static unsigned long mcu_pll_get_rate(struct clk *clk) | ||
139 | { | ||
140 | unsigned long reg, ccmr; | ||
141 | |||
142 | ccmr = __raw_readl(MXC_CCM_CCMR); | ||
143 | |||
144 | if (!(ccmr & MXC_CCM_CCMR_MPE) || (ccmr & MXC_CCM_CCMR_MDS)) | ||
145 | return clk_get_rate(&ckih_clk); | ||
146 | |||
147 | reg = __raw_readl(MXC_CCM_MPCTL); | ||
148 | |||
149 | return mxc_decode_pll(reg, pll_ref_get_rate()); | ||
150 | } | ||
151 | |||
152 | static int usb_pll_enable(struct clk *clk) | ||
153 | { | ||
154 | u32 reg; | ||
155 | |||
156 | reg = __raw_readl(MXC_CCM_CCMR); | ||
157 | reg |= MXC_CCM_CCMR_UPE; | ||
158 | __raw_writel(reg, MXC_CCM_CCMR); | ||
159 | |||
160 | /* No lock bit on MX31, so using max time from spec */ | ||
161 | udelay(80); | ||
162 | |||
163 | return 0; | ||
164 | } | ||
165 | |||
166 | static void usb_pll_disable(struct clk *clk) | ||
167 | { | ||
168 | u32 reg; | ||
169 | |||
170 | reg = __raw_readl(MXC_CCM_CCMR); | ||
171 | reg &= ~MXC_CCM_CCMR_UPE; | ||
172 | __raw_writel(reg, MXC_CCM_CCMR); | ||
173 | } | ||
174 | |||
175 | static int serial_pll_enable(struct clk *clk) | ||
176 | { | ||
177 | u32 reg; | ||
178 | |||
179 | reg = __raw_readl(MXC_CCM_CCMR); | ||
180 | reg |= MXC_CCM_CCMR_SPE; | ||
181 | __raw_writel(reg, MXC_CCM_CCMR); | ||
182 | |||
183 | /* No lock bit on MX31, so using max time from spec */ | ||
184 | udelay(80); | ||
185 | |||
186 | return 0; | ||
187 | } | ||
188 | |||
189 | static void serial_pll_disable(struct clk *clk) | ||
190 | { | ||
191 | u32 reg; | ||
192 | |||
193 | reg = __raw_readl(MXC_CCM_CCMR); | ||
194 | reg &= ~MXC_CCM_CCMR_SPE; | ||
195 | __raw_writel(reg, MXC_CCM_CCMR); | ||
196 | } | ||
197 | |||
198 | #define PDR0(mask, off) ((__raw_readl(MXC_CCM_PDR0) & mask) >> off) | ||
199 | #define PDR1(mask, off) ((__raw_readl(MXC_CCM_PDR1) & mask) >> off) | ||
200 | #define PDR2(mask, off) ((__raw_readl(MXC_CCM_PDR2) & mask) >> off) | ||
201 | |||
202 | static unsigned long mcu_main_get_rate(struct clk *clk) | ||
203 | { | ||
204 | u32 pmcr0 = __raw_readl(MXC_CCM_PMCR0); | ||
205 | |||
206 | if ((pmcr0 & MXC_CCM_PMCR0_DFSUP1) == MXC_CCM_PMCR0_DFSUP1_SPLL) | ||
207 | return clk_get_rate(&serial_pll_clk); | ||
208 | else | ||
209 | return clk_get_rate(&mcu_pll_clk); | ||
210 | } | ||
211 | |||
212 | static unsigned long ahb_get_rate(struct clk *clk) | ||
213 | { | ||
214 | unsigned long max_pdf; | ||
215 | |||
216 | max_pdf = PDR0(MXC_CCM_PDR0_MAX_PODF_MASK, | ||
217 | MXC_CCM_PDR0_MAX_PODF_OFFSET); | ||
218 | return clk_get_rate(clk->parent) / (max_pdf + 1); | ||
219 | } | ||
220 | |||
221 | static unsigned long ipg_get_rate(struct clk *clk) | ||
222 | { | ||
223 | unsigned long ipg_pdf; | ||
224 | |||
225 | ipg_pdf = PDR0(MXC_CCM_PDR0_IPG_PODF_MASK, | ||
226 | MXC_CCM_PDR0_IPG_PODF_OFFSET); | ||
227 | return clk_get_rate(clk->parent) / (ipg_pdf + 1); | ||
228 | } | ||
229 | |||
230 | static unsigned long nfc_get_rate(struct clk *clk) | ||
231 | { | ||
232 | unsigned long nfc_pdf; | ||
233 | |||
234 | nfc_pdf = PDR0(MXC_CCM_PDR0_NFC_PODF_MASK, | ||
235 | MXC_CCM_PDR0_NFC_PODF_OFFSET); | ||
236 | return clk_get_rate(clk->parent) / (nfc_pdf + 1); | ||
237 | } | ||
238 | |||
239 | static unsigned long hsp_get_rate(struct clk *clk) | ||
240 | { | ||
241 | unsigned long hsp_pdf; | ||
242 | |||
243 | hsp_pdf = PDR0(MXC_CCM_PDR0_HSP_PODF_MASK, | ||
244 | MXC_CCM_PDR0_HSP_PODF_OFFSET); | ||
245 | return clk_get_rate(clk->parent) / (hsp_pdf + 1); | ||
246 | } | ||
247 | |||
248 | static unsigned long usb_get_rate(struct clk *clk) | ||
249 | { | ||
250 | unsigned long usb_pdf, usb_prepdf; | ||
251 | |||
252 | usb_pdf = PDR1(MXC_CCM_PDR1_USB_PODF_MASK, | ||
253 | MXC_CCM_PDR1_USB_PODF_OFFSET); | ||
254 | usb_prepdf = PDR1(MXC_CCM_PDR1_USB_PRDF_MASK, | ||
255 | MXC_CCM_PDR1_USB_PRDF_OFFSET); | ||
256 | return clk_get_rate(clk->parent) / (usb_prepdf + 1) / (usb_pdf + 1); | ||
257 | } | ||
258 | |||
259 | static unsigned long csi_get_rate(struct clk *clk) | ||
260 | { | ||
261 | u32 reg, pre, post; | ||
262 | |||
263 | reg = __raw_readl(MXC_CCM_PDR0); | ||
264 | pre = (reg & MXC_CCM_PDR0_CSI_PRDF_MASK) >> | ||
265 | MXC_CCM_PDR0_CSI_PRDF_OFFSET; | ||
266 | pre++; | ||
267 | post = (reg & MXC_CCM_PDR0_CSI_PODF_MASK) >> | ||
268 | MXC_CCM_PDR0_CSI_PODF_OFFSET; | ||
269 | post++; | ||
270 | return clk_get_rate(clk->parent) / (pre * post); | ||
271 | } | ||
272 | |||
273 | static unsigned long csi_round_rate(struct clk *clk, unsigned long rate) | ||
274 | { | ||
275 | u32 pre, post, parent = clk_get_rate(clk->parent); | ||
276 | u32 div = parent / rate; | ||
277 | |||
278 | if (parent % rate) | ||
279 | div++; | ||
280 | |||
281 | __calc_pre_post_dividers(div, &pre, &post); | ||
282 | |||
283 | return parent / (pre * post); | ||
284 | } | ||
285 | |||
286 | static int csi_set_rate(struct clk *clk, unsigned long rate) | ||
287 | { | ||
288 | u32 reg, div, pre, post, parent = clk_get_rate(clk->parent); | ||
289 | |||
290 | div = parent / rate; | ||
291 | |||
292 | if ((parent / div) != rate) | ||
293 | return -EINVAL; | ||
294 | |||
295 | __calc_pre_post_dividers(div, &pre, &post); | ||
296 | |||
297 | /* Set CSI clock divider */ | ||
298 | reg = __raw_readl(MXC_CCM_PDR0) & | ||
299 | ~(MXC_CCM_PDR0_CSI_PODF_MASK | MXC_CCM_PDR0_CSI_PRDF_MASK); | ||
300 | reg |= (post - 1) << MXC_CCM_PDR0_CSI_PODF_OFFSET; | ||
301 | reg |= (pre - 1) << MXC_CCM_PDR0_CSI_PRDF_OFFSET; | ||
302 | __raw_writel(reg, MXC_CCM_PDR0); | ||
303 | |||
304 | return 0; | ||
305 | } | ||
306 | |||
307 | static unsigned long ssi1_get_rate(struct clk *clk) | ||
308 | { | ||
309 | unsigned long ssi1_pdf, ssi1_prepdf; | ||
310 | |||
311 | ssi1_pdf = PDR1(MXC_CCM_PDR1_SSI1_PODF_MASK, | ||
312 | MXC_CCM_PDR1_SSI1_PODF_OFFSET); | ||
313 | ssi1_prepdf = PDR1(MXC_CCM_PDR1_SSI1_PRE_PODF_MASK, | ||
314 | MXC_CCM_PDR1_SSI1_PRE_PODF_OFFSET); | ||
315 | return clk_get_rate(clk->parent) / (ssi1_prepdf + 1) / (ssi1_pdf + 1); | ||
316 | } | ||
317 | |||
318 | static unsigned long ssi2_get_rate(struct clk *clk) | ||
319 | { | ||
320 | unsigned long ssi2_pdf, ssi2_prepdf; | ||
321 | |||
322 | ssi2_pdf = PDR1(MXC_CCM_PDR1_SSI2_PODF_MASK, | ||
323 | MXC_CCM_PDR1_SSI2_PODF_OFFSET); | ||
324 | ssi2_prepdf = PDR1(MXC_CCM_PDR1_SSI2_PRE_PODF_MASK, | ||
325 | MXC_CCM_PDR1_SSI2_PRE_PODF_OFFSET); | ||
326 | return clk_get_rate(clk->parent) / (ssi2_prepdf + 1) / (ssi2_pdf + 1); | ||
327 | } | ||
328 | |||
329 | static unsigned long firi_get_rate(struct clk *clk) | ||
330 | { | ||
331 | unsigned long firi_pdf, firi_prepdf; | ||
332 | |||
333 | firi_pdf = PDR1(MXC_CCM_PDR1_FIRI_PODF_MASK, | ||
334 | MXC_CCM_PDR1_FIRI_PODF_OFFSET); | ||
335 | firi_prepdf = PDR1(MXC_CCM_PDR1_FIRI_PRE_PODF_MASK, | ||
336 | MXC_CCM_PDR1_FIRI_PRE_PODF_OFFSET); | ||
337 | return clk_get_rate(clk->parent) / (firi_prepdf + 1) / (firi_pdf + 1); | ||
338 | } | ||
339 | |||
340 | static unsigned long firi_round_rate(struct clk *clk, unsigned long rate) | ||
341 | { | ||
342 | u32 pre, post; | ||
343 | u32 parent = clk_get_rate(clk->parent); | ||
344 | u32 div = parent / rate; | ||
345 | |||
346 | if (parent % rate) | ||
347 | div++; | ||
348 | |||
349 | __calc_pre_post_dividers(div, &pre, &post); | ||
350 | |||
351 | return parent / (pre * post); | ||
352 | |||
353 | } | ||
354 | |||
355 | static int firi_set_rate(struct clk *clk, unsigned long rate) | ||
356 | { | ||
357 | u32 reg, div, pre, post, parent = clk_get_rate(clk->parent); | ||
358 | |||
359 | div = parent / rate; | ||
360 | |||
361 | if ((parent / div) != rate) | ||
362 | return -EINVAL; | ||
363 | |||
364 | __calc_pre_post_dividers(div, &pre, &post); | ||
365 | |||
366 | /* Set FIRI clock divider */ | ||
367 | reg = __raw_readl(MXC_CCM_PDR1) & | ||
368 | ~(MXC_CCM_PDR1_FIRI_PODF_MASK | MXC_CCM_PDR1_FIRI_PRE_PODF_MASK); | ||
369 | reg |= (pre - 1) << MXC_CCM_PDR1_FIRI_PRE_PODF_OFFSET; | ||
370 | reg |= (post - 1) << MXC_CCM_PDR1_FIRI_PODF_OFFSET; | ||
371 | __raw_writel(reg, MXC_CCM_PDR1); | ||
372 | |||
373 | return 0; | ||
374 | } | ||
375 | |||
376 | static unsigned long mbx_get_rate(struct clk *clk) | ||
377 | { | ||
378 | return clk_get_rate(clk->parent) / 2; | ||
379 | } | ||
380 | |||
381 | static unsigned long mstick1_get_rate(struct clk *clk) | ||
382 | { | ||
383 | unsigned long msti_pdf; | ||
384 | |||
385 | msti_pdf = PDR2(MXC_CCM_PDR2_MST1_PDF_MASK, | ||
386 | MXC_CCM_PDR2_MST1_PDF_OFFSET); | ||
387 | return clk_get_rate(clk->parent) / (msti_pdf + 1); | ||
388 | } | ||
389 | |||
390 | static unsigned long mstick2_get_rate(struct clk *clk) | ||
391 | { | ||
392 | unsigned long msti_pdf; | ||
393 | |||
394 | msti_pdf = PDR2(MXC_CCM_PDR2_MST2_PDF_MASK, | ||
395 | MXC_CCM_PDR2_MST2_PDF_OFFSET); | ||
396 | return clk_get_rate(clk->parent) / (msti_pdf + 1); | ||
397 | } | ||
398 | |||
399 | static unsigned long ckih_rate; | ||
400 | |||
401 | static unsigned long clk_ckih_get_rate(struct clk *clk) | ||
402 | { | ||
403 | return ckih_rate; | ||
404 | } | ||
405 | |||
406 | static unsigned long clk_ckil_get_rate(struct clk *clk) | ||
407 | { | ||
408 | return CKIL_CLK_FREQ; | ||
409 | } | ||
410 | |||
411 | static struct clk ckih_clk = { | ||
412 | .get_rate = clk_ckih_get_rate, | ||
413 | }; | ||
414 | |||
415 | static struct clk mcu_pll_clk = { | ||
416 | .parent = &ckih_clk, | ||
417 | .get_rate = mcu_pll_get_rate, | ||
418 | }; | ||
419 | |||
420 | static struct clk mcu_main_clk = { | ||
421 | .parent = &mcu_pll_clk, | ||
422 | .get_rate = mcu_main_get_rate, | ||
423 | }; | ||
424 | |||
425 | static struct clk serial_pll_clk = { | ||
426 | .parent = &ckih_clk, | ||
427 | .get_rate = serial_pll_get_rate, | ||
428 | .enable = serial_pll_enable, | ||
429 | .disable = serial_pll_disable, | ||
430 | }; | ||
431 | |||
432 | static struct clk usb_pll_clk = { | ||
433 | .parent = &ckih_clk, | ||
434 | .get_rate = usb_pll_get_rate, | ||
435 | .enable = usb_pll_enable, | ||
436 | .disable = usb_pll_disable, | ||
437 | }; | ||
438 | |||
439 | static struct clk ahb_clk = { | ||
440 | .parent = &mcu_main_clk, | ||
441 | .get_rate = ahb_get_rate, | ||
442 | }; | ||
443 | |||
444 | #define DEFINE_CLOCK(name, i, er, es, gr, s, p) \ | ||
445 | static struct clk name = { \ | ||
446 | .id = i, \ | ||
447 | .enable_reg = er, \ | ||
448 | .enable_shift = es, \ | ||
449 | .get_rate = gr, \ | ||
450 | .enable = cgr_enable, \ | ||
451 | .disable = cgr_disable, \ | ||
452 | .secondary = s, \ | ||
453 | .parent = p, \ | ||
454 | } | ||
455 | |||
456 | #define DEFINE_CLOCK1(name, i, er, es, getsetround, s, p) \ | ||
457 | static struct clk name = { \ | ||
458 | .id = i, \ | ||
459 | .enable_reg = er, \ | ||
460 | .enable_shift = es, \ | ||
461 | .get_rate = getsetround##_get_rate, \ | ||
462 | .set_rate = getsetround##_set_rate, \ | ||
463 | .round_rate = getsetround##_round_rate, \ | ||
464 | .enable = cgr_enable, \ | ||
465 | .disable = cgr_disable, \ | ||
466 | .secondary = s, \ | ||
467 | .parent = p, \ | ||
468 | } | ||
469 | |||
470 | DEFINE_CLOCK(perclk_clk, 0, NULL, 0, NULL, NULL, &ipg_clk); | ||
471 | DEFINE_CLOCK(ckil_clk, 0, NULL, 0, clk_ckil_get_rate, NULL, NULL); | ||
472 | |||
473 | DEFINE_CLOCK(sdhc1_clk, 0, MXC_CCM_CGR0, 0, NULL, NULL, &perclk_clk); | ||
474 | DEFINE_CLOCK(sdhc2_clk, 1, MXC_CCM_CGR0, 2, NULL, NULL, &perclk_clk); | ||
475 | DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CGR0, 4, NULL, NULL, &perclk_clk); | ||
476 | DEFINE_CLOCK(epit1_clk, 0, MXC_CCM_CGR0, 6, NULL, NULL, &perclk_clk); | ||
477 | DEFINE_CLOCK(epit2_clk, 1, MXC_CCM_CGR0, 8, NULL, NULL, &perclk_clk); | ||
478 | DEFINE_CLOCK(iim_clk, 0, MXC_CCM_CGR0, 10, NULL, NULL, &ipg_clk); | ||
479 | DEFINE_CLOCK(pata_clk, 0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk); | ||
480 | DEFINE_CLOCK(sdma_clk1, 0, MXC_CCM_CGR0, 14, NULL, NULL, &ahb_clk); | ||
481 | DEFINE_CLOCK(cspi3_clk, 2, MXC_CCM_CGR0, 16, NULL, NULL, &ipg_clk); | ||
482 | DEFINE_CLOCK(rng_clk, 0, MXC_CCM_CGR0, 18, NULL, NULL, &ipg_clk); | ||
483 | DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CGR0, 20, NULL, NULL, &perclk_clk); | ||
484 | DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CGR0, 22, NULL, NULL, &perclk_clk); | ||
485 | DEFINE_CLOCK(ssi1_clk, 0, MXC_CCM_CGR0, 24, ssi1_get_rate, NULL, &serial_pll_clk); | ||
486 | DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CGR0, 26, NULL, NULL, &perclk_clk); | ||
487 | DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CGR0, 28, NULL, NULL, &perclk_clk); | ||
488 | DEFINE_CLOCK(i2c3_clk, 2, MXC_CCM_CGR0, 30, NULL, NULL, &perclk_clk); | ||
489 | |||
490 | DEFINE_CLOCK(mpeg4_clk, 0, MXC_CCM_CGR1, 0, NULL, NULL, &ahb_clk); | ||
491 | DEFINE_CLOCK(mstick1_clk, 0, MXC_CCM_CGR1, 2, mstick1_get_rate, NULL, &usb_pll_clk); | ||
492 | DEFINE_CLOCK(mstick2_clk, 1, MXC_CCM_CGR1, 4, mstick2_get_rate, NULL, &usb_pll_clk); | ||
493 | DEFINE_CLOCK1(csi_clk, 0, MXC_CCM_CGR1, 6, csi, NULL, &serial_pll_clk); | ||
494 | DEFINE_CLOCK(rtc_clk, 0, MXC_CCM_CGR1, 8, NULL, NULL, &ckil_clk); | ||
495 | DEFINE_CLOCK(wdog_clk, 0, MXC_CCM_CGR1, 10, NULL, NULL, &ipg_clk); | ||
496 | DEFINE_CLOCK(pwm_clk, 0, MXC_CCM_CGR1, 12, NULL, NULL, &perclk_clk); | ||
497 | DEFINE_CLOCK(usb_clk2, 0, MXC_CCM_CGR1, 18, usb_get_rate, NULL, &ahb_clk); | ||
498 | DEFINE_CLOCK(kpp_clk, 0, MXC_CCM_CGR1, 20, NULL, NULL, &ipg_clk); | ||
499 | DEFINE_CLOCK(ipu_clk, 0, MXC_CCM_CGR1, 22, hsp_get_rate, NULL, &mcu_main_clk); | ||
500 | DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CGR1, 24, NULL, NULL, &perclk_clk); | ||
501 | DEFINE_CLOCK(uart4_clk, 3, MXC_CCM_CGR1, 26, NULL, NULL, &perclk_clk); | ||
502 | DEFINE_CLOCK(uart5_clk, 4, MXC_CCM_CGR1, 28, NULL, NULL, &perclk_clk); | ||
503 | DEFINE_CLOCK(owire_clk, 0, MXC_CCM_CGR1, 30, NULL, NULL, &perclk_clk); | ||
504 | |||
505 | DEFINE_CLOCK(ssi2_clk, 1, MXC_CCM_CGR2, 0, ssi2_get_rate, NULL, &serial_pll_clk); | ||
506 | DEFINE_CLOCK(cspi1_clk, 0, MXC_CCM_CGR2, 2, NULL, NULL, &ipg_clk); | ||
507 | DEFINE_CLOCK(cspi2_clk, 1, MXC_CCM_CGR2, 4, NULL, NULL, &ipg_clk); | ||
508 | DEFINE_CLOCK(mbx_clk, 0, MXC_CCM_CGR2, 6, mbx_get_rate, NULL, &ahb_clk); | ||
509 | DEFINE_CLOCK(emi_clk, 0, MXC_CCM_CGR2, 8, NULL, NULL, &ahb_clk); | ||
510 | DEFINE_CLOCK(rtic_clk, 0, MXC_CCM_CGR2, 10, NULL, NULL, &ahb_clk); | ||
511 | DEFINE_CLOCK1(firi_clk, 0, MXC_CCM_CGR2, 12, firi, NULL, &usb_pll_clk); | ||
512 | |||
513 | DEFINE_CLOCK(sdma_clk2, 0, NULL, 0, NULL, NULL, &ipg_clk); | ||
514 | DEFINE_CLOCK(usb_clk1, 0, NULL, 0, usb_get_rate, NULL, &usb_pll_clk); | ||
515 | DEFINE_CLOCK(nfc_clk, 0, NULL, 0, nfc_get_rate, NULL, &ahb_clk); | ||
516 | DEFINE_CLOCK(scc_clk, 0, NULL, 0, NULL, NULL, &ipg_clk); | ||
517 | DEFINE_CLOCK(ipg_clk, 0, NULL, 0, ipg_get_rate, NULL, &ahb_clk); | ||
518 | |||
519 | #define _REGISTER_CLOCK(d, n, c) \ | ||
520 | { \ | ||
521 | .dev_id = d, \ | ||
522 | .con_id = n, \ | ||
523 | .clk = &c, \ | ||
524 | }, | ||
525 | |||
526 | static struct clk_lookup lookups[] = { | ||
527 | _REGISTER_CLOCK(NULL, "emi", emi_clk) | ||
528 | _REGISTER_CLOCK("imx31-cspi.0", NULL, cspi1_clk) | ||
529 | _REGISTER_CLOCK("imx31-cspi.1", NULL, cspi2_clk) | ||
530 | _REGISTER_CLOCK("imx31-cspi.2", NULL, cspi3_clk) | ||
531 | _REGISTER_CLOCK(NULL, "gpt", gpt_clk) | ||
532 | _REGISTER_CLOCK(NULL, "pwm", pwm_clk) | ||
533 | _REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk) | ||
534 | _REGISTER_CLOCK(NULL, "rtc", rtc_clk) | ||
535 | _REGISTER_CLOCK(NULL, "epit", epit1_clk) | ||
536 | _REGISTER_CLOCK(NULL, "epit", epit2_clk) | ||
537 | _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) | ||
538 | _REGISTER_CLOCK("ipu-core", NULL, ipu_clk) | ||
539 | _REGISTER_CLOCK("mx3_sdc_fb", NULL, ipu_clk) | ||
540 | _REGISTER_CLOCK(NULL, "kpp", kpp_clk) | ||
541 | _REGISTER_CLOCK("mxc-ehci.0", "usb", usb_clk1) | ||
542 | _REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", usb_clk2) | ||
543 | _REGISTER_CLOCK("mxc-ehci.1", "usb", usb_clk1) | ||
544 | _REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", usb_clk2) | ||
545 | _REGISTER_CLOCK("mxc-ehci.2", "usb", usb_clk1) | ||
546 | _REGISTER_CLOCK("mxc-ehci.2", "usb_ahb", usb_clk2) | ||
547 | _REGISTER_CLOCK("fsl-usb2-udc", "usb", usb_clk1) | ||
548 | _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usb_clk2) | ||
549 | _REGISTER_CLOCK("mx3-camera.0", NULL, csi_clk) | ||
550 | /* i.mx31 has the i.mx21 type uart */ | ||
551 | _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk) | ||
552 | _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk) | ||
553 | _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk) | ||
554 | _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk) | ||
555 | _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk) | ||
556 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) | ||
557 | _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) | ||
558 | _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_clk) | ||
559 | _REGISTER_CLOCK("mxc_w1.0", NULL, owire_clk) | ||
560 | _REGISTER_CLOCK("mxc-mmc.0", NULL, sdhc1_clk) | ||
561 | _REGISTER_CLOCK("mxc-mmc.1", NULL, sdhc2_clk) | ||
562 | _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) | ||
563 | _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) | ||
564 | _REGISTER_CLOCK(NULL, "firi", firi_clk) | ||
565 | _REGISTER_CLOCK("pata_imx", NULL, pata_clk) | ||
566 | _REGISTER_CLOCK(NULL, "rtic", rtic_clk) | ||
567 | _REGISTER_CLOCK(NULL, "rng", rng_clk) | ||
568 | _REGISTER_CLOCK("imx31-sdma", NULL, sdma_clk1) | ||
569 | _REGISTER_CLOCK(NULL, "sdma_ipg", sdma_clk2) | ||
570 | _REGISTER_CLOCK(NULL, "mstick", mstick1_clk) | ||
571 | _REGISTER_CLOCK(NULL, "mstick", mstick2_clk) | ||
572 | _REGISTER_CLOCK(NULL, "scc", scc_clk) | ||
573 | _REGISTER_CLOCK(NULL, "iim", iim_clk) | ||
574 | _REGISTER_CLOCK(NULL, "mpeg4", mpeg4_clk) | ||
575 | _REGISTER_CLOCK(NULL, "mbx", mbx_clk) | ||
576 | }; | ||
577 | |||
578 | int __init mx31_clocks_init(unsigned long fref) | ||
579 | { | ||
580 | u32 reg; | ||
581 | |||
582 | ckih_rate = fref; | ||
583 | |||
584 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
585 | |||
586 | /* change the csi_clk parent if necessary */ | ||
587 | reg = __raw_readl(MXC_CCM_CCMR); | ||
588 | if (!(reg & MXC_CCM_CCMR_CSCS)) | ||
589 | if (clk_set_parent(&csi_clk, &usb_pll_clk)) | ||
590 | pr_err("%s: error changing csi_clk parent\n", __func__); | ||
591 | |||
592 | |||
593 | /* Turn off all possible clocks */ | ||
594 | __raw_writel((3 << 4), MXC_CCM_CGR0); | ||
595 | __raw_writel(0, MXC_CCM_CGR1); | ||
596 | __raw_writel((3 << 8) | (3 << 14) | (3 << 16)| | ||
597 | 1 << 27 | 1 << 28, /* Bit 27 and 28 are not defined for | ||
598 | MX32, but still required to be set */ | ||
599 | MXC_CCM_CGR2); | ||
600 | |||
601 | /* | ||
602 | * Before turning off usb_pll make sure ipg_per_clk is generated | ||
603 | * by ipg_clk and not usb_pll. | ||
604 | */ | ||
605 | __raw_writel(__raw_readl(MXC_CCM_CCMR) | (1 << 24), MXC_CCM_CCMR); | ||
606 | |||
607 | usb_pll_disable(&usb_pll_clk); | ||
608 | |||
609 | pr_info("Clock input source is %ld\n", clk_get_rate(&ckih_clk)); | ||
610 | |||
611 | clk_enable(&gpt_clk); | ||
612 | clk_enable(&emi_clk); | ||
613 | clk_enable(&iim_clk); | ||
614 | mx31_revision(); | ||
615 | clk_disable(&iim_clk); | ||
616 | |||
617 | clk_enable(&serial_pll_clk); | ||
618 | |||
619 | if (mx31_revision() >= IMX_CHIP_REVISION_2_0) { | ||
620 | reg = __raw_readl(MXC_CCM_PMCR1); | ||
621 | /* No PLL restart on DVFS switch; enable auto EMI handshake */ | ||
622 | reg |= MXC_CCM_PMCR1_PLLRDIS | MXC_CCM_PMCR1_EMIRQ_EN; | ||
623 | __raw_writel(reg, MXC_CCM_PMCR1); | ||
624 | } | ||
625 | |||
626 | mxc_timer_init(&ipg_clk, MX31_IO_ADDRESS(MX31_GPT1_BASE_ADDR), | ||
627 | MX31_INT_GPT); | ||
628 | |||
629 | return 0; | ||
630 | } | ||
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c deleted file mode 100644 index e56c1a83eee3..000000000000 --- a/arch/arm/mach-imx/clock-imx35.c +++ /dev/null | |||
@@ -1,536 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2009 by Sascha Hauer, Pengutronix | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; either version 2 | ||
7 | * of the License, or (at your option) any later version. | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program; if not, write to the Free Software | ||
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
16 | * MA 02110-1301, USA. | ||
17 | */ | ||
18 | |||
19 | #include <linux/kernel.h> | ||
20 | #include <linux/init.h> | ||
21 | #include <linux/list.h> | ||
22 | #include <linux/clk.h> | ||
23 | #include <linux/io.h> | ||
24 | #include <linux/clkdev.h> | ||
25 | |||
26 | #include <mach/clock.h> | ||
27 | #include <mach/hardware.h> | ||
28 | #include <mach/common.h> | ||
29 | |||
30 | #include "crmregs-imx3.h" | ||
31 | |||
32 | #ifdef HAVE_SET_RATE_SUPPORT | ||
33 | static void calc_dividers(u32 div, u32 *pre, u32 *post, u32 maxpost) | ||
34 | { | ||
35 | u32 min_pre, temp_pre, old_err, err; | ||
36 | |||
37 | min_pre = (div - 1) / maxpost + 1; | ||
38 | old_err = 8; | ||
39 | |||
40 | for (temp_pre = 8; temp_pre >= min_pre; temp_pre--) { | ||
41 | if (div > (temp_pre * maxpost)) | ||
42 | break; | ||
43 | |||
44 | if (div < (temp_pre * temp_pre)) | ||
45 | continue; | ||
46 | |||
47 | err = div % temp_pre; | ||
48 | |||
49 | if (err == 0) { | ||
50 | *pre = temp_pre; | ||
51 | break; | ||
52 | } | ||
53 | |||
54 | err = temp_pre - err; | ||
55 | |||
56 | if (err < old_err) { | ||
57 | old_err = err; | ||
58 | *pre = temp_pre; | ||
59 | } | ||
60 | } | ||
61 | |||
62 | *post = (div + *pre - 1) / *pre; | ||
63 | } | ||
64 | |||
65 | /* get the best values for a 3-bit divider combined with a 6-bit divider */ | ||
66 | static void calc_dividers_3_6(u32 div, u32 *pre, u32 *post) | ||
67 | { | ||
68 | if (div >= 512) { | ||
69 | *pre = 8; | ||
70 | *post = 64; | ||
71 | } else if (div >= 64) { | ||
72 | calc_dividers(div, pre, post, 64); | ||
73 | } else if (div <= 8) { | ||
74 | *pre = div; | ||
75 | *post = 1; | ||
76 | } else { | ||
77 | *pre = 1; | ||
78 | *post = div; | ||
79 | } | ||
80 | } | ||
81 | |||
82 | /* get the best values for two cascaded 3-bit dividers */ | ||
83 | static void calc_dividers_3_3(u32 div, u32 *pre, u32 *post) | ||
84 | { | ||
85 | if (div >= 64) { | ||
86 | *pre = *post = 8; | ||
87 | } else if (div > 8) { | ||
88 | calc_dividers(div, pre, post, 8); | ||
89 | } else { | ||
90 | *pre = 1; | ||
91 | *post = div; | ||
92 | } | ||
93 | } | ||
94 | #endif | ||
95 | |||
96 | static unsigned long get_rate_mpll(void) | ||
97 | { | ||
98 | ulong mpctl = __raw_readl(MX35_CCM_MPCTL); | ||
99 | |||
100 | return mxc_decode_pll(mpctl, 24000000); | ||
101 | } | ||
102 | |||
103 | static unsigned long get_rate_ppll(void) | ||
104 | { | ||
105 | ulong ppctl = __raw_readl(MX35_CCM_PPCTL); | ||
106 | |||
107 | return mxc_decode_pll(ppctl, 24000000); | ||
108 | } | ||
109 | |||
110 | struct arm_ahb_div { | ||
111 | unsigned char arm, ahb, sel; | ||
112 | }; | ||
113 | |||
114 | static struct arm_ahb_div clk_consumer[] = { | ||
115 | { .arm = 1, .ahb = 4, .sel = 0}, | ||
116 | { .arm = 1, .ahb = 3, .sel = 1}, | ||
117 | { .arm = 2, .ahb = 2, .sel = 0}, | ||
118 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
119 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
120 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
121 | { .arm = 4, .ahb = 1, .sel = 0}, | ||
122 | { .arm = 1, .ahb = 5, .sel = 0}, | ||
123 | { .arm = 1, .ahb = 8, .sel = 0}, | ||
124 | { .arm = 1, .ahb = 6, .sel = 1}, | ||
125 | { .arm = 2, .ahb = 4, .sel = 0}, | ||
126 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
127 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
128 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
129 | { .arm = 4, .ahb = 2, .sel = 0}, | ||
130 | { .arm = 0, .ahb = 0, .sel = 0}, | ||
131 | }; | ||
132 | |||
133 | static unsigned long get_rate_arm(void) | ||
134 | { | ||
135 | unsigned long pdr0 = __raw_readl(MXC_CCM_PDR0); | ||
136 | struct arm_ahb_div *aad; | ||
137 | unsigned long fref = get_rate_mpll(); | ||
138 | |||
139 | aad = &clk_consumer[(pdr0 >> 16) & 0xf]; | ||
140 | if (aad->sel) | ||
141 | fref = fref * 3 / 4; | ||
142 | |||
143 | return fref / aad->arm; | ||
144 | } | ||
145 | |||
146 | static unsigned long get_rate_ahb(struct clk *clk) | ||
147 | { | ||
148 | unsigned long pdr0 = __raw_readl(MXC_CCM_PDR0); | ||
149 | struct arm_ahb_div *aad; | ||
150 | unsigned long fref = get_rate_arm(); | ||
151 | |||
152 | aad = &clk_consumer[(pdr0 >> 16) & 0xf]; | ||
153 | |||
154 | return fref / aad->ahb; | ||
155 | } | ||
156 | |||
157 | static unsigned long get_rate_ipg(struct clk *clk) | ||
158 | { | ||
159 | return get_rate_ahb(NULL) >> 1; | ||
160 | } | ||
161 | |||
162 | static unsigned long get_rate_uart(struct clk *clk) | ||
163 | { | ||
164 | unsigned long pdr3 = __raw_readl(MX35_CCM_PDR3); | ||
165 | unsigned long pdr4 = __raw_readl(MX35_CCM_PDR4); | ||
166 | unsigned long div = ((pdr4 >> 10) & 0x3f) + 1; | ||
167 | |||
168 | if (pdr3 & (1 << 14)) | ||
169 | return get_rate_arm() / div; | ||
170 | else | ||
171 | return get_rate_ppll() / div; | ||
172 | } | ||
173 | |||
174 | static unsigned long get_rate_sdhc(struct clk *clk) | ||
175 | { | ||
176 | unsigned long pdr3 = __raw_readl(MX35_CCM_PDR3); | ||
177 | unsigned long div, rate; | ||
178 | |||
179 | if (pdr3 & (1 << 6)) | ||
180 | rate = get_rate_arm(); | ||
181 | else | ||
182 | rate = get_rate_ppll(); | ||
183 | |||
184 | switch (clk->id) { | ||
185 | default: | ||
186 | case 0: | ||
187 | div = pdr3 & 0x3f; | ||
188 | break; | ||
189 | case 1: | ||
190 | div = (pdr3 >> 8) & 0x3f; | ||
191 | break; | ||
192 | case 2: | ||
193 | div = (pdr3 >> 16) & 0x3f; | ||
194 | break; | ||
195 | } | ||
196 | |||
197 | return rate / (div + 1); | ||
198 | } | ||
199 | |||
200 | static unsigned long get_rate_mshc(struct clk *clk) | ||
201 | { | ||
202 | unsigned long pdr1 = __raw_readl(MXC_CCM_PDR1); | ||
203 | unsigned long div1, div2, rate; | ||
204 | |||
205 | if (pdr1 & (1 << 7)) | ||
206 | rate = get_rate_arm(); | ||
207 | else | ||
208 | rate = get_rate_ppll(); | ||
209 | |||
210 | div1 = (pdr1 >> 29) & 0x7; | ||
211 | div2 = (pdr1 >> 22) & 0x3f; | ||
212 | |||
213 | return rate / ((div1 + 1) * (div2 + 1)); | ||
214 | } | ||
215 | |||
216 | static unsigned long get_rate_ssi(struct clk *clk) | ||
217 | { | ||
218 | unsigned long pdr2 = __raw_readl(MX35_CCM_PDR2); | ||
219 | unsigned long div1, div2, rate; | ||
220 | |||
221 | if (pdr2 & (1 << 6)) | ||
222 | rate = get_rate_arm(); | ||
223 | else | ||
224 | rate = get_rate_ppll(); | ||
225 | |||
226 | switch (clk->id) { | ||
227 | default: | ||
228 | case 0: | ||
229 | div1 = pdr2 & 0x3f; | ||
230 | div2 = (pdr2 >> 24) & 0x7; | ||
231 | break; | ||
232 | case 1: | ||
233 | div1 = (pdr2 >> 8) & 0x3f; | ||
234 | div2 = (pdr2 >> 27) & 0x7; | ||
235 | break; | ||
236 | } | ||
237 | |||
238 | return rate / ((div1 + 1) * (div2 + 1)); | ||
239 | } | ||
240 | |||
241 | static unsigned long get_rate_csi(struct clk *clk) | ||
242 | { | ||
243 | unsigned long pdr2 = __raw_readl(MX35_CCM_PDR2); | ||
244 | unsigned long rate; | ||
245 | |||
246 | if (pdr2 & (1 << 7)) | ||
247 | rate = get_rate_arm(); | ||
248 | else | ||
249 | rate = get_rate_ppll(); | ||
250 | |||
251 | return rate / (((pdr2 >> 16) & 0x3f) + 1); | ||
252 | } | ||
253 | |||
254 | static unsigned long get_rate_otg(struct clk *clk) | ||
255 | { | ||
256 | unsigned long pdr4 = __raw_readl(MX35_CCM_PDR4); | ||
257 | unsigned long rate; | ||
258 | |||
259 | if (pdr4 & (1 << 9)) | ||
260 | rate = get_rate_arm(); | ||
261 | else | ||
262 | rate = get_rate_ppll(); | ||
263 | |||
264 | return rate / (((pdr4 >> 22) & 0x3f) + 1); | ||
265 | } | ||
266 | |||
267 | static unsigned long get_rate_ipg_per(struct clk *clk) | ||
268 | { | ||
269 | unsigned long pdr0 = __raw_readl(MXC_CCM_PDR0); | ||
270 | unsigned long pdr4 = __raw_readl(MX35_CCM_PDR4); | ||
271 | unsigned long div; | ||
272 | |||
273 | if (pdr0 & (1 << 26)) { | ||
274 | div = (pdr4 >> 16) & 0x3f; | ||
275 | return get_rate_arm() / (div + 1); | ||
276 | } else { | ||
277 | div = (pdr0 >> 12) & 0x7; | ||
278 | return get_rate_ahb(NULL) / (div + 1); | ||
279 | } | ||
280 | } | ||
281 | |||
282 | static unsigned long get_rate_hsp(struct clk *clk) | ||
283 | { | ||
284 | unsigned long hsp_podf = (__raw_readl(MXC_CCM_PDR0) >> 20) & 0x03; | ||
285 | unsigned long fref = get_rate_mpll(); | ||
286 | |||
287 | if (fref > 400 * 1000 * 1000) { | ||
288 | switch (hsp_podf) { | ||
289 | case 0: | ||
290 | return fref >> 2; | ||
291 | case 1: | ||
292 | return fref >> 3; | ||
293 | case 2: | ||
294 | return fref / 3; | ||
295 | } | ||
296 | } else { | ||
297 | switch (hsp_podf) { | ||
298 | case 0: | ||
299 | case 2: | ||
300 | return fref / 3; | ||
301 | case 1: | ||
302 | return fref / 6; | ||
303 | } | ||
304 | } | ||
305 | |||
306 | return 0; | ||
307 | } | ||
308 | |||
309 | static int clk_cgr_enable(struct clk *clk) | ||
310 | { | ||
311 | u32 reg; | ||
312 | |||
313 | reg = __raw_readl(clk->enable_reg); | ||
314 | reg |= 3 << clk->enable_shift; | ||
315 | __raw_writel(reg, clk->enable_reg); | ||
316 | |||
317 | return 0; | ||
318 | } | ||
319 | |||
320 | static void clk_cgr_disable(struct clk *clk) | ||
321 | { | ||
322 | u32 reg; | ||
323 | |||
324 | reg = __raw_readl(clk->enable_reg); | ||
325 | reg &= ~(3 << clk->enable_shift); | ||
326 | __raw_writel(reg, clk->enable_reg); | ||
327 | } | ||
328 | |||
329 | #define DEFINE_CLOCK(name, i, er, es, gr, sr) \ | ||
330 | static struct clk name = { \ | ||
331 | .id = i, \ | ||
332 | .enable_reg = er, \ | ||
333 | .enable_shift = es, \ | ||
334 | .get_rate = gr, \ | ||
335 | .set_rate = sr, \ | ||
336 | .enable = clk_cgr_enable, \ | ||
337 | .disable = clk_cgr_disable, \ | ||
338 | } | ||
339 | |||
340 | DEFINE_CLOCK(asrc_clk, 0, MX35_CCM_CGR0, 0, NULL, NULL); | ||
341 | DEFINE_CLOCK(pata_clk, 0, MX35_CCM_CGR0, 2, get_rate_ipg, NULL); | ||
342 | /* DEFINE_CLOCK(audmux_clk, 0, MX35_CCM_CGR0, 4, NULL, NULL); */ | ||
343 | DEFINE_CLOCK(can1_clk, 0, MX35_CCM_CGR0, 6, get_rate_ipg, NULL); | ||
344 | DEFINE_CLOCK(can2_clk, 1, MX35_CCM_CGR0, 8, get_rate_ipg, NULL); | ||
345 | DEFINE_CLOCK(cspi1_clk, 0, MX35_CCM_CGR0, 10, get_rate_ipg, NULL); | ||
346 | DEFINE_CLOCK(cspi2_clk, 1, MX35_CCM_CGR0, 12, get_rate_ipg, NULL); | ||
347 | DEFINE_CLOCK(ect_clk, 0, MX35_CCM_CGR0, 14, get_rate_ipg, NULL); | ||
348 | DEFINE_CLOCK(edio_clk, 0, MX35_CCM_CGR0, 16, NULL, NULL); | ||
349 | DEFINE_CLOCK(emi_clk, 0, MX35_CCM_CGR0, 18, get_rate_ipg, NULL); | ||
350 | DEFINE_CLOCK(epit1_clk, 0, MX35_CCM_CGR0, 20, get_rate_ipg, NULL); | ||
351 | DEFINE_CLOCK(epit2_clk, 1, MX35_CCM_CGR0, 22, get_rate_ipg, NULL); | ||
352 | DEFINE_CLOCK(esai_clk, 0, MX35_CCM_CGR0, 24, NULL, NULL); | ||
353 | DEFINE_CLOCK(esdhc1_clk, 0, MX35_CCM_CGR0, 26, get_rate_sdhc, NULL); | ||
354 | DEFINE_CLOCK(esdhc2_clk, 1, MX35_CCM_CGR0, 28, get_rate_sdhc, NULL); | ||
355 | DEFINE_CLOCK(esdhc3_clk, 2, MX35_CCM_CGR0, 30, get_rate_sdhc, NULL); | ||
356 | |||
357 | DEFINE_CLOCK(fec_clk, 0, MX35_CCM_CGR1, 0, get_rate_ipg, NULL); | ||
358 | DEFINE_CLOCK(gpio1_clk, 0, MX35_CCM_CGR1, 2, NULL, NULL); | ||
359 | DEFINE_CLOCK(gpio2_clk, 1, MX35_CCM_CGR1, 4, NULL, NULL); | ||
360 | DEFINE_CLOCK(gpio3_clk, 2, MX35_CCM_CGR1, 6, NULL, NULL); | ||
361 | DEFINE_CLOCK(gpt_clk, 0, MX35_CCM_CGR1, 8, get_rate_ipg, NULL); | ||
362 | DEFINE_CLOCK(i2c1_clk, 0, MX35_CCM_CGR1, 10, get_rate_ipg_per, NULL); | ||
363 | DEFINE_CLOCK(i2c2_clk, 1, MX35_CCM_CGR1, 12, get_rate_ipg_per, NULL); | ||
364 | DEFINE_CLOCK(i2c3_clk, 2, MX35_CCM_CGR1, 14, get_rate_ipg_per, NULL); | ||
365 | DEFINE_CLOCK(iomuxc_clk, 0, MX35_CCM_CGR1, 16, NULL, NULL); | ||
366 | DEFINE_CLOCK(ipu_clk, 0, MX35_CCM_CGR1, 18, get_rate_hsp, NULL); | ||
367 | DEFINE_CLOCK(kpp_clk, 0, MX35_CCM_CGR1, 20, get_rate_ipg, NULL); | ||
368 | DEFINE_CLOCK(mlb_clk, 0, MX35_CCM_CGR1, 22, get_rate_ahb, NULL); | ||
369 | DEFINE_CLOCK(mshc_clk, 0, MX35_CCM_CGR1, 24, get_rate_mshc, NULL); | ||
370 | DEFINE_CLOCK(owire_clk, 0, MX35_CCM_CGR1, 26, get_rate_ipg_per, NULL); | ||
371 | DEFINE_CLOCK(pwm_clk, 0, MX35_CCM_CGR1, 28, get_rate_ipg_per, NULL); | ||
372 | DEFINE_CLOCK(rngc_clk, 0, MX35_CCM_CGR1, 30, get_rate_ipg, NULL); | ||
373 | |||
374 | DEFINE_CLOCK(rtc_clk, 0, MX35_CCM_CGR2, 0, get_rate_ipg, NULL); | ||
375 | DEFINE_CLOCK(rtic_clk, 0, MX35_CCM_CGR2, 2, get_rate_ahb, NULL); | ||
376 | DEFINE_CLOCK(scc_clk, 0, MX35_CCM_CGR2, 4, get_rate_ipg, NULL); | ||
377 | DEFINE_CLOCK(sdma_clk, 0, MX35_CCM_CGR2, 6, NULL, NULL); | ||
378 | DEFINE_CLOCK(spba_clk, 0, MX35_CCM_CGR2, 8, get_rate_ipg, NULL); | ||
379 | DEFINE_CLOCK(spdif_clk, 0, MX35_CCM_CGR2, 10, NULL, NULL); | ||
380 | DEFINE_CLOCK(ssi1_clk, 0, MX35_CCM_CGR2, 12, get_rate_ssi, NULL); | ||
381 | DEFINE_CLOCK(ssi2_clk, 1, MX35_CCM_CGR2, 14, get_rate_ssi, NULL); | ||
382 | DEFINE_CLOCK(uart1_clk, 0, MX35_CCM_CGR2, 16, get_rate_uart, NULL); | ||
383 | DEFINE_CLOCK(uart2_clk, 1, MX35_CCM_CGR2, 18, get_rate_uart, NULL); | ||
384 | DEFINE_CLOCK(uart3_clk, 2, MX35_CCM_CGR2, 20, get_rate_uart, NULL); | ||
385 | DEFINE_CLOCK(usbotg_clk, 0, MX35_CCM_CGR2, 22, get_rate_otg, NULL); | ||
386 | DEFINE_CLOCK(wdog_clk, 0, MX35_CCM_CGR2, 24, NULL, NULL); | ||
387 | DEFINE_CLOCK(max_clk, 0, MX35_CCM_CGR2, 26, NULL, NULL); | ||
388 | DEFINE_CLOCK(audmux_clk, 0, MX35_CCM_CGR2, 30, NULL, NULL); | ||
389 | |||
390 | DEFINE_CLOCK(csi_clk, 0, MX35_CCM_CGR3, 0, get_rate_csi, NULL); | ||
391 | DEFINE_CLOCK(iim_clk, 0, MX35_CCM_CGR3, 2, NULL, NULL); | ||
392 | DEFINE_CLOCK(gpu2d_clk, 0, MX35_CCM_CGR3, 4, NULL, NULL); | ||
393 | |||
394 | DEFINE_CLOCK(usbahb_clk, 0, 0, 0, get_rate_ahb, NULL); | ||
395 | |||
396 | static int clk_dummy_enable(struct clk *clk) | ||
397 | { | ||
398 | return 0; | ||
399 | } | ||
400 | |||
401 | static void clk_dummy_disable(struct clk *clk) | ||
402 | { | ||
403 | } | ||
404 | |||
405 | static unsigned long get_rate_nfc(struct clk *clk) | ||
406 | { | ||
407 | unsigned long div1; | ||
408 | |||
409 | div1 = (__raw_readl(MX35_CCM_PDR4) >> 28) + 1; | ||
410 | |||
411 | return get_rate_ahb(NULL) / div1; | ||
412 | } | ||
413 | |||
414 | /* NAND Controller: It seems it can't be disabled */ | ||
415 | static struct clk nfc_clk = { | ||
416 | .id = 0, | ||
417 | .enable_reg = 0, | ||
418 | .enable_shift = 0, | ||
419 | .get_rate = get_rate_nfc, | ||
420 | .set_rate = NULL, /* set_rate_nfc, */ | ||
421 | .enable = clk_dummy_enable, | ||
422 | .disable = clk_dummy_disable | ||
423 | }; | ||
424 | |||
425 | #define _REGISTER_CLOCK(d, n, c) \ | ||
426 | { \ | ||
427 | .dev_id = d, \ | ||
428 | .con_id = n, \ | ||
429 | .clk = &c, \ | ||
430 | }, | ||
431 | |||
432 | static struct clk_lookup lookups[] = { | ||
433 | _REGISTER_CLOCK(NULL, "asrc", asrc_clk) | ||
434 | _REGISTER_CLOCK("pata_imx", NULL, pata_clk) | ||
435 | _REGISTER_CLOCK("flexcan.0", NULL, can1_clk) | ||
436 | _REGISTER_CLOCK("flexcan.1", NULL, can2_clk) | ||
437 | _REGISTER_CLOCK("imx35-cspi.0", NULL, cspi1_clk) | ||
438 | _REGISTER_CLOCK("imx35-cspi.1", NULL, cspi2_clk) | ||
439 | _REGISTER_CLOCK(NULL, "ect", ect_clk) | ||
440 | _REGISTER_CLOCK(NULL, "edio", edio_clk) | ||
441 | _REGISTER_CLOCK(NULL, "emi", emi_clk) | ||
442 | _REGISTER_CLOCK("imx-epit.0", NULL, epit1_clk) | ||
443 | _REGISTER_CLOCK("imx-epit.1", NULL, epit2_clk) | ||
444 | _REGISTER_CLOCK(NULL, "esai", esai_clk) | ||
445 | _REGISTER_CLOCK("sdhci-esdhc-imx35.0", NULL, esdhc1_clk) | ||
446 | _REGISTER_CLOCK("sdhci-esdhc-imx35.1", NULL, esdhc2_clk) | ||
447 | _REGISTER_CLOCK("sdhci-esdhc-imx35.2", NULL, esdhc3_clk) | ||
448 | /* i.mx35 has the i.mx27 type fec */ | ||
449 | _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk) | ||
450 | _REGISTER_CLOCK(NULL, "gpio", gpio1_clk) | ||
451 | _REGISTER_CLOCK(NULL, "gpio", gpio2_clk) | ||
452 | _REGISTER_CLOCK(NULL, "gpio", gpio3_clk) | ||
453 | _REGISTER_CLOCK("gpt.0", NULL, gpt_clk) | ||
454 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) | ||
455 | _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) | ||
456 | _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_clk) | ||
457 | _REGISTER_CLOCK(NULL, "iomuxc", iomuxc_clk) | ||
458 | _REGISTER_CLOCK("ipu-core", NULL, ipu_clk) | ||
459 | _REGISTER_CLOCK("mx3_sdc_fb", NULL, ipu_clk) | ||
460 | _REGISTER_CLOCK(NULL, "kpp", kpp_clk) | ||
461 | _REGISTER_CLOCK(NULL, "mlb", mlb_clk) | ||
462 | _REGISTER_CLOCK(NULL, "mshc", mshc_clk) | ||
463 | _REGISTER_CLOCK("mxc_w1", NULL, owire_clk) | ||
464 | _REGISTER_CLOCK(NULL, "pwm", pwm_clk) | ||
465 | _REGISTER_CLOCK(NULL, "rngc", rngc_clk) | ||
466 | _REGISTER_CLOCK(NULL, "rtc", rtc_clk) | ||
467 | _REGISTER_CLOCK(NULL, "rtic", rtic_clk) | ||
468 | _REGISTER_CLOCK(NULL, "scc", scc_clk) | ||
469 | _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk) | ||
470 | _REGISTER_CLOCK(NULL, "spba", spba_clk) | ||
471 | _REGISTER_CLOCK(NULL, "spdif", spdif_clk) | ||
472 | _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) | ||
473 | _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) | ||
474 | /* i.mx35 has the i.mx21 type uart */ | ||
475 | _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk) | ||
476 | _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk) | ||
477 | _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk) | ||
478 | _REGISTER_CLOCK("mxc-ehci.0", "usb", usbotg_clk) | ||
479 | _REGISTER_CLOCK("mxc-ehci.1", "usb", usbotg_clk) | ||
480 | _REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk) | ||
481 | _REGISTER_CLOCK("fsl-usb2-udc", "usb", usbotg_clk) | ||
482 | _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usbahb_clk) | ||
483 | _REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk) | ||
484 | _REGISTER_CLOCK(NULL, "max", max_clk) | ||
485 | _REGISTER_CLOCK(NULL, "audmux", audmux_clk) | ||
486 | _REGISTER_CLOCK("mx3-camera.0", NULL, csi_clk) | ||
487 | _REGISTER_CLOCK(NULL, "iim", iim_clk) | ||
488 | _REGISTER_CLOCK(NULL, "gpu2d", gpu2d_clk) | ||
489 | _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) | ||
490 | }; | ||
491 | |||
492 | int __init mx35_clocks_init() | ||
493 | { | ||
494 | unsigned int cgr2 = 3 << 26; | ||
495 | |||
496 | #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) | ||
497 | cgr2 |= 3 << 16; | ||
498 | #endif | ||
499 | |||
500 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
501 | |||
502 | /* Turn off all clocks except the ones we need to survive, namely: | ||
503 | * EMI, GPIO1/2/3, GPT, IOMUX, MAX and eventually uart | ||
504 | */ | ||
505 | __raw_writel((3 << 18), MX35_CCM_CGR0); | ||
506 | __raw_writel((3 << 2) | (3 << 4) | (3 << 6) | (3 << 8) | (3 << 16), | ||
507 | MX35_CCM_CGR1); | ||
508 | __raw_writel(cgr2, MX35_CCM_CGR2); | ||
509 | __raw_writel(0, MX35_CCM_CGR3); | ||
510 | |||
511 | clk_enable(&iim_clk); | ||
512 | imx_print_silicon_rev("i.MX35", mx35_revision()); | ||
513 | clk_disable(&iim_clk); | ||
514 | |||
515 | /* | ||
516 | * Check if we came up in internal boot mode. If yes, we need some | ||
517 | * extra clocks turned on, otherwise the MX35 boot ROM code will | ||
518 | * hang after a watchdog reset. | ||
519 | */ | ||
520 | if (!(__raw_readl(MX35_CCM_RCSR) & (3 << 10))) { | ||
521 | /* Additionally turn on UART1, SCC, and IIM clocks */ | ||
522 | clk_enable(&iim_clk); | ||
523 | clk_enable(&uart1_clk); | ||
524 | clk_enable(&scc_clk); | ||
525 | } | ||
526 | |||
527 | #ifdef CONFIG_MXC_USE_EPIT | ||
528 | epit_timer_init(&epit1_clk, | ||
529 | MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1); | ||
530 | #else | ||
531 | mxc_timer_init(&gpt_clk, | ||
532 | MX35_IO_ADDRESS(MX35_GPT1_BASE_ADDR), MX35_INT_GPT); | ||
533 | #endif | ||
534 | |||
535 | return 0; | ||
536 | } | ||
diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c deleted file mode 100644 index 111c328f5420..000000000000 --- a/arch/arm/mach-imx/clock-imx6q.c +++ /dev/null | |||
@@ -1,2111 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2011 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/init.h> | ||
14 | #include <linux/types.h> | ||
15 | #include <linux/clk.h> | ||
16 | #include <linux/clkdev.h> | ||
17 | #include <linux/io.h> | ||
18 | #include <linux/of.h> | ||
19 | #include <linux/of_address.h> | ||
20 | #include <linux/of_irq.h> | ||
21 | #include <asm/div64.h> | ||
22 | #include <asm/mach/map.h> | ||
23 | #include <mach/clock.h> | ||
24 | #include <mach/common.h> | ||
25 | #include <mach/hardware.h> | ||
26 | |||
27 | #define PLL_BASE IMX_IO_ADDRESS(MX6Q_ANATOP_BASE_ADDR) | ||
28 | #define PLL1_SYS (PLL_BASE + 0x000) | ||
29 | #define PLL2_BUS (PLL_BASE + 0x030) | ||
30 | #define PLL3_USB_OTG (PLL_BASE + 0x010) | ||
31 | #define PLL4_AUDIO (PLL_BASE + 0x070) | ||
32 | #define PLL5_VIDEO (PLL_BASE + 0x0a0) | ||
33 | #define PLL6_MLB (PLL_BASE + 0x0d0) | ||
34 | #define PLL7_USB_HOST (PLL_BASE + 0x020) | ||
35 | #define PLL8_ENET (PLL_BASE + 0x0e0) | ||
36 | #define PFD_480 (PLL_BASE + 0x0f0) | ||
37 | #define PFD_528 (PLL_BASE + 0x100) | ||
38 | #define PLL_NUM_OFFSET 0x010 | ||
39 | #define PLL_DENOM_OFFSET 0x020 | ||
40 | |||
41 | #define PFD0 7 | ||
42 | #define PFD1 15 | ||
43 | #define PFD2 23 | ||
44 | #define PFD3 31 | ||
45 | #define PFD_FRAC_MASK 0x3f | ||
46 | |||
47 | #define BM_PLL_BYPASS (0x1 << 16) | ||
48 | #define BM_PLL_ENABLE (0x1 << 13) | ||
49 | #define BM_PLL_POWER_DOWN (0x1 << 12) | ||
50 | #define BM_PLL_LOCK (0x1 << 31) | ||
51 | #define BP_PLL_SYS_DIV_SELECT 0 | ||
52 | #define BM_PLL_SYS_DIV_SELECT (0x7f << 0) | ||
53 | #define BP_PLL_BUS_DIV_SELECT 0 | ||
54 | #define BM_PLL_BUS_DIV_SELECT (0x1 << 0) | ||
55 | #define BP_PLL_USB_DIV_SELECT 0 | ||
56 | #define BM_PLL_USB_DIV_SELECT (0x3 << 0) | ||
57 | #define BP_PLL_AV_DIV_SELECT 0 | ||
58 | #define BM_PLL_AV_DIV_SELECT (0x7f << 0) | ||
59 | #define BP_PLL_ENET_DIV_SELECT 0 | ||
60 | #define BM_PLL_ENET_DIV_SELECT (0x3 << 0) | ||
61 | #define BM_PLL_ENET_EN_PCIE (0x1 << 19) | ||
62 | #define BM_PLL_ENET_EN_SATA (0x1 << 20) | ||
63 | |||
64 | #define CCM_BASE IMX_IO_ADDRESS(MX6Q_CCM_BASE_ADDR) | ||
65 | #define CCR (CCM_BASE + 0x00) | ||
66 | #define CCDR (CCM_BASE + 0x04) | ||
67 | #define CSR (CCM_BASE + 0x08) | ||
68 | #define CCSR (CCM_BASE + 0x0c) | ||
69 | #define CACRR (CCM_BASE + 0x10) | ||
70 | #define CBCDR (CCM_BASE + 0x14) | ||
71 | #define CBCMR (CCM_BASE + 0x18) | ||
72 | #define CSCMR1 (CCM_BASE + 0x1c) | ||
73 | #define CSCMR2 (CCM_BASE + 0x20) | ||
74 | #define CSCDR1 (CCM_BASE + 0x24) | ||
75 | #define CS1CDR (CCM_BASE + 0x28) | ||
76 | #define CS2CDR (CCM_BASE + 0x2c) | ||
77 | #define CDCDR (CCM_BASE + 0x30) | ||
78 | #define CHSCCDR (CCM_BASE + 0x34) | ||
79 | #define CSCDR2 (CCM_BASE + 0x38) | ||
80 | #define CSCDR3 (CCM_BASE + 0x3c) | ||
81 | #define CSCDR4 (CCM_BASE + 0x40) | ||
82 | #define CWDR (CCM_BASE + 0x44) | ||
83 | #define CDHIPR (CCM_BASE + 0x48) | ||
84 | #define CDCR (CCM_BASE + 0x4c) | ||
85 | #define CTOR (CCM_BASE + 0x50) | ||
86 | #define CLPCR (CCM_BASE + 0x54) | ||
87 | #define CISR (CCM_BASE + 0x58) | ||
88 | #define CIMR (CCM_BASE + 0x5c) | ||
89 | #define CCOSR (CCM_BASE + 0x60) | ||
90 | #define CGPR (CCM_BASE + 0x64) | ||
91 | #define CCGR0 (CCM_BASE + 0x68) | ||
92 | #define CCGR1 (CCM_BASE + 0x6c) | ||
93 | #define CCGR2 (CCM_BASE + 0x70) | ||
94 | #define CCGR3 (CCM_BASE + 0x74) | ||
95 | #define CCGR4 (CCM_BASE + 0x78) | ||
96 | #define CCGR5 (CCM_BASE + 0x7c) | ||
97 | #define CCGR6 (CCM_BASE + 0x80) | ||
98 | #define CCGR7 (CCM_BASE + 0x84) | ||
99 | #define CMEOR (CCM_BASE + 0x88) | ||
100 | |||
101 | #define CG0 0 | ||
102 | #define CG1 2 | ||
103 | #define CG2 4 | ||
104 | #define CG3 6 | ||
105 | #define CG4 8 | ||
106 | #define CG5 10 | ||
107 | #define CG6 12 | ||
108 | #define CG7 14 | ||
109 | #define CG8 16 | ||
110 | #define CG9 18 | ||
111 | #define CG10 20 | ||
112 | #define CG11 22 | ||
113 | #define CG12 24 | ||
114 | #define CG13 26 | ||
115 | #define CG14 28 | ||
116 | #define CG15 30 | ||
117 | |||
118 | #define BM_CCSR_PLL1_SW_SEL (0x1 << 2) | ||
119 | #define BM_CCSR_STEP_SEL (0x1 << 8) | ||
120 | |||
121 | #define BP_CACRR_ARM_PODF 0 | ||
122 | #define BM_CACRR_ARM_PODF (0x7 << 0) | ||
123 | |||
124 | #define BP_CBCDR_PERIPH2_CLK2_PODF 0 | ||
125 | #define BM_CBCDR_PERIPH2_CLK2_PODF (0x7 << 0) | ||
126 | #define BP_CBCDR_MMDC_CH1_AXI_PODF 3 | ||
127 | #define BM_CBCDR_MMDC_CH1_AXI_PODF (0x7 << 3) | ||
128 | #define BP_CBCDR_AXI_SEL 6 | ||
129 | #define BM_CBCDR_AXI_SEL (0x3 << 6) | ||
130 | #define BP_CBCDR_IPG_PODF 8 | ||
131 | #define BM_CBCDR_IPG_PODF (0x3 << 8) | ||
132 | #define BP_CBCDR_AHB_PODF 10 | ||
133 | #define BM_CBCDR_AHB_PODF (0x7 << 10) | ||
134 | #define BP_CBCDR_AXI_PODF 16 | ||
135 | #define BM_CBCDR_AXI_PODF (0x7 << 16) | ||
136 | #define BP_CBCDR_MMDC_CH0_AXI_PODF 19 | ||
137 | #define BM_CBCDR_MMDC_CH0_AXI_PODF (0x7 << 19) | ||
138 | #define BP_CBCDR_PERIPH_CLK_SEL 25 | ||
139 | #define BM_CBCDR_PERIPH_CLK_SEL (0x1 << 25) | ||
140 | #define BP_CBCDR_PERIPH2_CLK_SEL 26 | ||
141 | #define BM_CBCDR_PERIPH2_CLK_SEL (0x1 << 26) | ||
142 | #define BP_CBCDR_PERIPH_CLK2_PODF 27 | ||
143 | #define BM_CBCDR_PERIPH_CLK2_PODF (0x7 << 27) | ||
144 | |||
145 | #define BP_CBCMR_GPU2D_AXI_SEL 0 | ||
146 | #define BM_CBCMR_GPU2D_AXI_SEL (0x1 << 0) | ||
147 | #define BP_CBCMR_GPU3D_AXI_SEL 1 | ||
148 | #define BM_CBCMR_GPU3D_AXI_SEL (0x1 << 1) | ||
149 | #define BP_CBCMR_GPU3D_CORE_SEL 4 | ||
150 | #define BM_CBCMR_GPU3D_CORE_SEL (0x3 << 4) | ||
151 | #define BP_CBCMR_GPU3D_SHADER_SEL 8 | ||
152 | #define BM_CBCMR_GPU3D_SHADER_SEL (0x3 << 8) | ||
153 | #define BP_CBCMR_PCIE_AXI_SEL 10 | ||
154 | #define BM_CBCMR_PCIE_AXI_SEL (0x1 << 10) | ||
155 | #define BP_CBCMR_VDO_AXI_SEL 11 | ||
156 | #define BM_CBCMR_VDO_AXI_SEL (0x1 << 11) | ||
157 | #define BP_CBCMR_PERIPH_CLK2_SEL 12 | ||
158 | #define BM_CBCMR_PERIPH_CLK2_SEL (0x3 << 12) | ||
159 | #define BP_CBCMR_VPU_AXI_SEL 14 | ||
160 | #define BM_CBCMR_VPU_AXI_SEL (0x3 << 14) | ||
161 | #define BP_CBCMR_GPU2D_CORE_SEL 16 | ||
162 | #define BM_CBCMR_GPU2D_CORE_SEL (0x3 << 16) | ||
163 | #define BP_CBCMR_PRE_PERIPH_CLK_SEL 18 | ||
164 | #define BM_CBCMR_PRE_PERIPH_CLK_SEL (0x3 << 18) | ||
165 | #define BP_CBCMR_PERIPH2_CLK2_SEL 20 | ||
166 | #define BM_CBCMR_PERIPH2_CLK2_SEL (0x1 << 20) | ||
167 | #define BP_CBCMR_PRE_PERIPH2_CLK_SEL 21 | ||
168 | #define BM_CBCMR_PRE_PERIPH2_CLK_SEL (0x3 << 21) | ||
169 | #define BP_CBCMR_GPU2D_CORE_PODF 23 | ||
170 | #define BM_CBCMR_GPU2D_CORE_PODF (0x7 << 23) | ||
171 | #define BP_CBCMR_GPU3D_CORE_PODF 26 | ||
172 | #define BM_CBCMR_GPU3D_CORE_PODF (0x7 << 26) | ||
173 | #define BP_CBCMR_GPU3D_SHADER_PODF 29 | ||
174 | #define BM_CBCMR_GPU3D_SHADER_PODF (0x7 << 29) | ||
175 | |||
176 | #define BP_CSCMR1_PERCLK_PODF 0 | ||
177 | #define BM_CSCMR1_PERCLK_PODF (0x3f << 0) | ||
178 | #define BP_CSCMR1_SSI1_SEL 10 | ||
179 | #define BM_CSCMR1_SSI1_SEL (0x3 << 10) | ||
180 | #define BP_CSCMR1_SSI2_SEL 12 | ||
181 | #define BM_CSCMR1_SSI2_SEL (0x3 << 12) | ||
182 | #define BP_CSCMR1_SSI3_SEL 14 | ||
183 | #define BM_CSCMR1_SSI3_SEL (0x3 << 14) | ||
184 | #define BP_CSCMR1_USDHC1_SEL 16 | ||
185 | #define BM_CSCMR1_USDHC1_SEL (0x1 << 16) | ||
186 | #define BP_CSCMR1_USDHC2_SEL 17 | ||
187 | #define BM_CSCMR1_USDHC2_SEL (0x1 << 17) | ||
188 | #define BP_CSCMR1_USDHC3_SEL 18 | ||
189 | #define BM_CSCMR1_USDHC3_SEL (0x1 << 18) | ||
190 | #define BP_CSCMR1_USDHC4_SEL 19 | ||
191 | #define BM_CSCMR1_USDHC4_SEL (0x1 << 19) | ||
192 | #define BP_CSCMR1_EMI_PODF 20 | ||
193 | #define BM_CSCMR1_EMI_PODF (0x7 << 20) | ||
194 | #define BP_CSCMR1_EMI_SLOW_PODF 23 | ||
195 | #define BM_CSCMR1_EMI_SLOW_PODF (0x7 << 23) | ||
196 | #define BP_CSCMR1_EMI_SEL 27 | ||
197 | #define BM_CSCMR1_EMI_SEL (0x3 << 27) | ||
198 | #define BP_CSCMR1_EMI_SLOW_SEL 29 | ||
199 | #define BM_CSCMR1_EMI_SLOW_SEL (0x3 << 29) | ||
200 | |||
201 | #define BP_CSCMR2_CAN_PODF 2 | ||
202 | #define BM_CSCMR2_CAN_PODF (0x3f << 2) | ||
203 | #define BM_CSCMR2_LDB_DI0_IPU_DIV (0x1 << 10) | ||
204 | #define BM_CSCMR2_LDB_DI1_IPU_DIV (0x1 << 11) | ||
205 | #define BP_CSCMR2_ESAI_SEL 19 | ||
206 | #define BM_CSCMR2_ESAI_SEL (0x3 << 19) | ||
207 | |||
208 | #define BP_CSCDR1_UART_PODF 0 | ||
209 | #define BM_CSCDR1_UART_PODF (0x3f << 0) | ||
210 | #define BP_CSCDR1_USDHC1_PODF 11 | ||
211 | #define BM_CSCDR1_USDHC1_PODF (0x7 << 11) | ||
212 | #define BP_CSCDR1_USDHC2_PODF 16 | ||
213 | #define BM_CSCDR1_USDHC2_PODF (0x7 << 16) | ||
214 | #define BP_CSCDR1_USDHC3_PODF 19 | ||
215 | #define BM_CSCDR1_USDHC3_PODF (0x7 << 19) | ||
216 | #define BP_CSCDR1_USDHC4_PODF 22 | ||
217 | #define BM_CSCDR1_USDHC4_PODF (0x7 << 22) | ||
218 | #define BP_CSCDR1_VPU_AXI_PODF 25 | ||
219 | #define BM_CSCDR1_VPU_AXI_PODF (0x7 << 25) | ||
220 | |||
221 | #define BP_CS1CDR_SSI1_PODF 0 | ||
222 | #define BM_CS1CDR_SSI1_PODF (0x3f << 0) | ||
223 | #define BP_CS1CDR_SSI1_PRED 6 | ||
224 | #define BM_CS1CDR_SSI1_PRED (0x7 << 6) | ||
225 | #define BP_CS1CDR_ESAI_PRED 9 | ||
226 | #define BM_CS1CDR_ESAI_PRED (0x7 << 9) | ||
227 | #define BP_CS1CDR_SSI3_PODF 16 | ||
228 | #define BM_CS1CDR_SSI3_PODF (0x3f << 16) | ||
229 | #define BP_CS1CDR_SSI3_PRED 22 | ||
230 | #define BM_CS1CDR_SSI3_PRED (0x7 << 22) | ||
231 | #define BP_CS1CDR_ESAI_PODF 25 | ||
232 | #define BM_CS1CDR_ESAI_PODF (0x7 << 25) | ||
233 | |||
234 | #define BP_CS2CDR_SSI2_PODF 0 | ||
235 | #define BM_CS2CDR_SSI2_PODF (0x3f << 0) | ||
236 | #define BP_CS2CDR_SSI2_PRED 6 | ||
237 | #define BM_CS2CDR_SSI2_PRED (0x7 << 6) | ||
238 | #define BP_CS2CDR_LDB_DI0_SEL 9 | ||
239 | #define BM_CS2CDR_LDB_DI0_SEL (0x7 << 9) | ||
240 | #define BP_CS2CDR_LDB_DI1_SEL 12 | ||
241 | #define BM_CS2CDR_LDB_DI1_SEL (0x7 << 12) | ||
242 | #define BP_CS2CDR_ENFC_SEL 16 | ||
243 | #define BM_CS2CDR_ENFC_SEL (0x3 << 16) | ||
244 | #define BP_CS2CDR_ENFC_PRED 18 | ||
245 | #define BM_CS2CDR_ENFC_PRED (0x7 << 18) | ||
246 | #define BP_CS2CDR_ENFC_PODF 21 | ||
247 | #define BM_CS2CDR_ENFC_PODF (0x3f << 21) | ||
248 | |||
249 | #define BP_CDCDR_ASRC_SERIAL_SEL 7 | ||
250 | #define BM_CDCDR_ASRC_SERIAL_SEL (0x3 << 7) | ||
251 | #define BP_CDCDR_ASRC_SERIAL_PODF 9 | ||
252 | #define BM_CDCDR_ASRC_SERIAL_PODF (0x7 << 9) | ||
253 | #define BP_CDCDR_ASRC_SERIAL_PRED 12 | ||
254 | #define BM_CDCDR_ASRC_SERIAL_PRED (0x7 << 12) | ||
255 | #define BP_CDCDR_SPDIF_SEL 20 | ||
256 | #define BM_CDCDR_SPDIF_SEL (0x3 << 20) | ||
257 | #define BP_CDCDR_SPDIF_PODF 22 | ||
258 | #define BM_CDCDR_SPDIF_PODF (0x7 << 22) | ||
259 | #define BP_CDCDR_SPDIF_PRED 25 | ||
260 | #define BM_CDCDR_SPDIF_PRED (0x7 << 25) | ||
261 | #define BP_CDCDR_HSI_TX_PODF 29 | ||
262 | #define BM_CDCDR_HSI_TX_PODF (0x7 << 29) | ||
263 | #define BP_CDCDR_HSI_TX_SEL 28 | ||
264 | #define BM_CDCDR_HSI_TX_SEL (0x1 << 28) | ||
265 | |||
266 | #define BP_CHSCCDR_IPU1_DI0_SEL 0 | ||
267 | #define BM_CHSCCDR_IPU1_DI0_SEL (0x7 << 0) | ||
268 | #define BP_CHSCCDR_IPU1_DI0_PRE_PODF 3 | ||
269 | #define BM_CHSCCDR_IPU1_DI0_PRE_PODF (0x7 << 3) | ||
270 | #define BP_CHSCCDR_IPU1_DI0_PRE_SEL 6 | ||
271 | #define BM_CHSCCDR_IPU1_DI0_PRE_SEL (0x7 << 6) | ||
272 | #define BP_CHSCCDR_IPU1_DI1_SEL 9 | ||
273 | #define BM_CHSCCDR_IPU1_DI1_SEL (0x7 << 9) | ||
274 | #define BP_CHSCCDR_IPU1_DI1_PRE_PODF 12 | ||
275 | #define BM_CHSCCDR_IPU1_DI1_PRE_PODF (0x7 << 12) | ||
276 | #define BP_CHSCCDR_IPU1_DI1_PRE_SEL 15 | ||
277 | #define BM_CHSCCDR_IPU1_DI1_PRE_SEL (0x7 << 15) | ||
278 | |||
279 | #define BP_CSCDR2_IPU2_DI0_SEL 0 | ||
280 | #define BM_CSCDR2_IPU2_DI0_SEL (0x7) | ||
281 | #define BP_CSCDR2_IPU2_DI0_PRE_PODF 3 | ||
282 | #define BM_CSCDR2_IPU2_DI0_PRE_PODF (0x7 << 3) | ||
283 | #define BP_CSCDR2_IPU2_DI0_PRE_SEL 6 | ||
284 | #define BM_CSCDR2_IPU2_DI0_PRE_SEL (0x7 << 6) | ||
285 | #define BP_CSCDR2_IPU2_DI1_SEL 9 | ||
286 | #define BM_CSCDR2_IPU2_DI1_SEL (0x7 << 9) | ||
287 | #define BP_CSCDR2_IPU2_DI1_PRE_PODF 12 | ||
288 | #define BM_CSCDR2_IPU2_DI1_PRE_PODF (0x7 << 12) | ||
289 | #define BP_CSCDR2_IPU2_DI1_PRE_SEL 15 | ||
290 | #define BM_CSCDR2_IPU2_DI1_PRE_SEL (0x7 << 15) | ||
291 | #define BP_CSCDR2_ECSPI_CLK_PODF 19 | ||
292 | #define BM_CSCDR2_ECSPI_CLK_PODF (0x3f << 19) | ||
293 | |||
294 | #define BP_CSCDR3_IPU1_HSP_SEL 9 | ||
295 | #define BM_CSCDR3_IPU1_HSP_SEL (0x3 << 9) | ||
296 | #define BP_CSCDR3_IPU1_HSP_PODF 11 | ||
297 | #define BM_CSCDR3_IPU1_HSP_PODF (0x7 << 11) | ||
298 | #define BP_CSCDR3_IPU2_HSP_SEL 14 | ||
299 | #define BM_CSCDR3_IPU2_HSP_SEL (0x3 << 14) | ||
300 | #define BP_CSCDR3_IPU2_HSP_PODF 16 | ||
301 | #define BM_CSCDR3_IPU2_HSP_PODF (0x7 << 16) | ||
302 | |||
303 | #define BM_CDHIPR_AXI_PODF_BUSY (0x1 << 0) | ||
304 | #define BM_CDHIPR_AHB_PODF_BUSY (0x1 << 1) | ||
305 | #define BM_CDHIPR_MMDC_CH1_PODF_BUSY (0x1 << 2) | ||
306 | #define BM_CDHIPR_PERIPH2_SEL_BUSY (0x1 << 3) | ||
307 | #define BM_CDHIPR_MMDC_CH0_PODF_BUSY (0x1 << 4) | ||
308 | #define BM_CDHIPR_PERIPH_SEL_BUSY (0x1 << 5) | ||
309 | #define BM_CDHIPR_ARM_PODF_BUSY (0x1 << 16) | ||
310 | |||
311 | #define BP_CLPCR_LPM 0 | ||
312 | #define BM_CLPCR_LPM (0x3 << 0) | ||
313 | #define BM_CLPCR_BYPASS_PMIC_READY (0x1 << 2) | ||
314 | #define BM_CLPCR_ARM_CLK_DIS_ON_LPM (0x1 << 5) | ||
315 | #define BM_CLPCR_SBYOS (0x1 << 6) | ||
316 | #define BM_CLPCR_DIS_REF_OSC (0x1 << 7) | ||
317 | #define BM_CLPCR_VSTBY (0x1 << 8) | ||
318 | #define BP_CLPCR_STBY_COUNT 9 | ||
319 | #define BM_CLPCR_STBY_COUNT (0x3 << 9) | ||
320 | #define BM_CLPCR_COSC_PWRDOWN (0x1 << 11) | ||
321 | #define BM_CLPCR_WB_PER_AT_LPM (0x1 << 16) | ||
322 | #define BM_CLPCR_WB_CORE_AT_LPM (0x1 << 17) | ||
323 | #define BM_CLPCR_BYP_MMDC_CH0_LPM_HS (0x1 << 19) | ||
324 | #define BM_CLPCR_BYP_MMDC_CH1_LPM_HS (0x1 << 21) | ||
325 | #define BM_CLPCR_MASK_CORE0_WFI (0x1 << 22) | ||
326 | #define BM_CLPCR_MASK_CORE1_WFI (0x1 << 23) | ||
327 | #define BM_CLPCR_MASK_CORE2_WFI (0x1 << 24) | ||
328 | #define BM_CLPCR_MASK_CORE3_WFI (0x1 << 25) | ||
329 | #define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26) | ||
330 | #define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27) | ||
331 | |||
332 | #define BP_CCOSR_CKO1_EN 7 | ||
333 | #define BP_CCOSR_CKO1_PODF 4 | ||
334 | #define BM_CCOSR_CKO1_PODF (0x7 << 4) | ||
335 | #define BP_CCOSR_CKO1_SEL 0 | ||
336 | #define BM_CCOSR_CKO1_SEL (0xf << 0) | ||
337 | |||
338 | #define FREQ_480M 480000000 | ||
339 | #define FREQ_528M 528000000 | ||
340 | #define FREQ_594M 594000000 | ||
341 | #define FREQ_650M 650000000 | ||
342 | #define FREQ_1300M 1300000000 | ||
343 | |||
344 | static struct clk pll1_sys; | ||
345 | static struct clk pll2_bus; | ||
346 | static struct clk pll3_usb_otg; | ||
347 | static struct clk pll4_audio; | ||
348 | static struct clk pll5_video; | ||
349 | static struct clk pll6_mlb; | ||
350 | static struct clk pll7_usb_host; | ||
351 | static struct clk pll8_enet; | ||
352 | static struct clk apbh_dma_clk; | ||
353 | static struct clk arm_clk; | ||
354 | static struct clk ipg_clk; | ||
355 | static struct clk ahb_clk; | ||
356 | static struct clk axi_clk; | ||
357 | static struct clk mmdc_ch0_axi_clk; | ||
358 | static struct clk mmdc_ch1_axi_clk; | ||
359 | static struct clk periph_clk; | ||
360 | static struct clk periph_pre_clk; | ||
361 | static struct clk periph_clk2_clk; | ||
362 | static struct clk periph2_clk; | ||
363 | static struct clk periph2_pre_clk; | ||
364 | static struct clk periph2_clk2_clk; | ||
365 | static struct clk gpu2d_core_clk; | ||
366 | static struct clk gpu3d_core_clk; | ||
367 | static struct clk gpu3d_shader_clk; | ||
368 | static struct clk ipg_perclk; | ||
369 | static struct clk emi_clk; | ||
370 | static struct clk emi_slow_clk; | ||
371 | static struct clk can1_clk; | ||
372 | static struct clk uart_clk; | ||
373 | static struct clk usdhc1_clk; | ||
374 | static struct clk usdhc2_clk; | ||
375 | static struct clk usdhc3_clk; | ||
376 | static struct clk usdhc4_clk; | ||
377 | static struct clk vpu_clk; | ||
378 | static struct clk hsi_tx_clk; | ||
379 | static struct clk ipu1_di0_pre_clk; | ||
380 | static struct clk ipu1_di1_pre_clk; | ||
381 | static struct clk ipu2_di0_pre_clk; | ||
382 | static struct clk ipu2_di1_pre_clk; | ||
383 | static struct clk ipu1_clk; | ||
384 | static struct clk ipu2_clk; | ||
385 | static struct clk ssi1_clk; | ||
386 | static struct clk ssi3_clk; | ||
387 | static struct clk esai_clk; | ||
388 | static struct clk ssi2_clk; | ||
389 | static struct clk spdif_clk; | ||
390 | static struct clk asrc_serial_clk; | ||
391 | static struct clk gpu2d_axi_clk; | ||
392 | static struct clk gpu3d_axi_clk; | ||
393 | static struct clk pcie_clk; | ||
394 | static struct clk vdo_axi_clk; | ||
395 | static struct clk ldb_di0_clk; | ||
396 | static struct clk ldb_di1_clk; | ||
397 | static struct clk ipu1_di0_clk; | ||
398 | static struct clk ipu1_di1_clk; | ||
399 | static struct clk ipu2_di0_clk; | ||
400 | static struct clk ipu2_di1_clk; | ||
401 | static struct clk enfc_clk; | ||
402 | static struct clk cko1_clk; | ||
403 | static struct clk dummy_clk = {}; | ||
404 | |||
405 | static unsigned long external_high_reference; | ||
406 | static unsigned long external_low_reference; | ||
407 | static unsigned long oscillator_reference; | ||
408 | |||
409 | static unsigned long get_oscillator_reference_clock_rate(struct clk *clk) | ||
410 | { | ||
411 | return oscillator_reference; | ||
412 | } | ||
413 | |||
414 | static unsigned long get_high_reference_clock_rate(struct clk *clk) | ||
415 | { | ||
416 | return external_high_reference; | ||
417 | } | ||
418 | |||
419 | static unsigned long get_low_reference_clock_rate(struct clk *clk) | ||
420 | { | ||
421 | return external_low_reference; | ||
422 | } | ||
423 | |||
424 | static struct clk ckil_clk = { | ||
425 | .get_rate = get_low_reference_clock_rate, | ||
426 | }; | ||
427 | |||
428 | static struct clk ckih_clk = { | ||
429 | .get_rate = get_high_reference_clock_rate, | ||
430 | }; | ||
431 | |||
432 | static struct clk osc_clk = { | ||
433 | .get_rate = get_oscillator_reference_clock_rate, | ||
434 | }; | ||
435 | |||
436 | static inline void __iomem *pll_get_reg_addr(struct clk *pll) | ||
437 | { | ||
438 | if (pll == &pll1_sys) | ||
439 | return PLL1_SYS; | ||
440 | else if (pll == &pll2_bus) | ||
441 | return PLL2_BUS; | ||
442 | else if (pll == &pll3_usb_otg) | ||
443 | return PLL3_USB_OTG; | ||
444 | else if (pll == &pll4_audio) | ||
445 | return PLL4_AUDIO; | ||
446 | else if (pll == &pll5_video) | ||
447 | return PLL5_VIDEO; | ||
448 | else if (pll == &pll6_mlb) | ||
449 | return PLL6_MLB; | ||
450 | else if (pll == &pll7_usb_host) | ||
451 | return PLL7_USB_HOST; | ||
452 | else if (pll == &pll8_enet) | ||
453 | return PLL8_ENET; | ||
454 | else | ||
455 | BUG(); | ||
456 | |||
457 | return NULL; | ||
458 | } | ||
459 | |||
460 | static int pll_enable(struct clk *clk) | ||
461 | { | ||
462 | int timeout = 0x100000; | ||
463 | void __iomem *reg; | ||
464 | u32 val; | ||
465 | |||
466 | reg = pll_get_reg_addr(clk); | ||
467 | val = readl_relaxed(reg); | ||
468 | val &= ~BM_PLL_BYPASS; | ||
469 | val &= ~BM_PLL_POWER_DOWN; | ||
470 | /* 480MHz PLLs have the opposite definition for power bit */ | ||
471 | if (clk == &pll3_usb_otg || clk == &pll7_usb_host) | ||
472 | val |= BM_PLL_POWER_DOWN; | ||
473 | writel_relaxed(val, reg); | ||
474 | |||
475 | /* Wait for PLL to lock */ | ||
476 | while (!(readl_relaxed(reg) & BM_PLL_LOCK) && --timeout) | ||
477 | cpu_relax(); | ||
478 | |||
479 | if (unlikely(!timeout)) | ||
480 | return -EBUSY; | ||
481 | |||
482 | /* Enable the PLL output now */ | ||
483 | val = readl_relaxed(reg); | ||
484 | val |= BM_PLL_ENABLE; | ||
485 | writel_relaxed(val, reg); | ||
486 | |||
487 | return 0; | ||
488 | } | ||
489 | |||
490 | static void pll_disable(struct clk *clk) | ||
491 | { | ||
492 | void __iomem *reg; | ||
493 | u32 val; | ||
494 | |||
495 | reg = pll_get_reg_addr(clk); | ||
496 | val = readl_relaxed(reg); | ||
497 | val &= ~BM_PLL_ENABLE; | ||
498 | val |= BM_PLL_BYPASS; | ||
499 | val |= BM_PLL_POWER_DOWN; | ||
500 | if (clk == &pll3_usb_otg || clk == &pll7_usb_host) | ||
501 | val &= ~BM_PLL_POWER_DOWN; | ||
502 | writel_relaxed(val, reg); | ||
503 | } | ||
504 | |||
505 | static unsigned long pll1_sys_get_rate(struct clk *clk) | ||
506 | { | ||
507 | u32 div = (readl_relaxed(PLL1_SYS) & BM_PLL_SYS_DIV_SELECT) >> | ||
508 | BP_PLL_SYS_DIV_SELECT; | ||
509 | |||
510 | return clk_get_rate(clk->parent) * div / 2; | ||
511 | } | ||
512 | |||
513 | static int pll1_sys_set_rate(struct clk *clk, unsigned long rate) | ||
514 | { | ||
515 | u32 val, div; | ||
516 | |||
517 | if (rate < FREQ_650M || rate > FREQ_1300M) | ||
518 | return -EINVAL; | ||
519 | |||
520 | div = rate * 2 / clk_get_rate(clk->parent); | ||
521 | val = readl_relaxed(PLL1_SYS); | ||
522 | val &= ~BM_PLL_SYS_DIV_SELECT; | ||
523 | val |= div << BP_PLL_SYS_DIV_SELECT; | ||
524 | writel_relaxed(val, PLL1_SYS); | ||
525 | |||
526 | return 0; | ||
527 | } | ||
528 | |||
529 | static unsigned long pll8_enet_get_rate(struct clk *clk) | ||
530 | { | ||
531 | u32 div = (readl_relaxed(PLL8_ENET) & BM_PLL_ENET_DIV_SELECT) >> | ||
532 | BP_PLL_ENET_DIV_SELECT; | ||
533 | |||
534 | switch (div) { | ||
535 | case 0: | ||
536 | return 25000000; | ||
537 | case 1: | ||
538 | return 50000000; | ||
539 | case 2: | ||
540 | return 100000000; | ||
541 | case 3: | ||
542 | return 125000000; | ||
543 | } | ||
544 | |||
545 | return 0; | ||
546 | } | ||
547 | |||
548 | static int pll8_enet_set_rate(struct clk *clk, unsigned long rate) | ||
549 | { | ||
550 | u32 val, div; | ||
551 | |||
552 | switch (rate) { | ||
553 | case 25000000: | ||
554 | div = 0; | ||
555 | break; | ||
556 | case 50000000: | ||
557 | div = 1; | ||
558 | break; | ||
559 | case 100000000: | ||
560 | div = 2; | ||
561 | break; | ||
562 | case 125000000: | ||
563 | div = 3; | ||
564 | break; | ||
565 | default: | ||
566 | return -EINVAL; | ||
567 | } | ||
568 | |||
569 | val = readl_relaxed(PLL8_ENET); | ||
570 | val &= ~BM_PLL_ENET_DIV_SELECT; | ||
571 | val |= div << BP_PLL_ENET_DIV_SELECT; | ||
572 | writel_relaxed(val, PLL8_ENET); | ||
573 | |||
574 | return 0; | ||
575 | } | ||
576 | |||
577 | static unsigned long pll_av_get_rate(struct clk *clk) | ||
578 | { | ||
579 | void __iomem *reg = (clk == &pll4_audio) ? PLL4_AUDIO : PLL5_VIDEO; | ||
580 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
581 | u32 mfn = readl_relaxed(reg + PLL_NUM_OFFSET); | ||
582 | u32 mfd = readl_relaxed(reg + PLL_DENOM_OFFSET); | ||
583 | u32 div = (readl_relaxed(reg) & BM_PLL_AV_DIV_SELECT) >> | ||
584 | BP_PLL_AV_DIV_SELECT; | ||
585 | |||
586 | return (parent_rate * div) + ((parent_rate / mfd) * mfn); | ||
587 | } | ||
588 | |||
589 | static int pll_av_set_rate(struct clk *clk, unsigned long rate) | ||
590 | { | ||
591 | void __iomem *reg = (clk == &pll4_audio) ? PLL4_AUDIO : PLL5_VIDEO; | ||
592 | unsigned int parent_rate = clk_get_rate(clk->parent); | ||
593 | u32 val, div; | ||
594 | u32 mfn, mfd = 1000000; | ||
595 | s64 temp64; | ||
596 | |||
597 | if (rate < FREQ_650M || rate > FREQ_1300M) | ||
598 | return -EINVAL; | ||
599 | |||
600 | div = rate / parent_rate; | ||
601 | temp64 = (u64) (rate - div * parent_rate); | ||
602 | temp64 *= mfd; | ||
603 | do_div(temp64, parent_rate); | ||
604 | mfn = temp64; | ||
605 | |||
606 | val = readl_relaxed(reg); | ||
607 | val &= ~BM_PLL_AV_DIV_SELECT; | ||
608 | val |= div << BP_PLL_AV_DIV_SELECT; | ||
609 | writel_relaxed(val, reg); | ||
610 | writel_relaxed(mfn, reg + PLL_NUM_OFFSET); | ||
611 | writel_relaxed(mfd, reg + PLL_DENOM_OFFSET); | ||
612 | |||
613 | return 0; | ||
614 | } | ||
615 | |||
616 | static void __iomem *pll_get_div_reg_bit(struct clk *clk, u32 *bp, u32 *bm) | ||
617 | { | ||
618 | void __iomem *reg; | ||
619 | |||
620 | if (clk == &pll2_bus) { | ||
621 | reg = PLL2_BUS; | ||
622 | *bp = BP_PLL_BUS_DIV_SELECT; | ||
623 | *bm = BM_PLL_BUS_DIV_SELECT; | ||
624 | } else if (clk == &pll3_usb_otg) { | ||
625 | reg = PLL3_USB_OTG; | ||
626 | *bp = BP_PLL_USB_DIV_SELECT; | ||
627 | *bm = BM_PLL_USB_DIV_SELECT; | ||
628 | } else if (clk == &pll7_usb_host) { | ||
629 | reg = PLL7_USB_HOST; | ||
630 | *bp = BP_PLL_USB_DIV_SELECT; | ||
631 | *bm = BM_PLL_USB_DIV_SELECT; | ||
632 | } else { | ||
633 | BUG(); | ||
634 | } | ||
635 | |||
636 | return reg; | ||
637 | } | ||
638 | |||
639 | static unsigned long pll_get_rate(struct clk *clk) | ||
640 | { | ||
641 | void __iomem *reg; | ||
642 | u32 div, bp, bm; | ||
643 | |||
644 | reg = pll_get_div_reg_bit(clk, &bp, &bm); | ||
645 | div = (readl_relaxed(reg) & bm) >> bp; | ||
646 | |||
647 | return (div == 1) ? clk_get_rate(clk->parent) * 22 : | ||
648 | clk_get_rate(clk->parent) * 20; | ||
649 | } | ||
650 | |||
651 | static int pll_set_rate(struct clk *clk, unsigned long rate) | ||
652 | { | ||
653 | void __iomem *reg; | ||
654 | u32 val, div, bp, bm; | ||
655 | |||
656 | if (rate == FREQ_528M) | ||
657 | div = 1; | ||
658 | else if (rate == FREQ_480M) | ||
659 | div = 0; | ||
660 | else | ||
661 | return -EINVAL; | ||
662 | |||
663 | reg = pll_get_div_reg_bit(clk, &bp, &bm); | ||
664 | val = readl_relaxed(reg); | ||
665 | val &= ~bm; | ||
666 | val |= div << bp; | ||
667 | writel_relaxed(val, reg); | ||
668 | |||
669 | return 0; | ||
670 | } | ||
671 | |||
672 | #define pll2_bus_get_rate pll_get_rate | ||
673 | #define pll2_bus_set_rate pll_set_rate | ||
674 | #define pll3_usb_otg_get_rate pll_get_rate | ||
675 | #define pll3_usb_otg_set_rate pll_set_rate | ||
676 | #define pll7_usb_host_get_rate pll_get_rate | ||
677 | #define pll7_usb_host_set_rate pll_set_rate | ||
678 | #define pll4_audio_get_rate pll_av_get_rate | ||
679 | #define pll4_audio_set_rate pll_av_set_rate | ||
680 | #define pll5_video_get_rate pll_av_get_rate | ||
681 | #define pll5_video_set_rate pll_av_set_rate | ||
682 | #define pll6_mlb_get_rate NULL | ||
683 | #define pll6_mlb_set_rate NULL | ||
684 | |||
685 | #define DEF_PLL(name) \ | ||
686 | static struct clk name = { \ | ||
687 | .enable = pll_enable, \ | ||
688 | .disable = pll_disable, \ | ||
689 | .get_rate = name##_get_rate, \ | ||
690 | .set_rate = name##_set_rate, \ | ||
691 | .parent = &osc_clk, \ | ||
692 | } | ||
693 | |||
694 | DEF_PLL(pll1_sys); | ||
695 | DEF_PLL(pll2_bus); | ||
696 | DEF_PLL(pll3_usb_otg); | ||
697 | DEF_PLL(pll4_audio); | ||
698 | DEF_PLL(pll5_video); | ||
699 | DEF_PLL(pll6_mlb); | ||
700 | DEF_PLL(pll7_usb_host); | ||
701 | DEF_PLL(pll8_enet); | ||
702 | |||
703 | static unsigned long pfd_get_rate(struct clk *clk) | ||
704 | { | ||
705 | u64 tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
706 | u32 frac, bp_frac; | ||
707 | |||
708 | if (apbh_dma_clk.usecount == 0) | ||
709 | apbh_dma_clk.enable(&apbh_dma_clk); | ||
710 | |||
711 | bp_frac = clk->enable_shift - 7; | ||
712 | frac = readl_relaxed(clk->enable_reg) >> bp_frac & PFD_FRAC_MASK; | ||
713 | do_div(tmp, frac); | ||
714 | |||
715 | return tmp; | ||
716 | } | ||
717 | |||
718 | static int pfd_set_rate(struct clk *clk, unsigned long rate) | ||
719 | { | ||
720 | u32 val, frac, bp_frac; | ||
721 | u64 tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
722 | |||
723 | if (apbh_dma_clk.usecount == 0) | ||
724 | apbh_dma_clk.enable(&apbh_dma_clk); | ||
725 | |||
726 | /* | ||
727 | * Round up the divider so that we don't set a rate | ||
728 | * higher than what is requested | ||
729 | */ | ||
730 | tmp += rate / 2; | ||
731 | do_div(tmp, rate); | ||
732 | frac = tmp; | ||
733 | frac = (frac < 12) ? 12 : frac; | ||
734 | frac = (frac > 35) ? 35 : frac; | ||
735 | |||
736 | /* | ||
737 | * The frac field always starts from 7 bits lower | ||
738 | * position of enable bit | ||
739 | */ | ||
740 | bp_frac = clk->enable_shift - 7; | ||
741 | val = readl_relaxed(clk->enable_reg); | ||
742 | val &= ~(PFD_FRAC_MASK << bp_frac); | ||
743 | val |= frac << bp_frac; | ||
744 | writel_relaxed(val, clk->enable_reg); | ||
745 | |||
746 | tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
747 | do_div(tmp, frac); | ||
748 | |||
749 | if (apbh_dma_clk.usecount == 0) | ||
750 | apbh_dma_clk.disable(&apbh_dma_clk); | ||
751 | |||
752 | return 0; | ||
753 | } | ||
754 | |||
755 | static unsigned long pfd_round_rate(struct clk *clk, unsigned long rate) | ||
756 | { | ||
757 | u32 frac; | ||
758 | u64 tmp; | ||
759 | |||
760 | tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
761 | tmp += rate / 2; | ||
762 | do_div(tmp, rate); | ||
763 | frac = tmp; | ||
764 | frac = (frac < 12) ? 12 : frac; | ||
765 | frac = (frac > 35) ? 35 : frac; | ||
766 | tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
767 | do_div(tmp, frac); | ||
768 | |||
769 | return tmp; | ||
770 | } | ||
771 | |||
772 | static int pfd_enable(struct clk *clk) | ||
773 | { | ||
774 | u32 val; | ||
775 | |||
776 | if (apbh_dma_clk.usecount == 0) | ||
777 | apbh_dma_clk.enable(&apbh_dma_clk); | ||
778 | |||
779 | val = readl_relaxed(clk->enable_reg); | ||
780 | val &= ~(1 << clk->enable_shift); | ||
781 | writel_relaxed(val, clk->enable_reg); | ||
782 | |||
783 | if (apbh_dma_clk.usecount == 0) | ||
784 | apbh_dma_clk.disable(&apbh_dma_clk); | ||
785 | |||
786 | return 0; | ||
787 | } | ||
788 | |||
789 | static void pfd_disable(struct clk *clk) | ||
790 | { | ||
791 | u32 val; | ||
792 | |||
793 | if (apbh_dma_clk.usecount == 0) | ||
794 | apbh_dma_clk.enable(&apbh_dma_clk); | ||
795 | |||
796 | val = readl_relaxed(clk->enable_reg); | ||
797 | val |= 1 << clk->enable_shift; | ||
798 | writel_relaxed(val, clk->enable_reg); | ||
799 | |||
800 | if (apbh_dma_clk.usecount == 0) | ||
801 | apbh_dma_clk.disable(&apbh_dma_clk); | ||
802 | } | ||
803 | |||
804 | #define DEF_PFD(name, er, es, p) \ | ||
805 | static struct clk name = { \ | ||
806 | .enable_reg = er, \ | ||
807 | .enable_shift = es, \ | ||
808 | .enable = pfd_enable, \ | ||
809 | .disable = pfd_disable, \ | ||
810 | .get_rate = pfd_get_rate, \ | ||
811 | .set_rate = pfd_set_rate, \ | ||
812 | .round_rate = pfd_round_rate, \ | ||
813 | .parent = p, \ | ||
814 | } | ||
815 | |||
816 | DEF_PFD(pll2_pfd_352m, PFD_528, PFD0, &pll2_bus); | ||
817 | DEF_PFD(pll2_pfd_594m, PFD_528, PFD1, &pll2_bus); | ||
818 | DEF_PFD(pll2_pfd_400m, PFD_528, PFD2, &pll2_bus); | ||
819 | DEF_PFD(pll3_pfd_720m, PFD_480, PFD0, &pll3_usb_otg); | ||
820 | DEF_PFD(pll3_pfd_540m, PFD_480, PFD1, &pll3_usb_otg); | ||
821 | DEF_PFD(pll3_pfd_508m, PFD_480, PFD2, &pll3_usb_otg); | ||
822 | DEF_PFD(pll3_pfd_454m, PFD_480, PFD3, &pll3_usb_otg); | ||
823 | |||
824 | static unsigned long twd_clk_get_rate(struct clk *clk) | ||
825 | { | ||
826 | return clk_get_rate(clk->parent) / 2; | ||
827 | } | ||
828 | |||
829 | static struct clk twd_clk = { | ||
830 | .parent = &arm_clk, | ||
831 | .get_rate = twd_clk_get_rate, | ||
832 | }; | ||
833 | |||
834 | static unsigned long pll2_200m_get_rate(struct clk *clk) | ||
835 | { | ||
836 | return clk_get_rate(clk->parent) / 2; | ||
837 | } | ||
838 | |||
839 | static struct clk pll2_200m = { | ||
840 | .parent = &pll2_pfd_400m, | ||
841 | .get_rate = pll2_200m_get_rate, | ||
842 | }; | ||
843 | |||
844 | static unsigned long pll3_120m_get_rate(struct clk *clk) | ||
845 | { | ||
846 | return clk_get_rate(clk->parent) / 4; | ||
847 | } | ||
848 | |||
849 | static struct clk pll3_120m = { | ||
850 | .parent = &pll3_usb_otg, | ||
851 | .get_rate = pll3_120m_get_rate, | ||
852 | }; | ||
853 | |||
854 | static unsigned long pll3_80m_get_rate(struct clk *clk) | ||
855 | { | ||
856 | return clk_get_rate(clk->parent) / 6; | ||
857 | } | ||
858 | |||
859 | static struct clk pll3_80m = { | ||
860 | .parent = &pll3_usb_otg, | ||
861 | .get_rate = pll3_80m_get_rate, | ||
862 | }; | ||
863 | |||
864 | static unsigned long pll3_60m_get_rate(struct clk *clk) | ||
865 | { | ||
866 | return clk_get_rate(clk->parent) / 8; | ||
867 | } | ||
868 | |||
869 | static struct clk pll3_60m = { | ||
870 | .parent = &pll3_usb_otg, | ||
871 | .get_rate = pll3_60m_get_rate, | ||
872 | }; | ||
873 | |||
874 | static int pll1_sw_clk_set_parent(struct clk *clk, struct clk *parent) | ||
875 | { | ||
876 | u32 val = readl_relaxed(CCSR); | ||
877 | |||
878 | if (parent == &pll1_sys) { | ||
879 | val &= ~BM_CCSR_PLL1_SW_SEL; | ||
880 | val &= ~BM_CCSR_STEP_SEL; | ||
881 | } else if (parent == &osc_clk) { | ||
882 | val |= BM_CCSR_PLL1_SW_SEL; | ||
883 | val &= ~BM_CCSR_STEP_SEL; | ||
884 | } else if (parent == &pll2_pfd_400m) { | ||
885 | val |= BM_CCSR_PLL1_SW_SEL; | ||
886 | val |= BM_CCSR_STEP_SEL; | ||
887 | } else { | ||
888 | return -EINVAL; | ||
889 | } | ||
890 | |||
891 | writel_relaxed(val, CCSR); | ||
892 | |||
893 | return 0; | ||
894 | } | ||
895 | |||
896 | static struct clk pll1_sw_clk = { | ||
897 | .parent = &pll1_sys, | ||
898 | .set_parent = pll1_sw_clk_set_parent, | ||
899 | }; | ||
900 | |||
901 | static void calc_pred_podf_dividers(u32 div, u32 *pred, u32 *podf) | ||
902 | { | ||
903 | u32 min_pred, temp_pred, old_err, err; | ||
904 | |||
905 | if (div >= 512) { | ||
906 | *pred = 8; | ||
907 | *podf = 64; | ||
908 | } else if (div >= 8) { | ||
909 | min_pred = (div - 1) / 64 + 1; | ||
910 | old_err = 8; | ||
911 | for (temp_pred = 8; temp_pred >= min_pred; temp_pred--) { | ||
912 | err = div % temp_pred; | ||
913 | if (err == 0) { | ||
914 | *pred = temp_pred; | ||
915 | break; | ||
916 | } | ||
917 | err = temp_pred - err; | ||
918 | if (err < old_err) { | ||
919 | old_err = err; | ||
920 | *pred = temp_pred; | ||
921 | } | ||
922 | } | ||
923 | *podf = (div + *pred - 1) / *pred; | ||
924 | } else if (div < 8) { | ||
925 | *pred = div; | ||
926 | *podf = 1; | ||
927 | } | ||
928 | } | ||
929 | |||
930 | static int _clk_enable(struct clk *clk) | ||
931 | { | ||
932 | u32 reg; | ||
933 | reg = readl_relaxed(clk->enable_reg); | ||
934 | reg |= 0x3 << clk->enable_shift; | ||
935 | writel_relaxed(reg, clk->enable_reg); | ||
936 | |||
937 | return 0; | ||
938 | } | ||
939 | |||
940 | static void _clk_disable(struct clk *clk) | ||
941 | { | ||
942 | u32 reg; | ||
943 | reg = readl_relaxed(clk->enable_reg); | ||
944 | reg &= ~(0x3 << clk->enable_shift); | ||
945 | writel_relaxed(reg, clk->enable_reg); | ||
946 | } | ||
947 | |||
948 | static int _clk_enable_1b(struct clk *clk) | ||
949 | { | ||
950 | u32 reg; | ||
951 | reg = readl_relaxed(clk->enable_reg); | ||
952 | reg |= 0x1 << clk->enable_shift; | ||
953 | writel_relaxed(reg, clk->enable_reg); | ||
954 | |||
955 | return 0; | ||
956 | } | ||
957 | |||
958 | static void _clk_disable_1b(struct clk *clk) | ||
959 | { | ||
960 | u32 reg; | ||
961 | reg = readl_relaxed(clk->enable_reg); | ||
962 | reg &= ~(0x1 << clk->enable_shift); | ||
963 | writel_relaxed(reg, clk->enable_reg); | ||
964 | } | ||
965 | |||
966 | struct divider { | ||
967 | struct clk *clk; | ||
968 | void __iomem *reg; | ||
969 | u32 bp_pred; | ||
970 | u32 bm_pred; | ||
971 | u32 bp_podf; | ||
972 | u32 bm_podf; | ||
973 | }; | ||
974 | |||
975 | #define DEF_CLK_DIV1(d, c, r, b) \ | ||
976 | static struct divider d = { \ | ||
977 | .clk = c, \ | ||
978 | .reg = r, \ | ||
979 | .bp_podf = BP_##r##_##b##_PODF, \ | ||
980 | .bm_podf = BM_##r##_##b##_PODF, \ | ||
981 | } | ||
982 | |||
983 | DEF_CLK_DIV1(arm_div, &arm_clk, CACRR, ARM); | ||
984 | DEF_CLK_DIV1(ipg_div, &ipg_clk, CBCDR, IPG); | ||
985 | DEF_CLK_DIV1(ahb_div, &ahb_clk, CBCDR, AHB); | ||
986 | DEF_CLK_DIV1(axi_div, &axi_clk, CBCDR, AXI); | ||
987 | DEF_CLK_DIV1(mmdc_ch0_axi_div, &mmdc_ch0_axi_clk, CBCDR, MMDC_CH0_AXI); | ||
988 | DEF_CLK_DIV1(mmdc_ch1_axi_div, &mmdc_ch1_axi_clk, CBCDR, MMDC_CH1_AXI); | ||
989 | DEF_CLK_DIV1(periph_clk2_div, &periph_clk2_clk, CBCDR, PERIPH_CLK2); | ||
990 | DEF_CLK_DIV1(periph2_clk2_div, &periph2_clk2_clk, CBCDR, PERIPH2_CLK2); | ||
991 | DEF_CLK_DIV1(gpu2d_core_div, &gpu2d_core_clk, CBCMR, GPU2D_CORE); | ||
992 | DEF_CLK_DIV1(gpu3d_core_div, &gpu3d_core_clk, CBCMR, GPU3D_CORE); | ||
993 | DEF_CLK_DIV1(gpu3d_shader_div, &gpu3d_shader_clk, CBCMR, GPU3D_SHADER); | ||
994 | DEF_CLK_DIV1(ipg_perclk_div, &ipg_perclk, CSCMR1, PERCLK); | ||
995 | DEF_CLK_DIV1(emi_div, &emi_clk, CSCMR1, EMI); | ||
996 | DEF_CLK_DIV1(emi_slow_div, &emi_slow_clk, CSCMR1, EMI_SLOW); | ||
997 | DEF_CLK_DIV1(can_div, &can1_clk, CSCMR2, CAN); | ||
998 | DEF_CLK_DIV1(uart_div, &uart_clk, CSCDR1, UART); | ||
999 | DEF_CLK_DIV1(usdhc1_div, &usdhc1_clk, CSCDR1, USDHC1); | ||
1000 | DEF_CLK_DIV1(usdhc2_div, &usdhc2_clk, CSCDR1, USDHC2); | ||
1001 | DEF_CLK_DIV1(usdhc3_div, &usdhc3_clk, CSCDR1, USDHC3); | ||
1002 | DEF_CLK_DIV1(usdhc4_div, &usdhc4_clk, CSCDR1, USDHC4); | ||
1003 | DEF_CLK_DIV1(vpu_div, &vpu_clk, CSCDR1, VPU_AXI); | ||
1004 | DEF_CLK_DIV1(hsi_tx_div, &hsi_tx_clk, CDCDR, HSI_TX); | ||
1005 | DEF_CLK_DIV1(ipu1_di0_pre_div, &ipu1_di0_pre_clk, CHSCCDR, IPU1_DI0_PRE); | ||
1006 | DEF_CLK_DIV1(ipu1_di1_pre_div, &ipu1_di1_pre_clk, CHSCCDR, IPU1_DI1_PRE); | ||
1007 | DEF_CLK_DIV1(ipu2_di0_pre_div, &ipu2_di0_pre_clk, CSCDR2, IPU2_DI0_PRE); | ||
1008 | DEF_CLK_DIV1(ipu2_di1_pre_div, &ipu2_di1_pre_clk, CSCDR2, IPU2_DI1_PRE); | ||
1009 | DEF_CLK_DIV1(ipu1_div, &ipu1_clk, CSCDR3, IPU1_HSP); | ||
1010 | DEF_CLK_DIV1(ipu2_div, &ipu2_clk, CSCDR3, IPU2_HSP); | ||
1011 | DEF_CLK_DIV1(cko1_div, &cko1_clk, CCOSR, CKO1); | ||
1012 | |||
1013 | #define DEF_CLK_DIV2(d, c, r, b) \ | ||
1014 | static struct divider d = { \ | ||
1015 | .clk = c, \ | ||
1016 | .reg = r, \ | ||
1017 | .bp_pred = BP_##r##_##b##_PRED, \ | ||
1018 | .bm_pred = BM_##r##_##b##_PRED, \ | ||
1019 | .bp_podf = BP_##r##_##b##_PODF, \ | ||
1020 | .bm_podf = BM_##r##_##b##_PODF, \ | ||
1021 | } | ||
1022 | |||
1023 | DEF_CLK_DIV2(ssi1_div, &ssi1_clk, CS1CDR, SSI1); | ||
1024 | DEF_CLK_DIV2(ssi3_div, &ssi3_clk, CS1CDR, SSI3); | ||
1025 | DEF_CLK_DIV2(esai_div, &esai_clk, CS1CDR, ESAI); | ||
1026 | DEF_CLK_DIV2(ssi2_div, &ssi2_clk, CS2CDR, SSI2); | ||
1027 | DEF_CLK_DIV2(enfc_div, &enfc_clk, CS2CDR, ENFC); | ||
1028 | DEF_CLK_DIV2(spdif_div, &spdif_clk, CDCDR, SPDIF); | ||
1029 | DEF_CLK_DIV2(asrc_serial_div, &asrc_serial_clk, CDCDR, ASRC_SERIAL); | ||
1030 | |||
1031 | static struct divider *dividers[] = { | ||
1032 | &arm_div, | ||
1033 | &ipg_div, | ||
1034 | &ahb_div, | ||
1035 | &axi_div, | ||
1036 | &mmdc_ch0_axi_div, | ||
1037 | &mmdc_ch1_axi_div, | ||
1038 | &periph_clk2_div, | ||
1039 | &periph2_clk2_div, | ||
1040 | &gpu2d_core_div, | ||
1041 | &gpu3d_core_div, | ||
1042 | &gpu3d_shader_div, | ||
1043 | &ipg_perclk_div, | ||
1044 | &emi_div, | ||
1045 | &emi_slow_div, | ||
1046 | &can_div, | ||
1047 | &uart_div, | ||
1048 | &usdhc1_div, | ||
1049 | &usdhc2_div, | ||
1050 | &usdhc3_div, | ||
1051 | &usdhc4_div, | ||
1052 | &vpu_div, | ||
1053 | &hsi_tx_div, | ||
1054 | &ipu1_di0_pre_div, | ||
1055 | &ipu1_di1_pre_div, | ||
1056 | &ipu2_di0_pre_div, | ||
1057 | &ipu2_di1_pre_div, | ||
1058 | &ipu1_div, | ||
1059 | &ipu2_div, | ||
1060 | &ssi1_div, | ||
1061 | &ssi3_div, | ||
1062 | &esai_div, | ||
1063 | &ssi2_div, | ||
1064 | &enfc_div, | ||
1065 | &spdif_div, | ||
1066 | &asrc_serial_div, | ||
1067 | &cko1_div, | ||
1068 | }; | ||
1069 | |||
1070 | static unsigned long ldb_di_clk_get_rate(struct clk *clk) | ||
1071 | { | ||
1072 | u32 val = readl_relaxed(CSCMR2); | ||
1073 | |||
1074 | val &= (clk == &ldb_di0_clk) ? BM_CSCMR2_LDB_DI0_IPU_DIV : | ||
1075 | BM_CSCMR2_LDB_DI1_IPU_DIV; | ||
1076 | if (val) | ||
1077 | return clk_get_rate(clk->parent) / 7; | ||
1078 | else | ||
1079 | return clk_get_rate(clk->parent) * 2 / 7; | ||
1080 | } | ||
1081 | |||
1082 | static int ldb_di_clk_set_rate(struct clk *clk, unsigned long rate) | ||
1083 | { | ||
1084 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
1085 | u32 val = readl_relaxed(CSCMR2); | ||
1086 | |||
1087 | if (rate * 7 <= parent_rate + parent_rate / 20) | ||
1088 | val |= BM_CSCMR2_LDB_DI0_IPU_DIV; | ||
1089 | else | ||
1090 | val &= ~BM_CSCMR2_LDB_DI0_IPU_DIV; | ||
1091 | |||
1092 | writel_relaxed(val, CSCMR2); | ||
1093 | |||
1094 | return 0; | ||
1095 | } | ||
1096 | |||
1097 | static unsigned long ldb_di_clk_round_rate(struct clk *clk, unsigned long rate) | ||
1098 | { | ||
1099 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
1100 | |||
1101 | if (rate * 7 <= parent_rate + parent_rate / 20) | ||
1102 | return parent_rate / 7; | ||
1103 | else | ||
1104 | return 2 * parent_rate / 7; | ||
1105 | } | ||
1106 | |||
1107 | static unsigned long _clk_get_rate(struct clk *clk) | ||
1108 | { | ||
1109 | struct divider *d; | ||
1110 | u32 val, pred, podf; | ||
1111 | int i, num; | ||
1112 | |||
1113 | if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) | ||
1114 | return ldb_di_clk_get_rate(clk); | ||
1115 | |||
1116 | num = ARRAY_SIZE(dividers); | ||
1117 | for (i = 0; i < num; i++) | ||
1118 | if (dividers[i]->clk == clk) { | ||
1119 | d = dividers[i]; | ||
1120 | break; | ||
1121 | } | ||
1122 | if (i == num) | ||
1123 | return clk_get_rate(clk->parent); | ||
1124 | |||
1125 | val = readl_relaxed(d->reg); | ||
1126 | pred = ((val & d->bm_pred) >> d->bp_pred) + 1; | ||
1127 | podf = ((val & d->bm_podf) >> d->bp_podf) + 1; | ||
1128 | |||
1129 | return clk_get_rate(clk->parent) / (pred * podf); | ||
1130 | } | ||
1131 | |||
1132 | static int clk_busy_wait(struct clk *clk) | ||
1133 | { | ||
1134 | int timeout = 0x100000; | ||
1135 | u32 bm; | ||
1136 | |||
1137 | if (clk == &axi_clk) | ||
1138 | bm = BM_CDHIPR_AXI_PODF_BUSY; | ||
1139 | else if (clk == &ahb_clk) | ||
1140 | bm = BM_CDHIPR_AHB_PODF_BUSY; | ||
1141 | else if (clk == &mmdc_ch0_axi_clk) | ||
1142 | bm = BM_CDHIPR_MMDC_CH0_PODF_BUSY; | ||
1143 | else if (clk == &periph_clk) | ||
1144 | bm = BM_CDHIPR_PERIPH_SEL_BUSY; | ||
1145 | else if (clk == &arm_clk) | ||
1146 | bm = BM_CDHIPR_ARM_PODF_BUSY; | ||
1147 | else | ||
1148 | return -EINVAL; | ||
1149 | |||
1150 | while ((readl_relaxed(CDHIPR) & bm) && --timeout) | ||
1151 | cpu_relax(); | ||
1152 | |||
1153 | if (unlikely(!timeout)) | ||
1154 | return -EBUSY; | ||
1155 | |||
1156 | return 0; | ||
1157 | } | ||
1158 | |||
1159 | static int _clk_set_rate(struct clk *clk, unsigned long rate) | ||
1160 | { | ||
1161 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
1162 | struct divider *d; | ||
1163 | u32 val, div, max_div, pred = 0, podf; | ||
1164 | int i, num; | ||
1165 | |||
1166 | if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) | ||
1167 | return ldb_di_clk_set_rate(clk, rate); | ||
1168 | |||
1169 | num = ARRAY_SIZE(dividers); | ||
1170 | for (i = 0; i < num; i++) | ||
1171 | if (dividers[i]->clk == clk) { | ||
1172 | d = dividers[i]; | ||
1173 | break; | ||
1174 | } | ||
1175 | if (i == num) | ||
1176 | return -EINVAL; | ||
1177 | |||
1178 | max_div = ((d->bm_pred >> d->bp_pred) + 1) * | ||
1179 | ((d->bm_podf >> d->bp_podf) + 1); | ||
1180 | |||
1181 | div = parent_rate / rate; | ||
1182 | if (div == 0) | ||
1183 | div++; | ||
1184 | |||
1185 | if ((parent_rate / div != rate) || div > max_div) | ||
1186 | return -EINVAL; | ||
1187 | |||
1188 | if (d->bm_pred) { | ||
1189 | calc_pred_podf_dividers(div, &pred, &podf); | ||
1190 | } else { | ||
1191 | pred = 1; | ||
1192 | podf = div; | ||
1193 | } | ||
1194 | |||
1195 | val = readl_relaxed(d->reg); | ||
1196 | val &= ~(d->bm_pred | d->bm_podf); | ||
1197 | val |= (pred - 1) << d->bp_pred | (podf - 1) << d->bp_podf; | ||
1198 | writel_relaxed(val, d->reg); | ||
1199 | |||
1200 | if (clk == &axi_clk || clk == &ahb_clk || | ||
1201 | clk == &mmdc_ch0_axi_clk || clk == &arm_clk) | ||
1202 | return clk_busy_wait(clk); | ||
1203 | |||
1204 | return 0; | ||
1205 | } | ||
1206 | |||
1207 | static unsigned long _clk_round_rate(struct clk *clk, unsigned long rate) | ||
1208 | { | ||
1209 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
1210 | u32 div = parent_rate / rate; | ||
1211 | u32 div_max, pred = 0, podf; | ||
1212 | struct divider *d; | ||
1213 | int i, num; | ||
1214 | |||
1215 | if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) | ||
1216 | return ldb_di_clk_round_rate(clk, rate); | ||
1217 | |||
1218 | num = ARRAY_SIZE(dividers); | ||
1219 | for (i = 0; i < num; i++) | ||
1220 | if (dividers[i]->clk == clk) { | ||
1221 | d = dividers[i]; | ||
1222 | break; | ||
1223 | } | ||
1224 | if (i == num) | ||
1225 | return -EINVAL; | ||
1226 | |||
1227 | if (div == 0 || parent_rate % rate) | ||
1228 | div++; | ||
1229 | |||
1230 | if (d->bm_pred) { | ||
1231 | calc_pred_podf_dividers(div, &pred, &podf); | ||
1232 | div = pred * podf; | ||
1233 | } else { | ||
1234 | div_max = (d->bm_podf >> d->bp_podf) + 1; | ||
1235 | if (div > div_max) | ||
1236 | div = div_max; | ||
1237 | } | ||
1238 | |||
1239 | return parent_rate / div; | ||
1240 | } | ||
1241 | |||
1242 | struct multiplexer { | ||
1243 | struct clk *clk; | ||
1244 | void __iomem *reg; | ||
1245 | u32 bp; | ||
1246 | u32 bm; | ||
1247 | int pnum; | ||
1248 | struct clk *parents[]; | ||
1249 | }; | ||
1250 | |||
1251 | static struct multiplexer axi_mux = { | ||
1252 | .clk = &axi_clk, | ||
1253 | .reg = CBCDR, | ||
1254 | .bp = BP_CBCDR_AXI_SEL, | ||
1255 | .bm = BM_CBCDR_AXI_SEL, | ||
1256 | .parents = { | ||
1257 | &periph_clk, | ||
1258 | &pll2_pfd_400m, | ||
1259 | &pll3_pfd_540m, | ||
1260 | NULL | ||
1261 | }, | ||
1262 | }; | ||
1263 | |||
1264 | static struct multiplexer periph_mux = { | ||
1265 | .clk = &periph_clk, | ||
1266 | .reg = CBCDR, | ||
1267 | .bp = BP_CBCDR_PERIPH_CLK_SEL, | ||
1268 | .bm = BM_CBCDR_PERIPH_CLK_SEL, | ||
1269 | .parents = { | ||
1270 | &periph_pre_clk, | ||
1271 | &periph_clk2_clk, | ||
1272 | NULL | ||
1273 | }, | ||
1274 | }; | ||
1275 | |||
1276 | static struct multiplexer periph_pre_mux = { | ||
1277 | .clk = &periph_pre_clk, | ||
1278 | .reg = CBCMR, | ||
1279 | .bp = BP_CBCMR_PRE_PERIPH_CLK_SEL, | ||
1280 | .bm = BM_CBCMR_PRE_PERIPH_CLK_SEL, | ||
1281 | .parents = { | ||
1282 | &pll2_bus, | ||
1283 | &pll2_pfd_400m, | ||
1284 | &pll2_pfd_352m, | ||
1285 | &pll2_200m, | ||
1286 | NULL | ||
1287 | }, | ||
1288 | }; | ||
1289 | |||
1290 | static struct multiplexer periph_clk2_mux = { | ||
1291 | .clk = &periph_clk2_clk, | ||
1292 | .reg = CBCMR, | ||
1293 | .bp = BP_CBCMR_PERIPH_CLK2_SEL, | ||
1294 | .bm = BM_CBCMR_PERIPH_CLK2_SEL, | ||
1295 | .parents = { | ||
1296 | &pll3_usb_otg, | ||
1297 | &osc_clk, | ||
1298 | NULL | ||
1299 | }, | ||
1300 | }; | ||
1301 | |||
1302 | static struct multiplexer periph2_mux = { | ||
1303 | .clk = &periph2_clk, | ||
1304 | .reg = CBCDR, | ||
1305 | .bp = BP_CBCDR_PERIPH2_CLK_SEL, | ||
1306 | .bm = BM_CBCDR_PERIPH2_CLK_SEL, | ||
1307 | .parents = { | ||
1308 | &periph2_pre_clk, | ||
1309 | &periph2_clk2_clk, | ||
1310 | NULL | ||
1311 | }, | ||
1312 | }; | ||
1313 | |||
1314 | static struct multiplexer periph2_pre_mux = { | ||
1315 | .clk = &periph2_pre_clk, | ||
1316 | .reg = CBCMR, | ||
1317 | .bp = BP_CBCMR_PRE_PERIPH2_CLK_SEL, | ||
1318 | .bm = BM_CBCMR_PRE_PERIPH2_CLK_SEL, | ||
1319 | .parents = { | ||
1320 | &pll2_bus, | ||
1321 | &pll2_pfd_400m, | ||
1322 | &pll2_pfd_352m, | ||
1323 | &pll2_200m, | ||
1324 | NULL | ||
1325 | }, | ||
1326 | }; | ||
1327 | |||
1328 | static struct multiplexer periph2_clk2_mux = { | ||
1329 | .clk = &periph2_clk2_clk, | ||
1330 | .reg = CBCMR, | ||
1331 | .bp = BP_CBCMR_PERIPH2_CLK2_SEL, | ||
1332 | .bm = BM_CBCMR_PERIPH2_CLK2_SEL, | ||
1333 | .parents = { | ||
1334 | &pll3_usb_otg, | ||
1335 | &osc_clk, | ||
1336 | NULL | ||
1337 | }, | ||
1338 | }; | ||
1339 | |||
1340 | static struct multiplexer gpu2d_axi_mux = { | ||
1341 | .clk = &gpu2d_axi_clk, | ||
1342 | .reg = CBCMR, | ||
1343 | .bp = BP_CBCMR_GPU2D_AXI_SEL, | ||
1344 | .bm = BM_CBCMR_GPU2D_AXI_SEL, | ||
1345 | .parents = { | ||
1346 | &axi_clk, | ||
1347 | &ahb_clk, | ||
1348 | NULL | ||
1349 | }, | ||
1350 | }; | ||
1351 | |||
1352 | static struct multiplexer gpu3d_axi_mux = { | ||
1353 | .clk = &gpu3d_axi_clk, | ||
1354 | .reg = CBCMR, | ||
1355 | .bp = BP_CBCMR_GPU3D_AXI_SEL, | ||
1356 | .bm = BM_CBCMR_GPU3D_AXI_SEL, | ||
1357 | .parents = { | ||
1358 | &axi_clk, | ||
1359 | &ahb_clk, | ||
1360 | NULL | ||
1361 | }, | ||
1362 | }; | ||
1363 | |||
1364 | static struct multiplexer gpu3d_core_mux = { | ||
1365 | .clk = &gpu3d_core_clk, | ||
1366 | .reg = CBCMR, | ||
1367 | .bp = BP_CBCMR_GPU3D_CORE_SEL, | ||
1368 | .bm = BM_CBCMR_GPU3D_CORE_SEL, | ||
1369 | .parents = { | ||
1370 | &mmdc_ch0_axi_clk, | ||
1371 | &pll3_usb_otg, | ||
1372 | &pll2_pfd_594m, | ||
1373 | &pll2_pfd_400m, | ||
1374 | NULL | ||
1375 | }, | ||
1376 | }; | ||
1377 | |||
1378 | static struct multiplexer gpu3d_shader_mux = { | ||
1379 | .clk = &gpu3d_shader_clk, | ||
1380 | .reg = CBCMR, | ||
1381 | .bp = BP_CBCMR_GPU3D_SHADER_SEL, | ||
1382 | .bm = BM_CBCMR_GPU3D_SHADER_SEL, | ||
1383 | .parents = { | ||
1384 | &mmdc_ch0_axi_clk, | ||
1385 | &pll3_usb_otg, | ||
1386 | &pll2_pfd_594m, | ||
1387 | &pll3_pfd_720m, | ||
1388 | NULL | ||
1389 | }, | ||
1390 | }; | ||
1391 | |||
1392 | static struct multiplexer pcie_axi_mux = { | ||
1393 | .clk = &pcie_clk, | ||
1394 | .reg = CBCMR, | ||
1395 | .bp = BP_CBCMR_PCIE_AXI_SEL, | ||
1396 | .bm = BM_CBCMR_PCIE_AXI_SEL, | ||
1397 | .parents = { | ||
1398 | &axi_clk, | ||
1399 | &ahb_clk, | ||
1400 | NULL | ||
1401 | }, | ||
1402 | }; | ||
1403 | |||
1404 | static struct multiplexer vdo_axi_mux = { | ||
1405 | .clk = &vdo_axi_clk, | ||
1406 | .reg = CBCMR, | ||
1407 | .bp = BP_CBCMR_VDO_AXI_SEL, | ||
1408 | .bm = BM_CBCMR_VDO_AXI_SEL, | ||
1409 | .parents = { | ||
1410 | &axi_clk, | ||
1411 | &ahb_clk, | ||
1412 | NULL | ||
1413 | }, | ||
1414 | }; | ||
1415 | |||
1416 | static struct multiplexer vpu_axi_mux = { | ||
1417 | .clk = &vpu_clk, | ||
1418 | .reg = CBCMR, | ||
1419 | .bp = BP_CBCMR_VPU_AXI_SEL, | ||
1420 | .bm = BM_CBCMR_VPU_AXI_SEL, | ||
1421 | .parents = { | ||
1422 | &axi_clk, | ||
1423 | &pll2_pfd_400m, | ||
1424 | &pll2_pfd_352m, | ||
1425 | NULL | ||
1426 | }, | ||
1427 | }; | ||
1428 | |||
1429 | static struct multiplexer gpu2d_core_mux = { | ||
1430 | .clk = &gpu2d_core_clk, | ||
1431 | .reg = CBCMR, | ||
1432 | .bp = BP_CBCMR_GPU2D_CORE_SEL, | ||
1433 | .bm = BM_CBCMR_GPU2D_CORE_SEL, | ||
1434 | .parents = { | ||
1435 | &axi_clk, | ||
1436 | &pll3_usb_otg, | ||
1437 | &pll2_pfd_352m, | ||
1438 | &pll2_pfd_400m, | ||
1439 | NULL | ||
1440 | }, | ||
1441 | }; | ||
1442 | |||
1443 | #define DEF_SSI_MUX(id) \ | ||
1444 | static struct multiplexer ssi##id##_mux = { \ | ||
1445 | .clk = &ssi##id##_clk, \ | ||
1446 | .reg = CSCMR1, \ | ||
1447 | .bp = BP_CSCMR1_SSI##id##_SEL, \ | ||
1448 | .bm = BM_CSCMR1_SSI##id##_SEL, \ | ||
1449 | .parents = { \ | ||
1450 | &pll3_pfd_508m, \ | ||
1451 | &pll3_pfd_454m, \ | ||
1452 | &pll4_audio, \ | ||
1453 | NULL \ | ||
1454 | }, \ | ||
1455 | } | ||
1456 | |||
1457 | DEF_SSI_MUX(1); | ||
1458 | DEF_SSI_MUX(2); | ||
1459 | DEF_SSI_MUX(3); | ||
1460 | |||
1461 | #define DEF_USDHC_MUX(id) \ | ||
1462 | static struct multiplexer usdhc##id##_mux = { \ | ||
1463 | .clk = &usdhc##id##_clk, \ | ||
1464 | .reg = CSCMR1, \ | ||
1465 | .bp = BP_CSCMR1_USDHC##id##_SEL, \ | ||
1466 | .bm = BM_CSCMR1_USDHC##id##_SEL, \ | ||
1467 | .parents = { \ | ||
1468 | &pll2_pfd_400m, \ | ||
1469 | &pll2_pfd_352m, \ | ||
1470 | NULL \ | ||
1471 | }, \ | ||
1472 | } | ||
1473 | |||
1474 | DEF_USDHC_MUX(1); | ||
1475 | DEF_USDHC_MUX(2); | ||
1476 | DEF_USDHC_MUX(3); | ||
1477 | DEF_USDHC_MUX(4); | ||
1478 | |||
1479 | static struct multiplexer emi_mux = { | ||
1480 | .clk = &emi_clk, | ||
1481 | .reg = CSCMR1, | ||
1482 | .bp = BP_CSCMR1_EMI_SEL, | ||
1483 | .bm = BM_CSCMR1_EMI_SEL, | ||
1484 | .parents = { | ||
1485 | &axi_clk, | ||
1486 | &pll3_usb_otg, | ||
1487 | &pll2_pfd_400m, | ||
1488 | &pll2_pfd_352m, | ||
1489 | NULL | ||
1490 | }, | ||
1491 | }; | ||
1492 | |||
1493 | static struct multiplexer emi_slow_mux = { | ||
1494 | .clk = &emi_slow_clk, | ||
1495 | .reg = CSCMR1, | ||
1496 | .bp = BP_CSCMR1_EMI_SLOW_SEL, | ||
1497 | .bm = BM_CSCMR1_EMI_SLOW_SEL, | ||
1498 | .parents = { | ||
1499 | &axi_clk, | ||
1500 | &pll3_usb_otg, | ||
1501 | &pll2_pfd_400m, | ||
1502 | &pll2_pfd_352m, | ||
1503 | NULL | ||
1504 | }, | ||
1505 | }; | ||
1506 | |||
1507 | static struct multiplexer esai_mux = { | ||
1508 | .clk = &esai_clk, | ||
1509 | .reg = CSCMR2, | ||
1510 | .bp = BP_CSCMR2_ESAI_SEL, | ||
1511 | .bm = BM_CSCMR2_ESAI_SEL, | ||
1512 | .parents = { | ||
1513 | &pll4_audio, | ||
1514 | &pll3_pfd_508m, | ||
1515 | &pll3_pfd_454m, | ||
1516 | &pll3_usb_otg, | ||
1517 | NULL | ||
1518 | }, | ||
1519 | }; | ||
1520 | |||
1521 | #define DEF_LDB_DI_MUX(id) \ | ||
1522 | static struct multiplexer ldb_di##id##_mux = { \ | ||
1523 | .clk = &ldb_di##id##_clk, \ | ||
1524 | .reg = CS2CDR, \ | ||
1525 | .bp = BP_CS2CDR_LDB_DI##id##_SEL, \ | ||
1526 | .bm = BM_CS2CDR_LDB_DI##id##_SEL, \ | ||
1527 | .parents = { \ | ||
1528 | &pll5_video, \ | ||
1529 | &pll2_pfd_352m, \ | ||
1530 | &pll2_pfd_400m, \ | ||
1531 | &pll3_pfd_540m, \ | ||
1532 | &pll3_usb_otg, \ | ||
1533 | NULL \ | ||
1534 | }, \ | ||
1535 | } | ||
1536 | |||
1537 | DEF_LDB_DI_MUX(0); | ||
1538 | DEF_LDB_DI_MUX(1); | ||
1539 | |||
1540 | static struct multiplexer enfc_mux = { | ||
1541 | .clk = &enfc_clk, | ||
1542 | .reg = CS2CDR, | ||
1543 | .bp = BP_CS2CDR_ENFC_SEL, | ||
1544 | .bm = BM_CS2CDR_ENFC_SEL, | ||
1545 | .parents = { | ||
1546 | &pll2_pfd_352m, | ||
1547 | &pll2_bus, | ||
1548 | &pll3_usb_otg, | ||
1549 | &pll2_pfd_400m, | ||
1550 | NULL | ||
1551 | }, | ||
1552 | }; | ||
1553 | |||
1554 | static struct multiplexer spdif_mux = { | ||
1555 | .clk = &spdif_clk, | ||
1556 | .reg = CDCDR, | ||
1557 | .bp = BP_CDCDR_SPDIF_SEL, | ||
1558 | .bm = BM_CDCDR_SPDIF_SEL, | ||
1559 | .parents = { | ||
1560 | &pll4_audio, | ||
1561 | &pll3_pfd_508m, | ||
1562 | &pll3_pfd_454m, | ||
1563 | &pll3_usb_otg, | ||
1564 | NULL | ||
1565 | }, | ||
1566 | }; | ||
1567 | |||
1568 | static struct multiplexer asrc_serial_mux = { | ||
1569 | .clk = &asrc_serial_clk, | ||
1570 | .reg = CDCDR, | ||
1571 | .bp = BP_CDCDR_ASRC_SERIAL_SEL, | ||
1572 | .bm = BM_CDCDR_ASRC_SERIAL_SEL, | ||
1573 | .parents = { | ||
1574 | &pll4_audio, | ||
1575 | &pll3_pfd_508m, | ||
1576 | &pll3_pfd_454m, | ||
1577 | &pll3_usb_otg, | ||
1578 | NULL | ||
1579 | }, | ||
1580 | }; | ||
1581 | |||
1582 | static struct multiplexer hsi_tx_mux = { | ||
1583 | .clk = &hsi_tx_clk, | ||
1584 | .reg = CDCDR, | ||
1585 | .bp = BP_CDCDR_HSI_TX_SEL, | ||
1586 | .bm = BM_CDCDR_HSI_TX_SEL, | ||
1587 | .parents = { | ||
1588 | &pll3_120m, | ||
1589 | &pll2_pfd_400m, | ||
1590 | NULL | ||
1591 | }, | ||
1592 | }; | ||
1593 | |||
1594 | #define DEF_IPU_DI_PRE_MUX(r, i, d) \ | ||
1595 | static struct multiplexer ipu##i##_di##d##_pre_mux = { \ | ||
1596 | .clk = &ipu##i##_di##d##_pre_clk, \ | ||
1597 | .reg = r, \ | ||
1598 | .bp = BP_##r##_IPU##i##_DI##d##_PRE_SEL, \ | ||
1599 | .bm = BM_##r##_IPU##i##_DI##d##_PRE_SEL, \ | ||
1600 | .parents = { \ | ||
1601 | &mmdc_ch0_axi_clk, \ | ||
1602 | &pll3_usb_otg, \ | ||
1603 | &pll5_video, \ | ||
1604 | &pll2_pfd_352m, \ | ||
1605 | &pll2_pfd_400m, \ | ||
1606 | &pll3_pfd_540m, \ | ||
1607 | NULL \ | ||
1608 | }, \ | ||
1609 | } | ||
1610 | |||
1611 | DEF_IPU_DI_PRE_MUX(CHSCCDR, 1, 0); | ||
1612 | DEF_IPU_DI_PRE_MUX(CHSCCDR, 1, 1); | ||
1613 | DEF_IPU_DI_PRE_MUX(CSCDR2, 2, 0); | ||
1614 | DEF_IPU_DI_PRE_MUX(CSCDR2, 2, 1); | ||
1615 | |||
1616 | #define DEF_IPU_DI_MUX(r, i, d) \ | ||
1617 | static struct multiplexer ipu##i##_di##d##_mux = { \ | ||
1618 | .clk = &ipu##i##_di##d##_clk, \ | ||
1619 | .reg = r, \ | ||
1620 | .bp = BP_##r##_IPU##i##_DI##d##_SEL, \ | ||
1621 | .bm = BM_##r##_IPU##i##_DI##d##_SEL, \ | ||
1622 | .parents = { \ | ||
1623 | &ipu##i##_di##d##_pre_clk, \ | ||
1624 | &dummy_clk, \ | ||
1625 | &dummy_clk, \ | ||
1626 | &ldb_di0_clk, \ | ||
1627 | &ldb_di1_clk, \ | ||
1628 | NULL \ | ||
1629 | }, \ | ||
1630 | } | ||
1631 | |||
1632 | DEF_IPU_DI_MUX(CHSCCDR, 1, 0); | ||
1633 | DEF_IPU_DI_MUX(CHSCCDR, 1, 1); | ||
1634 | DEF_IPU_DI_MUX(CSCDR2, 2, 0); | ||
1635 | DEF_IPU_DI_MUX(CSCDR2, 2, 1); | ||
1636 | |||
1637 | #define DEF_IPU_MUX(id) \ | ||
1638 | static struct multiplexer ipu##id##_mux = { \ | ||
1639 | .clk = &ipu##id##_clk, \ | ||
1640 | .reg = CSCDR3, \ | ||
1641 | .bp = BP_CSCDR3_IPU##id##_HSP_SEL, \ | ||
1642 | .bm = BM_CSCDR3_IPU##id##_HSP_SEL, \ | ||
1643 | .parents = { \ | ||
1644 | &mmdc_ch0_axi_clk, \ | ||
1645 | &pll2_pfd_400m, \ | ||
1646 | &pll3_120m, \ | ||
1647 | &pll3_pfd_540m, \ | ||
1648 | NULL \ | ||
1649 | }, \ | ||
1650 | } | ||
1651 | |||
1652 | DEF_IPU_MUX(1); | ||
1653 | DEF_IPU_MUX(2); | ||
1654 | |||
1655 | static struct multiplexer cko1_mux = { | ||
1656 | .clk = &cko1_clk, | ||
1657 | .reg = CCOSR, | ||
1658 | .bp = BP_CCOSR_CKO1_SEL, | ||
1659 | .bm = BM_CCOSR_CKO1_SEL, | ||
1660 | .parents = { | ||
1661 | &pll3_usb_otg, | ||
1662 | &pll2_bus, | ||
1663 | &pll1_sys, | ||
1664 | &pll5_video, | ||
1665 | &dummy_clk, | ||
1666 | &axi_clk, | ||
1667 | &enfc_clk, | ||
1668 | &ipu1_di0_clk, | ||
1669 | &ipu1_di1_clk, | ||
1670 | &ipu2_di0_clk, | ||
1671 | &ipu2_di1_clk, | ||
1672 | &ahb_clk, | ||
1673 | &ipg_clk, | ||
1674 | &ipg_perclk, | ||
1675 | &ckil_clk, | ||
1676 | &pll4_audio, | ||
1677 | NULL | ||
1678 | }, | ||
1679 | }; | ||
1680 | |||
1681 | static struct multiplexer *multiplexers[] = { | ||
1682 | &axi_mux, | ||
1683 | &periph_mux, | ||
1684 | &periph_pre_mux, | ||
1685 | &periph_clk2_mux, | ||
1686 | &periph2_mux, | ||
1687 | &periph2_pre_mux, | ||
1688 | &periph2_clk2_mux, | ||
1689 | &gpu2d_axi_mux, | ||
1690 | &gpu3d_axi_mux, | ||
1691 | &gpu3d_core_mux, | ||
1692 | &gpu3d_shader_mux, | ||
1693 | &pcie_axi_mux, | ||
1694 | &vdo_axi_mux, | ||
1695 | &vpu_axi_mux, | ||
1696 | &gpu2d_core_mux, | ||
1697 | &ssi1_mux, | ||
1698 | &ssi2_mux, | ||
1699 | &ssi3_mux, | ||
1700 | &usdhc1_mux, | ||
1701 | &usdhc2_mux, | ||
1702 | &usdhc3_mux, | ||
1703 | &usdhc4_mux, | ||
1704 | &emi_mux, | ||
1705 | &emi_slow_mux, | ||
1706 | &esai_mux, | ||
1707 | &ldb_di0_mux, | ||
1708 | &ldb_di1_mux, | ||
1709 | &enfc_mux, | ||
1710 | &spdif_mux, | ||
1711 | &asrc_serial_mux, | ||
1712 | &hsi_tx_mux, | ||
1713 | &ipu1_di0_pre_mux, | ||
1714 | &ipu1_di0_mux, | ||
1715 | &ipu1_di1_pre_mux, | ||
1716 | &ipu1_di1_mux, | ||
1717 | &ipu2_di0_pre_mux, | ||
1718 | &ipu2_di0_mux, | ||
1719 | &ipu2_di1_pre_mux, | ||
1720 | &ipu2_di1_mux, | ||
1721 | &ipu1_mux, | ||
1722 | &ipu2_mux, | ||
1723 | &cko1_mux, | ||
1724 | }; | ||
1725 | |||
1726 | static int _clk_set_parent(struct clk *clk, struct clk *parent) | ||
1727 | { | ||
1728 | struct multiplexer *m; | ||
1729 | int i, num; | ||
1730 | u32 val; | ||
1731 | |||
1732 | num = ARRAY_SIZE(multiplexers); | ||
1733 | for (i = 0; i < num; i++) | ||
1734 | if (multiplexers[i]->clk == clk) { | ||
1735 | m = multiplexers[i]; | ||
1736 | break; | ||
1737 | } | ||
1738 | if (i == num) | ||
1739 | return -EINVAL; | ||
1740 | |||
1741 | i = 0; | ||
1742 | while (m->parents[i]) { | ||
1743 | if (parent == m->parents[i]) | ||
1744 | break; | ||
1745 | i++; | ||
1746 | } | ||
1747 | if (!m->parents[i] || m->parents[i] == &dummy_clk) | ||
1748 | return -EINVAL; | ||
1749 | |||
1750 | val = readl_relaxed(m->reg); | ||
1751 | val &= ~m->bm; | ||
1752 | val |= i << m->bp; | ||
1753 | writel_relaxed(val, m->reg); | ||
1754 | |||
1755 | if (clk == &periph_clk) | ||
1756 | return clk_busy_wait(clk); | ||
1757 | |||
1758 | return 0; | ||
1759 | } | ||
1760 | |||
1761 | #define DEF_NG_CLK(name, p) \ | ||
1762 | static struct clk name = { \ | ||
1763 | .get_rate = _clk_get_rate, \ | ||
1764 | .set_rate = _clk_set_rate, \ | ||
1765 | .round_rate = _clk_round_rate, \ | ||
1766 | .set_parent = _clk_set_parent, \ | ||
1767 | .parent = p, \ | ||
1768 | } | ||
1769 | |||
1770 | DEF_NG_CLK(periph_clk2_clk, &osc_clk); | ||
1771 | DEF_NG_CLK(periph_pre_clk, &pll2_bus); | ||
1772 | DEF_NG_CLK(periph_clk, &periph_pre_clk); | ||
1773 | DEF_NG_CLK(periph2_clk2_clk, &osc_clk); | ||
1774 | DEF_NG_CLK(periph2_pre_clk, &pll2_bus); | ||
1775 | DEF_NG_CLK(periph2_clk, &periph2_pre_clk); | ||
1776 | DEF_NG_CLK(axi_clk, &periph_clk); | ||
1777 | DEF_NG_CLK(emi_clk, &axi_clk); | ||
1778 | DEF_NG_CLK(arm_clk, &pll1_sw_clk); | ||
1779 | DEF_NG_CLK(ahb_clk, &periph_clk); | ||
1780 | DEF_NG_CLK(ipg_clk, &ahb_clk); | ||
1781 | DEF_NG_CLK(ipg_perclk, &ipg_clk); | ||
1782 | DEF_NG_CLK(ipu1_di0_pre_clk, &pll3_pfd_540m); | ||
1783 | DEF_NG_CLK(ipu1_di1_pre_clk, &pll3_pfd_540m); | ||
1784 | DEF_NG_CLK(ipu2_di0_pre_clk, &pll3_pfd_540m); | ||
1785 | DEF_NG_CLK(ipu2_di1_pre_clk, &pll3_pfd_540m); | ||
1786 | DEF_NG_CLK(asrc_serial_clk, &pll3_usb_otg); | ||
1787 | |||
1788 | #define DEF_CLK(name, er, es, p, s) \ | ||
1789 | static struct clk name = { \ | ||
1790 | .enable_reg = er, \ | ||
1791 | .enable_shift = es, \ | ||
1792 | .enable = _clk_enable, \ | ||
1793 | .disable = _clk_disable, \ | ||
1794 | .get_rate = _clk_get_rate, \ | ||
1795 | .set_rate = _clk_set_rate, \ | ||
1796 | .round_rate = _clk_round_rate, \ | ||
1797 | .set_parent = _clk_set_parent, \ | ||
1798 | .parent = p, \ | ||
1799 | .secondary = s, \ | ||
1800 | } | ||
1801 | |||
1802 | #define DEF_CLK_1B(name, er, es, p, s) \ | ||
1803 | static struct clk name = { \ | ||
1804 | .enable_reg = er, \ | ||
1805 | .enable_shift = es, \ | ||
1806 | .enable = _clk_enable_1b, \ | ||
1807 | .disable = _clk_disable_1b, \ | ||
1808 | .get_rate = _clk_get_rate, \ | ||
1809 | .set_rate = _clk_set_rate, \ | ||
1810 | .round_rate = _clk_round_rate, \ | ||
1811 | .set_parent = _clk_set_parent, \ | ||
1812 | .parent = p, \ | ||
1813 | .secondary = s, \ | ||
1814 | } | ||
1815 | |||
1816 | DEF_CLK(aips_tz1_clk, CCGR0, CG0, &ahb_clk, NULL); | ||
1817 | DEF_CLK(aips_tz2_clk, CCGR0, CG1, &ahb_clk, NULL); | ||
1818 | DEF_CLK(apbh_dma_clk, CCGR0, CG2, &ahb_clk, NULL); | ||
1819 | DEF_CLK(asrc_clk, CCGR0, CG3, &pll4_audio, NULL); | ||
1820 | DEF_CLK(can1_serial_clk, CCGR0, CG8, &pll3_usb_otg, NULL); | ||
1821 | DEF_CLK(can1_clk, CCGR0, CG7, &pll3_usb_otg, &can1_serial_clk); | ||
1822 | DEF_CLK(can2_serial_clk, CCGR0, CG10, &pll3_usb_otg, NULL); | ||
1823 | DEF_CLK(can2_clk, CCGR0, CG9, &pll3_usb_otg, &can2_serial_clk); | ||
1824 | DEF_CLK(ecspi1_clk, CCGR1, CG0, &pll3_60m, NULL); | ||
1825 | DEF_CLK(ecspi2_clk, CCGR1, CG1, &pll3_60m, NULL); | ||
1826 | DEF_CLK(ecspi3_clk, CCGR1, CG2, &pll3_60m, NULL); | ||
1827 | DEF_CLK(ecspi4_clk, CCGR1, CG3, &pll3_60m, NULL); | ||
1828 | DEF_CLK(ecspi5_clk, CCGR1, CG4, &pll3_60m, NULL); | ||
1829 | DEF_CLK(enet_clk, CCGR1, CG5, &ipg_clk, NULL); | ||
1830 | DEF_CLK(esai_clk, CCGR1, CG8, &pll3_usb_otg, NULL); | ||
1831 | DEF_CLK(gpt_serial_clk, CCGR1, CG11, &ipg_perclk, NULL); | ||
1832 | DEF_CLK(gpt_clk, CCGR1, CG10, &ipg_perclk, &gpt_serial_clk); | ||
1833 | DEF_CLK(gpu2d_core_clk, CCGR1, CG12, &pll2_pfd_352m, &gpu2d_axi_clk); | ||
1834 | DEF_CLK(gpu3d_core_clk, CCGR1, CG13, &pll2_pfd_594m, &gpu3d_axi_clk); | ||
1835 | DEF_CLK(gpu3d_shader_clk, CCGR1, CG13, &pll3_pfd_720m, &gpu3d_axi_clk); | ||
1836 | DEF_CLK(hdmi_iahb_clk, CCGR2, CG0, &ahb_clk, NULL); | ||
1837 | DEF_CLK(hdmi_isfr_clk, CCGR2, CG2, &pll3_pfd_540m, &hdmi_iahb_clk); | ||
1838 | DEF_CLK(i2c1_clk, CCGR2, CG3, &ipg_perclk, NULL); | ||
1839 | DEF_CLK(i2c2_clk, CCGR2, CG4, &ipg_perclk, NULL); | ||
1840 | DEF_CLK(i2c3_clk, CCGR2, CG5, &ipg_perclk, NULL); | ||
1841 | DEF_CLK(iim_clk, CCGR2, CG6, &ipg_clk, NULL); | ||
1842 | DEF_CLK(enfc_clk, CCGR2, CG7, &pll2_pfd_352m, NULL); | ||
1843 | DEF_CLK(ipu1_clk, CCGR3, CG0, &mmdc_ch0_axi_clk, NULL); | ||
1844 | DEF_CLK(ipu1_di0_clk, CCGR3, CG1, &ipu1_di0_pre_clk, NULL); | ||
1845 | DEF_CLK(ipu1_di1_clk, CCGR3, CG2, &ipu1_di1_pre_clk, NULL); | ||
1846 | DEF_CLK(ipu2_clk, CCGR3, CG3, &mmdc_ch0_axi_clk, NULL); | ||
1847 | DEF_CLK(ipu2_di0_clk, CCGR3, CG4, &ipu2_di0_pre_clk, NULL); | ||
1848 | DEF_CLK(ipu2_di1_clk, CCGR3, CG5, &ipu2_di1_pre_clk, NULL); | ||
1849 | DEF_CLK(ldb_di0_clk, CCGR3, CG6, &pll3_pfd_540m, NULL); | ||
1850 | DEF_CLK(ldb_di1_clk, CCGR3, CG7, &pll3_pfd_540m, NULL); | ||
1851 | DEF_CLK(hsi_tx_clk, CCGR3, CG8, &pll2_pfd_400m, NULL); | ||
1852 | DEF_CLK(mlb_clk, CCGR3, CG9, &pll6_mlb, NULL); | ||
1853 | DEF_CLK(mmdc_ch0_ipg_clk, CCGR3, CG12, &ipg_clk, NULL); | ||
1854 | DEF_CLK(mmdc_ch0_axi_clk, CCGR3, CG10, &periph_clk, &mmdc_ch0_ipg_clk); | ||
1855 | DEF_CLK(mmdc_ch1_ipg_clk, CCGR3, CG13, &ipg_clk, NULL); | ||
1856 | DEF_CLK(mmdc_ch1_axi_clk, CCGR3, CG11, &periph2_clk, &mmdc_ch1_ipg_clk); | ||
1857 | DEF_CLK(openvg_axi_clk, CCGR3, CG13, &axi_clk, NULL); | ||
1858 | DEF_CLK(pwm1_clk, CCGR4, CG8, &ipg_perclk, NULL); | ||
1859 | DEF_CLK(pwm2_clk, CCGR4, CG9, &ipg_perclk, NULL); | ||
1860 | DEF_CLK(pwm3_clk, CCGR4, CG10, &ipg_perclk, NULL); | ||
1861 | DEF_CLK(pwm4_clk, CCGR4, CG11, &ipg_perclk, NULL); | ||
1862 | DEF_CLK(gpmi_bch_apb_clk, CCGR4, CG12, &usdhc3_clk, NULL); | ||
1863 | DEF_CLK(gpmi_bch_clk, CCGR4, CG13, &usdhc4_clk, &gpmi_bch_apb_clk); | ||
1864 | DEF_CLK(gpmi_apb_clk, CCGR4, CG15, &usdhc3_clk, &gpmi_bch_clk); | ||
1865 | DEF_CLK(gpmi_io_clk, CCGR4, CG14, &enfc_clk, &gpmi_apb_clk); | ||
1866 | DEF_CLK(sdma_clk, CCGR5, CG3, &ahb_clk, NULL); | ||
1867 | DEF_CLK(spba_clk, CCGR5, CG6, &ipg_clk, NULL); | ||
1868 | DEF_CLK(spdif_clk, CCGR5, CG7, &pll3_usb_otg, &spba_clk); | ||
1869 | DEF_CLK(ssi1_clk, CCGR5, CG9, &pll3_pfd_508m, NULL); | ||
1870 | DEF_CLK(ssi2_clk, CCGR5, CG10, &pll3_pfd_508m, NULL); | ||
1871 | DEF_CLK(ssi3_clk, CCGR5, CG11, &pll3_pfd_508m, NULL); | ||
1872 | DEF_CLK(uart_serial_clk, CCGR5, CG13, &pll3_usb_otg, NULL); | ||
1873 | DEF_CLK(uart_clk, CCGR5, CG12, &pll3_80m, &uart_serial_clk); | ||
1874 | DEF_CLK(usboh3_clk, CCGR6, CG0, &ipg_clk, NULL); | ||
1875 | DEF_CLK(usdhc1_clk, CCGR6, CG1, &pll2_pfd_400m, NULL); | ||
1876 | DEF_CLK(usdhc2_clk, CCGR6, CG2, &pll2_pfd_400m, NULL); | ||
1877 | DEF_CLK(usdhc3_clk, CCGR6, CG3, &pll2_pfd_400m, NULL); | ||
1878 | DEF_CLK(usdhc4_clk, CCGR6, CG4, &pll2_pfd_400m, NULL); | ||
1879 | DEF_CLK(emi_slow_clk, CCGR6, CG5, &axi_clk, NULL); | ||
1880 | DEF_CLK(vdo_axi_clk, CCGR6, CG6, &axi_clk, NULL); | ||
1881 | DEF_CLK(vpu_clk, CCGR6, CG7, &axi_clk, NULL); | ||
1882 | DEF_CLK_1B(cko1_clk, CCOSR, BP_CCOSR_CKO1_EN, &pll2_bus, NULL); | ||
1883 | |||
1884 | static int pcie_clk_enable(struct clk *clk) | ||
1885 | { | ||
1886 | u32 val; | ||
1887 | |||
1888 | val = readl_relaxed(PLL8_ENET); | ||
1889 | val |= BM_PLL_ENET_EN_PCIE; | ||
1890 | writel_relaxed(val, PLL8_ENET); | ||
1891 | |||
1892 | return _clk_enable(clk); | ||
1893 | } | ||
1894 | |||
1895 | static void pcie_clk_disable(struct clk *clk) | ||
1896 | { | ||
1897 | u32 val; | ||
1898 | |||
1899 | _clk_disable(clk); | ||
1900 | |||
1901 | val = readl_relaxed(PLL8_ENET); | ||
1902 | val &= BM_PLL_ENET_EN_PCIE; | ||
1903 | writel_relaxed(val, PLL8_ENET); | ||
1904 | } | ||
1905 | |||
1906 | static struct clk pcie_clk = { | ||
1907 | .enable_reg = CCGR4, | ||
1908 | .enable_shift = CG0, | ||
1909 | .enable = pcie_clk_enable, | ||
1910 | .disable = pcie_clk_disable, | ||
1911 | .set_parent = _clk_set_parent, | ||
1912 | .parent = &axi_clk, | ||
1913 | .secondary = &pll8_enet, | ||
1914 | }; | ||
1915 | |||
1916 | static int sata_clk_enable(struct clk *clk) | ||
1917 | { | ||
1918 | u32 val; | ||
1919 | |||
1920 | val = readl_relaxed(PLL8_ENET); | ||
1921 | val |= BM_PLL_ENET_EN_SATA; | ||
1922 | writel_relaxed(val, PLL8_ENET); | ||
1923 | |||
1924 | return _clk_enable(clk); | ||
1925 | } | ||
1926 | |||
1927 | static void sata_clk_disable(struct clk *clk) | ||
1928 | { | ||
1929 | u32 val; | ||
1930 | |||
1931 | _clk_disable(clk); | ||
1932 | |||
1933 | val = readl_relaxed(PLL8_ENET); | ||
1934 | val &= BM_PLL_ENET_EN_SATA; | ||
1935 | writel_relaxed(val, PLL8_ENET); | ||
1936 | } | ||
1937 | |||
1938 | static struct clk sata_clk = { | ||
1939 | .enable_reg = CCGR5, | ||
1940 | .enable_shift = CG2, | ||
1941 | .enable = sata_clk_enable, | ||
1942 | .disable = sata_clk_disable, | ||
1943 | .parent = &ipg_clk, | ||
1944 | .secondary = &pll8_enet, | ||
1945 | }; | ||
1946 | |||
1947 | #define _REGISTER_CLOCK(d, n, c) \ | ||
1948 | { \ | ||
1949 | .dev_id = d, \ | ||
1950 | .con_id = n, \ | ||
1951 | .clk = &c, \ | ||
1952 | } | ||
1953 | |||
1954 | static struct clk_lookup lookups[] = { | ||
1955 | _REGISTER_CLOCK("2020000.uart", NULL, uart_clk), | ||
1956 | _REGISTER_CLOCK("21e8000.uart", NULL, uart_clk), | ||
1957 | _REGISTER_CLOCK("21ec000.uart", NULL, uart_clk), | ||
1958 | _REGISTER_CLOCK("21f0000.uart", NULL, uart_clk), | ||
1959 | _REGISTER_CLOCK("21f4000.uart", NULL, uart_clk), | ||
1960 | _REGISTER_CLOCK("2188000.enet", NULL, enet_clk), | ||
1961 | _REGISTER_CLOCK("2190000.usdhc", NULL, usdhc1_clk), | ||
1962 | _REGISTER_CLOCK("2194000.usdhc", NULL, usdhc2_clk), | ||
1963 | _REGISTER_CLOCK("2198000.usdhc", NULL, usdhc3_clk), | ||
1964 | _REGISTER_CLOCK("219c000.usdhc", NULL, usdhc4_clk), | ||
1965 | _REGISTER_CLOCK("21a0000.i2c", NULL, i2c1_clk), | ||
1966 | _REGISTER_CLOCK("21a4000.i2c", NULL, i2c2_clk), | ||
1967 | _REGISTER_CLOCK("21a8000.i2c", NULL, i2c3_clk), | ||
1968 | _REGISTER_CLOCK("2008000.ecspi", NULL, ecspi1_clk), | ||
1969 | _REGISTER_CLOCK("200c000.ecspi", NULL, ecspi2_clk), | ||
1970 | _REGISTER_CLOCK("2010000.ecspi", NULL, ecspi3_clk), | ||
1971 | _REGISTER_CLOCK("2014000.ecspi", NULL, ecspi4_clk), | ||
1972 | _REGISTER_CLOCK("2018000.ecspi", NULL, ecspi5_clk), | ||
1973 | _REGISTER_CLOCK("20ec000.sdma", NULL, sdma_clk), | ||
1974 | _REGISTER_CLOCK("20bc000.wdog", NULL, dummy_clk), | ||
1975 | _REGISTER_CLOCK("20c0000.wdog", NULL, dummy_clk), | ||
1976 | _REGISTER_CLOCK("smp_twd", NULL, twd_clk), | ||
1977 | _REGISTER_CLOCK(NULL, "ckih", ckih_clk), | ||
1978 | _REGISTER_CLOCK(NULL, "ckil_clk", ckil_clk), | ||
1979 | _REGISTER_CLOCK(NULL, "aips_tz1_clk", aips_tz1_clk), | ||
1980 | _REGISTER_CLOCK(NULL, "aips_tz2_clk", aips_tz2_clk), | ||
1981 | _REGISTER_CLOCK(NULL, "asrc_clk", asrc_clk), | ||
1982 | _REGISTER_CLOCK(NULL, "can2_clk", can2_clk), | ||
1983 | _REGISTER_CLOCK(NULL, "hdmi_isfr_clk", hdmi_isfr_clk), | ||
1984 | _REGISTER_CLOCK(NULL, "iim_clk", iim_clk), | ||
1985 | _REGISTER_CLOCK(NULL, "mlb_clk", mlb_clk), | ||
1986 | _REGISTER_CLOCK(NULL, "openvg_axi_clk", openvg_axi_clk), | ||
1987 | _REGISTER_CLOCK(NULL, "pwm1_clk", pwm1_clk), | ||
1988 | _REGISTER_CLOCK(NULL, "pwm2_clk", pwm2_clk), | ||
1989 | _REGISTER_CLOCK(NULL, "pwm3_clk", pwm3_clk), | ||
1990 | _REGISTER_CLOCK(NULL, "pwm4_clk", pwm4_clk), | ||
1991 | _REGISTER_CLOCK(NULL, "gpmi_io_clk", gpmi_io_clk), | ||
1992 | _REGISTER_CLOCK(NULL, "usboh3_clk", usboh3_clk), | ||
1993 | _REGISTER_CLOCK(NULL, "sata_clk", sata_clk), | ||
1994 | _REGISTER_CLOCK(NULL, "cko1_clk", cko1_clk), | ||
1995 | }; | ||
1996 | |||
1997 | int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) | ||
1998 | { | ||
1999 | u32 val = readl_relaxed(CLPCR); | ||
2000 | |||
2001 | val &= ~BM_CLPCR_LPM; | ||
2002 | switch (mode) { | ||
2003 | case WAIT_CLOCKED: | ||
2004 | break; | ||
2005 | case WAIT_UNCLOCKED: | ||
2006 | val |= 0x1 << BP_CLPCR_LPM; | ||
2007 | break; | ||
2008 | case STOP_POWER_ON: | ||
2009 | val |= 0x2 << BP_CLPCR_LPM; | ||
2010 | break; | ||
2011 | case WAIT_UNCLOCKED_POWER_OFF: | ||
2012 | val |= 0x1 << BP_CLPCR_LPM; | ||
2013 | val &= ~BM_CLPCR_VSTBY; | ||
2014 | val &= ~BM_CLPCR_SBYOS; | ||
2015 | break; | ||
2016 | case STOP_POWER_OFF: | ||
2017 | val |= 0x2 << BP_CLPCR_LPM; | ||
2018 | val |= 0x3 << BP_CLPCR_STBY_COUNT; | ||
2019 | val |= BM_CLPCR_VSTBY; | ||
2020 | val |= BM_CLPCR_SBYOS; | ||
2021 | break; | ||
2022 | default: | ||
2023 | return -EINVAL; | ||
2024 | } | ||
2025 | writel_relaxed(val, CLPCR); | ||
2026 | |||
2027 | return 0; | ||
2028 | } | ||
2029 | |||
2030 | static struct map_desc imx6q_clock_desc[] = { | ||
2031 | imx_map_entry(MX6Q, CCM, MT_DEVICE), | ||
2032 | imx_map_entry(MX6Q, ANATOP, MT_DEVICE), | ||
2033 | }; | ||
2034 | |||
2035 | void __init imx6q_clock_map_io(void) | ||
2036 | { | ||
2037 | iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); | ||
2038 | } | ||
2039 | |||
2040 | int __init mx6q_clocks_init(void) | ||
2041 | { | ||
2042 | struct device_node *np; | ||
2043 | void __iomem *base; | ||
2044 | int i, irq; | ||
2045 | |||
2046 | /* retrieve the freqency of fixed clocks from device tree */ | ||
2047 | for_each_compatible_node(np, NULL, "fixed-clock") { | ||
2048 | u32 rate; | ||
2049 | if (of_property_read_u32(np, "clock-frequency", &rate)) | ||
2050 | continue; | ||
2051 | |||
2052 | if (of_device_is_compatible(np, "fsl,imx-ckil")) | ||
2053 | external_low_reference = rate; | ||
2054 | else if (of_device_is_compatible(np, "fsl,imx-ckih1")) | ||
2055 | external_high_reference = rate; | ||
2056 | else if (of_device_is_compatible(np, "fsl,imx-osc")) | ||
2057 | oscillator_reference = rate; | ||
2058 | } | ||
2059 | |||
2060 | for (i = 0; i < ARRAY_SIZE(lookups); i++) | ||
2061 | clkdev_add(&lookups[i]); | ||
2062 | |||
2063 | /* only keep necessary clocks on */ | ||
2064 | writel_relaxed(0x3 << CG0 | 0x3 << CG1 | 0x3 << CG2, CCGR0); | ||
2065 | writel_relaxed(0x3 << CG8 | 0x3 << CG9 | 0x3 << CG10, CCGR2); | ||
2066 | writel_relaxed(0x3 << CG10 | 0x3 << CG12, CCGR3); | ||
2067 | writel_relaxed(0x3 << CG4 | 0x3 << CG6 | 0x3 << CG7, CCGR4); | ||
2068 | writel_relaxed(0x3 << CG0, CCGR5); | ||
2069 | writel_relaxed(0, CCGR6); | ||
2070 | writel_relaxed(0, CCGR7); | ||
2071 | |||
2072 | clk_enable(&uart_clk); | ||
2073 | clk_enable(&mmdc_ch0_axi_clk); | ||
2074 | |||
2075 | clk_set_rate(&pll4_audio, FREQ_650M); | ||
2076 | clk_set_rate(&pll5_video, FREQ_650M); | ||
2077 | clk_set_parent(&ipu1_di0_clk, &ipu1_di0_pre_clk); | ||
2078 | clk_set_parent(&ipu1_di0_pre_clk, &pll5_video); | ||
2079 | clk_set_parent(&gpu3d_shader_clk, &pll2_pfd_594m); | ||
2080 | clk_set_rate(&gpu3d_shader_clk, FREQ_594M); | ||
2081 | clk_set_parent(&gpu3d_core_clk, &mmdc_ch0_axi_clk); | ||
2082 | clk_set_rate(&gpu3d_core_clk, FREQ_528M); | ||
2083 | clk_set_parent(&asrc_serial_clk, &pll3_usb_otg); | ||
2084 | clk_set_rate(&asrc_serial_clk, 1500000); | ||
2085 | clk_set_rate(&enfc_clk, 11000000); | ||
2086 | |||
2087 | /* | ||
2088 | * Before pinctrl API is available, we have to rely on the pad | ||
2089 | * configuration set up by bootloader. For usdhc example here, | ||
2090 | * u-boot sets up the pads for 49.5 MHz case, and we have to lower | ||
2091 | * the usdhc clock from 198 to 49.5 MHz to match the pad configuration. | ||
2092 | * | ||
2093 | * FIXME: This is should be removed after pinctrl API is available. | ||
2094 | * At that time, usdhc driver can call pinctrl API to change pad | ||
2095 | * configuration dynamically per different usdhc clock settings. | ||
2096 | */ | ||
2097 | clk_set_rate(&usdhc1_clk, 49500000); | ||
2098 | clk_set_rate(&usdhc2_clk, 49500000); | ||
2099 | clk_set_rate(&usdhc3_clk, 49500000); | ||
2100 | clk_set_rate(&usdhc4_clk, 49500000); | ||
2101 | |||
2102 | clk_set_parent(&cko1_clk, &ahb_clk); | ||
2103 | |||
2104 | np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"); | ||
2105 | base = of_iomap(np, 0); | ||
2106 | WARN_ON(!base); | ||
2107 | irq = irq_of_parse_and_map(np, 0); | ||
2108 | mxc_timer_init(&gpt_clk, base, irq); | ||
2109 | |||
2110 | return 0; | ||
2111 | } | ||
diff --git a/arch/arm/mach-imx/clock-mx51-mx53.c b/arch/arm/mach-imx/clock-mx51-mx53.c deleted file mode 100644 index 08470504a088..000000000000 --- a/arch/arm/mach-imx/clock-mx51-mx53.c +++ /dev/null | |||
@@ -1,1675 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com> | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/mm.h> | ||
14 | #include <linux/delay.h> | ||
15 | #include <linux/clk.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <linux/clkdev.h> | ||
18 | #include <linux/of.h> | ||
19 | |||
20 | #include <asm/div64.h> | ||
21 | |||
22 | #include <mach/hardware.h> | ||
23 | #include <mach/common.h> | ||
24 | #include <mach/clock.h> | ||
25 | |||
26 | #include "crm-regs-imx5.h" | ||
27 | |||
28 | /* External clock values passed-in by the board code */ | ||
29 | static unsigned long external_high_reference, external_low_reference; | ||
30 | static unsigned long oscillator_reference, ckih2_reference; | ||
31 | |||
32 | static struct clk osc_clk; | ||
33 | static struct clk pll1_main_clk; | ||
34 | static struct clk pll1_sw_clk; | ||
35 | static struct clk pll2_sw_clk; | ||
36 | static struct clk pll3_sw_clk; | ||
37 | static struct clk mx53_pll4_sw_clk; | ||
38 | static struct clk lp_apm_clk; | ||
39 | static struct clk periph_apm_clk; | ||
40 | static struct clk ahb_clk; | ||
41 | static struct clk ipg_clk; | ||
42 | static struct clk usboh3_clk; | ||
43 | static struct clk emi_fast_clk; | ||
44 | static struct clk ipu_clk; | ||
45 | static struct clk mipi_hsc1_clk; | ||
46 | static struct clk esdhc1_clk; | ||
47 | static struct clk esdhc2_clk; | ||
48 | static struct clk esdhc3_mx53_clk; | ||
49 | |||
50 | #define MAX_DPLL_WAIT_TRIES 1000 /* 1000 * udelay(1) = 1ms */ | ||
51 | |||
52 | /* calculate best pre and post dividers to get the required divider */ | ||
53 | static void __calc_pre_post_dividers(u32 div, u32 *pre, u32 *post, | ||
54 | u32 max_pre, u32 max_post) | ||
55 | { | ||
56 | if (div >= max_pre * max_post) { | ||
57 | *pre = max_pre; | ||
58 | *post = max_post; | ||
59 | } else if (div >= max_pre) { | ||
60 | u32 min_pre, temp_pre, old_err, err; | ||
61 | min_pre = DIV_ROUND_UP(div, max_post); | ||
62 | old_err = max_pre; | ||
63 | for (temp_pre = max_pre; temp_pre >= min_pre; temp_pre--) { | ||
64 | err = div % temp_pre; | ||
65 | if (err == 0) { | ||
66 | *pre = temp_pre; | ||
67 | break; | ||
68 | } | ||
69 | err = temp_pre - err; | ||
70 | if (err < old_err) { | ||
71 | old_err = err; | ||
72 | *pre = temp_pre; | ||
73 | } | ||
74 | } | ||
75 | *post = DIV_ROUND_UP(div, *pre); | ||
76 | } else { | ||
77 | *pre = div; | ||
78 | *post = 1; | ||
79 | } | ||
80 | } | ||
81 | |||
82 | static void _clk_ccgr_setclk(struct clk *clk, unsigned mode) | ||
83 | { | ||
84 | u32 reg = __raw_readl(clk->enable_reg); | ||
85 | |||
86 | reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift); | ||
87 | reg |= mode << clk->enable_shift; | ||
88 | |||
89 | __raw_writel(reg, clk->enable_reg); | ||
90 | } | ||
91 | |||
92 | static int _clk_ccgr_enable(struct clk *clk) | ||
93 | { | ||
94 | _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_ON); | ||
95 | return 0; | ||
96 | } | ||
97 | |||
98 | static void _clk_ccgr_disable(struct clk *clk) | ||
99 | { | ||
100 | _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_OFF); | ||
101 | } | ||
102 | |||
103 | static int _clk_ccgr_enable_inrun(struct clk *clk) | ||
104 | { | ||
105 | _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_IDLE); | ||
106 | return 0; | ||
107 | } | ||
108 | |||
109 | static void _clk_ccgr_disable_inwait(struct clk *clk) | ||
110 | { | ||
111 | _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_IDLE); | ||
112 | } | ||
113 | |||
114 | /* | ||
115 | * For the 4-to-1 muxed input clock | ||
116 | */ | ||
117 | static inline u32 _get_mux(struct clk *parent, struct clk *m0, | ||
118 | struct clk *m1, struct clk *m2, struct clk *m3) | ||
119 | { | ||
120 | if (parent == m0) | ||
121 | return 0; | ||
122 | else if (parent == m1) | ||
123 | return 1; | ||
124 | else if (parent == m2) | ||
125 | return 2; | ||
126 | else if (parent == m3) | ||
127 | return 3; | ||
128 | else | ||
129 | BUG(); | ||
130 | |||
131 | return -EINVAL; | ||
132 | } | ||
133 | |||
134 | static inline void __iomem *_mx51_get_pll_base(struct clk *pll) | ||
135 | { | ||
136 | if (pll == &pll1_main_clk) | ||
137 | return MX51_DPLL1_BASE; | ||
138 | else if (pll == &pll2_sw_clk) | ||
139 | return MX51_DPLL2_BASE; | ||
140 | else if (pll == &pll3_sw_clk) | ||
141 | return MX51_DPLL3_BASE; | ||
142 | else | ||
143 | BUG(); | ||
144 | |||
145 | return NULL; | ||
146 | } | ||
147 | |||
148 | static inline void __iomem *_mx53_get_pll_base(struct clk *pll) | ||
149 | { | ||
150 | if (pll == &pll1_main_clk) | ||
151 | return MX53_DPLL1_BASE; | ||
152 | else if (pll == &pll2_sw_clk) | ||
153 | return MX53_DPLL2_BASE; | ||
154 | else if (pll == &pll3_sw_clk) | ||
155 | return MX53_DPLL3_BASE; | ||
156 | else if (pll == &mx53_pll4_sw_clk) | ||
157 | return MX53_DPLL4_BASE; | ||
158 | else | ||
159 | BUG(); | ||
160 | |||
161 | return NULL; | ||
162 | } | ||
163 | |||
164 | static inline void __iomem *_get_pll_base(struct clk *pll) | ||
165 | { | ||
166 | if (cpu_is_mx51()) | ||
167 | return _mx51_get_pll_base(pll); | ||
168 | else | ||
169 | return _mx53_get_pll_base(pll); | ||
170 | } | ||
171 | |||
172 | static unsigned long clk_pll_get_rate(struct clk *clk) | ||
173 | { | ||
174 | long mfi, mfn, mfd, pdf, ref_clk, mfn_abs; | ||
175 | unsigned long dp_op, dp_mfd, dp_mfn, dp_ctl, pll_hfsm, dbl; | ||
176 | void __iomem *pllbase; | ||
177 | s64 temp; | ||
178 | unsigned long parent_rate; | ||
179 | |||
180 | parent_rate = clk_get_rate(clk->parent); | ||
181 | |||
182 | pllbase = _get_pll_base(clk); | ||
183 | |||
184 | dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL); | ||
185 | pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM; | ||
186 | dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN; | ||
187 | |||
188 | if (pll_hfsm == 0) { | ||
189 | dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP); | ||
190 | dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD); | ||
191 | dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN); | ||
192 | } else { | ||
193 | dp_op = __raw_readl(pllbase + MXC_PLL_DP_HFS_OP); | ||
194 | dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFD); | ||
195 | dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFN); | ||
196 | } | ||
197 | pdf = dp_op & MXC_PLL_DP_OP_PDF_MASK; | ||
198 | mfi = (dp_op & MXC_PLL_DP_OP_MFI_MASK) >> MXC_PLL_DP_OP_MFI_OFFSET; | ||
199 | mfi = (mfi <= 5) ? 5 : mfi; | ||
200 | mfd = dp_mfd & MXC_PLL_DP_MFD_MASK; | ||
201 | mfn = mfn_abs = dp_mfn & MXC_PLL_DP_MFN_MASK; | ||
202 | /* Sign extend to 32-bits */ | ||
203 | if (mfn >= 0x04000000) { | ||
204 | mfn |= 0xFC000000; | ||
205 | mfn_abs = -mfn; | ||
206 | } | ||
207 | |||
208 | ref_clk = 2 * parent_rate; | ||
209 | if (dbl != 0) | ||
210 | ref_clk *= 2; | ||
211 | |||
212 | ref_clk /= (pdf + 1); | ||
213 | temp = (u64) ref_clk * mfn_abs; | ||
214 | do_div(temp, mfd + 1); | ||
215 | if (mfn < 0) | ||
216 | temp = -temp; | ||
217 | temp = (ref_clk * mfi) + temp; | ||
218 | |||
219 | return temp; | ||
220 | } | ||
221 | |||
222 | static int _clk_pll_set_rate(struct clk *clk, unsigned long rate) | ||
223 | { | ||
224 | u32 reg; | ||
225 | void __iomem *pllbase; | ||
226 | |||
227 | long mfi, pdf, mfn, mfd = 999999; | ||
228 | s64 temp64; | ||
229 | unsigned long quad_parent_rate; | ||
230 | unsigned long pll_hfsm, dp_ctl; | ||
231 | unsigned long parent_rate; | ||
232 | |||
233 | parent_rate = clk_get_rate(clk->parent); | ||
234 | |||
235 | pllbase = _get_pll_base(clk); | ||
236 | |||
237 | quad_parent_rate = 4 * parent_rate; | ||
238 | pdf = mfi = -1; | ||
239 | while (++pdf < 16 && mfi < 5) | ||
240 | mfi = rate * (pdf+1) / quad_parent_rate; | ||
241 | if (mfi > 15) | ||
242 | return -EINVAL; | ||
243 | pdf--; | ||
244 | |||
245 | temp64 = rate * (pdf+1) - quad_parent_rate * mfi; | ||
246 | do_div(temp64, quad_parent_rate/1000000); | ||
247 | mfn = (long)temp64; | ||
248 | |||
249 | dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL); | ||
250 | /* use dpdck0_2 */ | ||
251 | __raw_writel(dp_ctl | 0x1000L, pllbase + MXC_PLL_DP_CTL); | ||
252 | pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM; | ||
253 | if (pll_hfsm == 0) { | ||
254 | reg = mfi << 4 | pdf; | ||
255 | __raw_writel(reg, pllbase + MXC_PLL_DP_OP); | ||
256 | __raw_writel(mfd, pllbase + MXC_PLL_DP_MFD); | ||
257 | __raw_writel(mfn, pllbase + MXC_PLL_DP_MFN); | ||
258 | } else { | ||
259 | reg = mfi << 4 | pdf; | ||
260 | __raw_writel(reg, pllbase + MXC_PLL_DP_HFS_OP); | ||
261 | __raw_writel(mfd, pllbase + MXC_PLL_DP_HFS_MFD); | ||
262 | __raw_writel(mfn, pllbase + MXC_PLL_DP_HFS_MFN); | ||
263 | } | ||
264 | |||
265 | return 0; | ||
266 | } | ||
267 | |||
268 | static int _clk_pll_enable(struct clk *clk) | ||
269 | { | ||
270 | u32 reg; | ||
271 | void __iomem *pllbase; | ||
272 | int i = 0; | ||
273 | |||
274 | pllbase = _get_pll_base(clk); | ||
275 | reg = __raw_readl(pllbase + MXC_PLL_DP_CTL); | ||
276 | if (reg & MXC_PLL_DP_CTL_UPEN) | ||
277 | return 0; | ||
278 | |||
279 | reg |= MXC_PLL_DP_CTL_UPEN; | ||
280 | __raw_writel(reg, pllbase + MXC_PLL_DP_CTL); | ||
281 | |||
282 | /* Wait for lock */ | ||
283 | do { | ||
284 | reg = __raw_readl(pllbase + MXC_PLL_DP_CTL); | ||
285 | if (reg & MXC_PLL_DP_CTL_LRF) | ||
286 | break; | ||
287 | |||
288 | udelay(1); | ||
289 | } while (++i < MAX_DPLL_WAIT_TRIES); | ||
290 | |||
291 | if (i == MAX_DPLL_WAIT_TRIES) { | ||
292 | pr_err("MX5: pll locking failed\n"); | ||
293 | return -EINVAL; | ||
294 | } | ||
295 | |||
296 | return 0; | ||
297 | } | ||
298 | |||
299 | static void _clk_pll_disable(struct clk *clk) | ||
300 | { | ||
301 | u32 reg; | ||
302 | void __iomem *pllbase; | ||
303 | |||
304 | pllbase = _get_pll_base(clk); | ||
305 | reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) & ~MXC_PLL_DP_CTL_UPEN; | ||
306 | __raw_writel(reg, pllbase + MXC_PLL_DP_CTL); | ||
307 | } | ||
308 | |||
309 | static int _clk_pll1_sw_set_parent(struct clk *clk, struct clk *parent) | ||
310 | { | ||
311 | u32 reg, step; | ||
312 | |||
313 | reg = __raw_readl(MXC_CCM_CCSR); | ||
314 | |||
315 | /* When switching from pll_main_clk to a bypass clock, first select a | ||
316 | * multiplexed clock in 'step_sel', then shift the glitchless mux | ||
317 | * 'pll1_sw_clk_sel'. | ||
318 | * | ||
319 | * When switching back, do it in reverse order | ||
320 | */ | ||
321 | if (parent == &pll1_main_clk) { | ||
322 | /* Switch to pll1_main_clk */ | ||
323 | reg &= ~MXC_CCM_CCSR_PLL1_SW_CLK_SEL; | ||
324 | __raw_writel(reg, MXC_CCM_CCSR); | ||
325 | /* step_clk mux switched to lp_apm, to save power. */ | ||
326 | reg = __raw_readl(MXC_CCM_CCSR); | ||
327 | reg &= ~MXC_CCM_CCSR_STEP_SEL_MASK; | ||
328 | reg |= (MXC_CCM_CCSR_STEP_SEL_LP_APM << | ||
329 | MXC_CCM_CCSR_STEP_SEL_OFFSET); | ||
330 | } else { | ||
331 | if (parent == &lp_apm_clk) { | ||
332 | step = MXC_CCM_CCSR_STEP_SEL_LP_APM; | ||
333 | } else if (parent == &pll2_sw_clk) { | ||
334 | step = MXC_CCM_CCSR_STEP_SEL_PLL2_DIVIDED; | ||
335 | } else if (parent == &pll3_sw_clk) { | ||
336 | step = MXC_CCM_CCSR_STEP_SEL_PLL3_DIVIDED; | ||
337 | } else | ||
338 | return -EINVAL; | ||
339 | |||
340 | reg &= ~MXC_CCM_CCSR_STEP_SEL_MASK; | ||
341 | reg |= (step << MXC_CCM_CCSR_STEP_SEL_OFFSET); | ||
342 | |||
343 | __raw_writel(reg, MXC_CCM_CCSR); | ||
344 | /* Switch to step_clk */ | ||
345 | reg = __raw_readl(MXC_CCM_CCSR); | ||
346 | reg |= MXC_CCM_CCSR_PLL1_SW_CLK_SEL; | ||
347 | } | ||
348 | __raw_writel(reg, MXC_CCM_CCSR); | ||
349 | return 0; | ||
350 | } | ||
351 | |||
352 | static unsigned long clk_pll1_sw_get_rate(struct clk *clk) | ||
353 | { | ||
354 | u32 reg, div; | ||
355 | unsigned long parent_rate; | ||
356 | |||
357 | parent_rate = clk_get_rate(clk->parent); | ||
358 | |||
359 | reg = __raw_readl(MXC_CCM_CCSR); | ||
360 | |||
361 | if (clk->parent == &pll2_sw_clk) { | ||
362 | div = ((reg & MXC_CCM_CCSR_PLL2_PODF_MASK) >> | ||
363 | MXC_CCM_CCSR_PLL2_PODF_OFFSET) + 1; | ||
364 | } else if (clk->parent == &pll3_sw_clk) { | ||
365 | div = ((reg & MXC_CCM_CCSR_PLL3_PODF_MASK) >> | ||
366 | MXC_CCM_CCSR_PLL3_PODF_OFFSET) + 1; | ||
367 | } else | ||
368 | div = 1; | ||
369 | return parent_rate / div; | ||
370 | } | ||
371 | |||
372 | static int _clk_pll2_sw_set_parent(struct clk *clk, struct clk *parent) | ||
373 | { | ||
374 | u32 reg; | ||
375 | |||
376 | reg = __raw_readl(MXC_CCM_CCSR); | ||
377 | |||
378 | if (parent == &pll2_sw_clk) | ||
379 | reg &= ~MXC_CCM_CCSR_PLL2_SW_CLK_SEL; | ||
380 | else | ||
381 | reg |= MXC_CCM_CCSR_PLL2_SW_CLK_SEL; | ||
382 | |||
383 | __raw_writel(reg, MXC_CCM_CCSR); | ||
384 | return 0; | ||
385 | } | ||
386 | |||
387 | static int _clk_lp_apm_set_parent(struct clk *clk, struct clk *parent) | ||
388 | { | ||
389 | u32 reg; | ||
390 | |||
391 | if (parent == &osc_clk) | ||
392 | reg = __raw_readl(MXC_CCM_CCSR) & ~MXC_CCM_CCSR_LP_APM_SEL; | ||
393 | else | ||
394 | return -EINVAL; | ||
395 | |||
396 | __raw_writel(reg, MXC_CCM_CCSR); | ||
397 | |||
398 | return 0; | ||
399 | } | ||
400 | |||
401 | static unsigned long clk_cpu_get_rate(struct clk *clk) | ||
402 | { | ||
403 | u32 cacrr, div; | ||
404 | unsigned long parent_rate; | ||
405 | |||
406 | parent_rate = clk_get_rate(clk->parent); | ||
407 | cacrr = __raw_readl(MXC_CCM_CACRR); | ||
408 | div = (cacrr & MXC_CCM_CACRR_ARM_PODF_MASK) + 1; | ||
409 | |||
410 | return parent_rate / div; | ||
411 | } | ||
412 | |||
413 | static int clk_cpu_set_rate(struct clk *clk, unsigned long rate) | ||
414 | { | ||
415 | u32 reg, cpu_podf; | ||
416 | unsigned long parent_rate; | ||
417 | |||
418 | parent_rate = clk_get_rate(clk->parent); | ||
419 | cpu_podf = parent_rate / rate - 1; | ||
420 | /* use post divider to change freq */ | ||
421 | reg = __raw_readl(MXC_CCM_CACRR); | ||
422 | reg &= ~MXC_CCM_CACRR_ARM_PODF_MASK; | ||
423 | reg |= cpu_podf << MXC_CCM_CACRR_ARM_PODF_OFFSET; | ||
424 | __raw_writel(reg, MXC_CCM_CACRR); | ||
425 | |||
426 | return 0; | ||
427 | } | ||
428 | |||
429 | static int _clk_periph_apm_set_parent(struct clk *clk, struct clk *parent) | ||
430 | { | ||
431 | u32 reg, mux; | ||
432 | int i = 0; | ||
433 | |||
434 | mux = _get_mux(parent, &pll1_sw_clk, &pll3_sw_clk, &lp_apm_clk, NULL); | ||
435 | |||
436 | reg = __raw_readl(MXC_CCM_CBCMR) & ~MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK; | ||
437 | reg |= mux << MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET; | ||
438 | __raw_writel(reg, MXC_CCM_CBCMR); | ||
439 | |||
440 | /* Wait for lock */ | ||
441 | do { | ||
442 | reg = __raw_readl(MXC_CCM_CDHIPR); | ||
443 | if (!(reg & MXC_CCM_CDHIPR_PERIPH_CLK_SEL_BUSY)) | ||
444 | break; | ||
445 | |||
446 | udelay(1); | ||
447 | } while (++i < MAX_DPLL_WAIT_TRIES); | ||
448 | |||
449 | if (i == MAX_DPLL_WAIT_TRIES) { | ||
450 | pr_err("MX5: Set parent for periph_apm clock failed\n"); | ||
451 | return -EINVAL; | ||
452 | } | ||
453 | |||
454 | return 0; | ||
455 | } | ||
456 | |||
457 | static int _clk_main_bus_set_parent(struct clk *clk, struct clk *parent) | ||
458 | { | ||
459 | u32 reg; | ||
460 | |||
461 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
462 | |||
463 | if (parent == &pll2_sw_clk) | ||
464 | reg &= ~MXC_CCM_CBCDR_PERIPH_CLK_SEL; | ||
465 | else if (parent == &periph_apm_clk) | ||
466 | reg |= MXC_CCM_CBCDR_PERIPH_CLK_SEL; | ||
467 | else | ||
468 | return -EINVAL; | ||
469 | |||
470 | __raw_writel(reg, MXC_CCM_CBCDR); | ||
471 | |||
472 | return 0; | ||
473 | } | ||
474 | |||
475 | static struct clk main_bus_clk = { | ||
476 | .parent = &pll2_sw_clk, | ||
477 | .set_parent = _clk_main_bus_set_parent, | ||
478 | }; | ||
479 | |||
480 | static unsigned long clk_ahb_get_rate(struct clk *clk) | ||
481 | { | ||
482 | u32 reg, div; | ||
483 | unsigned long parent_rate; | ||
484 | |||
485 | parent_rate = clk_get_rate(clk->parent); | ||
486 | |||
487 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
488 | div = ((reg & MXC_CCM_CBCDR_AHB_PODF_MASK) >> | ||
489 | MXC_CCM_CBCDR_AHB_PODF_OFFSET) + 1; | ||
490 | return parent_rate / div; | ||
491 | } | ||
492 | |||
493 | |||
494 | static int _clk_ahb_set_rate(struct clk *clk, unsigned long rate) | ||
495 | { | ||
496 | u32 reg, div; | ||
497 | unsigned long parent_rate; | ||
498 | int i = 0; | ||
499 | |||
500 | parent_rate = clk_get_rate(clk->parent); | ||
501 | |||
502 | div = parent_rate / rate; | ||
503 | if (div > 8 || div < 1 || ((parent_rate / div) != rate)) | ||
504 | return -EINVAL; | ||
505 | |||
506 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
507 | reg &= ~MXC_CCM_CBCDR_AHB_PODF_MASK; | ||
508 | reg |= (div - 1) << MXC_CCM_CBCDR_AHB_PODF_OFFSET; | ||
509 | __raw_writel(reg, MXC_CCM_CBCDR); | ||
510 | |||
511 | /* Wait for lock */ | ||
512 | do { | ||
513 | reg = __raw_readl(MXC_CCM_CDHIPR); | ||
514 | if (!(reg & MXC_CCM_CDHIPR_AHB_PODF_BUSY)) | ||
515 | break; | ||
516 | |||
517 | udelay(1); | ||
518 | } while (++i < MAX_DPLL_WAIT_TRIES); | ||
519 | |||
520 | if (i == MAX_DPLL_WAIT_TRIES) { | ||
521 | pr_err("MX5: clk_ahb_set_rate failed\n"); | ||
522 | return -EINVAL; | ||
523 | } | ||
524 | |||
525 | return 0; | ||
526 | } | ||
527 | |||
528 | static unsigned long _clk_ahb_round_rate(struct clk *clk, | ||
529 | unsigned long rate) | ||
530 | { | ||
531 | u32 div; | ||
532 | unsigned long parent_rate; | ||
533 | |||
534 | parent_rate = clk_get_rate(clk->parent); | ||
535 | |||
536 | div = parent_rate / rate; | ||
537 | if (div > 8) | ||
538 | div = 8; | ||
539 | else if (div == 0) | ||
540 | div++; | ||
541 | return parent_rate / div; | ||
542 | } | ||
543 | |||
544 | |||
545 | static int _clk_max_enable(struct clk *clk) | ||
546 | { | ||
547 | u32 reg; | ||
548 | |||
549 | _clk_ccgr_enable(clk); | ||
550 | |||
551 | /* Handshake with MAX when LPM is entered. */ | ||
552 | reg = __raw_readl(MXC_CCM_CLPCR); | ||
553 | if (cpu_is_mx51()) | ||
554 | reg &= ~MX51_CCM_CLPCR_BYPASS_MAX_LPM_HS; | ||
555 | else if (cpu_is_mx53()) | ||
556 | reg &= ~MX53_CCM_CLPCR_BYPASS_MAX_LPM_HS; | ||
557 | __raw_writel(reg, MXC_CCM_CLPCR); | ||
558 | |||
559 | return 0; | ||
560 | } | ||
561 | |||
562 | static void _clk_max_disable(struct clk *clk) | ||
563 | { | ||
564 | u32 reg; | ||
565 | |||
566 | _clk_ccgr_disable_inwait(clk); | ||
567 | |||
568 | /* No Handshake with MAX when LPM is entered as its disabled. */ | ||
569 | reg = __raw_readl(MXC_CCM_CLPCR); | ||
570 | if (cpu_is_mx51()) | ||
571 | reg |= MX51_CCM_CLPCR_BYPASS_MAX_LPM_HS; | ||
572 | else if (cpu_is_mx53()) | ||
573 | reg &= ~MX53_CCM_CLPCR_BYPASS_MAX_LPM_HS; | ||
574 | __raw_writel(reg, MXC_CCM_CLPCR); | ||
575 | } | ||
576 | |||
577 | static unsigned long clk_ipg_get_rate(struct clk *clk) | ||
578 | { | ||
579 | u32 reg, div; | ||
580 | unsigned long parent_rate; | ||
581 | |||
582 | parent_rate = clk_get_rate(clk->parent); | ||
583 | |||
584 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
585 | div = ((reg & MXC_CCM_CBCDR_IPG_PODF_MASK) >> | ||
586 | MXC_CCM_CBCDR_IPG_PODF_OFFSET) + 1; | ||
587 | |||
588 | return parent_rate / div; | ||
589 | } | ||
590 | |||
591 | static unsigned long clk_ipg_per_get_rate(struct clk *clk) | ||
592 | { | ||
593 | u32 reg, prediv1, prediv2, podf; | ||
594 | unsigned long parent_rate; | ||
595 | |||
596 | parent_rate = clk_get_rate(clk->parent); | ||
597 | |||
598 | if (clk->parent == &main_bus_clk || clk->parent == &lp_apm_clk) { | ||
599 | /* the main_bus_clk is the one before the DVFS engine */ | ||
600 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
601 | prediv1 = ((reg & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >> | ||
602 | MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET) + 1; | ||
603 | prediv2 = ((reg & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >> | ||
604 | MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET) + 1; | ||
605 | podf = ((reg & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >> | ||
606 | MXC_CCM_CBCDR_PERCLK_PODF_OFFSET) + 1; | ||
607 | return parent_rate / (prediv1 * prediv2 * podf); | ||
608 | } else if (clk->parent == &ipg_clk) | ||
609 | return parent_rate; | ||
610 | else | ||
611 | BUG(); | ||
612 | } | ||
613 | |||
614 | static int _clk_ipg_per_set_parent(struct clk *clk, struct clk *parent) | ||
615 | { | ||
616 | u32 reg; | ||
617 | |||
618 | reg = __raw_readl(MXC_CCM_CBCMR); | ||
619 | |||
620 | reg &= ~MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL; | ||
621 | reg &= ~MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL; | ||
622 | |||
623 | if (parent == &ipg_clk) | ||
624 | reg |= MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL; | ||
625 | else if (parent == &lp_apm_clk) | ||
626 | reg |= MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL; | ||
627 | else if (parent != &main_bus_clk) | ||
628 | return -EINVAL; | ||
629 | |||
630 | __raw_writel(reg, MXC_CCM_CBCMR); | ||
631 | |||
632 | return 0; | ||
633 | } | ||
634 | |||
635 | #define clk_nfc_set_parent NULL | ||
636 | |||
637 | static unsigned long clk_nfc_get_rate(struct clk *clk) | ||
638 | { | ||
639 | unsigned long rate; | ||
640 | u32 reg, div; | ||
641 | |||
642 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
643 | div = ((reg & MXC_CCM_CBCDR_NFC_PODF_MASK) >> | ||
644 | MXC_CCM_CBCDR_NFC_PODF_OFFSET) + 1; | ||
645 | rate = clk_get_rate(clk->parent) / div; | ||
646 | WARN_ON(rate == 0); | ||
647 | return rate; | ||
648 | } | ||
649 | |||
650 | static unsigned long clk_nfc_round_rate(struct clk *clk, | ||
651 | unsigned long rate) | ||
652 | { | ||
653 | u32 div; | ||
654 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
655 | |||
656 | if (!rate) | ||
657 | return -EINVAL; | ||
658 | |||
659 | div = parent_rate / rate; | ||
660 | |||
661 | if (parent_rate % rate) | ||
662 | div++; | ||
663 | |||
664 | if (div > 8) | ||
665 | return -EINVAL; | ||
666 | |||
667 | return parent_rate / div; | ||
668 | |||
669 | } | ||
670 | |||
671 | static int clk_nfc_set_rate(struct clk *clk, unsigned long rate) | ||
672 | { | ||
673 | u32 reg, div; | ||
674 | |||
675 | div = clk_get_rate(clk->parent) / rate; | ||
676 | if (div == 0) | ||
677 | div++; | ||
678 | if (((clk_get_rate(clk->parent) / div) != rate) || (div > 8)) | ||
679 | return -EINVAL; | ||
680 | |||
681 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
682 | reg &= ~MXC_CCM_CBCDR_NFC_PODF_MASK; | ||
683 | reg |= (div - 1) << MXC_CCM_CBCDR_NFC_PODF_OFFSET; | ||
684 | __raw_writel(reg, MXC_CCM_CBCDR); | ||
685 | |||
686 | while (__raw_readl(MXC_CCM_CDHIPR) & | ||
687 | MXC_CCM_CDHIPR_NFC_IPG_INT_MEM_PODF_BUSY){ | ||
688 | } | ||
689 | |||
690 | return 0; | ||
691 | } | ||
692 | |||
693 | static unsigned long get_high_reference_clock_rate(struct clk *clk) | ||
694 | { | ||
695 | return external_high_reference; | ||
696 | } | ||
697 | |||
698 | static unsigned long get_low_reference_clock_rate(struct clk *clk) | ||
699 | { | ||
700 | return external_low_reference; | ||
701 | } | ||
702 | |||
703 | static unsigned long get_oscillator_reference_clock_rate(struct clk *clk) | ||
704 | { | ||
705 | return oscillator_reference; | ||
706 | } | ||
707 | |||
708 | static unsigned long get_ckih2_reference_clock_rate(struct clk *clk) | ||
709 | { | ||
710 | return ckih2_reference; | ||
711 | } | ||
712 | |||
713 | static unsigned long clk_emi_slow_get_rate(struct clk *clk) | ||
714 | { | ||
715 | u32 reg, div; | ||
716 | |||
717 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
718 | div = ((reg & MXC_CCM_CBCDR_EMI_PODF_MASK) >> | ||
719 | MXC_CCM_CBCDR_EMI_PODF_OFFSET) + 1; | ||
720 | |||
721 | return clk_get_rate(clk->parent) / div; | ||
722 | } | ||
723 | |||
724 | static unsigned long _clk_ddr_hf_get_rate(struct clk *clk) | ||
725 | { | ||
726 | unsigned long rate; | ||
727 | u32 reg, div; | ||
728 | |||
729 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
730 | div = ((reg & MXC_CCM_CBCDR_DDR_PODF_MASK) >> | ||
731 | MXC_CCM_CBCDR_DDR_PODF_OFFSET) + 1; | ||
732 | rate = clk_get_rate(clk->parent) / div; | ||
733 | |||
734 | return rate; | ||
735 | } | ||
736 | |||
737 | /* External high frequency clock */ | ||
738 | static struct clk ckih_clk = { | ||
739 | .get_rate = get_high_reference_clock_rate, | ||
740 | }; | ||
741 | |||
742 | static struct clk ckih2_clk = { | ||
743 | .get_rate = get_ckih2_reference_clock_rate, | ||
744 | }; | ||
745 | |||
746 | static struct clk osc_clk = { | ||
747 | .get_rate = get_oscillator_reference_clock_rate, | ||
748 | }; | ||
749 | |||
750 | /* External low frequency (32kHz) clock */ | ||
751 | static struct clk ckil_clk = { | ||
752 | .get_rate = get_low_reference_clock_rate, | ||
753 | }; | ||
754 | |||
755 | static struct clk pll1_main_clk = { | ||
756 | .parent = &osc_clk, | ||
757 | .get_rate = clk_pll_get_rate, | ||
758 | .enable = _clk_pll_enable, | ||
759 | .disable = _clk_pll_disable, | ||
760 | }; | ||
761 | |||
762 | /* Clock tree block diagram (WIP): | ||
763 | * CCM: Clock Controller Module | ||
764 | * | ||
765 | * PLL output -> | | ||
766 | * | CCM Switcher -> CCM_CLK_ROOT_GEN -> | ||
767 | * PLL bypass -> | | ||
768 | * | ||
769 | */ | ||
770 | |||
771 | /* PLL1 SW supplies to ARM core */ | ||
772 | static struct clk pll1_sw_clk = { | ||
773 | .parent = &pll1_main_clk, | ||
774 | .set_parent = _clk_pll1_sw_set_parent, | ||
775 | .get_rate = clk_pll1_sw_get_rate, | ||
776 | }; | ||
777 | |||
778 | /* PLL2 SW supplies to AXI/AHB/IP buses */ | ||
779 | static struct clk pll2_sw_clk = { | ||
780 | .parent = &osc_clk, | ||
781 | .get_rate = clk_pll_get_rate, | ||
782 | .set_rate = _clk_pll_set_rate, | ||
783 | .set_parent = _clk_pll2_sw_set_parent, | ||
784 | .enable = _clk_pll_enable, | ||
785 | .disable = _clk_pll_disable, | ||
786 | }; | ||
787 | |||
788 | /* PLL3 SW supplies to serial clocks like USB, SSI, etc. */ | ||
789 | static struct clk pll3_sw_clk = { | ||
790 | .parent = &osc_clk, | ||
791 | .set_rate = _clk_pll_set_rate, | ||
792 | .get_rate = clk_pll_get_rate, | ||
793 | .enable = _clk_pll_enable, | ||
794 | .disable = _clk_pll_disable, | ||
795 | }; | ||
796 | |||
797 | /* PLL4 SW supplies to LVDS Display Bridge(LDB) */ | ||
798 | static struct clk mx53_pll4_sw_clk = { | ||
799 | .parent = &osc_clk, | ||
800 | .set_rate = _clk_pll_set_rate, | ||
801 | .enable = _clk_pll_enable, | ||
802 | .disable = _clk_pll_disable, | ||
803 | }; | ||
804 | |||
805 | /* Low-power Audio Playback Mode clock */ | ||
806 | static struct clk lp_apm_clk = { | ||
807 | .parent = &osc_clk, | ||
808 | .set_parent = _clk_lp_apm_set_parent, | ||
809 | }; | ||
810 | |||
811 | static struct clk periph_apm_clk = { | ||
812 | .parent = &pll1_sw_clk, | ||
813 | .set_parent = _clk_periph_apm_set_parent, | ||
814 | }; | ||
815 | |||
816 | static struct clk cpu_clk = { | ||
817 | .parent = &pll1_sw_clk, | ||
818 | .get_rate = clk_cpu_get_rate, | ||
819 | .set_rate = clk_cpu_set_rate, | ||
820 | }; | ||
821 | |||
822 | static struct clk ahb_clk = { | ||
823 | .parent = &main_bus_clk, | ||
824 | .get_rate = clk_ahb_get_rate, | ||
825 | .set_rate = _clk_ahb_set_rate, | ||
826 | .round_rate = _clk_ahb_round_rate, | ||
827 | }; | ||
828 | |||
829 | static struct clk iim_clk = { | ||
830 | .parent = &ipg_clk, | ||
831 | .enable_reg = MXC_CCM_CCGR0, | ||
832 | .enable_shift = MXC_CCM_CCGRx_CG15_OFFSET, | ||
833 | }; | ||
834 | |||
835 | /* Main IP interface clock for access to registers */ | ||
836 | static struct clk ipg_clk = { | ||
837 | .parent = &ahb_clk, | ||
838 | .get_rate = clk_ipg_get_rate, | ||
839 | }; | ||
840 | |||
841 | static struct clk ipg_perclk = { | ||
842 | .parent = &lp_apm_clk, | ||
843 | .get_rate = clk_ipg_per_get_rate, | ||
844 | .set_parent = _clk_ipg_per_set_parent, | ||
845 | }; | ||
846 | |||
847 | static struct clk ahb_max_clk = { | ||
848 | .parent = &ahb_clk, | ||
849 | .enable_reg = MXC_CCM_CCGR0, | ||
850 | .enable_shift = MXC_CCM_CCGRx_CG14_OFFSET, | ||
851 | .enable = _clk_max_enable, | ||
852 | .disable = _clk_max_disable, | ||
853 | }; | ||
854 | |||
855 | static struct clk aips_tz1_clk = { | ||
856 | .parent = &ahb_clk, | ||
857 | .secondary = &ahb_max_clk, | ||
858 | .enable_reg = MXC_CCM_CCGR0, | ||
859 | .enable_shift = MXC_CCM_CCGRx_CG12_OFFSET, | ||
860 | .enable = _clk_ccgr_enable, | ||
861 | .disable = _clk_ccgr_disable_inwait, | ||
862 | }; | ||
863 | |||
864 | static struct clk aips_tz2_clk = { | ||
865 | .parent = &ahb_clk, | ||
866 | .secondary = &ahb_max_clk, | ||
867 | .enable_reg = MXC_CCM_CCGR0, | ||
868 | .enable_shift = MXC_CCM_CCGRx_CG13_OFFSET, | ||
869 | .enable = _clk_ccgr_enable, | ||
870 | .disable = _clk_ccgr_disable_inwait, | ||
871 | }; | ||
872 | |||
873 | static struct clk gpc_dvfs_clk = { | ||
874 | .enable_reg = MXC_CCM_CCGR5, | ||
875 | .enable_shift = MXC_CCM_CCGRx_CG12_OFFSET, | ||
876 | .enable = _clk_ccgr_enable, | ||
877 | .disable = _clk_ccgr_disable, | ||
878 | }; | ||
879 | |||
880 | static struct clk gpt_32k_clk = { | ||
881 | .id = 0, | ||
882 | .parent = &ckil_clk, | ||
883 | }; | ||
884 | |||
885 | static struct clk dummy_clk = { | ||
886 | .id = 0, | ||
887 | }; | ||
888 | |||
889 | static struct clk emi_slow_clk = { | ||
890 | .parent = &pll2_sw_clk, | ||
891 | .enable_reg = MXC_CCM_CCGR5, | ||
892 | .enable_shift = MXC_CCM_CCGRx_CG8_OFFSET, | ||
893 | .enable = _clk_ccgr_enable, | ||
894 | .disable = _clk_ccgr_disable_inwait, | ||
895 | .get_rate = clk_emi_slow_get_rate, | ||
896 | }; | ||
897 | |||
898 | static int clk_ipu_enable(struct clk *clk) | ||
899 | { | ||
900 | u32 reg; | ||
901 | |||
902 | _clk_ccgr_enable(clk); | ||
903 | |||
904 | /* Enable handshake with IPU when certain clock rates are changed */ | ||
905 | reg = __raw_readl(MXC_CCM_CCDR); | ||
906 | reg &= ~MXC_CCM_CCDR_IPU_HS_MASK; | ||
907 | __raw_writel(reg, MXC_CCM_CCDR); | ||
908 | |||
909 | /* Enable handshake with IPU when LPM is entered */ | ||
910 | reg = __raw_readl(MXC_CCM_CLPCR); | ||
911 | reg &= ~MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS; | ||
912 | __raw_writel(reg, MXC_CCM_CLPCR); | ||
913 | |||
914 | return 0; | ||
915 | } | ||
916 | |||
917 | static void clk_ipu_disable(struct clk *clk) | ||
918 | { | ||
919 | u32 reg; | ||
920 | |||
921 | _clk_ccgr_disable(clk); | ||
922 | |||
923 | /* Disable handshake with IPU whe dividers are changed */ | ||
924 | reg = __raw_readl(MXC_CCM_CCDR); | ||
925 | reg |= MXC_CCM_CCDR_IPU_HS_MASK; | ||
926 | __raw_writel(reg, MXC_CCM_CCDR); | ||
927 | |||
928 | /* Disable handshake with IPU when LPM is entered */ | ||
929 | reg = __raw_readl(MXC_CCM_CLPCR); | ||
930 | reg |= MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS; | ||
931 | __raw_writel(reg, MXC_CCM_CLPCR); | ||
932 | } | ||
933 | |||
934 | static struct clk ahbmux1_clk = { | ||
935 | .parent = &ahb_clk, | ||
936 | .secondary = &ahb_max_clk, | ||
937 | .enable_reg = MXC_CCM_CCGR0, | ||
938 | .enable_shift = MXC_CCM_CCGRx_CG8_OFFSET, | ||
939 | .enable = _clk_ccgr_enable, | ||
940 | .disable = _clk_ccgr_disable_inwait, | ||
941 | }; | ||
942 | |||
943 | static struct clk ipu_sec_clk = { | ||
944 | .parent = &emi_fast_clk, | ||
945 | .secondary = &ahbmux1_clk, | ||
946 | }; | ||
947 | |||
948 | static struct clk ddr_hf_clk = { | ||
949 | .parent = &pll1_sw_clk, | ||
950 | .get_rate = _clk_ddr_hf_get_rate, | ||
951 | }; | ||
952 | |||
953 | static struct clk ddr_clk = { | ||
954 | .parent = &ddr_hf_clk, | ||
955 | }; | ||
956 | |||
957 | /* clock definitions for MIPI HSC unit which has been removed | ||
958 | * from documentation, but not from hardware | ||
959 | */ | ||
960 | static int _clk_hsc_enable(struct clk *clk) | ||
961 | { | ||
962 | u32 reg; | ||
963 | |||
964 | _clk_ccgr_enable(clk); | ||
965 | /* Handshake with IPU when certain clock rates are changed. */ | ||
966 | reg = __raw_readl(MXC_CCM_CCDR); | ||
967 | reg &= ~MXC_CCM_CCDR_HSC_HS_MASK; | ||
968 | __raw_writel(reg, MXC_CCM_CCDR); | ||
969 | |||
970 | reg = __raw_readl(MXC_CCM_CLPCR); | ||
971 | reg &= ~MXC_CCM_CLPCR_BYPASS_HSC_LPM_HS; | ||
972 | __raw_writel(reg, MXC_CCM_CLPCR); | ||
973 | |||
974 | return 0; | ||
975 | } | ||
976 | |||
977 | static void _clk_hsc_disable(struct clk *clk) | ||
978 | { | ||
979 | u32 reg; | ||
980 | |||
981 | _clk_ccgr_disable(clk); | ||
982 | /* No handshake with HSC as its not enabled. */ | ||
983 | reg = __raw_readl(MXC_CCM_CCDR); | ||
984 | reg |= MXC_CCM_CCDR_HSC_HS_MASK; | ||
985 | __raw_writel(reg, MXC_CCM_CCDR); | ||
986 | |||
987 | reg = __raw_readl(MXC_CCM_CLPCR); | ||
988 | reg |= MXC_CCM_CLPCR_BYPASS_HSC_LPM_HS; | ||
989 | __raw_writel(reg, MXC_CCM_CLPCR); | ||
990 | } | ||
991 | |||
992 | static struct clk mipi_hsp_clk = { | ||
993 | .parent = &ipu_clk, | ||
994 | .enable_reg = MXC_CCM_CCGR4, | ||
995 | .enable_shift = MXC_CCM_CCGRx_CG6_OFFSET, | ||
996 | .enable = _clk_hsc_enable, | ||
997 | .disable = _clk_hsc_disable, | ||
998 | .secondary = &mipi_hsc1_clk, | ||
999 | }; | ||
1000 | |||
1001 | #define DEFINE_CLOCK_CCGR(name, i, er, es, pfx, p, s) \ | ||
1002 | static struct clk name = { \ | ||
1003 | .id = i, \ | ||
1004 | .enable_reg = er, \ | ||
1005 | .enable_shift = es, \ | ||
1006 | .get_rate = pfx##_get_rate, \ | ||
1007 | .set_rate = pfx##_set_rate, \ | ||
1008 | .round_rate = pfx##_round_rate, \ | ||
1009 | .set_parent = pfx##_set_parent, \ | ||
1010 | .enable = _clk_ccgr_enable, \ | ||
1011 | .disable = _clk_ccgr_disable, \ | ||
1012 | .parent = p, \ | ||
1013 | .secondary = s, \ | ||
1014 | } | ||
1015 | |||
1016 | #define DEFINE_CLOCK_MAX(name, i, er, es, pfx, p, s) \ | ||
1017 | static struct clk name = { \ | ||
1018 | .id = i, \ | ||
1019 | .enable_reg = er, \ | ||
1020 | .enable_shift = es, \ | ||
1021 | .get_rate = pfx##_get_rate, \ | ||
1022 | .set_rate = pfx##_set_rate, \ | ||
1023 | .set_parent = pfx##_set_parent, \ | ||
1024 | .enable = _clk_max_enable, \ | ||
1025 | .disable = _clk_max_disable, \ | ||
1026 | .parent = p, \ | ||
1027 | .secondary = s, \ | ||
1028 | } | ||
1029 | |||
1030 | #define CLK_GET_RATE(name, nr, bitsname) \ | ||
1031 | static unsigned long clk_##name##_get_rate(struct clk *clk) \ | ||
1032 | { \ | ||
1033 | u32 reg, pred, podf; \ | ||
1034 | \ | ||
1035 | reg = __raw_readl(MXC_CCM_CSCDR##nr); \ | ||
1036 | pred = (reg & MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_MASK) \ | ||
1037 | >> MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_OFFSET; \ | ||
1038 | podf = (reg & MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_MASK) \ | ||
1039 | >> MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_OFFSET; \ | ||
1040 | \ | ||
1041 | return DIV_ROUND_CLOSEST(clk_get_rate(clk->parent), \ | ||
1042 | (pred + 1) * (podf + 1)); \ | ||
1043 | } | ||
1044 | |||
1045 | #define CLK_SET_PARENT(name, nr, bitsname) \ | ||
1046 | static int clk_##name##_set_parent(struct clk *clk, struct clk *parent) \ | ||
1047 | { \ | ||
1048 | u32 reg, mux; \ | ||
1049 | \ | ||
1050 | mux = _get_mux(parent, &pll1_sw_clk, &pll2_sw_clk, \ | ||
1051 | &pll3_sw_clk, &lp_apm_clk); \ | ||
1052 | reg = __raw_readl(MXC_CCM_CSCMR##nr) & \ | ||
1053 | ~MXC_CCM_CSCMR##nr##_##bitsname##_CLK_SEL_MASK; \ | ||
1054 | reg |= mux << MXC_CCM_CSCMR##nr##_##bitsname##_CLK_SEL_OFFSET; \ | ||
1055 | __raw_writel(reg, MXC_CCM_CSCMR##nr); \ | ||
1056 | \ | ||
1057 | return 0; \ | ||
1058 | } | ||
1059 | |||
1060 | #define CLK_SET_RATE(name, nr, bitsname) \ | ||
1061 | static int clk_##name##_set_rate(struct clk *clk, unsigned long rate) \ | ||
1062 | { \ | ||
1063 | u32 reg, div, parent_rate; \ | ||
1064 | u32 pre = 0, post = 0; \ | ||
1065 | \ | ||
1066 | parent_rate = clk_get_rate(clk->parent); \ | ||
1067 | div = parent_rate / rate; \ | ||
1068 | \ | ||
1069 | if ((parent_rate / div) != rate) \ | ||
1070 | return -EINVAL; \ | ||
1071 | \ | ||
1072 | __calc_pre_post_dividers(div, &pre, &post, \ | ||
1073 | (MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_MASK >> \ | ||
1074 | MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_OFFSET) + 1, \ | ||
1075 | (MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_MASK >> \ | ||
1076 | MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_OFFSET) + 1);\ | ||
1077 | \ | ||
1078 | /* Set sdhc1 clock divider */ \ | ||
1079 | reg = __raw_readl(MXC_CCM_CSCDR##nr) & \ | ||
1080 | ~(MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_MASK \ | ||
1081 | | MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_MASK); \ | ||
1082 | reg |= (post - 1) << \ | ||
1083 | MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_OFFSET; \ | ||
1084 | reg |= (pre - 1) << \ | ||
1085 | MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_OFFSET; \ | ||
1086 | __raw_writel(reg, MXC_CCM_CSCDR##nr); \ | ||
1087 | \ | ||
1088 | return 0; \ | ||
1089 | } | ||
1090 | |||
1091 | /* UART */ | ||
1092 | CLK_GET_RATE(uart, 1, UART) | ||
1093 | CLK_SET_PARENT(uart, 1, UART) | ||
1094 | |||
1095 | static struct clk uart_root_clk = { | ||
1096 | .parent = &pll2_sw_clk, | ||
1097 | .get_rate = clk_uart_get_rate, | ||
1098 | .set_parent = clk_uart_set_parent, | ||
1099 | }; | ||
1100 | |||
1101 | /* USBOH3 */ | ||
1102 | CLK_GET_RATE(usboh3, 1, USBOH3) | ||
1103 | CLK_SET_PARENT(usboh3, 1, USBOH3) | ||
1104 | |||
1105 | static struct clk usboh3_clk = { | ||
1106 | .parent = &pll2_sw_clk, | ||
1107 | .get_rate = clk_usboh3_get_rate, | ||
1108 | .set_parent = clk_usboh3_set_parent, | ||
1109 | .enable = _clk_ccgr_enable, | ||
1110 | .disable = _clk_ccgr_disable, | ||
1111 | .enable_reg = MXC_CCM_CCGR2, | ||
1112 | .enable_shift = MXC_CCM_CCGRx_CG14_OFFSET, | ||
1113 | }; | ||
1114 | |||
1115 | static struct clk usb_ahb_clk = { | ||
1116 | .parent = &ipg_clk, | ||
1117 | .enable = _clk_ccgr_enable, | ||
1118 | .disable = _clk_ccgr_disable, | ||
1119 | .enable_reg = MXC_CCM_CCGR2, | ||
1120 | .enable_shift = MXC_CCM_CCGRx_CG13_OFFSET, | ||
1121 | }; | ||
1122 | |||
1123 | static int clk_usb_phy1_set_parent(struct clk *clk, struct clk *parent) | ||
1124 | { | ||
1125 | u32 reg; | ||
1126 | |||
1127 | reg = __raw_readl(MXC_CCM_CSCMR1) & ~MXC_CCM_CSCMR1_USB_PHY_CLK_SEL; | ||
1128 | |||
1129 | if (parent == &pll3_sw_clk) | ||
1130 | reg |= 1 << MXC_CCM_CSCMR1_USB_PHY_CLK_SEL_OFFSET; | ||
1131 | |||
1132 | __raw_writel(reg, MXC_CCM_CSCMR1); | ||
1133 | |||
1134 | return 0; | ||
1135 | } | ||
1136 | |||
1137 | static struct clk usb_phy1_clk = { | ||
1138 | .parent = &pll3_sw_clk, | ||
1139 | .set_parent = clk_usb_phy1_set_parent, | ||
1140 | .enable = _clk_ccgr_enable, | ||
1141 | .enable_reg = MXC_CCM_CCGR2, | ||
1142 | .enable_shift = MXC_CCM_CCGRx_CG0_OFFSET, | ||
1143 | .disable = _clk_ccgr_disable, | ||
1144 | }; | ||
1145 | |||
1146 | /* eCSPI */ | ||
1147 | CLK_GET_RATE(ecspi, 2, CSPI) | ||
1148 | CLK_SET_PARENT(ecspi, 1, CSPI) | ||
1149 | |||
1150 | static struct clk ecspi_main_clk = { | ||
1151 | .parent = &pll3_sw_clk, | ||
1152 | .get_rate = clk_ecspi_get_rate, | ||
1153 | .set_parent = clk_ecspi_set_parent, | ||
1154 | }; | ||
1155 | |||
1156 | /* eSDHC */ | ||
1157 | CLK_GET_RATE(esdhc1, 1, ESDHC1_MSHC1) | ||
1158 | CLK_SET_PARENT(esdhc1, 1, ESDHC1_MSHC1) | ||
1159 | CLK_SET_RATE(esdhc1, 1, ESDHC1_MSHC1) | ||
1160 | |||
1161 | /* mx51 specific */ | ||
1162 | CLK_GET_RATE(esdhc2, 1, ESDHC2_MSHC2) | ||
1163 | CLK_SET_PARENT(esdhc2, 1, ESDHC2_MSHC2) | ||
1164 | CLK_SET_RATE(esdhc2, 1, ESDHC2_MSHC2) | ||
1165 | |||
1166 | static int clk_esdhc3_set_parent(struct clk *clk, struct clk *parent) | ||
1167 | { | ||
1168 | u32 reg; | ||
1169 | |||
1170 | reg = __raw_readl(MXC_CCM_CSCMR1); | ||
1171 | if (parent == &esdhc1_clk) | ||
1172 | reg &= ~MXC_CCM_CSCMR1_ESDHC3_CLK_SEL; | ||
1173 | else if (parent == &esdhc2_clk) | ||
1174 | reg |= MXC_CCM_CSCMR1_ESDHC3_CLK_SEL; | ||
1175 | else | ||
1176 | return -EINVAL; | ||
1177 | __raw_writel(reg, MXC_CCM_CSCMR1); | ||
1178 | |||
1179 | return 0; | ||
1180 | } | ||
1181 | |||
1182 | static int clk_esdhc4_set_parent(struct clk *clk, struct clk *parent) | ||
1183 | { | ||
1184 | u32 reg; | ||
1185 | |||
1186 | reg = __raw_readl(MXC_CCM_CSCMR1); | ||
1187 | if (parent == &esdhc1_clk) | ||
1188 | reg &= ~MXC_CCM_CSCMR1_ESDHC4_CLK_SEL; | ||
1189 | else if (parent == &esdhc2_clk) | ||
1190 | reg |= MXC_CCM_CSCMR1_ESDHC4_CLK_SEL; | ||
1191 | else | ||
1192 | return -EINVAL; | ||
1193 | __raw_writel(reg, MXC_CCM_CSCMR1); | ||
1194 | |||
1195 | return 0; | ||
1196 | } | ||
1197 | |||
1198 | /* mx53 specific */ | ||
1199 | static int clk_esdhc2_mx53_set_parent(struct clk *clk, struct clk *parent) | ||
1200 | { | ||
1201 | u32 reg; | ||
1202 | |||
1203 | reg = __raw_readl(MXC_CCM_CSCMR1); | ||
1204 | if (parent == &esdhc1_clk) | ||
1205 | reg &= ~MXC_CCM_CSCMR1_ESDHC2_MSHC2_MX53_CLK_SEL; | ||
1206 | else if (parent == &esdhc3_mx53_clk) | ||
1207 | reg |= MXC_CCM_CSCMR1_ESDHC2_MSHC2_MX53_CLK_SEL; | ||
1208 | else | ||
1209 | return -EINVAL; | ||
1210 | __raw_writel(reg, MXC_CCM_CSCMR1); | ||
1211 | |||
1212 | return 0; | ||
1213 | } | ||
1214 | |||
1215 | CLK_GET_RATE(esdhc3_mx53, 1, ESDHC3_MX53) | ||
1216 | CLK_SET_PARENT(esdhc3_mx53, 1, ESDHC3_MX53) | ||
1217 | CLK_SET_RATE(esdhc3_mx53, 1, ESDHC3_MX53) | ||
1218 | |||
1219 | static int clk_esdhc4_mx53_set_parent(struct clk *clk, struct clk *parent) | ||
1220 | { | ||
1221 | u32 reg; | ||
1222 | |||
1223 | reg = __raw_readl(MXC_CCM_CSCMR1); | ||
1224 | if (parent == &esdhc1_clk) | ||
1225 | reg &= ~MXC_CCM_CSCMR1_ESDHC4_CLK_SEL; | ||
1226 | else if (parent == &esdhc3_mx53_clk) | ||
1227 | reg |= MXC_CCM_CSCMR1_ESDHC4_CLK_SEL; | ||
1228 | else | ||
1229 | return -EINVAL; | ||
1230 | __raw_writel(reg, MXC_CCM_CSCMR1); | ||
1231 | |||
1232 | return 0; | ||
1233 | } | ||
1234 | |||
1235 | #define DEFINE_CLOCK_FULL(name, i, er, es, gr, sr, e, d, p, s) \ | ||
1236 | static struct clk name = { \ | ||
1237 | .id = i, \ | ||
1238 | .enable_reg = er, \ | ||
1239 | .enable_shift = es, \ | ||
1240 | .get_rate = gr, \ | ||
1241 | .set_rate = sr, \ | ||
1242 | .enable = e, \ | ||
1243 | .disable = d, \ | ||
1244 | .parent = p, \ | ||
1245 | .secondary = s, \ | ||
1246 | } | ||
1247 | |||
1248 | #define DEFINE_CLOCK(name, i, er, es, gr, sr, p, s) \ | ||
1249 | DEFINE_CLOCK_FULL(name, i, er, es, gr, sr, _clk_ccgr_enable, _clk_ccgr_disable, p, s) | ||
1250 | |||
1251 | /* Shared peripheral bus arbiter */ | ||
1252 | DEFINE_CLOCK(spba_clk, 0, MXC_CCM_CCGR5, MXC_CCM_CCGRx_CG0_OFFSET, | ||
1253 | NULL, NULL, &ipg_clk, NULL); | ||
1254 | |||
1255 | /* UART */ | ||
1256 | DEFINE_CLOCK(uart1_ipg_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG3_OFFSET, | ||
1257 | NULL, NULL, &ipg_clk, &aips_tz1_clk); | ||
1258 | DEFINE_CLOCK(uart2_ipg_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG5_OFFSET, | ||
1259 | NULL, NULL, &ipg_clk, &aips_tz1_clk); | ||
1260 | DEFINE_CLOCK(uart3_ipg_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG7_OFFSET, | ||
1261 | NULL, NULL, &ipg_clk, &spba_clk); | ||
1262 | DEFINE_CLOCK(uart4_ipg_clk, 3, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG4_OFFSET, | ||
1263 | NULL, NULL, &ipg_clk, &spba_clk); | ||
1264 | DEFINE_CLOCK(uart5_ipg_clk, 4, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG6_OFFSET, | ||
1265 | NULL, NULL, &ipg_clk, &spba_clk); | ||
1266 | DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG4_OFFSET, | ||
1267 | NULL, NULL, &uart_root_clk, &uart1_ipg_clk); | ||
1268 | DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG6_OFFSET, | ||
1269 | NULL, NULL, &uart_root_clk, &uart2_ipg_clk); | ||
1270 | DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG8_OFFSET, | ||
1271 | NULL, NULL, &uart_root_clk, &uart3_ipg_clk); | ||
1272 | DEFINE_CLOCK(uart4_clk, 3, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG5_OFFSET, | ||
1273 | NULL, NULL, &uart_root_clk, &uart4_ipg_clk); | ||
1274 | DEFINE_CLOCK(uart5_clk, 4, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG7_OFFSET, | ||
1275 | NULL, NULL, &uart_root_clk, &uart5_ipg_clk); | ||
1276 | |||
1277 | /* GPT */ | ||
1278 | DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET, | ||
1279 | NULL, NULL, &ipg_clk, NULL); | ||
1280 | DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET, | ||
1281 | NULL, NULL, &ipg_clk, &gpt_ipg_clk); | ||
1282 | |||
1283 | DEFINE_CLOCK(pwm1_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG6_OFFSET, | ||
1284 | NULL, NULL, &ipg_perclk, NULL); | ||
1285 | DEFINE_CLOCK(pwm2_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG8_OFFSET, | ||
1286 | NULL, NULL, &ipg_perclk, NULL); | ||
1287 | |||
1288 | /* I2C */ | ||
1289 | DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG9_OFFSET, | ||
1290 | NULL, NULL, &ipg_perclk, NULL); | ||
1291 | DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG10_OFFSET, | ||
1292 | NULL, NULL, &ipg_perclk, NULL); | ||
1293 | DEFINE_CLOCK(hsi2c_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET, | ||
1294 | NULL, NULL, &ipg_clk, NULL); | ||
1295 | DEFINE_CLOCK(i2c3_mx53_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET, | ||
1296 | NULL, NULL, &ipg_perclk, NULL); | ||
1297 | |||
1298 | /* FEC */ | ||
1299 | DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET, | ||
1300 | NULL, NULL, &ipg_clk, NULL); | ||
1301 | |||
1302 | /* NFC */ | ||
1303 | DEFINE_CLOCK_CCGR(nfc_clk, 0, MXC_CCM_CCGR5, MXC_CCM_CCGRx_CG10_OFFSET, | ||
1304 | clk_nfc, &emi_slow_clk, NULL); | ||
1305 | |||
1306 | /* SSI */ | ||
1307 | DEFINE_CLOCK(ssi1_ipg_clk, 0, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG8_OFFSET, | ||
1308 | NULL, NULL, &ipg_clk, NULL); | ||
1309 | DEFINE_CLOCK(ssi1_clk, 0, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG9_OFFSET, | ||
1310 | NULL, NULL, &pll3_sw_clk, &ssi1_ipg_clk); | ||
1311 | DEFINE_CLOCK(ssi2_ipg_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG10_OFFSET, | ||
1312 | NULL, NULL, &ipg_clk, NULL); | ||
1313 | DEFINE_CLOCK(ssi2_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG11_OFFSET, | ||
1314 | NULL, NULL, &pll3_sw_clk, &ssi2_ipg_clk); | ||
1315 | DEFINE_CLOCK(ssi3_ipg_clk, 2, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG12_OFFSET, | ||
1316 | NULL, NULL, &ipg_clk, NULL); | ||
1317 | DEFINE_CLOCK(ssi3_clk, 2, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG13_OFFSET, | ||
1318 | NULL, NULL, &pll3_sw_clk, &ssi3_ipg_clk); | ||
1319 | |||
1320 | /* eCSPI */ | ||
1321 | DEFINE_CLOCK_FULL(ecspi1_ipg_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG9_OFFSET, | ||
1322 | NULL, NULL, _clk_ccgr_enable_inrun, _clk_ccgr_disable, | ||
1323 | &ipg_clk, &spba_clk); | ||
1324 | DEFINE_CLOCK(ecspi1_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG10_OFFSET, | ||
1325 | NULL, NULL, &ecspi_main_clk, &ecspi1_ipg_clk); | ||
1326 | DEFINE_CLOCK_FULL(ecspi2_ipg_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG11_OFFSET, | ||
1327 | NULL, NULL, _clk_ccgr_enable_inrun, _clk_ccgr_disable, | ||
1328 | &ipg_clk, &aips_tz2_clk); | ||
1329 | DEFINE_CLOCK(ecspi2_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG12_OFFSET, | ||
1330 | NULL, NULL, &ecspi_main_clk, &ecspi2_ipg_clk); | ||
1331 | |||
1332 | /* CSPI */ | ||
1333 | DEFINE_CLOCK(cspi_ipg_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG9_OFFSET, | ||
1334 | NULL, NULL, &ipg_clk, &aips_tz2_clk); | ||
1335 | DEFINE_CLOCK(cspi_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG13_OFFSET, | ||
1336 | NULL, NULL, &ipg_clk, &cspi_ipg_clk); | ||
1337 | |||
1338 | /* SDMA */ | ||
1339 | DEFINE_CLOCK(sdma_clk, 1, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG15_OFFSET, | ||
1340 | NULL, NULL, &ahb_clk, NULL); | ||
1341 | |||
1342 | /* eSDHC */ | ||
1343 | DEFINE_CLOCK_FULL(esdhc1_ipg_clk, 0, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG0_OFFSET, | ||
1344 | NULL, NULL, _clk_max_enable, _clk_max_disable, &ipg_clk, NULL); | ||
1345 | DEFINE_CLOCK_MAX(esdhc1_clk, 0, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG1_OFFSET, | ||
1346 | clk_esdhc1, &pll2_sw_clk, &esdhc1_ipg_clk); | ||
1347 | DEFINE_CLOCK_FULL(esdhc2_ipg_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG2_OFFSET, | ||
1348 | NULL, NULL, _clk_max_enable, _clk_max_disable, &ipg_clk, NULL); | ||
1349 | DEFINE_CLOCK_FULL(esdhc3_ipg_clk, 2, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG4_OFFSET, | ||
1350 | NULL, NULL, _clk_max_enable, _clk_max_disable, &ipg_clk, NULL); | ||
1351 | DEFINE_CLOCK_FULL(esdhc4_ipg_clk, 3, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG6_OFFSET, | ||
1352 | NULL, NULL, _clk_max_enable, _clk_max_disable, &ipg_clk, NULL); | ||
1353 | |||
1354 | /* mx51 specific */ | ||
1355 | DEFINE_CLOCK_MAX(esdhc2_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG3_OFFSET, | ||
1356 | clk_esdhc2, &pll2_sw_clk, &esdhc2_ipg_clk); | ||
1357 | |||
1358 | static struct clk esdhc3_clk = { | ||
1359 | .id = 2, | ||
1360 | .parent = &esdhc1_clk, | ||
1361 | .set_parent = clk_esdhc3_set_parent, | ||
1362 | .enable_reg = MXC_CCM_CCGR3, | ||
1363 | .enable_shift = MXC_CCM_CCGRx_CG5_OFFSET, | ||
1364 | .enable = _clk_max_enable, | ||
1365 | .disable = _clk_max_disable, | ||
1366 | .secondary = &esdhc3_ipg_clk, | ||
1367 | }; | ||
1368 | static struct clk esdhc4_clk = { | ||
1369 | .id = 3, | ||
1370 | .parent = &esdhc1_clk, | ||
1371 | .set_parent = clk_esdhc4_set_parent, | ||
1372 | .enable_reg = MXC_CCM_CCGR3, | ||
1373 | .enable_shift = MXC_CCM_CCGRx_CG7_OFFSET, | ||
1374 | .enable = _clk_max_enable, | ||
1375 | .disable = _clk_max_disable, | ||
1376 | .secondary = &esdhc4_ipg_clk, | ||
1377 | }; | ||
1378 | |||
1379 | /* mx53 specific */ | ||
1380 | static struct clk esdhc2_mx53_clk = { | ||
1381 | .id = 2, | ||
1382 | .parent = &esdhc1_clk, | ||
1383 | .set_parent = clk_esdhc2_mx53_set_parent, | ||
1384 | .enable_reg = MXC_CCM_CCGR3, | ||
1385 | .enable_shift = MXC_CCM_CCGRx_CG3_OFFSET, | ||
1386 | .enable = _clk_max_enable, | ||
1387 | .disable = _clk_max_disable, | ||
1388 | .secondary = &esdhc3_ipg_clk, | ||
1389 | }; | ||
1390 | |||
1391 | DEFINE_CLOCK_MAX(esdhc3_mx53_clk, 2, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG5_OFFSET, | ||
1392 | clk_esdhc3_mx53, &pll2_sw_clk, &esdhc2_ipg_clk); | ||
1393 | |||
1394 | static struct clk esdhc4_mx53_clk = { | ||
1395 | .id = 3, | ||
1396 | .parent = &esdhc1_clk, | ||
1397 | .set_parent = clk_esdhc4_mx53_set_parent, | ||
1398 | .enable_reg = MXC_CCM_CCGR3, | ||
1399 | .enable_shift = MXC_CCM_CCGRx_CG7_OFFSET, | ||
1400 | .enable = _clk_max_enable, | ||
1401 | .disable = _clk_max_disable, | ||
1402 | .secondary = &esdhc4_ipg_clk, | ||
1403 | }; | ||
1404 | |||
1405 | static struct clk sata_clk = { | ||
1406 | .parent = &ipg_clk, | ||
1407 | .enable = _clk_max_enable, | ||
1408 | .enable_reg = MXC_CCM_CCGR4, | ||
1409 | .enable_shift = MXC_CCM_CCGRx_CG1_OFFSET, | ||
1410 | .disable = _clk_max_disable, | ||
1411 | }; | ||
1412 | |||
1413 | static struct clk ahci_phy_clk = { | ||
1414 | .parent = &usb_phy1_clk, | ||
1415 | }; | ||
1416 | |||
1417 | static struct clk ahci_dma_clk = { | ||
1418 | .parent = &ahb_clk, | ||
1419 | }; | ||
1420 | |||
1421 | DEFINE_CLOCK(mipi_esc_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG5_OFFSET, NULL, NULL, NULL, &pll2_sw_clk); | ||
1422 | DEFINE_CLOCK(mipi_hsc2_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG4_OFFSET, NULL, NULL, &mipi_esc_clk, &pll2_sw_clk); | ||
1423 | DEFINE_CLOCK(mipi_hsc1_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG3_OFFSET, NULL, NULL, &mipi_hsc2_clk, &pll2_sw_clk); | ||
1424 | |||
1425 | /* IPU */ | ||
1426 | DEFINE_CLOCK_FULL(ipu_clk, 0, MXC_CCM_CCGR5, MXC_CCM_CCGRx_CG5_OFFSET, | ||
1427 | NULL, NULL, clk_ipu_enable, clk_ipu_disable, &ahb_clk, &ipu_sec_clk); | ||
1428 | |||
1429 | DEFINE_CLOCK_FULL(emi_fast_clk, 0, MXC_CCM_CCGR5, MXC_CCM_CCGRx_CG7_OFFSET, | ||
1430 | NULL, NULL, _clk_ccgr_enable, _clk_ccgr_disable_inwait, | ||
1431 | &ddr_clk, NULL); | ||
1432 | |||
1433 | DEFINE_CLOCK(ipu_di0_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG5_OFFSET, | ||
1434 | NULL, NULL, &pll3_sw_clk, NULL); | ||
1435 | DEFINE_CLOCK(ipu_di1_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG6_OFFSET, | ||
1436 | NULL, NULL, &pll3_sw_clk, NULL); | ||
1437 | |||
1438 | /* PATA */ | ||
1439 | DEFINE_CLOCK(pata_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG0_OFFSET, | ||
1440 | NULL, NULL, &ipg_clk, &spba_clk); | ||
1441 | |||
1442 | #define _REGISTER_CLOCK(d, n, c) \ | ||
1443 | { \ | ||
1444 | .dev_id = d, \ | ||
1445 | .con_id = n, \ | ||
1446 | .clk = &c, \ | ||
1447 | }, | ||
1448 | |||
1449 | static struct clk_lookup mx51_lookups[] = { | ||
1450 | /* i.mx51 has the i.mx21 type uart */ | ||
1451 | _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk) | ||
1452 | _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk) | ||
1453 | _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk) | ||
1454 | _REGISTER_CLOCK(NULL, "gpt", gpt_clk) | ||
1455 | /* i.mx51 has the i.mx27 type fec */ | ||
1456 | _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk) | ||
1457 | _REGISTER_CLOCK("mxc_pwm.0", "pwm", pwm1_clk) | ||
1458 | _REGISTER_CLOCK("mxc_pwm.1", "pwm", pwm2_clk) | ||
1459 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) | ||
1460 | _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) | ||
1461 | _REGISTER_CLOCK("imx-i2c.2", NULL, hsi2c_clk) | ||
1462 | _REGISTER_CLOCK("mxc-ehci.0", "usb", usboh3_clk) | ||
1463 | _REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", usb_ahb_clk) | ||
1464 | _REGISTER_CLOCK("mxc-ehci.0", "usb_phy1", usb_phy1_clk) | ||
1465 | _REGISTER_CLOCK("mxc-ehci.1", "usb", usboh3_clk) | ||
1466 | _REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", usb_ahb_clk) | ||
1467 | _REGISTER_CLOCK("mxc-ehci.2", "usb", usboh3_clk) | ||
1468 | _REGISTER_CLOCK("mxc-ehci.2", "usb_ahb", usb_ahb_clk) | ||
1469 | _REGISTER_CLOCK("fsl-usb2-udc", "usb", usboh3_clk) | ||
1470 | _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", ahb_clk) | ||
1471 | _REGISTER_CLOCK("imx-keypad", NULL, dummy_clk) | ||
1472 | _REGISTER_CLOCK("mxc_nand", NULL, nfc_clk) | ||
1473 | _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) | ||
1474 | _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) | ||
1475 | _REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk) | ||
1476 | /* i.mx51 has the i.mx35 type sdma */ | ||
1477 | _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk) | ||
1478 | _REGISTER_CLOCK(NULL, "ckih", ckih_clk) | ||
1479 | _REGISTER_CLOCK(NULL, "ckih2", ckih2_clk) | ||
1480 | _REGISTER_CLOCK(NULL, "gpt_32k", gpt_32k_clk) | ||
1481 | _REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk) | ||
1482 | _REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk) | ||
1483 | /* i.mx51 has the i.mx35 type cspi */ | ||
1484 | _REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk) | ||
1485 | _REGISTER_CLOCK("sdhci-esdhc-imx51.0", NULL, esdhc1_clk) | ||
1486 | _REGISTER_CLOCK("sdhci-esdhc-imx51.1", NULL, esdhc2_clk) | ||
1487 | _REGISTER_CLOCK("sdhci-esdhc-imx51.2", NULL, esdhc3_clk) | ||
1488 | _REGISTER_CLOCK("sdhci-esdhc-imx51.3", NULL, esdhc4_clk) | ||
1489 | _REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk) | ||
1490 | _REGISTER_CLOCK(NULL, "iim_clk", iim_clk) | ||
1491 | _REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk) | ||
1492 | _REGISTER_CLOCK("imx2-wdt.1", NULL, dummy_clk) | ||
1493 | _REGISTER_CLOCK(NULL, "mipi_hsp", mipi_hsp_clk) | ||
1494 | _REGISTER_CLOCK("imx-ipuv3", NULL, ipu_clk) | ||
1495 | _REGISTER_CLOCK("imx-ipuv3", "di0", ipu_di0_clk) | ||
1496 | _REGISTER_CLOCK("imx-ipuv3", "di1", ipu_di1_clk) | ||
1497 | _REGISTER_CLOCK(NULL, "gpc_dvfs", gpc_dvfs_clk) | ||
1498 | _REGISTER_CLOCK("pata_imx", NULL, pata_clk) | ||
1499 | }; | ||
1500 | |||
1501 | static struct clk_lookup mx53_lookups[] = { | ||
1502 | /* i.mx53 has the i.mx21 type uart */ | ||
1503 | _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk) | ||
1504 | _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk) | ||
1505 | _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk) | ||
1506 | _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk) | ||
1507 | _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk) | ||
1508 | _REGISTER_CLOCK(NULL, "gpt", gpt_clk) | ||
1509 | /* i.mx53 has the i.mx25 type fec */ | ||
1510 | _REGISTER_CLOCK("imx25-fec.0", NULL, fec_clk) | ||
1511 | _REGISTER_CLOCK(NULL, "iim_clk", iim_clk) | ||
1512 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) | ||
1513 | _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) | ||
1514 | _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_mx53_clk) | ||
1515 | /* i.mx53 has the i.mx51 type ecspi */ | ||
1516 | _REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk) | ||
1517 | _REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk) | ||
1518 | /* i.mx53 has the i.mx25 type cspi */ | ||
1519 | _REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk) | ||
1520 | _REGISTER_CLOCK("sdhci-esdhc-imx53.0", NULL, esdhc1_clk) | ||
1521 | _REGISTER_CLOCK("sdhci-esdhc-imx53.1", NULL, esdhc2_mx53_clk) | ||
1522 | _REGISTER_CLOCK("sdhci-esdhc-imx53.2", NULL, esdhc3_mx53_clk) | ||
1523 | _REGISTER_CLOCK("sdhci-esdhc-imx53.3", NULL, esdhc4_mx53_clk) | ||
1524 | _REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk) | ||
1525 | _REGISTER_CLOCK("imx2-wdt.1", NULL, dummy_clk) | ||
1526 | /* i.mx53 has the i.mx35 type sdma */ | ||
1527 | _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk) | ||
1528 | _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) | ||
1529 | _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) | ||
1530 | _REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk) | ||
1531 | _REGISTER_CLOCK("imx-keypad", NULL, dummy_clk) | ||
1532 | _REGISTER_CLOCK("pata_imx", NULL, pata_clk) | ||
1533 | _REGISTER_CLOCK("imx53-ahci.0", "ahci", sata_clk) | ||
1534 | _REGISTER_CLOCK("imx53-ahci.0", "ahci_phy", ahci_phy_clk) | ||
1535 | _REGISTER_CLOCK("imx53-ahci.0", "ahci_dma", ahci_dma_clk) | ||
1536 | }; | ||
1537 | |||
1538 | static void clk_tree_init(void) | ||
1539 | { | ||
1540 | u32 reg; | ||
1541 | |||
1542 | ipg_perclk.set_parent(&ipg_perclk, &lp_apm_clk); | ||
1543 | |||
1544 | /* | ||
1545 | * Initialise the IPG PER CLK dividers to 3. IPG_PER_CLK should be at | ||
1546 | * 8MHz, its derived from lp_apm. | ||
1547 | * | ||
1548 | * FIXME: Verify if true for all boards | ||
1549 | */ | ||
1550 | reg = __raw_readl(MXC_CCM_CBCDR); | ||
1551 | reg &= ~MXC_CCM_CBCDR_PERCLK_PRED1_MASK; | ||
1552 | reg &= ~MXC_CCM_CBCDR_PERCLK_PRED2_MASK; | ||
1553 | reg &= ~MXC_CCM_CBCDR_PERCLK_PODF_MASK; | ||
1554 | reg |= (2 << MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET); | ||
1555 | __raw_writel(reg, MXC_CCM_CBCDR); | ||
1556 | } | ||
1557 | |||
1558 | int __init mx51_clocks_init(unsigned long ckil, unsigned long osc, | ||
1559 | unsigned long ckih1, unsigned long ckih2) | ||
1560 | { | ||
1561 | int i; | ||
1562 | |||
1563 | external_low_reference = ckil; | ||
1564 | external_high_reference = ckih1; | ||
1565 | ckih2_reference = ckih2; | ||
1566 | oscillator_reference = osc; | ||
1567 | |||
1568 | for (i = 0; i < ARRAY_SIZE(mx51_lookups); i++) | ||
1569 | clkdev_add(&mx51_lookups[i]); | ||
1570 | |||
1571 | clk_tree_init(); | ||
1572 | |||
1573 | clk_enable(&cpu_clk); | ||
1574 | clk_enable(&main_bus_clk); | ||
1575 | |||
1576 | clk_enable(&iim_clk); | ||
1577 | imx_print_silicon_rev("i.MX51", mx51_revision()); | ||
1578 | clk_disable(&iim_clk); | ||
1579 | |||
1580 | /* move usb_phy_clk to 24MHz */ | ||
1581 | clk_set_parent(&usb_phy1_clk, &osc_clk); | ||
1582 | |||
1583 | /* set the usboh3_clk parent to pll2_sw_clk */ | ||
1584 | clk_set_parent(&usboh3_clk, &pll2_sw_clk); | ||
1585 | |||
1586 | /* Set SDHC parents to be PLL2 */ | ||
1587 | clk_set_parent(&esdhc1_clk, &pll2_sw_clk); | ||
1588 | clk_set_parent(&esdhc2_clk, &pll2_sw_clk); | ||
1589 | |||
1590 | /* set SDHC root clock as 166.25MHZ*/ | ||
1591 | clk_set_rate(&esdhc1_clk, 166250000); | ||
1592 | clk_set_rate(&esdhc2_clk, 166250000); | ||
1593 | |||
1594 | /* System timer */ | ||
1595 | mxc_timer_init(&gpt_clk, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR), | ||
1596 | MX51_INT_GPT); | ||
1597 | return 0; | ||
1598 | } | ||
1599 | |||
1600 | int __init mx53_clocks_init(unsigned long ckil, unsigned long osc, | ||
1601 | unsigned long ckih1, unsigned long ckih2) | ||
1602 | { | ||
1603 | int i; | ||
1604 | |||
1605 | external_low_reference = ckil; | ||
1606 | external_high_reference = ckih1; | ||
1607 | ckih2_reference = ckih2; | ||
1608 | oscillator_reference = osc; | ||
1609 | |||
1610 | for (i = 0; i < ARRAY_SIZE(mx53_lookups); i++) | ||
1611 | clkdev_add(&mx53_lookups[i]); | ||
1612 | |||
1613 | clk_tree_init(); | ||
1614 | |||
1615 | clk_set_parent(&uart_root_clk, &pll3_sw_clk); | ||
1616 | clk_enable(&cpu_clk); | ||
1617 | clk_enable(&main_bus_clk); | ||
1618 | |||
1619 | clk_enable(&iim_clk); | ||
1620 | imx_print_silicon_rev("i.MX53", mx53_revision()); | ||
1621 | clk_disable(&iim_clk); | ||
1622 | |||
1623 | /* Set SDHC parents to be PLL2 */ | ||
1624 | clk_set_parent(&esdhc1_clk, &pll2_sw_clk); | ||
1625 | clk_set_parent(&esdhc3_mx53_clk, &pll2_sw_clk); | ||
1626 | |||
1627 | /* set SDHC root clock as 200MHZ*/ | ||
1628 | clk_set_rate(&esdhc1_clk, 200000000); | ||
1629 | clk_set_rate(&esdhc3_mx53_clk, 200000000); | ||
1630 | |||
1631 | /* System timer */ | ||
1632 | mxc_timer_init(&gpt_clk, MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR), | ||
1633 | MX53_INT_GPT); | ||
1634 | return 0; | ||
1635 | } | ||
1636 | |||
1637 | #ifdef CONFIG_OF | ||
1638 | static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc, | ||
1639 | unsigned long *ckih1, unsigned long *ckih2) | ||
1640 | { | ||
1641 | struct device_node *np; | ||
1642 | |||
1643 | /* retrieve the freqency of fixed clocks from device tree */ | ||
1644 | for_each_compatible_node(np, NULL, "fixed-clock") { | ||
1645 | u32 rate; | ||
1646 | if (of_property_read_u32(np, "clock-frequency", &rate)) | ||
1647 | continue; | ||
1648 | |||
1649 | if (of_device_is_compatible(np, "fsl,imx-ckil")) | ||
1650 | *ckil = rate; | ||
1651 | else if (of_device_is_compatible(np, "fsl,imx-osc")) | ||
1652 | *osc = rate; | ||
1653 | else if (of_device_is_compatible(np, "fsl,imx-ckih1")) | ||
1654 | *ckih1 = rate; | ||
1655 | else if (of_device_is_compatible(np, "fsl,imx-ckih2")) | ||
1656 | *ckih2 = rate; | ||
1657 | } | ||
1658 | } | ||
1659 | |||
1660 | int __init mx51_clocks_init_dt(void) | ||
1661 | { | ||
1662 | unsigned long ckil, osc, ckih1, ckih2; | ||
1663 | |||
1664 | clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); | ||
1665 | return mx51_clocks_init(ckil, osc, ckih1, ckih2); | ||
1666 | } | ||
1667 | |||
1668 | int __init mx53_clocks_init_dt(void) | ||
1669 | { | ||
1670 | unsigned long ckil, osc, ckih1, ckih2; | ||
1671 | |||
1672 | clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); | ||
1673 | return mx53_clocks_init(ckil, osc, ckih1, ckih2); | ||
1674 | } | ||
1675 | #endif | ||
diff --git a/arch/arm/mach-imx/crmregs-imx3.h b/arch/arm/mach-imx/crmregs-imx3.h index 53141273df45..a1dfde53e335 100644 --- a/arch/arm/mach-imx/crmregs-imx3.h +++ b/arch/arm/mach-imx/crmregs-imx3.h | |||
@@ -24,48 +24,47 @@ | |||
24 | #define CKIH_CLK_FREQ_27MHZ 27000000 | 24 | #define CKIH_CLK_FREQ_27MHZ 27000000 |
25 | #define CKIL_CLK_FREQ 32768 | 25 | #define CKIL_CLK_FREQ 32768 |
26 | 26 | ||
27 | #define MXC_CCM_BASE (cpu_is_mx31() ? \ | 27 | extern void __iomem *mx3_ccm_base; |
28 | MX31_IO_ADDRESS(MX31_CCM_BASE_ADDR) : MX35_IO_ADDRESS(MX35_CCM_BASE_ADDR)) | ||
29 | 28 | ||
30 | /* Register addresses */ | 29 | /* Register addresses */ |
31 | #define MXC_CCM_CCMR (MXC_CCM_BASE + 0x00) | 30 | #define MXC_CCM_CCMR 0x00 |
32 | #define MXC_CCM_PDR0 (MXC_CCM_BASE + 0x04) | 31 | #define MXC_CCM_PDR0 0x04 |
33 | #define MXC_CCM_PDR1 (MXC_CCM_BASE + 0x08) | 32 | #define MXC_CCM_PDR1 0x08 |
34 | #define MX35_CCM_PDR2 (MXC_CCM_BASE + 0x0C) | 33 | #define MX35_CCM_PDR2 0x0C |
35 | #define MXC_CCM_RCSR (MXC_CCM_BASE + 0x0C) | 34 | #define MXC_CCM_RCSR 0x0C |
36 | #define MX35_CCM_PDR3 (MXC_CCM_BASE + 0x10) | 35 | #define MX35_CCM_PDR3 0x10 |
37 | #define MXC_CCM_MPCTL (MXC_CCM_BASE + 0x10) | 36 | #define MXC_CCM_MPCTL 0x10 |
38 | #define MX35_CCM_PDR4 (MXC_CCM_BASE + 0x14) | 37 | #define MX35_CCM_PDR4 0x14 |
39 | #define MXC_CCM_UPCTL (MXC_CCM_BASE + 0x14) | 38 | #define MXC_CCM_UPCTL 0x14 |
40 | #define MX35_CCM_RCSR (MXC_CCM_BASE + 0x18) | 39 | #define MX35_CCM_RCSR 0x18 |
41 | #define MXC_CCM_SRPCTL (MXC_CCM_BASE + 0x18) | 40 | #define MXC_CCM_SRPCTL 0x18 |
42 | #define MX35_CCM_MPCTL (MXC_CCM_BASE + 0x1C) | 41 | #define MX35_CCM_MPCTL 0x1C |
43 | #define MXC_CCM_COSR (MXC_CCM_BASE + 0x1C) | 42 | #define MXC_CCM_COSR 0x1C |
44 | #define MX35_CCM_PPCTL (MXC_CCM_BASE + 0x20) | 43 | #define MX35_CCM_PPCTL 0x20 |
45 | #define MXC_CCM_CGR0 (MXC_CCM_BASE + 0x20) | 44 | #define MXC_CCM_CGR0 0x20 |
46 | #define MX35_CCM_ACMR (MXC_CCM_BASE + 0x24) | 45 | #define MX35_CCM_ACMR 0x24 |
47 | #define MXC_CCM_CGR1 (MXC_CCM_BASE + 0x24) | 46 | #define MXC_CCM_CGR1 0x24 |
48 | #define MX35_CCM_COSR (MXC_CCM_BASE + 0x28) | 47 | #define MX35_CCM_COSR 0x28 |
49 | #define MXC_CCM_CGR2 (MXC_CCM_BASE + 0x28) | 48 | #define MXC_CCM_CGR2 0x28 |
50 | #define MX35_CCM_CGR0 (MXC_CCM_BASE + 0x2C) | 49 | #define MX35_CCM_CGR0 0x2C |
51 | #define MXC_CCM_WIMR (MXC_CCM_BASE + 0x2C) | 50 | #define MXC_CCM_WIMR 0x2C |
52 | #define MX35_CCM_CGR1 (MXC_CCM_BASE + 0x30) | 51 | #define MX35_CCM_CGR1 0x30 |
53 | #define MXC_CCM_LDC (MXC_CCM_BASE + 0x30) | 52 | #define MXC_CCM_LDC 0x30 |
54 | #define MX35_CCM_CGR2 (MXC_CCM_BASE + 0x34) | 53 | #define MX35_CCM_CGR2 0x34 |
55 | #define MXC_CCM_DCVR0 (MXC_CCM_BASE + 0x34) | 54 | #define MXC_CCM_DCVR0 0x34 |
56 | #define MX35_CCM_CGR3 (MXC_CCM_BASE + 0x38) | 55 | #define MX35_CCM_CGR3 0x38 |
57 | #define MXC_CCM_DCVR1 (MXC_CCM_BASE + 0x38) | 56 | #define MXC_CCM_DCVR1 0x38 |
58 | #define MXC_CCM_DCVR2 (MXC_CCM_BASE + 0x3C) | 57 | #define MXC_CCM_DCVR2 0x3C |
59 | #define MXC_CCM_DCVR3 (MXC_CCM_BASE + 0x40) | 58 | #define MXC_CCM_DCVR3 0x40 |
60 | #define MXC_CCM_LTR0 (MXC_CCM_BASE + 0x44) | 59 | #define MXC_CCM_LTR0 0x44 |
61 | #define MXC_CCM_LTR1 (MXC_CCM_BASE + 0x48) | 60 | #define MXC_CCM_LTR1 0x48 |
62 | #define MXC_CCM_LTR2 (MXC_CCM_BASE + 0x4C) | 61 | #define MXC_CCM_LTR2 0x4C |
63 | #define MXC_CCM_LTR3 (MXC_CCM_BASE + 0x50) | 62 | #define MXC_CCM_LTR3 0x50 |
64 | #define MXC_CCM_LTBR0 (MXC_CCM_BASE + 0x54) | 63 | #define MXC_CCM_LTBR0 0x54 |
65 | #define MXC_CCM_LTBR1 (MXC_CCM_BASE + 0x58) | 64 | #define MXC_CCM_LTBR1 0x58 |
66 | #define MXC_CCM_PMCR0 (MXC_CCM_BASE + 0x5C) | 65 | #define MXC_CCM_PMCR0 0x5C |
67 | #define MXC_CCM_PMCR1 (MXC_CCM_BASE + 0x60) | 66 | #define MXC_CCM_PMCR1 0x60 |
68 | #define MXC_CCM_PDR2 (MXC_CCM_BASE + 0x64) | 67 | #define MXC_CCM_PDR2 0x64 |
69 | 68 | ||
70 | /* Register bit definitions */ | 69 | /* Register bit definitions */ |
71 | #define MXC_CCM_CCMR_WBEN (1 << 27) | 70 | #define MXC_CCM_CCMR_WBEN (1 << 27) |
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c index 9128d15b1eb7..967ed5b35a45 100644 --- a/arch/arm/mach-imx/mm-imx3.c +++ b/arch/arm/mach-imx/mm-imx3.c | |||
@@ -32,6 +32,10 @@ | |||
32 | #include <mach/iomux-v3.h> | 32 | #include <mach/iomux-v3.h> |
33 | #include <mach/irqs.h> | 33 | #include <mach/irqs.h> |
34 | 34 | ||
35 | #include "crmregs-imx3.h" | ||
36 | |||
37 | void __iomem *mx3_ccm_base; | ||
38 | |||
35 | static void imx3_idle(void) | 39 | static void imx3_idle(void) |
36 | { | 40 | { |
37 | unsigned long reg = 0; | 41 | unsigned long reg = 0; |
@@ -138,6 +142,7 @@ void __init imx31_init_early(void) | |||
138 | mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); | 142 | mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); |
139 | arch_ioremap_caller = imx3_ioremap_caller; | 143 | arch_ioremap_caller = imx3_ioremap_caller; |
140 | arm_pm_idle = imx3_idle; | 144 | arm_pm_idle = imx3_idle; |
145 | mx3_ccm_base = MX31_IO_ADDRESS(MX31_CCM_BASE_ADDR); | ||
141 | } | 146 | } |
142 | 147 | ||
143 | void __init mx31_init_irq(void) | 148 | void __init mx31_init_irq(void) |
@@ -211,6 +216,7 @@ void __init imx35_init_early(void) | |||
211 | mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR)); | 216 | mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR)); |
212 | arm_pm_idle = imx3_idle; | 217 | arm_pm_idle = imx3_idle; |
213 | arch_ioremap_caller = imx3_ioremap_caller; | 218 | arch_ioremap_caller = imx3_ioremap_caller; |
219 | mx3_ccm_base = MX35_IO_ADDRESS(MX35_CCM_BASE_ADDR); | ||
214 | } | 220 | } |
215 | 221 | ||
216 | void __init mx35_init_irq(void) | 222 | void __init mx35_init_irq(void) |
diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c index ba91e6b31cf4..8b4dc20c7c53 100644 --- a/arch/arm/mach-imx/mm-imx5.c +++ b/arch/arm/mach-imx/mm-imx5.c | |||
@@ -33,6 +33,7 @@ static void imx5_idle(void) | |||
33 | gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs"); | 33 | gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs"); |
34 | if (IS_ERR(gpc_dvfs_clk)) | 34 | if (IS_ERR(gpc_dvfs_clk)) |
35 | return; | 35 | return; |
36 | clk_prepare(gpc_dvfs_clk); | ||
36 | } | 37 | } |
37 | clk_enable(gpc_dvfs_clk); | 38 | clk_enable(gpc_dvfs_clk); |
38 | mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); | 39 | mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); |
diff --git a/arch/arm/mach-imx/pm-imx3.c b/arch/arm/mach-imx/pm-imx3.c index b3752439632e..822103bdb709 100644 --- a/arch/arm/mach-imx/pm-imx3.c +++ b/arch/arm/mach-imx/pm-imx3.c | |||
@@ -21,14 +21,14 @@ | |||
21 | */ | 21 | */ |
22 | void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode) | 22 | void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode) |
23 | { | 23 | { |
24 | int reg = __raw_readl(MXC_CCM_CCMR); | 24 | int reg = __raw_readl(mx3_ccm_base + MXC_CCM_CCMR); |
25 | reg &= ~MXC_CCM_CCMR_LPM_MASK; | 25 | reg &= ~MXC_CCM_CCMR_LPM_MASK; |
26 | 26 | ||
27 | switch (mode) { | 27 | switch (mode) { |
28 | case MX3_WAIT: | 28 | case MX3_WAIT: |
29 | if (cpu_is_mx35()) | 29 | if (cpu_is_mx35()) |
30 | reg |= MXC_CCM_CCMR_LPM_WAIT_MX35; | 30 | reg |= MXC_CCM_CCMR_LPM_WAIT_MX35; |
31 | __raw_writel(reg, MXC_CCM_CCMR); | 31 | __raw_writel(reg, mx3_ccm_base + MXC_CCM_CCMR); |
32 | break; | 32 | break; |
33 | default: | 33 | default: |
34 | pr_err("Unknown cpu power mode: %d\n", mode); | 34 | pr_err("Unknown cpu power mode: %d\n", mode); |
diff --git a/arch/arm/mach-kirkwood/board-dreamplug.c b/arch/arm/mach-kirkwood/board-dreamplug.c index 985453994dd3..55e357ab2923 100644 --- a/arch/arm/mach-kirkwood/board-dreamplug.c +++ b/arch/arm/mach-kirkwood/board-dreamplug.c | |||
@@ -27,7 +27,6 @@ | |||
27 | #include <linux/mtd/physmap.h> | 27 | #include <linux/mtd/physmap.h> |
28 | #include <linux/spi/flash.h> | 28 | #include <linux/spi/flash.h> |
29 | #include <linux/spi/spi.h> | 29 | #include <linux/spi/spi.h> |
30 | #include <linux/spi/orion_spi.h> | ||
31 | #include <asm/mach-types.h> | 30 | #include <asm/mach-types.h> |
32 | #include <asm/mach/arch.h> | 31 | #include <asm/mach/arch.h> |
33 | #include <asm/mach/map.h> | 32 | #include <asm/mach/map.h> |
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index 10d1969b9e3a..edc3f8a9d45e 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c | |||
@@ -43,6 +43,9 @@ static void __init kirkwood_dt_init(void) | |||
43 | kirkwood_l2_init(); | 43 | kirkwood_l2_init(); |
44 | #endif | 44 | #endif |
45 | 45 | ||
46 | /* Setup root of clk tree */ | ||
47 | kirkwood_clk_init(); | ||
48 | |||
46 | /* internal devices that every board has */ | 49 | /* internal devices that every board has */ |
47 | kirkwood_wdt_init(); | 50 | kirkwood_wdt_init(); |
48 | kirkwood_xor0_init(); | 51 | kirkwood_xor0_init(); |
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 3ad037385a5e..25fb3fd418ef 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c | |||
@@ -15,7 +15,8 @@ | |||
15 | #include <linux/ata_platform.h> | 15 | #include <linux/ata_platform.h> |
16 | #include <linux/mtd/nand.h> | 16 | #include <linux/mtd/nand.h> |
17 | #include <linux/dma-mapping.h> | 17 | #include <linux/dma-mapping.h> |
18 | #include <linux/of.h> | 18 | #include <linux/clk-provider.h> |
19 | #include <linux/spinlock.h> | ||
19 | #include <net/dsa.h> | 20 | #include <net/dsa.h> |
20 | #include <asm/page.h> | 21 | #include <asm/page.h> |
21 | #include <asm/timex.h> | 22 | #include <asm/timex.h> |
@@ -32,6 +33,7 @@ | |||
32 | #include <plat/common.h> | 33 | #include <plat/common.h> |
33 | #include <plat/time.h> | 34 | #include <plat/time.h> |
34 | #include <plat/addr-map.h> | 35 | #include <plat/addr-map.h> |
36 | #include <plat/mv_xor.h> | ||
35 | #include "common.h" | 37 | #include "common.h" |
36 | 38 | ||
37 | /***************************************************************************** | 39 | /***************************************************************************** |
@@ -61,20 +63,188 @@ void __init kirkwood_map_io(void) | |||
61 | iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc)); | 63 | iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc)); |
62 | } | 64 | } |
63 | 65 | ||
64 | /* | 66 | /***************************************************************************** |
65 | * Default clock control bits. Any bit _not_ set in this variable | 67 | * CLK tree |
66 | * will be cleared from the hardware after platform devices have been | 68 | ****************************************************************************/ |
67 | * registered. Some reserved bits must be set to 1. | 69 | |
68 | */ | 70 | static void disable_sata0(void) |
69 | unsigned int kirkwood_clk_ctrl = CGC_DUNIT | CGC_RESERVED; | 71 | { |
72 | /* Disable PLL and IVREF */ | ||
73 | writel(readl(SATA0_PHY_MODE_2) & ~0xf, SATA0_PHY_MODE_2); | ||
74 | /* Disable PHY */ | ||
75 | writel(readl(SATA0_IF_CTRL) | 0x200, SATA0_IF_CTRL); | ||
76 | } | ||
77 | |||
78 | static void disable_sata1(void) | ||
79 | { | ||
80 | /* Disable PLL and IVREF */ | ||
81 | writel(readl(SATA1_PHY_MODE_2) & ~0xf, SATA1_PHY_MODE_2); | ||
82 | /* Disable PHY */ | ||
83 | writel(readl(SATA1_IF_CTRL) | 0x200, SATA1_IF_CTRL); | ||
84 | } | ||
85 | |||
86 | static void disable_pcie0(void) | ||
87 | { | ||
88 | writel(readl(PCIE_LINK_CTRL) | 0x10, PCIE_LINK_CTRL); | ||
89 | while (1) | ||
90 | if (readl(PCIE_STATUS) & 0x1) | ||
91 | break; | ||
92 | writel(readl(PCIE_LINK_CTRL) & ~0x10, PCIE_LINK_CTRL); | ||
93 | } | ||
94 | |||
95 | static void disable_pcie1(void) | ||
96 | { | ||
97 | u32 dev, rev; | ||
98 | |||
99 | kirkwood_pcie_id(&dev, &rev); | ||
100 | |||
101 | if (dev == MV88F6282_DEV_ID) { | ||
102 | writel(readl(PCIE1_LINK_CTRL) | 0x10, PCIE1_LINK_CTRL); | ||
103 | while (1) | ||
104 | if (readl(PCIE1_STATUS) & 0x1) | ||
105 | break; | ||
106 | writel(readl(PCIE1_LINK_CTRL) & ~0x10, PCIE1_LINK_CTRL); | ||
107 | } | ||
108 | } | ||
109 | |||
110 | /* An extended version of the gated clk. This calls fn() before | ||
111 | * disabling the clock. We use this to turn off PHYs etc. */ | ||
112 | struct clk_gate_fn { | ||
113 | struct clk_gate gate; | ||
114 | void (*fn)(void); | ||
115 | }; | ||
116 | |||
117 | #define to_clk_gate_fn(_gate) container_of(_gate, struct clk_gate_fn, gate) | ||
118 | #define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw) | ||
119 | |||
120 | static void clk_gate_fn_disable(struct clk_hw *hw) | ||
121 | { | ||
122 | struct clk_gate *gate = to_clk_gate(hw); | ||
123 | struct clk_gate_fn *gate_fn = to_clk_gate_fn(gate); | ||
124 | |||
125 | if (gate_fn->fn) | ||
126 | gate_fn->fn(); | ||
127 | |||
128 | clk_gate_ops.disable(hw); | ||
129 | } | ||
130 | |||
131 | static struct clk_ops clk_gate_fn_ops; | ||
132 | |||
133 | static struct clk __init *clk_register_gate_fn(struct device *dev, | ||
134 | const char *name, | ||
135 | const char *parent_name, unsigned long flags, | ||
136 | void __iomem *reg, u8 bit_idx, | ||
137 | u8 clk_gate_flags, spinlock_t *lock, | ||
138 | void (*fn)(void)) | ||
139 | { | ||
140 | struct clk_gate_fn *gate_fn; | ||
141 | struct clk *clk; | ||
142 | struct clk_init_data init; | ||
143 | |||
144 | gate_fn = kzalloc(sizeof(struct clk_gate_fn), GFP_KERNEL); | ||
145 | if (!gate_fn) { | ||
146 | pr_err("%s: could not allocate gated clk\n", __func__); | ||
147 | return ERR_PTR(-ENOMEM); | ||
148 | } | ||
149 | |||
150 | init.name = name; | ||
151 | init.ops = &clk_gate_fn_ops; | ||
152 | init.flags = flags; | ||
153 | init.parent_names = (parent_name ? &parent_name : NULL); | ||
154 | init.num_parents = (parent_name ? 1 : 0); | ||
155 | |||
156 | /* struct clk_gate assignments */ | ||
157 | gate_fn->gate.reg = reg; | ||
158 | gate_fn->gate.bit_idx = bit_idx; | ||
159 | gate_fn->gate.flags = clk_gate_flags; | ||
160 | gate_fn->gate.lock = lock; | ||
161 | gate_fn->gate.hw.init = &init; | ||
162 | |||
163 | /* ops is the gate ops, but with our disable function */ | ||
164 | if (clk_gate_fn_ops.disable != clk_gate_fn_disable) { | ||
165 | clk_gate_fn_ops = clk_gate_ops; | ||
166 | clk_gate_fn_ops.disable = clk_gate_fn_disable; | ||
167 | } | ||
70 | 168 | ||
169 | clk = clk_register(dev, &gate_fn->gate.hw); | ||
170 | |||
171 | if (IS_ERR(clk)) | ||
172 | kfree(gate_fn); | ||
173 | |||
174 | return clk; | ||
175 | } | ||
176 | |||
177 | static DEFINE_SPINLOCK(gating_lock); | ||
178 | static struct clk *tclk; | ||
179 | |||
180 | static struct clk __init *kirkwood_register_gate(const char *name, u8 bit_idx) | ||
181 | { | ||
182 | return clk_register_gate(NULL, name, "tclk", 0, | ||
183 | (void __iomem *)CLOCK_GATING_CTRL, | ||
184 | bit_idx, 0, &gating_lock); | ||
185 | } | ||
186 | |||
187 | static struct clk __init *kirkwood_register_gate_fn(const char *name, | ||
188 | u8 bit_idx, | ||
189 | void (*fn)(void)) | ||
190 | { | ||
191 | return clk_register_gate_fn(NULL, name, "tclk", 0, | ||
192 | (void __iomem *)CLOCK_GATING_CTRL, | ||
193 | bit_idx, 0, &gating_lock, fn); | ||
194 | } | ||
195 | |||
196 | void __init kirkwood_clk_init(void) | ||
197 | { | ||
198 | struct clk *runit, *ge0, *ge1, *sata0, *sata1, *usb0, *sdio; | ||
199 | struct clk *crypto, *xor0, *xor1, *pex0, *pex1, *audio; | ||
200 | |||
201 | tclk = clk_register_fixed_rate(NULL, "tclk", NULL, | ||
202 | CLK_IS_ROOT, kirkwood_tclk); | ||
203 | |||
204 | runit = kirkwood_register_gate("runit", CGC_BIT_RUNIT); | ||
205 | ge0 = kirkwood_register_gate("ge0", CGC_BIT_GE0); | ||
206 | ge1 = kirkwood_register_gate("ge1", CGC_BIT_GE1); | ||
207 | sata0 = kirkwood_register_gate_fn("sata0", CGC_BIT_SATA0, | ||
208 | disable_sata0); | ||
209 | sata1 = kirkwood_register_gate_fn("sata1", CGC_BIT_SATA1, | ||
210 | disable_sata1); | ||
211 | usb0 = kirkwood_register_gate("usb0", CGC_BIT_USB0); | ||
212 | sdio = kirkwood_register_gate("sdio", CGC_BIT_SDIO); | ||
213 | crypto = kirkwood_register_gate("crypto", CGC_BIT_CRYPTO); | ||
214 | xor0 = kirkwood_register_gate("xor0", CGC_BIT_XOR0); | ||
215 | xor1 = kirkwood_register_gate("xor1", CGC_BIT_XOR1); | ||
216 | pex0 = kirkwood_register_gate_fn("pex0", CGC_BIT_PEX0, | ||
217 | disable_pcie0); | ||
218 | pex1 = kirkwood_register_gate_fn("pex1", CGC_BIT_PEX1, | ||
219 | disable_pcie1); | ||
220 | audio = kirkwood_register_gate("audio", CGC_BIT_AUDIO); | ||
221 | kirkwood_register_gate("tdm", CGC_BIT_TDM); | ||
222 | kirkwood_register_gate("tsu", CGC_BIT_TSU); | ||
223 | |||
224 | /* clkdev entries, mapping clks to devices */ | ||
225 | orion_clkdev_add(NULL, "orion_spi.0", runit); | ||
226 | orion_clkdev_add(NULL, "orion_spi.1", runit); | ||
227 | orion_clkdev_add(NULL, MV643XX_ETH_NAME ".0", ge0); | ||
228 | orion_clkdev_add(NULL, MV643XX_ETH_NAME ".1", ge1); | ||
229 | orion_clkdev_add(NULL, "orion_wdt", tclk); | ||
230 | orion_clkdev_add("0", "sata_mv.0", sata0); | ||
231 | orion_clkdev_add("1", "sata_mv.0", sata1); | ||
232 | orion_clkdev_add(NULL, "orion-ehci.0", usb0); | ||
233 | orion_clkdev_add(NULL, "orion_nand", runit); | ||
234 | orion_clkdev_add(NULL, "mvsdio", sdio); | ||
235 | orion_clkdev_add(NULL, "mv_crypto", crypto); | ||
236 | orion_clkdev_add(NULL, MV_XOR_SHARED_NAME ".0", xor0); | ||
237 | orion_clkdev_add(NULL, MV_XOR_SHARED_NAME ".1", xor1); | ||
238 | orion_clkdev_add("0", "pcie", pex0); | ||
239 | orion_clkdev_add("1", "pcie", pex1); | ||
240 | orion_clkdev_add(NULL, "kirkwood-i2s", audio); | ||
241 | } | ||
71 | 242 | ||
72 | /***************************************************************************** | 243 | /***************************************************************************** |
73 | * EHCI0 | 244 | * EHCI0 |
74 | ****************************************************************************/ | 245 | ****************************************************************************/ |
75 | void __init kirkwood_ehci_init(void) | 246 | void __init kirkwood_ehci_init(void) |
76 | { | 247 | { |
77 | kirkwood_clk_ctrl |= CGC_USB0; | ||
78 | orion_ehci_init(USB_PHYS_BASE, IRQ_KIRKWOOD_USB, EHCI_PHY_NA); | 248 | orion_ehci_init(USB_PHYS_BASE, IRQ_KIRKWOOD_USB, EHCI_PHY_NA); |
79 | } | 249 | } |
80 | 250 | ||
@@ -84,11 +254,9 @@ void __init kirkwood_ehci_init(void) | |||
84 | ****************************************************************************/ | 254 | ****************************************************************************/ |
85 | void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) | 255 | void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) |
86 | { | 256 | { |
87 | kirkwood_clk_ctrl |= CGC_GE0; | ||
88 | |||
89 | orion_ge00_init(eth_data, | 257 | orion_ge00_init(eth_data, |
90 | GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM, | 258 | GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM, |
91 | IRQ_KIRKWOOD_GE00_ERR, kirkwood_tclk); | 259 | IRQ_KIRKWOOD_GE00_ERR); |
92 | } | 260 | } |
93 | 261 | ||
94 | 262 | ||
@@ -97,12 +265,9 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) | |||
97 | ****************************************************************************/ | 265 | ****************************************************************************/ |
98 | void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data) | 266 | void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data) |
99 | { | 267 | { |
100 | |||
101 | kirkwood_clk_ctrl |= CGC_GE1; | ||
102 | |||
103 | orion_ge01_init(eth_data, | 268 | orion_ge01_init(eth_data, |
104 | GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM, | 269 | GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM, |
105 | IRQ_KIRKWOOD_GE01_ERR, kirkwood_tclk); | 270 | IRQ_KIRKWOOD_GE01_ERR); |
106 | } | 271 | } |
107 | 272 | ||
108 | 273 | ||
@@ -144,7 +309,6 @@ static struct platform_device kirkwood_nand_flash = { | |||
144 | void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, | 309 | void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, |
145 | int chip_delay) | 310 | int chip_delay) |
146 | { | 311 | { |
147 | kirkwood_clk_ctrl |= CGC_RUNIT; | ||
148 | kirkwood_nand_data.parts = parts; | 312 | kirkwood_nand_data.parts = parts; |
149 | kirkwood_nand_data.nr_parts = nr_parts; | 313 | kirkwood_nand_data.nr_parts = nr_parts; |
150 | kirkwood_nand_data.chip_delay = chip_delay; | 314 | kirkwood_nand_data.chip_delay = chip_delay; |
@@ -154,7 +318,6 @@ void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, | |||
154 | void __init kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, | 318 | void __init kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, |
155 | int (*dev_ready)(struct mtd_info *)) | 319 | int (*dev_ready)(struct mtd_info *)) |
156 | { | 320 | { |
157 | kirkwood_clk_ctrl |= CGC_RUNIT; | ||
158 | kirkwood_nand_data.parts = parts; | 321 | kirkwood_nand_data.parts = parts; |
159 | kirkwood_nand_data.nr_parts = nr_parts; | 322 | kirkwood_nand_data.nr_parts = nr_parts; |
160 | kirkwood_nand_data.dev_ready = dev_ready; | 323 | kirkwood_nand_data.dev_ready = dev_ready; |
@@ -175,10 +338,6 @@ static void __init kirkwood_rtc_init(void) | |||
175 | ****************************************************************************/ | 338 | ****************************************************************************/ |
176 | void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data) | 339 | void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data) |
177 | { | 340 | { |
178 | kirkwood_clk_ctrl |= CGC_SATA0; | ||
179 | if (sata_data->n_ports > 1) | ||
180 | kirkwood_clk_ctrl |= CGC_SATA1; | ||
181 | |||
182 | orion_sata_init(sata_data, SATA_PHYS_BASE, IRQ_KIRKWOOD_SATA); | 341 | orion_sata_init(sata_data, SATA_PHYS_BASE, IRQ_KIRKWOOD_SATA); |
183 | } | 342 | } |
184 | 343 | ||
@@ -221,7 +380,6 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data) | |||
221 | mvsdio_data->clock = 100000000; | 380 | mvsdio_data->clock = 100000000; |
222 | else | 381 | else |
223 | mvsdio_data->clock = 200000000; | 382 | mvsdio_data->clock = 200000000; |
224 | kirkwood_clk_ctrl |= CGC_SDIO; | ||
225 | kirkwood_sdio.dev.platform_data = mvsdio_data; | 383 | kirkwood_sdio.dev.platform_data = mvsdio_data; |
226 | platform_device_register(&kirkwood_sdio); | 384 | platform_device_register(&kirkwood_sdio); |
227 | } | 385 | } |
@@ -232,8 +390,7 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data) | |||
232 | ****************************************************************************/ | 390 | ****************************************************************************/ |
233 | void __init kirkwood_spi_init() | 391 | void __init kirkwood_spi_init() |
234 | { | 392 | { |
235 | kirkwood_clk_ctrl |= CGC_RUNIT; | 393 | orion_spi_init(SPI_PHYS_BASE); |
236 | orion_spi_init(SPI_PHYS_BASE, kirkwood_tclk); | ||
237 | } | 394 | } |
238 | 395 | ||
239 | 396 | ||
@@ -253,7 +410,7 @@ void __init kirkwood_i2c_init(void) | |||
253 | void __init kirkwood_uart0_init(void) | 410 | void __init kirkwood_uart0_init(void) |
254 | { | 411 | { |
255 | orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, | 412 | orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, |
256 | IRQ_KIRKWOOD_UART_0, kirkwood_tclk); | 413 | IRQ_KIRKWOOD_UART_0, tclk); |
257 | } | 414 | } |
258 | 415 | ||
259 | 416 | ||
@@ -263,7 +420,7 @@ void __init kirkwood_uart0_init(void) | |||
263 | void __init kirkwood_uart1_init(void) | 420 | void __init kirkwood_uart1_init(void) |
264 | { | 421 | { |
265 | orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, | 422 | orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, |
266 | IRQ_KIRKWOOD_UART_1, kirkwood_tclk); | 423 | IRQ_KIRKWOOD_UART_1, tclk); |
267 | } | 424 | } |
268 | 425 | ||
269 | /***************************************************************************** | 426 | /***************************************************************************** |
@@ -271,7 +428,6 @@ void __init kirkwood_uart1_init(void) | |||
271 | ****************************************************************************/ | 428 | ****************************************************************************/ |
272 | void __init kirkwood_crypto_init(void) | 429 | void __init kirkwood_crypto_init(void) |
273 | { | 430 | { |
274 | kirkwood_clk_ctrl |= CGC_CRYPTO; | ||
275 | orion_crypto_init(CRYPTO_PHYS_BASE, KIRKWOOD_SRAM_PHYS_BASE, | 431 | orion_crypto_init(CRYPTO_PHYS_BASE, KIRKWOOD_SRAM_PHYS_BASE, |
276 | KIRKWOOD_SRAM_SIZE, IRQ_KIRKWOOD_CRYPTO); | 432 | KIRKWOOD_SRAM_SIZE, IRQ_KIRKWOOD_CRYPTO); |
277 | } | 433 | } |
@@ -282,8 +438,6 @@ void __init kirkwood_crypto_init(void) | |||
282 | ****************************************************************************/ | 438 | ****************************************************************************/ |
283 | void __init kirkwood_xor0_init(void) | 439 | void __init kirkwood_xor0_init(void) |
284 | { | 440 | { |
285 | kirkwood_clk_ctrl |= CGC_XOR0; | ||
286 | |||
287 | orion_xor0_init(XOR0_PHYS_BASE, XOR0_HIGH_PHYS_BASE, | 441 | orion_xor0_init(XOR0_PHYS_BASE, XOR0_HIGH_PHYS_BASE, |
288 | IRQ_KIRKWOOD_XOR_00, IRQ_KIRKWOOD_XOR_01); | 442 | IRQ_KIRKWOOD_XOR_00, IRQ_KIRKWOOD_XOR_01); |
289 | } | 443 | } |
@@ -294,8 +448,6 @@ void __init kirkwood_xor0_init(void) | |||
294 | ****************************************************************************/ | 448 | ****************************************************************************/ |
295 | void __init kirkwood_xor1_init(void) | 449 | void __init kirkwood_xor1_init(void) |
296 | { | 450 | { |
297 | kirkwood_clk_ctrl |= CGC_XOR1; | ||
298 | |||
299 | orion_xor1_init(XOR1_PHYS_BASE, XOR1_HIGH_PHYS_BASE, | 451 | orion_xor1_init(XOR1_PHYS_BASE, XOR1_HIGH_PHYS_BASE, |
300 | IRQ_KIRKWOOD_XOR_10, IRQ_KIRKWOOD_XOR_11); | 452 | IRQ_KIRKWOOD_XOR_10, IRQ_KIRKWOOD_XOR_11); |
301 | } | 453 | } |
@@ -306,7 +458,7 @@ void __init kirkwood_xor1_init(void) | |||
306 | ****************************************************************************/ | 458 | ****************************************************************************/ |
307 | void __init kirkwood_wdt_init(void) | 459 | void __init kirkwood_wdt_init(void) |
308 | { | 460 | { |
309 | orion_wdt_init(kirkwood_tclk); | 461 | orion_wdt_init(); |
310 | } | 462 | } |
311 | 463 | ||
312 | 464 | ||
@@ -382,7 +534,6 @@ static struct platform_device kirkwood_pcm_device = { | |||
382 | 534 | ||
383 | void __init kirkwood_audio_init(void) | 535 | void __init kirkwood_audio_init(void) |
384 | { | 536 | { |
385 | kirkwood_clk_ctrl |= CGC_AUDIO; | ||
386 | platform_device_register(&kirkwood_i2s_device); | 537 | platform_device_register(&kirkwood_i2s_device); |
387 | platform_device_register(&kirkwood_pcm_device); | 538 | platform_device_register(&kirkwood_pcm_device); |
388 | } | 539 | } |
@@ -466,6 +617,9 @@ void __init kirkwood_init(void) | |||
466 | kirkwood_l2_init(); | 617 | kirkwood_l2_init(); |
467 | #endif | 618 | #endif |
468 | 619 | ||
620 | /* Setup root of clk tree */ | ||
621 | kirkwood_clk_init(); | ||
622 | |||
469 | /* internal devices that every board has */ | 623 | /* internal devices that every board has */ |
470 | kirkwood_rtc_init(); | 624 | kirkwood_rtc_init(); |
471 | kirkwood_wdt_init(); | 625 | kirkwood_wdt_init(); |
@@ -478,72 +632,6 @@ void __init kirkwood_init(void) | |||
478 | #endif | 632 | #endif |
479 | } | 633 | } |
480 | 634 | ||
481 | static int __init kirkwood_clock_gate(void) | ||
482 | { | ||
483 | unsigned int curr = readl(CLOCK_GATING_CTRL); | ||
484 | u32 dev, rev; | ||
485 | |||
486 | #ifdef CONFIG_OF | ||
487 | struct device_node *np; | ||
488 | #endif | ||
489 | kirkwood_pcie_id(&dev, &rev); | ||
490 | printk(KERN_DEBUG "Gating clock of unused units\n"); | ||
491 | printk(KERN_DEBUG "before: 0x%08x\n", curr); | ||
492 | |||
493 | /* Make sure those units are accessible */ | ||
494 | writel(curr | CGC_SATA0 | CGC_SATA1 | CGC_PEX0 | CGC_PEX1, CLOCK_GATING_CTRL); | ||
495 | |||
496 | #ifdef CONFIG_OF | ||
497 | np = of_find_compatible_node(NULL, NULL, "mrvl,orion-nand"); | ||
498 | if (np && of_device_is_available(np)) { | ||
499 | kirkwood_clk_ctrl |= CGC_RUNIT; | ||
500 | of_node_put(np); | ||
501 | } | ||
502 | #endif | ||
503 | |||
504 | /* For SATA: first shutdown the phy */ | ||
505 | if (!(kirkwood_clk_ctrl & CGC_SATA0)) { | ||
506 | /* Disable PLL and IVREF */ | ||
507 | writel(readl(SATA0_PHY_MODE_2) & ~0xf, SATA0_PHY_MODE_2); | ||
508 | /* Disable PHY */ | ||
509 | writel(readl(SATA0_IF_CTRL) | 0x200, SATA0_IF_CTRL); | ||
510 | } | ||
511 | if (!(kirkwood_clk_ctrl & CGC_SATA1)) { | ||
512 | /* Disable PLL and IVREF */ | ||
513 | writel(readl(SATA1_PHY_MODE_2) & ~0xf, SATA1_PHY_MODE_2); | ||
514 | /* Disable PHY */ | ||
515 | writel(readl(SATA1_IF_CTRL) | 0x200, SATA1_IF_CTRL); | ||
516 | } | ||
517 | |||
518 | /* For PCIe: first shutdown the phy */ | ||
519 | if (!(kirkwood_clk_ctrl & CGC_PEX0)) { | ||
520 | writel(readl(PCIE_LINK_CTRL) | 0x10, PCIE_LINK_CTRL); | ||
521 | while (1) | ||
522 | if (readl(PCIE_STATUS) & 0x1) | ||
523 | break; | ||
524 | writel(readl(PCIE_LINK_CTRL) & ~0x10, PCIE_LINK_CTRL); | ||
525 | } | ||
526 | |||
527 | /* For PCIe 1: first shutdown the phy */ | ||
528 | if (dev == MV88F6282_DEV_ID) { | ||
529 | if (!(kirkwood_clk_ctrl & CGC_PEX1)) { | ||
530 | writel(readl(PCIE1_LINK_CTRL) | 0x10, PCIE1_LINK_CTRL); | ||
531 | while (1) | ||
532 | if (readl(PCIE1_STATUS) & 0x1) | ||
533 | break; | ||
534 | writel(readl(PCIE1_LINK_CTRL) & ~0x10, PCIE1_LINK_CTRL); | ||
535 | } | ||
536 | } else /* keep this bit set for devices that don't have PCIe1 */ | ||
537 | kirkwood_clk_ctrl |= CGC_PEX1; | ||
538 | |||
539 | /* Now gate clock the required units */ | ||
540 | writel(kirkwood_clk_ctrl, CLOCK_GATING_CTRL); | ||
541 | printk(KERN_DEBUG " after: 0x%08x\n", readl(CLOCK_GATING_CTRL)); | ||
542 | |||
543 | return 0; | ||
544 | } | ||
545 | late_initcall(kirkwood_clock_gate); | ||
546 | |||
547 | void kirkwood_restart(char mode, const char *cmd) | 635 | void kirkwood_restart(char mode, const char *cmd) |
548 | { | 636 | { |
549 | /* | 637 | /* |
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index a34c41a5172e..9248fa2c165b 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h | |||
@@ -50,6 +50,7 @@ void kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int delay); | |||
50 | void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *)); | 50 | void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *)); |
51 | void kirkwood_audio_init(void); | 51 | void kirkwood_audio_init(void); |
52 | void kirkwood_restart(char, const char *); | 52 | void kirkwood_restart(char, const char *); |
53 | void kirkwood_clk_init(void); | ||
53 | 54 | ||
54 | /* board init functions for boards not fully converted to fdt */ | 55 | /* board init functions for boards not fully converted to fdt */ |
55 | #ifdef CONFIG_MACH_DREAMPLUG_DT | 56 | #ifdef CONFIG_MACH_DREAMPLUG_DT |
diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 957bd7997d7e..3eee37a3b501 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h | |||
@@ -43,6 +43,22 @@ | |||
43 | #define L2_WRITETHROUGH 0x00000010 | 43 | #define L2_WRITETHROUGH 0x00000010 |
44 | 44 | ||
45 | #define CLOCK_GATING_CTRL (BRIDGE_VIRT_BASE | 0x11c) | 45 | #define CLOCK_GATING_CTRL (BRIDGE_VIRT_BASE | 0x11c) |
46 | #define CGC_BIT_GE0 (0) | ||
47 | #define CGC_BIT_PEX0 (2) | ||
48 | #define CGC_BIT_USB0 (3) | ||
49 | #define CGC_BIT_SDIO (4) | ||
50 | #define CGC_BIT_TSU (5) | ||
51 | #define CGC_BIT_DUNIT (6) | ||
52 | #define CGC_BIT_RUNIT (7) | ||
53 | #define CGC_BIT_XOR0 (8) | ||
54 | #define CGC_BIT_AUDIO (9) | ||
55 | #define CGC_BIT_SATA0 (14) | ||
56 | #define CGC_BIT_SATA1 (15) | ||
57 | #define CGC_BIT_XOR1 (16) | ||
58 | #define CGC_BIT_CRYPTO (17) | ||
59 | #define CGC_BIT_PEX1 (18) | ||
60 | #define CGC_BIT_GE1 (19) | ||
61 | #define CGC_BIT_TDM (20) | ||
46 | #define CGC_GE0 (1 << 0) | 62 | #define CGC_GE0 (1 << 0) |
47 | #define CGC_PEX0 (1 << 2) | 63 | #define CGC_PEX0 (1 << 2) |
48 | #define CGC_USB0 (1 << 3) | 64 | #define CGC_USB0 (1 << 3) |
diff --git a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c index 85f6169c2484..6d8364a97810 100644 --- a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c +++ b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c | |||
@@ -23,7 +23,6 @@ | |||
23 | #include <linux/gpio_keys.h> | 23 | #include <linux/gpio_keys.h> |
24 | #include <linux/spi/flash.h> | 24 | #include <linux/spi/flash.h> |
25 | #include <linux/spi/spi.h> | 25 | #include <linux/spi/spi.h> |
26 | #include <linux/spi/orion_spi.h> | ||
27 | #include <net/dsa.h> | 26 | #include <net/dsa.h> |
28 | #include <asm/mach-types.h> | 27 | #include <asm/mach-types.h> |
29 | #include <asm/mach/arch.h> | 28 | #include <asm/mach/arch.h> |
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index de373176ee67..6e8b2efa3c35 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c | |||
@@ -11,6 +11,7 @@ | |||
11 | #include <linux/kernel.h> | 11 | #include <linux/kernel.h> |
12 | #include <linux/pci.h> | 12 | #include <linux/pci.h> |
13 | #include <linux/slab.h> | 13 | #include <linux/slab.h> |
14 | #include <linux/clk.h> | ||
14 | #include <video/vga.h> | 15 | #include <video/vga.h> |
15 | #include <asm/irq.h> | 16 | #include <asm/irq.h> |
16 | #include <asm/mach/pci.h> | 17 | #include <asm/mach/pci.h> |
@@ -19,6 +20,23 @@ | |||
19 | #include <plat/addr-map.h> | 20 | #include <plat/addr-map.h> |
20 | #include "common.h" | 21 | #include "common.h" |
21 | 22 | ||
23 | static void kirkwood_enable_pcie_clk(const char *port) | ||
24 | { | ||
25 | struct clk *clk; | ||
26 | |||
27 | clk = clk_get_sys("pcie", port); | ||
28 | if (IS_ERR(clk)) { | ||
29 | printk(KERN_ERR "PCIE clock %s missing\n", port); | ||
30 | return; | ||
31 | } | ||
32 | clk_prepare_enable(clk); | ||
33 | clk_put(clk); | ||
34 | } | ||
35 | |||
36 | /* This function is called very early in the boot when probing the | ||
37 | hardware to determine what we actually are, and what rate tclk is | ||
38 | ticking at. Hence calling kirkwood_enable_pcie_clk() is not | ||
39 | possible since the clk tree has not been created yet. */ | ||
22 | void kirkwood_enable_pcie(void) | 40 | void kirkwood_enable_pcie(void) |
23 | { | 41 | { |
24 | u32 curr = readl(CLOCK_GATING_CTRL); | 42 | u32 curr = readl(CLOCK_GATING_CTRL); |
@@ -26,7 +44,7 @@ void kirkwood_enable_pcie(void) | |||
26 | writel(curr | CGC_PEX0, CLOCK_GATING_CTRL); | 44 | writel(curr | CGC_PEX0, CLOCK_GATING_CTRL); |
27 | } | 45 | } |
28 | 46 | ||
29 | void __init kirkwood_pcie_id(u32 *dev, u32 *rev) | 47 | void kirkwood_pcie_id(u32 *dev, u32 *rev) |
30 | { | 48 | { |
31 | kirkwood_enable_pcie(); | 49 | kirkwood_enable_pcie(); |
32 | *dev = orion_pcie_dev_id((void __iomem *)PCIE_VIRT_BASE); | 50 | *dev = orion_pcie_dev_id((void __iomem *)PCIE_VIRT_BASE); |
@@ -159,7 +177,6 @@ static void __init pcie1_ioresources_init(struct pcie_port *pp) | |||
159 | 177 | ||
160 | static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) | 178 | static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) |
161 | { | 179 | { |
162 | extern unsigned int kirkwood_clk_ctrl; | ||
163 | struct pcie_port *pp; | 180 | struct pcie_port *pp; |
164 | int index; | 181 | int index; |
165 | 182 | ||
@@ -178,11 +195,11 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) | |||
178 | 195 | ||
179 | switch (index) { | 196 | switch (index) { |
180 | case 0: | 197 | case 0: |
181 | kirkwood_clk_ctrl |= CGC_PEX0; | 198 | kirkwood_enable_pcie_clk("0"); |
182 | pcie0_ioresources_init(pp); | 199 | pcie0_ioresources_init(pp); |
183 | break; | 200 | break; |
184 | case 1: | 201 | case 1: |
185 | kirkwood_clk_ctrl |= CGC_PEX1; | 202 | kirkwood_enable_pcie_clk("1"); |
186 | pcie1_ioresources_init(pp); | 203 | pcie1_ioresources_init(pp); |
187 | break; | 204 | break; |
188 | default: | 205 | default: |
diff --git a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c index fd2c9c8b6831..f742a66a7045 100644 --- a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c +++ b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c | |||
@@ -16,7 +16,6 @@ | |||
16 | #include <linux/gpio.h> | 16 | #include <linux/gpio.h> |
17 | #include <linux/spi/flash.h> | 17 | #include <linux/spi/flash.h> |
18 | #include <linux/spi/spi.h> | 18 | #include <linux/spi/spi.h> |
19 | #include <linux/spi/orion_spi.h> | ||
20 | #include <asm/mach-types.h> | 19 | #include <asm/mach-types.h> |
21 | #include <asm/mach/arch.h> | 20 | #include <asm/mach/arch.h> |
22 | #include <mach/kirkwood.h> | 21 | #include <mach/kirkwood.h> |
diff --git a/arch/arm/mach-kirkwood/t5325-setup.c b/arch/arm/mach-kirkwood/t5325-setup.c index f9d2a11b7f96..bad738e44044 100644 --- a/arch/arm/mach-kirkwood/t5325-setup.c +++ b/arch/arm/mach-kirkwood/t5325-setup.c | |||
@@ -16,7 +16,6 @@ | |||
16 | #include <linux/mtd/physmap.h> | 16 | #include <linux/mtd/physmap.h> |
17 | #include <linux/spi/flash.h> | 17 | #include <linux/spi/flash.h> |
18 | #include <linux/spi/spi.h> | 18 | #include <linux/spi/spi.h> |
19 | #include <linux/spi/orion_spi.h> | ||
20 | #include <linux/i2c.h> | 19 | #include <linux/i2c.h> |
21 | #include <linux/mv643xx_eth.h> | 20 | #include <linux/mv643xx_eth.h> |
22 | #include <linux/ata_platform.h> | 21 | #include <linux/ata_platform.h> |
diff --git a/arch/arm/mach-kirkwood/tsx1x-common.c b/arch/arm/mach-kirkwood/tsx1x-common.c index 24294b2bc469..8943ede29b44 100644 --- a/arch/arm/mach-kirkwood/tsx1x-common.c +++ b/arch/arm/mach-kirkwood/tsx1x-common.c | |||
@@ -4,7 +4,6 @@ | |||
4 | #include <linux/mtd/physmap.h> | 4 | #include <linux/mtd/physmap.h> |
5 | #include <linux/spi/flash.h> | 5 | #include <linux/spi/flash.h> |
6 | #include <linux/spi/spi.h> | 6 | #include <linux/spi/spi.h> |
7 | #include <linux/spi/orion_spi.h> | ||
8 | #include <linux/serial_reg.h> | 7 | #include <linux/serial_reg.h> |
9 | #include <mach/kirkwood.h> | 8 | #include <mach/kirkwood.h> |
10 | #include "common.h" | 9 | #include "common.h" |
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c index a5dcf766a3f9..b4c53b846c9c 100644 --- a/arch/arm/mach-mv78xx0/common.c +++ b/arch/arm/mach-mv78xx0/common.c | |||
@@ -13,6 +13,7 @@ | |||
13 | #include <linux/platform_device.h> | 13 | #include <linux/platform_device.h> |
14 | #include <linux/serial_8250.h> | 14 | #include <linux/serial_8250.h> |
15 | #include <linux/ata_platform.h> | 15 | #include <linux/ata_platform.h> |
16 | #include <linux/clk-provider.h> | ||
16 | #include <linux/ethtool.h> | 17 | #include <linux/ethtool.h> |
17 | #include <asm/mach/map.h> | 18 | #include <asm/mach/map.h> |
18 | #include <asm/mach/time.h> | 19 | #include <asm/mach/time.h> |
@@ -103,24 +104,24 @@ static void get_pclk_l2clk(int hclk, int core_index, int *pclk, int *l2clk) | |||
103 | 104 | ||
104 | static int get_tclk(void) | 105 | static int get_tclk(void) |
105 | { | 106 | { |
106 | int tclk; | 107 | int tclk_freq; |
107 | 108 | ||
108 | /* | 109 | /* |
109 | * TCLK tick rate is configured by DEV_A[2:0] strap pins. | 110 | * TCLK tick rate is configured by DEV_A[2:0] strap pins. |
110 | */ | 111 | */ |
111 | switch ((readl(SAMPLE_AT_RESET_HIGH) >> 6) & 7) { | 112 | switch ((readl(SAMPLE_AT_RESET_HIGH) >> 6) & 7) { |
112 | case 1: | 113 | case 1: |
113 | tclk = 166666667; | 114 | tclk_freq = 166666667; |
114 | break; | 115 | break; |
115 | case 3: | 116 | case 3: |
116 | tclk = 200000000; | 117 | tclk_freq = 200000000; |
117 | break; | 118 | break; |
118 | default: | 119 | default: |
119 | panic("unknown TCLK PLL setting: %.8x\n", | 120 | panic("unknown TCLK PLL setting: %.8x\n", |
120 | readl(SAMPLE_AT_RESET_HIGH)); | 121 | readl(SAMPLE_AT_RESET_HIGH)); |
121 | } | 122 | } |
122 | 123 | ||
123 | return tclk; | 124 | return tclk_freq; |
124 | } | 125 | } |
125 | 126 | ||
126 | 127 | ||
@@ -166,6 +167,19 @@ void __init mv78xx0_map_io(void) | |||
166 | 167 | ||
167 | 168 | ||
168 | /***************************************************************************** | 169 | /***************************************************************************** |
170 | * CLK tree | ||
171 | ****************************************************************************/ | ||
172 | static struct clk *tclk; | ||
173 | |||
174 | static void __init clk_init(void) | ||
175 | { | ||
176 | tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT, | ||
177 | get_tclk()); | ||
178 | |||
179 | orion_clkdev_init(tclk); | ||
180 | } | ||
181 | |||
182 | /***************************************************************************** | ||
169 | * EHCI | 183 | * EHCI |
170 | ****************************************************************************/ | 184 | ****************************************************************************/ |
171 | void __init mv78xx0_ehci0_init(void) | 185 | void __init mv78xx0_ehci0_init(void) |
@@ -199,7 +213,7 @@ void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data) | |||
199 | { | 213 | { |
200 | orion_ge00_init(eth_data, | 214 | orion_ge00_init(eth_data, |
201 | GE00_PHYS_BASE, IRQ_MV78XX0_GE00_SUM, | 215 | GE00_PHYS_BASE, IRQ_MV78XX0_GE00_SUM, |
202 | IRQ_MV78XX0_GE_ERR, get_tclk()); | 216 | IRQ_MV78XX0_GE_ERR); |
203 | } | 217 | } |
204 | 218 | ||
205 | 219 | ||
@@ -210,7 +224,7 @@ void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data) | |||
210 | { | 224 | { |
211 | orion_ge01_init(eth_data, | 225 | orion_ge01_init(eth_data, |
212 | GE01_PHYS_BASE, IRQ_MV78XX0_GE01_SUM, | 226 | GE01_PHYS_BASE, IRQ_MV78XX0_GE01_SUM, |
213 | NO_IRQ, get_tclk()); | 227 | NO_IRQ); |
214 | } | 228 | } |
215 | 229 | ||
216 | 230 | ||
@@ -234,7 +248,7 @@ void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data) | |||
234 | 248 | ||
235 | orion_ge10_init(eth_data, | 249 | orion_ge10_init(eth_data, |
236 | GE10_PHYS_BASE, IRQ_MV78XX0_GE10_SUM, | 250 | GE10_PHYS_BASE, IRQ_MV78XX0_GE10_SUM, |
237 | NO_IRQ, get_tclk()); | 251 | NO_IRQ); |
238 | } | 252 | } |
239 | 253 | ||
240 | 254 | ||
@@ -258,7 +272,7 @@ void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data) | |||
258 | 272 | ||
259 | orion_ge11_init(eth_data, | 273 | orion_ge11_init(eth_data, |
260 | GE11_PHYS_BASE, IRQ_MV78XX0_GE11_SUM, | 274 | GE11_PHYS_BASE, IRQ_MV78XX0_GE11_SUM, |
261 | NO_IRQ, get_tclk()); | 275 | NO_IRQ); |
262 | } | 276 | } |
263 | 277 | ||
264 | /***************************************************************************** | 278 | /***************************************************************************** |
@@ -285,7 +299,7 @@ void __init mv78xx0_sata_init(struct mv_sata_platform_data *sata_data) | |||
285 | void __init mv78xx0_uart0_init(void) | 299 | void __init mv78xx0_uart0_init(void) |
286 | { | 300 | { |
287 | orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, | 301 | orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, |
288 | IRQ_MV78XX0_UART_0, get_tclk()); | 302 | IRQ_MV78XX0_UART_0, tclk); |
289 | } | 303 | } |
290 | 304 | ||
291 | 305 | ||
@@ -295,7 +309,7 @@ void __init mv78xx0_uart0_init(void) | |||
295 | void __init mv78xx0_uart1_init(void) | 309 | void __init mv78xx0_uart1_init(void) |
296 | { | 310 | { |
297 | orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, | 311 | orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, |
298 | IRQ_MV78XX0_UART_1, get_tclk()); | 312 | IRQ_MV78XX0_UART_1, tclk); |
299 | } | 313 | } |
300 | 314 | ||
301 | 315 | ||
@@ -305,7 +319,7 @@ void __init mv78xx0_uart1_init(void) | |||
305 | void __init mv78xx0_uart2_init(void) | 319 | void __init mv78xx0_uart2_init(void) |
306 | { | 320 | { |
307 | orion_uart2_init(UART2_VIRT_BASE, UART2_PHYS_BASE, | 321 | orion_uart2_init(UART2_VIRT_BASE, UART2_PHYS_BASE, |
308 | IRQ_MV78XX0_UART_2, get_tclk()); | 322 | IRQ_MV78XX0_UART_2, tclk); |
309 | } | 323 | } |
310 | 324 | ||
311 | /***************************************************************************** | 325 | /***************************************************************************** |
@@ -314,7 +328,7 @@ void __init mv78xx0_uart2_init(void) | |||
314 | void __init mv78xx0_uart3_init(void) | 328 | void __init mv78xx0_uart3_init(void) |
315 | { | 329 | { |
316 | orion_uart3_init(UART3_VIRT_BASE, UART3_PHYS_BASE, | 330 | orion_uart3_init(UART3_VIRT_BASE, UART3_PHYS_BASE, |
317 | IRQ_MV78XX0_UART_3, get_tclk()); | 331 | IRQ_MV78XX0_UART_3, tclk); |
318 | } | 332 | } |
319 | 333 | ||
320 | /***************************************************************************** | 334 | /***************************************************************************** |
@@ -378,25 +392,26 @@ void __init mv78xx0_init(void) | |||
378 | int hclk; | 392 | int hclk; |
379 | int pclk; | 393 | int pclk; |
380 | int l2clk; | 394 | int l2clk; |
381 | int tclk; | ||
382 | 395 | ||
383 | core_index = mv78xx0_core_index(); | 396 | core_index = mv78xx0_core_index(); |
384 | hclk = get_hclk(); | 397 | hclk = get_hclk(); |
385 | get_pclk_l2clk(hclk, core_index, &pclk, &l2clk); | 398 | get_pclk_l2clk(hclk, core_index, &pclk, &l2clk); |
386 | tclk = get_tclk(); | ||
387 | 399 | ||
388 | printk(KERN_INFO "%s ", mv78xx0_id()); | 400 | printk(KERN_INFO "%s ", mv78xx0_id()); |
389 | printk("core #%d, ", core_index); | 401 | printk("core #%d, ", core_index); |
390 | printk("PCLK = %dMHz, ", (pclk + 499999) / 1000000); | 402 | printk("PCLK = %dMHz, ", (pclk + 499999) / 1000000); |
391 | printk("L2 = %dMHz, ", (l2clk + 499999) / 1000000); | 403 | printk("L2 = %dMHz, ", (l2clk + 499999) / 1000000); |
392 | printk("HCLK = %dMHz, ", (hclk + 499999) / 1000000); | 404 | printk("HCLK = %dMHz, ", (hclk + 499999) / 1000000); |
393 | printk("TCLK = %dMHz\n", (tclk + 499999) / 1000000); | 405 | printk("TCLK = %dMHz\n", (get_tclk() + 499999) / 1000000); |
394 | 406 | ||
395 | mv78xx0_setup_cpu_mbus(); | 407 | mv78xx0_setup_cpu_mbus(); |
396 | 408 | ||
397 | #ifdef CONFIG_CACHE_FEROCEON_L2 | 409 | #ifdef CONFIG_CACHE_FEROCEON_L2 |
398 | feroceon_l2_init(is_l2_writethrough()); | 410 | feroceon_l2_init(is_l2_writethrough()); |
399 | #endif | 411 | #endif |
412 | |||
413 | /* Setup root of clk tree */ | ||
414 | clk_init(); | ||
400 | } | 415 | } |
401 | 416 | ||
402 | void mv78xx0_restart(char mode, const char *cmd) | 417 | void mv78xx0_restart(char mode, const char *cmd) |
diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index 908bf9a567f1..6ce21a26412e 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile | |||
@@ -1,12 +1,9 @@ | |||
1 | # Common support | 1 | # Common support |
2 | obj-y := clock.o devices.o icoll.o iomux.o system.o timer.o mm.o | 2 | obj-y := devices.o icoll.o iomux.o system.o timer.o mm.o |
3 | 3 | ||
4 | obj-$(CONFIG_MXS_OCOTP) += ocotp.o | 4 | obj-$(CONFIG_MXS_OCOTP) += ocotp.o |
5 | obj-$(CONFIG_PM) += pm.o | 5 | obj-$(CONFIG_PM) += pm.o |
6 | 6 | ||
7 | obj-$(CONFIG_SOC_IMX23) += clock-mx23.o | ||
8 | obj-$(CONFIG_SOC_IMX28) += clock-mx28.o | ||
9 | |||
10 | obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o | 7 | obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o |
11 | obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o | 8 | obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o |
12 | obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o | 9 | obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o |
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c deleted file mode 100644 index e3ac52c34019..000000000000 --- a/arch/arm/mach-mxs/clock-mx23.c +++ /dev/null | |||
@@ -1,536 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License as published by | ||
6 | * the Free Software Foundation; either version 2 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along | ||
15 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
17 | */ | ||
18 | |||
19 | #include <linux/mm.h> | ||
20 | #include <linux/delay.h> | ||
21 | #include <linux/clk.h> | ||
22 | #include <linux/io.h> | ||
23 | #include <linux/jiffies.h> | ||
24 | #include <linux/clkdev.h> | ||
25 | |||
26 | #include <asm/clkdev.h> | ||
27 | #include <asm/div64.h> | ||
28 | |||
29 | #include <mach/mx23.h> | ||
30 | #include <mach/common.h> | ||
31 | #include <mach/clock.h> | ||
32 | |||
33 | #include "regs-clkctrl-mx23.h" | ||
34 | |||
35 | #define CLKCTRL_BASE_ADDR MX23_IO_ADDRESS(MX23_CLKCTRL_BASE_ADDR) | ||
36 | #define DIGCTRL_BASE_ADDR MX23_IO_ADDRESS(MX23_DIGCTL_BASE_ADDR) | ||
37 | |||
38 | #define PARENT_RATE_SHIFT 8 | ||
39 | |||
40 | static int _raw_clk_enable(struct clk *clk) | ||
41 | { | ||
42 | u32 reg; | ||
43 | |||
44 | if (clk->enable_reg) { | ||
45 | reg = __raw_readl(clk->enable_reg); | ||
46 | reg &= ~(1 << clk->enable_shift); | ||
47 | __raw_writel(reg, clk->enable_reg); | ||
48 | } | ||
49 | |||
50 | return 0; | ||
51 | } | ||
52 | |||
53 | static void _raw_clk_disable(struct clk *clk) | ||
54 | { | ||
55 | u32 reg; | ||
56 | |||
57 | if (clk->enable_reg) { | ||
58 | reg = __raw_readl(clk->enable_reg); | ||
59 | reg |= 1 << clk->enable_shift; | ||
60 | __raw_writel(reg, clk->enable_reg); | ||
61 | } | ||
62 | } | ||
63 | |||
64 | /* | ||
65 | * ref_xtal_clk | ||
66 | */ | ||
67 | static unsigned long ref_xtal_clk_get_rate(struct clk *clk) | ||
68 | { | ||
69 | return 24000000; | ||
70 | } | ||
71 | |||
72 | static struct clk ref_xtal_clk = { | ||
73 | .get_rate = ref_xtal_clk_get_rate, | ||
74 | }; | ||
75 | |||
76 | /* | ||
77 | * pll_clk | ||
78 | */ | ||
79 | static unsigned long pll_clk_get_rate(struct clk *clk) | ||
80 | { | ||
81 | return 480000000; | ||
82 | } | ||
83 | |||
84 | static int pll_clk_enable(struct clk *clk) | ||
85 | { | ||
86 | __raw_writel(BM_CLKCTRL_PLLCTRL0_POWER | | ||
87 | BM_CLKCTRL_PLLCTRL0_EN_USB_CLKS, | ||
88 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_PLLCTRL0_SET); | ||
89 | |||
90 | /* Only a 10us delay is need. PLLCTRL1 LOCK bitfied is only a timer | ||
91 | * and is incorrect (excessive). Per definition of the PLLCTRL0 | ||
92 | * POWER field, waiting at least 10us. | ||
93 | */ | ||
94 | udelay(10); | ||
95 | |||
96 | return 0; | ||
97 | } | ||
98 | |||
99 | static void pll_clk_disable(struct clk *clk) | ||
100 | { | ||
101 | __raw_writel(BM_CLKCTRL_PLLCTRL0_POWER | | ||
102 | BM_CLKCTRL_PLLCTRL0_EN_USB_CLKS, | ||
103 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_PLLCTRL0_CLR); | ||
104 | } | ||
105 | |||
106 | static struct clk pll_clk = { | ||
107 | .get_rate = pll_clk_get_rate, | ||
108 | .enable = pll_clk_enable, | ||
109 | .disable = pll_clk_disable, | ||
110 | .parent = &ref_xtal_clk, | ||
111 | }; | ||
112 | |||
113 | /* | ||
114 | * ref_clk | ||
115 | */ | ||
116 | #define _CLK_GET_RATE_REF(name, sr, ss) \ | ||
117 | static unsigned long name##_get_rate(struct clk *clk) \ | ||
118 | { \ | ||
119 | unsigned long parent_rate; \ | ||
120 | u32 reg, div; \ | ||
121 | \ | ||
122 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##sr); \ | ||
123 | div = (reg >> BP_CLKCTRL_##sr##_##ss##FRAC) & 0x3f; \ | ||
124 | parent_rate = clk_get_rate(clk->parent); \ | ||
125 | \ | ||
126 | return SH_DIV((parent_rate >> PARENT_RATE_SHIFT) * 18, \ | ||
127 | div, PARENT_RATE_SHIFT); \ | ||
128 | } | ||
129 | |||
130 | _CLK_GET_RATE_REF(ref_cpu_clk, FRAC, CPU) | ||
131 | _CLK_GET_RATE_REF(ref_emi_clk, FRAC, EMI) | ||
132 | _CLK_GET_RATE_REF(ref_pix_clk, FRAC, PIX) | ||
133 | _CLK_GET_RATE_REF(ref_io_clk, FRAC, IO) | ||
134 | |||
135 | #define _DEFINE_CLOCK_REF(name, er, es) \ | ||
136 | static struct clk name = { \ | ||
137 | .enable_reg = CLKCTRL_BASE_ADDR + HW_CLKCTRL_##er, \ | ||
138 | .enable_shift = BP_CLKCTRL_##er##_CLKGATE##es, \ | ||
139 | .get_rate = name##_get_rate, \ | ||
140 | .enable = _raw_clk_enable, \ | ||
141 | .disable = _raw_clk_disable, \ | ||
142 | .parent = &pll_clk, \ | ||
143 | } | ||
144 | |||
145 | _DEFINE_CLOCK_REF(ref_cpu_clk, FRAC, CPU); | ||
146 | _DEFINE_CLOCK_REF(ref_emi_clk, FRAC, EMI); | ||
147 | _DEFINE_CLOCK_REF(ref_pix_clk, FRAC, PIX); | ||
148 | _DEFINE_CLOCK_REF(ref_io_clk, FRAC, IO); | ||
149 | |||
150 | /* | ||
151 | * General clocks | ||
152 | * | ||
153 | * clk_get_rate | ||
154 | */ | ||
155 | static unsigned long rtc_clk_get_rate(struct clk *clk) | ||
156 | { | ||
157 | /* ref_xtal_clk is implemented as the only parent */ | ||
158 | return clk_get_rate(clk->parent) / 768; | ||
159 | } | ||
160 | |||
161 | static unsigned long clk32k_clk_get_rate(struct clk *clk) | ||
162 | { | ||
163 | return clk->parent->get_rate(clk->parent) / 750; | ||
164 | } | ||
165 | |||
166 | #define _CLK_GET_RATE(name, rs) \ | ||
167 | static unsigned long name##_get_rate(struct clk *clk) \ | ||
168 | { \ | ||
169 | u32 reg, div; \ | ||
170 | \ | ||
171 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \ | ||
172 | \ | ||
173 | if (clk->parent == &ref_xtal_clk) \ | ||
174 | div = (reg & BM_CLKCTRL_##rs##_DIV_XTAL) >> \ | ||
175 | BP_CLKCTRL_##rs##_DIV_XTAL; \ | ||
176 | else \ | ||
177 | div = (reg & BM_CLKCTRL_##rs##_DIV_##rs) >> \ | ||
178 | BP_CLKCTRL_##rs##_DIV_##rs; \ | ||
179 | \ | ||
180 | if (!div) \ | ||
181 | return -EINVAL; \ | ||
182 | \ | ||
183 | return clk_get_rate(clk->parent) / div; \ | ||
184 | } | ||
185 | |||
186 | _CLK_GET_RATE(cpu_clk, CPU) | ||
187 | _CLK_GET_RATE(emi_clk, EMI) | ||
188 | |||
189 | #define _CLK_GET_RATE1(name, rs) \ | ||
190 | static unsigned long name##_get_rate(struct clk *clk) \ | ||
191 | { \ | ||
192 | u32 reg, div; \ | ||
193 | \ | ||
194 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \ | ||
195 | div = (reg & BM_CLKCTRL_##rs##_DIV) >> BP_CLKCTRL_##rs##_DIV; \ | ||
196 | \ | ||
197 | if (!div) \ | ||
198 | return -EINVAL; \ | ||
199 | \ | ||
200 | return clk_get_rate(clk->parent) / div; \ | ||
201 | } | ||
202 | |||
203 | _CLK_GET_RATE1(hbus_clk, HBUS) | ||
204 | _CLK_GET_RATE1(xbus_clk, XBUS) | ||
205 | _CLK_GET_RATE1(ssp_clk, SSP) | ||
206 | _CLK_GET_RATE1(gpmi_clk, GPMI) | ||
207 | _CLK_GET_RATE1(lcdif_clk, PIX) | ||
208 | |||
209 | #define _CLK_GET_RATE_STUB(name) \ | ||
210 | static unsigned long name##_get_rate(struct clk *clk) \ | ||
211 | { \ | ||
212 | return clk_get_rate(clk->parent); \ | ||
213 | } | ||
214 | |||
215 | _CLK_GET_RATE_STUB(uart_clk) | ||
216 | _CLK_GET_RATE_STUB(audio_clk) | ||
217 | _CLK_GET_RATE_STUB(pwm_clk) | ||
218 | |||
219 | /* | ||
220 | * clk_set_rate | ||
221 | */ | ||
222 | static int cpu_clk_set_rate(struct clk *clk, unsigned long rate) | ||
223 | { | ||
224 | u32 reg, bm_busy, div_max, d, f, div, frac; | ||
225 | unsigned long diff, parent_rate, calc_rate; | ||
226 | |||
227 | parent_rate = clk_get_rate(clk->parent); | ||
228 | |||
229 | if (clk->parent == &ref_xtal_clk) { | ||
230 | div_max = BM_CLKCTRL_CPU_DIV_XTAL >> BP_CLKCTRL_CPU_DIV_XTAL; | ||
231 | bm_busy = BM_CLKCTRL_CPU_BUSY_REF_XTAL; | ||
232 | div = DIV_ROUND_UP(parent_rate, rate); | ||
233 | if (div == 0 || div > div_max) | ||
234 | return -EINVAL; | ||
235 | } else { | ||
236 | div_max = BM_CLKCTRL_CPU_DIV_CPU >> BP_CLKCTRL_CPU_DIV_CPU; | ||
237 | bm_busy = BM_CLKCTRL_CPU_BUSY_REF_CPU; | ||
238 | rate >>= PARENT_RATE_SHIFT; | ||
239 | parent_rate >>= PARENT_RATE_SHIFT; | ||
240 | diff = parent_rate; | ||
241 | div = frac = 1; | ||
242 | for (d = 1; d <= div_max; d++) { | ||
243 | f = parent_rate * 18 / d / rate; | ||
244 | if ((parent_rate * 18 / d) % rate) | ||
245 | f++; | ||
246 | if (f < 18 || f > 35) | ||
247 | continue; | ||
248 | |||
249 | calc_rate = parent_rate * 18 / f / d; | ||
250 | if (calc_rate > rate) | ||
251 | continue; | ||
252 | |||
253 | if (rate - calc_rate < diff) { | ||
254 | frac = f; | ||
255 | div = d; | ||
256 | diff = rate - calc_rate; | ||
257 | } | ||
258 | |||
259 | if (diff == 0) | ||
260 | break; | ||
261 | } | ||
262 | |||
263 | if (diff == parent_rate) | ||
264 | return -EINVAL; | ||
265 | |||
266 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC); | ||
267 | reg &= ~BM_CLKCTRL_FRAC_CPUFRAC; | ||
268 | reg |= frac; | ||
269 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC); | ||
270 | } | ||
271 | |||
272 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU); | ||
273 | reg &= ~BM_CLKCTRL_CPU_DIV_CPU; | ||
274 | reg |= div << BP_CLKCTRL_CPU_DIV_CPU; | ||
275 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU); | ||
276 | |||
277 | mxs_clkctrl_timeout(HW_CLKCTRL_CPU, bm_busy); | ||
278 | |||
279 | return 0; | ||
280 | } | ||
281 | |||
282 | #define _CLK_SET_RATE(name, dr) \ | ||
283 | static int name##_set_rate(struct clk *clk, unsigned long rate) \ | ||
284 | { \ | ||
285 | u32 reg, div_max, div; \ | ||
286 | unsigned long parent_rate; \ | ||
287 | \ | ||
288 | parent_rate = clk_get_rate(clk->parent); \ | ||
289 | div_max = BM_CLKCTRL_##dr##_DIV >> BP_CLKCTRL_##dr##_DIV; \ | ||
290 | \ | ||
291 | div = DIV_ROUND_UP(parent_rate, rate); \ | ||
292 | if (div == 0 || div > div_max) \ | ||
293 | return -EINVAL; \ | ||
294 | \ | ||
295 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ | ||
296 | reg &= ~BM_CLKCTRL_##dr##_DIV; \ | ||
297 | reg |= div << BP_CLKCTRL_##dr##_DIV; \ | ||
298 | if (reg & (1 << clk->enable_shift)) { \ | ||
299 | pr_err("%s: clock is gated\n", __func__); \ | ||
300 | return -EINVAL; \ | ||
301 | } \ | ||
302 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ | ||
303 | \ | ||
304 | mxs_clkctrl_timeout(HW_CLKCTRL_##dr, BM_CLKCTRL_##dr##_BUSY); \ | ||
305 | return 0; \ | ||
306 | } | ||
307 | |||
308 | _CLK_SET_RATE(xbus_clk, XBUS) | ||
309 | _CLK_SET_RATE(ssp_clk, SSP) | ||
310 | _CLK_SET_RATE(gpmi_clk, GPMI) | ||
311 | _CLK_SET_RATE(lcdif_clk, PIX) | ||
312 | |||
313 | #define _CLK_SET_RATE_STUB(name) \ | ||
314 | static int name##_set_rate(struct clk *clk, unsigned long rate) \ | ||
315 | { \ | ||
316 | return -EINVAL; \ | ||
317 | } | ||
318 | |||
319 | _CLK_SET_RATE_STUB(emi_clk) | ||
320 | _CLK_SET_RATE_STUB(uart_clk) | ||
321 | _CLK_SET_RATE_STUB(audio_clk) | ||
322 | _CLK_SET_RATE_STUB(pwm_clk) | ||
323 | _CLK_SET_RATE_STUB(clk32k_clk) | ||
324 | |||
325 | /* | ||
326 | * clk_set_parent | ||
327 | */ | ||
328 | #define _CLK_SET_PARENT(name, bit) \ | ||
329 | static int name##_set_parent(struct clk *clk, struct clk *parent) \ | ||
330 | { \ | ||
331 | if (parent != clk->parent) { \ | ||
332 | __raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \ | ||
333 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \ | ||
334 | clk->parent = parent; \ | ||
335 | } \ | ||
336 | \ | ||
337 | return 0; \ | ||
338 | } | ||
339 | |||
340 | _CLK_SET_PARENT(cpu_clk, CPU) | ||
341 | _CLK_SET_PARENT(emi_clk, EMI) | ||
342 | _CLK_SET_PARENT(ssp_clk, SSP) | ||
343 | _CLK_SET_PARENT(gpmi_clk, GPMI) | ||
344 | _CLK_SET_PARENT(lcdif_clk, PIX) | ||
345 | |||
346 | #define _CLK_SET_PARENT_STUB(name) \ | ||
347 | static int name##_set_parent(struct clk *clk, struct clk *parent) \ | ||
348 | { \ | ||
349 | if (parent != clk->parent) \ | ||
350 | return -EINVAL; \ | ||
351 | else \ | ||
352 | return 0; \ | ||
353 | } | ||
354 | |||
355 | _CLK_SET_PARENT_STUB(uart_clk) | ||
356 | _CLK_SET_PARENT_STUB(audio_clk) | ||
357 | _CLK_SET_PARENT_STUB(pwm_clk) | ||
358 | _CLK_SET_PARENT_STUB(clk32k_clk) | ||
359 | |||
360 | /* | ||
361 | * clk definition | ||
362 | */ | ||
363 | static struct clk cpu_clk = { | ||
364 | .get_rate = cpu_clk_get_rate, | ||
365 | .set_rate = cpu_clk_set_rate, | ||
366 | .set_parent = cpu_clk_set_parent, | ||
367 | .parent = &ref_cpu_clk, | ||
368 | }; | ||
369 | |||
370 | static struct clk hbus_clk = { | ||
371 | .get_rate = hbus_clk_get_rate, | ||
372 | .parent = &cpu_clk, | ||
373 | }; | ||
374 | |||
375 | static struct clk xbus_clk = { | ||
376 | .get_rate = xbus_clk_get_rate, | ||
377 | .set_rate = xbus_clk_set_rate, | ||
378 | .parent = &ref_xtal_clk, | ||
379 | }; | ||
380 | |||
381 | static struct clk rtc_clk = { | ||
382 | .get_rate = rtc_clk_get_rate, | ||
383 | .parent = &ref_xtal_clk, | ||
384 | }; | ||
385 | |||
386 | /* usb_clk gate is controlled in DIGCTRL other than CLKCTRL */ | ||
387 | static struct clk usb_clk = { | ||
388 | .enable_reg = DIGCTRL_BASE_ADDR, | ||
389 | .enable_shift = 2, | ||
390 | .enable = _raw_clk_enable, | ||
391 | .disable = _raw_clk_disable, | ||
392 | .parent = &pll_clk, | ||
393 | }; | ||
394 | |||
395 | #define _DEFINE_CLOCK(name, er, es, p) \ | ||
396 | static struct clk name = { \ | ||
397 | .enable_reg = CLKCTRL_BASE_ADDR + HW_CLKCTRL_##er, \ | ||
398 | .enable_shift = BP_CLKCTRL_##er##_##es, \ | ||
399 | .get_rate = name##_get_rate, \ | ||
400 | .set_rate = name##_set_rate, \ | ||
401 | .set_parent = name##_set_parent, \ | ||
402 | .enable = _raw_clk_enable, \ | ||
403 | .disable = _raw_clk_disable, \ | ||
404 | .parent = p, \ | ||
405 | } | ||
406 | |||
407 | _DEFINE_CLOCK(emi_clk, EMI, CLKGATE, &ref_xtal_clk); | ||
408 | _DEFINE_CLOCK(ssp_clk, SSP, CLKGATE, &ref_xtal_clk); | ||
409 | _DEFINE_CLOCK(gpmi_clk, GPMI, CLKGATE, &ref_xtal_clk); | ||
410 | _DEFINE_CLOCK(lcdif_clk, PIX, CLKGATE, &ref_xtal_clk); | ||
411 | _DEFINE_CLOCK(uart_clk, XTAL, UART_CLK_GATE, &ref_xtal_clk); | ||
412 | _DEFINE_CLOCK(audio_clk, XTAL, FILT_CLK24M_GATE, &ref_xtal_clk); | ||
413 | _DEFINE_CLOCK(pwm_clk, XTAL, PWM_CLK24M_GATE, &ref_xtal_clk); | ||
414 | _DEFINE_CLOCK(clk32k_clk, XTAL, TIMROT_CLK32K_GATE, &ref_xtal_clk); | ||
415 | |||
416 | #define _REGISTER_CLOCK(d, n, c) \ | ||
417 | { \ | ||
418 | .dev_id = d, \ | ||
419 | .con_id = n, \ | ||
420 | .clk = &c, \ | ||
421 | }, | ||
422 | |||
423 | static struct clk_lookup lookups[] = { | ||
424 | /* for amba bus driver */ | ||
425 | _REGISTER_CLOCK("duart", "apb_pclk", xbus_clk) | ||
426 | /* for amba-pl011 driver */ | ||
427 | _REGISTER_CLOCK("duart", NULL, uart_clk) | ||
428 | _REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk) | ||
429 | _REGISTER_CLOCK("rtc", NULL, rtc_clk) | ||
430 | _REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk) | ||
431 | _REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk) | ||
432 | _REGISTER_CLOCK("mxs-mmc.0", NULL, ssp_clk) | ||
433 | _REGISTER_CLOCK("mxs-mmc.1", NULL, ssp_clk) | ||
434 | _REGISTER_CLOCK(NULL, "usb", usb_clk) | ||
435 | _REGISTER_CLOCK(NULL, "audio", audio_clk) | ||
436 | _REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk) | ||
437 | _REGISTER_CLOCK("mxs-pwm.1", NULL, pwm_clk) | ||
438 | _REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk) | ||
439 | _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk) | ||
440 | _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk) | ||
441 | _REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk) | ||
442 | _REGISTER_CLOCK("imx23-gpmi-nand", NULL, gpmi_clk) | ||
443 | }; | ||
444 | |||
445 | static int clk_misc_init(void) | ||
446 | { | ||
447 | u32 reg; | ||
448 | int ret; | ||
449 | |||
450 | /* Fix up parent per register setting */ | ||
451 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ); | ||
452 | cpu_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_CPU) ? | ||
453 | &ref_xtal_clk : &ref_cpu_clk; | ||
454 | emi_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_EMI) ? | ||
455 | &ref_xtal_clk : &ref_emi_clk; | ||
456 | ssp_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP) ? | ||
457 | &ref_xtal_clk : &ref_io_clk; | ||
458 | gpmi_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_GPMI) ? | ||
459 | &ref_xtal_clk : &ref_io_clk; | ||
460 | lcdif_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_PIX) ? | ||
461 | &ref_xtal_clk : &ref_pix_clk; | ||
462 | |||
463 | /* Use int div over frac when both are available */ | ||
464 | __raw_writel(BM_CLKCTRL_CPU_DIV_XTAL_FRAC_EN, | ||
465 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_CLR); | ||
466 | __raw_writel(BM_CLKCTRL_CPU_DIV_CPU_FRAC_EN, | ||
467 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_CLR); | ||
468 | __raw_writel(BM_CLKCTRL_HBUS_DIV_FRAC_EN, | ||
469 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS_CLR); | ||
470 | |||
471 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_XBUS); | ||
472 | reg &= ~BM_CLKCTRL_XBUS_DIV_FRAC_EN; | ||
473 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_XBUS); | ||
474 | |||
475 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP); | ||
476 | reg &= ~BM_CLKCTRL_SSP_DIV_FRAC_EN; | ||
477 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP); | ||
478 | |||
479 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_GPMI); | ||
480 | reg &= ~BM_CLKCTRL_GPMI_DIV_FRAC_EN; | ||
481 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_GPMI); | ||
482 | |||
483 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_PIX); | ||
484 | reg &= ~BM_CLKCTRL_PIX_DIV_FRAC_EN; | ||
485 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_PIX); | ||
486 | |||
487 | /* | ||
488 | * Set safe hbus clock divider. A divider of 3 ensure that | ||
489 | * the Vddd voltage required for the cpu clock is sufficiently | ||
490 | * high for the hbus clock. | ||
491 | */ | ||
492 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS); | ||
493 | reg &= BM_CLKCTRL_HBUS_DIV; | ||
494 | reg |= 3 << BP_CLKCTRL_HBUS_DIV; | ||
495 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS); | ||
496 | |||
497 | ret = mxs_clkctrl_timeout(HW_CLKCTRL_HBUS, BM_CLKCTRL_HBUS_BUSY); | ||
498 | |||
499 | /* Gate off cpu clock in WFI for power saving */ | ||
500 | __raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT, | ||
501 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET); | ||
502 | |||
503 | /* | ||
504 | * 480 MHz seems too high to be ssp clock source directly, | ||
505 | * so set frac to get a 288 MHz ref_io. | ||
506 | */ | ||
507 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC); | ||
508 | reg &= ~BM_CLKCTRL_FRAC_IOFRAC; | ||
509 | reg |= 30 << BP_CLKCTRL_FRAC_IOFRAC; | ||
510 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC); | ||
511 | |||
512 | return ret; | ||
513 | } | ||
514 | |||
515 | int __init mx23_clocks_init(void) | ||
516 | { | ||
517 | clk_misc_init(); | ||
518 | |||
519 | /* | ||
520 | * source ssp clock from ref_io than ref_xtal, | ||
521 | * as ref_xtal only provides 24 MHz as maximum. | ||
522 | */ | ||
523 | clk_set_parent(&ssp_clk, &ref_io_clk); | ||
524 | |||
525 | clk_prepare_enable(&cpu_clk); | ||
526 | clk_prepare_enable(&hbus_clk); | ||
527 | clk_prepare_enable(&xbus_clk); | ||
528 | clk_prepare_enable(&emi_clk); | ||
529 | clk_prepare_enable(&uart_clk); | ||
530 | |||
531 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
532 | |||
533 | mxs_timer_init(&clk32k_clk, MX23_INT_TIMER0); | ||
534 | |||
535 | return 0; | ||
536 | } | ||
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c deleted file mode 100644 index cea29c99e214..000000000000 --- a/arch/arm/mach-mxs/clock-mx28.c +++ /dev/null | |||
@@ -1,803 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License as published by | ||
6 | * the Free Software Foundation; either version 2 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along | ||
15 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
17 | */ | ||
18 | |||
19 | #include <linux/mm.h> | ||
20 | #include <linux/delay.h> | ||
21 | #include <linux/clk.h> | ||
22 | #include <linux/io.h> | ||
23 | #include <linux/jiffies.h> | ||
24 | #include <linux/clkdev.h> | ||
25 | #include <linux/spinlock.h> | ||
26 | |||
27 | #include <asm/clkdev.h> | ||
28 | #include <asm/div64.h> | ||
29 | |||
30 | #include <mach/mx28.h> | ||
31 | #include <mach/common.h> | ||
32 | #include <mach/clock.h> | ||
33 | #include <mach/digctl.h> | ||
34 | |||
35 | #include "regs-clkctrl-mx28.h" | ||
36 | |||
37 | #define CLKCTRL_BASE_ADDR MX28_IO_ADDRESS(MX28_CLKCTRL_BASE_ADDR) | ||
38 | #define DIGCTRL_BASE_ADDR MX28_IO_ADDRESS(MX28_DIGCTL_BASE_ADDR) | ||
39 | |||
40 | #define PARENT_RATE_SHIFT 8 | ||
41 | |||
42 | static struct clk pll2_clk; | ||
43 | static struct clk cpu_clk; | ||
44 | static struct clk emi_clk; | ||
45 | static struct clk saif0_clk; | ||
46 | static struct clk saif1_clk; | ||
47 | static struct clk clk32k_clk; | ||
48 | static DEFINE_SPINLOCK(clkmux_lock); | ||
49 | |||
50 | /* | ||
51 | * HW_SAIF_CLKMUX_SEL: | ||
52 | * DIRECT(0x0): SAIF0 clock pins selected for SAIF0 input clocks, and SAIF1 | ||
53 | * clock pins selected for SAIF1 input clocks. | ||
54 | * CROSSINPUT(0x1): SAIF1 clock inputs selected for SAIF0 input clocks, and | ||
55 | * SAIF0 clock inputs selected for SAIF1 input clocks. | ||
56 | * EXTMSTR0(0x2): SAIF0 clock pin selected for both SAIF0 and SAIF1 input | ||
57 | * clocks. | ||
58 | * EXTMSTR1(0x3): SAIF1 clock pin selected for both SAIF0 and SAIF1 input | ||
59 | * clocks. | ||
60 | */ | ||
61 | int mxs_saif_clkmux_select(unsigned int clkmux) | ||
62 | { | ||
63 | if (clkmux > 0x3) | ||
64 | return -EINVAL; | ||
65 | |||
66 | spin_lock(&clkmux_lock); | ||
67 | __raw_writel(BM_DIGCTL_CTRL_SAIF_CLKMUX, | ||
68 | DIGCTRL_BASE_ADDR + HW_DIGCTL_CTRL + MXS_CLR_ADDR); | ||
69 | __raw_writel(clkmux << BP_DIGCTL_CTRL_SAIF_CLKMUX, | ||
70 | DIGCTRL_BASE_ADDR + HW_DIGCTL_CTRL + MXS_SET_ADDR); | ||
71 | spin_unlock(&clkmux_lock); | ||
72 | |||
73 | return 0; | ||
74 | } | ||
75 | |||
76 | static int _raw_clk_enable(struct clk *clk) | ||
77 | { | ||
78 | u32 reg; | ||
79 | |||
80 | if (clk->enable_reg) { | ||
81 | reg = __raw_readl(clk->enable_reg); | ||
82 | reg &= ~(1 << clk->enable_shift); | ||
83 | __raw_writel(reg, clk->enable_reg); | ||
84 | } | ||
85 | |||
86 | return 0; | ||
87 | } | ||
88 | |||
89 | static void _raw_clk_disable(struct clk *clk) | ||
90 | { | ||
91 | u32 reg; | ||
92 | |||
93 | if (clk->enable_reg) { | ||
94 | reg = __raw_readl(clk->enable_reg); | ||
95 | reg |= 1 << clk->enable_shift; | ||
96 | __raw_writel(reg, clk->enable_reg); | ||
97 | } | ||
98 | } | ||
99 | |||
100 | /* | ||
101 | * ref_xtal_clk | ||
102 | */ | ||
103 | static unsigned long ref_xtal_clk_get_rate(struct clk *clk) | ||
104 | { | ||
105 | return 24000000; | ||
106 | } | ||
107 | |||
108 | static struct clk ref_xtal_clk = { | ||
109 | .get_rate = ref_xtal_clk_get_rate, | ||
110 | }; | ||
111 | |||
112 | /* | ||
113 | * pll_clk | ||
114 | */ | ||
115 | static unsigned long pll0_clk_get_rate(struct clk *clk) | ||
116 | { | ||
117 | return 480000000; | ||
118 | } | ||
119 | |||
120 | static unsigned long pll1_clk_get_rate(struct clk *clk) | ||
121 | { | ||
122 | return 480000000; | ||
123 | } | ||
124 | |||
125 | static unsigned long pll2_clk_get_rate(struct clk *clk) | ||
126 | { | ||
127 | return 50000000; | ||
128 | } | ||
129 | |||
130 | #define _CLK_ENABLE_PLL(name, r, g) \ | ||
131 | static int name##_enable(struct clk *clk) \ | ||
132 | { \ | ||
133 | __raw_writel(BM_CLKCTRL_##r##CTRL0_POWER, \ | ||
134 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_SET); \ | ||
135 | udelay(10); \ | ||
136 | \ | ||
137 | if (clk == &pll2_clk) \ | ||
138 | __raw_writel(BM_CLKCTRL_##r##CTRL0_##g, \ | ||
139 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_CLR); \ | ||
140 | else \ | ||
141 | __raw_writel(BM_CLKCTRL_##r##CTRL0_##g, \ | ||
142 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_SET); \ | ||
143 | \ | ||
144 | return 0; \ | ||
145 | } | ||
146 | |||
147 | _CLK_ENABLE_PLL(pll0_clk, PLL0, EN_USB_CLKS) | ||
148 | _CLK_ENABLE_PLL(pll1_clk, PLL1, EN_USB_CLKS) | ||
149 | _CLK_ENABLE_PLL(pll2_clk, PLL2, CLKGATE) | ||
150 | |||
151 | #define _CLK_DISABLE_PLL(name, r, g) \ | ||
152 | static void name##_disable(struct clk *clk) \ | ||
153 | { \ | ||
154 | __raw_writel(BM_CLKCTRL_##r##CTRL0_POWER, \ | ||
155 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_CLR); \ | ||
156 | \ | ||
157 | if (clk == &pll2_clk) \ | ||
158 | __raw_writel(BM_CLKCTRL_##r##CTRL0_##g, \ | ||
159 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_SET); \ | ||
160 | else \ | ||
161 | __raw_writel(BM_CLKCTRL_##r##CTRL0_##g, \ | ||
162 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_CLR); \ | ||
163 | \ | ||
164 | } | ||
165 | |||
166 | _CLK_DISABLE_PLL(pll0_clk, PLL0, EN_USB_CLKS) | ||
167 | _CLK_DISABLE_PLL(pll1_clk, PLL1, EN_USB_CLKS) | ||
168 | _CLK_DISABLE_PLL(pll2_clk, PLL2, CLKGATE) | ||
169 | |||
170 | #define _DEFINE_CLOCK_PLL(name) \ | ||
171 | static struct clk name = { \ | ||
172 | .get_rate = name##_get_rate, \ | ||
173 | .enable = name##_enable, \ | ||
174 | .disable = name##_disable, \ | ||
175 | .parent = &ref_xtal_clk, \ | ||
176 | } | ||
177 | |||
178 | _DEFINE_CLOCK_PLL(pll0_clk); | ||
179 | _DEFINE_CLOCK_PLL(pll1_clk); | ||
180 | _DEFINE_CLOCK_PLL(pll2_clk); | ||
181 | |||
182 | /* | ||
183 | * ref_clk | ||
184 | */ | ||
185 | #define _CLK_GET_RATE_REF(name, sr, ss) \ | ||
186 | static unsigned long name##_get_rate(struct clk *clk) \ | ||
187 | { \ | ||
188 | unsigned long parent_rate; \ | ||
189 | u32 reg, div; \ | ||
190 | \ | ||
191 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##sr); \ | ||
192 | div = (reg >> BP_CLKCTRL_##sr##_##ss##FRAC) & 0x3f; \ | ||
193 | parent_rate = clk_get_rate(clk->parent); \ | ||
194 | \ | ||
195 | return SH_DIV((parent_rate >> PARENT_RATE_SHIFT) * 18, \ | ||
196 | div, PARENT_RATE_SHIFT); \ | ||
197 | } | ||
198 | |||
199 | _CLK_GET_RATE_REF(ref_cpu_clk, FRAC0, CPU) | ||
200 | _CLK_GET_RATE_REF(ref_emi_clk, FRAC0, EMI) | ||
201 | _CLK_GET_RATE_REF(ref_io0_clk, FRAC0, IO0) | ||
202 | _CLK_GET_RATE_REF(ref_io1_clk, FRAC0, IO1) | ||
203 | _CLK_GET_RATE_REF(ref_pix_clk, FRAC1, PIX) | ||
204 | _CLK_GET_RATE_REF(ref_gpmi_clk, FRAC1, GPMI) | ||
205 | |||
206 | #define _DEFINE_CLOCK_REF(name, er, es) \ | ||
207 | static struct clk name = { \ | ||
208 | .enable_reg = CLKCTRL_BASE_ADDR + HW_CLKCTRL_##er, \ | ||
209 | .enable_shift = BP_CLKCTRL_##er##_CLKGATE##es, \ | ||
210 | .get_rate = name##_get_rate, \ | ||
211 | .enable = _raw_clk_enable, \ | ||
212 | .disable = _raw_clk_disable, \ | ||
213 | .parent = &pll0_clk, \ | ||
214 | } | ||
215 | |||
216 | _DEFINE_CLOCK_REF(ref_cpu_clk, FRAC0, CPU); | ||
217 | _DEFINE_CLOCK_REF(ref_emi_clk, FRAC0, EMI); | ||
218 | _DEFINE_CLOCK_REF(ref_io0_clk, FRAC0, IO0); | ||
219 | _DEFINE_CLOCK_REF(ref_io1_clk, FRAC0, IO1); | ||
220 | _DEFINE_CLOCK_REF(ref_pix_clk, FRAC1, PIX); | ||
221 | _DEFINE_CLOCK_REF(ref_gpmi_clk, FRAC1, GPMI); | ||
222 | |||
223 | /* | ||
224 | * General clocks | ||
225 | * | ||
226 | * clk_get_rate | ||
227 | */ | ||
228 | static unsigned long lradc_clk_get_rate(struct clk *clk) | ||
229 | { | ||
230 | return clk_get_rate(clk->parent) / 16; | ||
231 | } | ||
232 | |||
233 | static unsigned long rtc_clk_get_rate(struct clk *clk) | ||
234 | { | ||
235 | /* ref_xtal_clk is implemented as the only parent */ | ||
236 | return clk_get_rate(clk->parent) / 768; | ||
237 | } | ||
238 | |||
239 | static unsigned long clk32k_clk_get_rate(struct clk *clk) | ||
240 | { | ||
241 | return clk->parent->get_rate(clk->parent) / 750; | ||
242 | } | ||
243 | |||
244 | static unsigned long spdif_clk_get_rate(struct clk *clk) | ||
245 | { | ||
246 | return clk_get_rate(clk->parent) / 4; | ||
247 | } | ||
248 | |||
249 | #define _CLK_GET_RATE(name, rs) \ | ||
250 | static unsigned long name##_get_rate(struct clk *clk) \ | ||
251 | { \ | ||
252 | u32 reg, div; \ | ||
253 | \ | ||
254 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \ | ||
255 | \ | ||
256 | if (clk->parent == &ref_xtal_clk) \ | ||
257 | div = (reg & BM_CLKCTRL_##rs##_DIV_XTAL) >> \ | ||
258 | BP_CLKCTRL_##rs##_DIV_XTAL; \ | ||
259 | else \ | ||
260 | div = (reg & BM_CLKCTRL_##rs##_DIV_##rs) >> \ | ||
261 | BP_CLKCTRL_##rs##_DIV_##rs; \ | ||
262 | \ | ||
263 | if (!div) \ | ||
264 | return -EINVAL; \ | ||
265 | \ | ||
266 | return clk_get_rate(clk->parent) / div; \ | ||
267 | } | ||
268 | |||
269 | _CLK_GET_RATE(cpu_clk, CPU) | ||
270 | _CLK_GET_RATE(emi_clk, EMI) | ||
271 | |||
272 | #define _CLK_GET_RATE1(name, rs) \ | ||
273 | static unsigned long name##_get_rate(struct clk *clk) \ | ||
274 | { \ | ||
275 | u32 reg, div; \ | ||
276 | \ | ||
277 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \ | ||
278 | div = (reg & BM_CLKCTRL_##rs##_DIV) >> BP_CLKCTRL_##rs##_DIV; \ | ||
279 | \ | ||
280 | if (!div) \ | ||
281 | return -EINVAL; \ | ||
282 | \ | ||
283 | if (clk == &saif0_clk || clk == &saif1_clk) \ | ||
284 | return clk_get_rate(clk->parent) >> 16 * div; \ | ||
285 | else \ | ||
286 | return clk_get_rate(clk->parent) / div; \ | ||
287 | } | ||
288 | |||
289 | _CLK_GET_RATE1(hbus_clk, HBUS) | ||
290 | _CLK_GET_RATE1(xbus_clk, XBUS) | ||
291 | _CLK_GET_RATE1(ssp0_clk, SSP0) | ||
292 | _CLK_GET_RATE1(ssp1_clk, SSP1) | ||
293 | _CLK_GET_RATE1(ssp2_clk, SSP2) | ||
294 | _CLK_GET_RATE1(ssp3_clk, SSP3) | ||
295 | _CLK_GET_RATE1(gpmi_clk, GPMI) | ||
296 | _CLK_GET_RATE1(lcdif_clk, DIS_LCDIF) | ||
297 | _CLK_GET_RATE1(saif0_clk, SAIF0) | ||
298 | _CLK_GET_RATE1(saif1_clk, SAIF1) | ||
299 | |||
300 | #define _CLK_GET_RATE_STUB(name) \ | ||
301 | static unsigned long name##_get_rate(struct clk *clk) \ | ||
302 | { \ | ||
303 | return clk_get_rate(clk->parent); \ | ||
304 | } | ||
305 | |||
306 | _CLK_GET_RATE_STUB(uart_clk) | ||
307 | _CLK_GET_RATE_STUB(pwm_clk) | ||
308 | _CLK_GET_RATE_STUB(can0_clk) | ||
309 | _CLK_GET_RATE_STUB(can1_clk) | ||
310 | _CLK_GET_RATE_STUB(fec_clk) | ||
311 | |||
312 | /* | ||
313 | * clk_set_rate | ||
314 | */ | ||
315 | /* fool compiler */ | ||
316 | #define BM_CLKCTRL_CPU_DIV 0 | ||
317 | #define BP_CLKCTRL_CPU_DIV 0 | ||
318 | #define BM_CLKCTRL_CPU_BUSY 0 | ||
319 | |||
320 | #define _CLK_SET_RATE(name, dr, fr, fs) \ | ||
321 | static int name##_set_rate(struct clk *clk, unsigned long rate) \ | ||
322 | { \ | ||
323 | u32 reg, bm_busy, div_max, d, f, div, frac; \ | ||
324 | unsigned long diff, parent_rate, calc_rate; \ | ||
325 | \ | ||
326 | div_max = BM_CLKCTRL_##dr##_DIV >> BP_CLKCTRL_##dr##_DIV; \ | ||
327 | bm_busy = BM_CLKCTRL_##dr##_BUSY; \ | ||
328 | \ | ||
329 | if (clk->parent == &ref_xtal_clk) { \ | ||
330 | parent_rate = clk_get_rate(clk->parent); \ | ||
331 | div = DIV_ROUND_UP(parent_rate, rate); \ | ||
332 | if (clk == &cpu_clk) { \ | ||
333 | div_max = BM_CLKCTRL_CPU_DIV_XTAL >> \ | ||
334 | BP_CLKCTRL_CPU_DIV_XTAL; \ | ||
335 | bm_busy = BM_CLKCTRL_CPU_BUSY_REF_XTAL; \ | ||
336 | } \ | ||
337 | if (div == 0 || div > div_max) \ | ||
338 | return -EINVAL; \ | ||
339 | } else { \ | ||
340 | /* \ | ||
341 | * hack alert: this block modifies clk->parent, too, \ | ||
342 | * so the base to use it the grand parent. \ | ||
343 | */ \ | ||
344 | parent_rate = clk_get_rate(clk->parent->parent); \ | ||
345 | rate >>= PARENT_RATE_SHIFT; \ | ||
346 | parent_rate >>= PARENT_RATE_SHIFT; \ | ||
347 | diff = parent_rate; \ | ||
348 | div = frac = 1; \ | ||
349 | if (clk == &cpu_clk) { \ | ||
350 | div_max = BM_CLKCTRL_CPU_DIV_CPU >> \ | ||
351 | BP_CLKCTRL_CPU_DIV_CPU; \ | ||
352 | bm_busy = BM_CLKCTRL_CPU_BUSY_REF_CPU; \ | ||
353 | } \ | ||
354 | for (d = 1; d <= div_max; d++) { \ | ||
355 | f = parent_rate * 18 / d / rate; \ | ||
356 | if ((parent_rate * 18 / d) % rate) \ | ||
357 | f++; \ | ||
358 | if (f < 18 || f > 35) \ | ||
359 | continue; \ | ||
360 | \ | ||
361 | calc_rate = parent_rate * 18 / f / d; \ | ||
362 | if (calc_rate > rate) \ | ||
363 | continue; \ | ||
364 | \ | ||
365 | if (rate - calc_rate < diff) { \ | ||
366 | frac = f; \ | ||
367 | div = d; \ | ||
368 | diff = rate - calc_rate; \ | ||
369 | } \ | ||
370 | \ | ||
371 | if (diff == 0) \ | ||
372 | break; \ | ||
373 | } \ | ||
374 | \ | ||
375 | if (diff == parent_rate) \ | ||
376 | return -EINVAL; \ | ||
377 | \ | ||
378 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##fr); \ | ||
379 | reg &= ~BM_CLKCTRL_##fr##_##fs##FRAC; \ | ||
380 | reg |= frac << BP_CLKCTRL_##fr##_##fs##FRAC; \ | ||
381 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##fr); \ | ||
382 | } \ | ||
383 | \ | ||
384 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ | ||
385 | if (clk == &cpu_clk) { \ | ||
386 | reg &= ~BM_CLKCTRL_CPU_DIV_CPU; \ | ||
387 | reg |= div << BP_CLKCTRL_CPU_DIV_CPU; \ | ||
388 | } else { \ | ||
389 | reg &= ~BM_CLKCTRL_##dr##_DIV; \ | ||
390 | reg |= div << BP_CLKCTRL_##dr##_DIV; \ | ||
391 | if (reg & (1 << clk->enable_shift)) { \ | ||
392 | pr_err("%s: clock is gated\n", __func__); \ | ||
393 | return -EINVAL; \ | ||
394 | } \ | ||
395 | } \ | ||
396 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ | ||
397 | \ | ||
398 | return mxs_clkctrl_timeout(HW_CLKCTRL_##dr, bm_busy); \ | ||
399 | } | ||
400 | |||
401 | _CLK_SET_RATE(cpu_clk, CPU, FRAC0, CPU) | ||
402 | _CLK_SET_RATE(ssp0_clk, SSP0, FRAC0, IO0) | ||
403 | _CLK_SET_RATE(ssp1_clk, SSP1, FRAC0, IO0) | ||
404 | _CLK_SET_RATE(ssp2_clk, SSP2, FRAC0, IO1) | ||
405 | _CLK_SET_RATE(ssp3_clk, SSP3, FRAC0, IO1) | ||
406 | _CLK_SET_RATE(lcdif_clk, DIS_LCDIF, FRAC1, PIX) | ||
407 | _CLK_SET_RATE(gpmi_clk, GPMI, FRAC1, GPMI) | ||
408 | |||
409 | #define _CLK_SET_RATE1(name, dr) \ | ||
410 | static int name##_set_rate(struct clk *clk, unsigned long rate) \ | ||
411 | { \ | ||
412 | u32 reg, div_max, div; \ | ||
413 | unsigned long parent_rate; \ | ||
414 | \ | ||
415 | parent_rate = clk_get_rate(clk->parent); \ | ||
416 | div_max = BM_CLKCTRL_##dr##_DIV >> BP_CLKCTRL_##dr##_DIV; \ | ||
417 | \ | ||
418 | div = DIV_ROUND_UP(parent_rate, rate); \ | ||
419 | if (div == 0 || div > div_max) \ | ||
420 | return -EINVAL; \ | ||
421 | \ | ||
422 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ | ||
423 | reg &= ~BM_CLKCTRL_##dr##_DIV; \ | ||
424 | reg |= div << BP_CLKCTRL_##dr##_DIV; \ | ||
425 | if (reg & (1 << clk->enable_shift)) { \ | ||
426 | pr_err("%s: clock is gated\n", __func__); \ | ||
427 | return -EINVAL; \ | ||
428 | } \ | ||
429 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ | ||
430 | \ | ||
431 | return mxs_clkctrl_timeout(HW_CLKCTRL_##dr, BM_CLKCTRL_##dr##_BUSY);\ | ||
432 | } | ||
433 | |||
434 | _CLK_SET_RATE1(xbus_clk, XBUS) | ||
435 | |||
436 | /* saif clock uses 16 bits frac div */ | ||
437 | #define _CLK_SET_RATE_SAIF(name, rs) \ | ||
438 | static int name##_set_rate(struct clk *clk, unsigned long rate) \ | ||
439 | { \ | ||
440 | u16 div; \ | ||
441 | u32 reg; \ | ||
442 | u64 lrate; \ | ||
443 | unsigned long parent_rate; \ | ||
444 | \ | ||
445 | parent_rate = clk_get_rate(clk->parent); \ | ||
446 | if (rate > parent_rate) \ | ||
447 | return -EINVAL; \ | ||
448 | \ | ||
449 | lrate = (u64)rate << 16; \ | ||
450 | do_div(lrate, parent_rate); \ | ||
451 | div = (u16)lrate; \ | ||
452 | \ | ||
453 | if (!div) \ | ||
454 | return -EINVAL; \ | ||
455 | \ | ||
456 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \ | ||
457 | reg &= ~BM_CLKCTRL_##rs##_DIV; \ | ||
458 | reg |= div << BP_CLKCTRL_##rs##_DIV; \ | ||
459 | if (reg & (1 << clk->enable_shift)) { \ | ||
460 | pr_err("%s: clock is gated\n", __func__); \ | ||
461 | return -EINVAL; \ | ||
462 | } \ | ||
463 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \ | ||
464 | \ | ||
465 | return mxs_clkctrl_timeout(HW_CLKCTRL_##rs, BM_CLKCTRL_##rs##_BUSY);\ | ||
466 | } | ||
467 | |||
468 | _CLK_SET_RATE_SAIF(saif0_clk, SAIF0) | ||
469 | _CLK_SET_RATE_SAIF(saif1_clk, SAIF1) | ||
470 | |||
471 | #define _CLK_SET_RATE_STUB(name) \ | ||
472 | static int name##_set_rate(struct clk *clk, unsigned long rate) \ | ||
473 | { \ | ||
474 | return -EINVAL; \ | ||
475 | } | ||
476 | |||
477 | _CLK_SET_RATE_STUB(emi_clk) | ||
478 | _CLK_SET_RATE_STUB(uart_clk) | ||
479 | _CLK_SET_RATE_STUB(pwm_clk) | ||
480 | _CLK_SET_RATE_STUB(spdif_clk) | ||
481 | _CLK_SET_RATE_STUB(clk32k_clk) | ||
482 | _CLK_SET_RATE_STUB(can0_clk) | ||
483 | _CLK_SET_RATE_STUB(can1_clk) | ||
484 | _CLK_SET_RATE_STUB(fec_clk) | ||
485 | |||
486 | /* | ||
487 | * clk_set_parent | ||
488 | */ | ||
489 | #define _CLK_SET_PARENT(name, bit) \ | ||
490 | static int name##_set_parent(struct clk *clk, struct clk *parent) \ | ||
491 | { \ | ||
492 | if (parent != clk->parent) { \ | ||
493 | __raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \ | ||
494 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \ | ||
495 | clk->parent = parent; \ | ||
496 | } \ | ||
497 | \ | ||
498 | return 0; \ | ||
499 | } | ||
500 | |||
501 | _CLK_SET_PARENT(cpu_clk, CPU) | ||
502 | _CLK_SET_PARENT(emi_clk, EMI) | ||
503 | _CLK_SET_PARENT(ssp0_clk, SSP0) | ||
504 | _CLK_SET_PARENT(ssp1_clk, SSP1) | ||
505 | _CLK_SET_PARENT(ssp2_clk, SSP2) | ||
506 | _CLK_SET_PARENT(ssp3_clk, SSP3) | ||
507 | _CLK_SET_PARENT(lcdif_clk, DIS_LCDIF) | ||
508 | _CLK_SET_PARENT(gpmi_clk, GPMI) | ||
509 | _CLK_SET_PARENT(saif0_clk, SAIF0) | ||
510 | _CLK_SET_PARENT(saif1_clk, SAIF1) | ||
511 | |||
512 | #define _CLK_SET_PARENT_STUB(name) \ | ||
513 | static int name##_set_parent(struct clk *clk, struct clk *parent) \ | ||
514 | { \ | ||
515 | if (parent != clk->parent) \ | ||
516 | return -EINVAL; \ | ||
517 | else \ | ||
518 | return 0; \ | ||
519 | } | ||
520 | |||
521 | _CLK_SET_PARENT_STUB(pwm_clk) | ||
522 | _CLK_SET_PARENT_STUB(uart_clk) | ||
523 | _CLK_SET_PARENT_STUB(clk32k_clk) | ||
524 | _CLK_SET_PARENT_STUB(spdif_clk) | ||
525 | _CLK_SET_PARENT_STUB(fec_clk) | ||
526 | _CLK_SET_PARENT_STUB(can0_clk) | ||
527 | _CLK_SET_PARENT_STUB(can1_clk) | ||
528 | |||
529 | /* | ||
530 | * clk definition | ||
531 | */ | ||
532 | static struct clk cpu_clk = { | ||
533 | .get_rate = cpu_clk_get_rate, | ||
534 | .set_rate = cpu_clk_set_rate, | ||
535 | .set_parent = cpu_clk_set_parent, | ||
536 | .parent = &ref_cpu_clk, | ||
537 | }; | ||
538 | |||
539 | static struct clk hbus_clk = { | ||
540 | .get_rate = hbus_clk_get_rate, | ||
541 | .parent = &cpu_clk, | ||
542 | }; | ||
543 | |||
544 | static struct clk xbus_clk = { | ||
545 | .get_rate = xbus_clk_get_rate, | ||
546 | .set_rate = xbus_clk_set_rate, | ||
547 | .parent = &ref_xtal_clk, | ||
548 | }; | ||
549 | |||
550 | static struct clk lradc_clk = { | ||
551 | .get_rate = lradc_clk_get_rate, | ||
552 | .parent = &clk32k_clk, | ||
553 | }; | ||
554 | |||
555 | static struct clk rtc_clk = { | ||
556 | .get_rate = rtc_clk_get_rate, | ||
557 | .parent = &ref_xtal_clk, | ||
558 | }; | ||
559 | |||
560 | /* usb_clk gate is controlled in DIGCTRL other than CLKCTRL */ | ||
561 | static struct clk usb0_clk = { | ||
562 | .enable_reg = DIGCTRL_BASE_ADDR, | ||
563 | .enable_shift = 2, | ||
564 | .enable = _raw_clk_enable, | ||
565 | .disable = _raw_clk_disable, | ||
566 | .parent = &pll0_clk, | ||
567 | }; | ||
568 | |||
569 | static struct clk usb1_clk = { | ||
570 | .enable_reg = DIGCTRL_BASE_ADDR, | ||
571 | .enable_shift = 16, | ||
572 | .enable = _raw_clk_enable, | ||
573 | .disable = _raw_clk_disable, | ||
574 | .parent = &pll1_clk, | ||
575 | }; | ||
576 | |||
577 | #define _DEFINE_CLOCK(name, er, es, p) \ | ||
578 | static struct clk name = { \ | ||
579 | .enable_reg = CLKCTRL_BASE_ADDR + HW_CLKCTRL_##er, \ | ||
580 | .enable_shift = BP_CLKCTRL_##er##_##es, \ | ||
581 | .get_rate = name##_get_rate, \ | ||
582 | .set_rate = name##_set_rate, \ | ||
583 | .set_parent = name##_set_parent, \ | ||
584 | .enable = _raw_clk_enable, \ | ||
585 | .disable = _raw_clk_disable, \ | ||
586 | .parent = p, \ | ||
587 | } | ||
588 | |||
589 | _DEFINE_CLOCK(emi_clk, EMI, CLKGATE, &ref_xtal_clk); | ||
590 | _DEFINE_CLOCK(ssp0_clk, SSP0, CLKGATE, &ref_xtal_clk); | ||
591 | _DEFINE_CLOCK(ssp1_clk, SSP1, CLKGATE, &ref_xtal_clk); | ||
592 | _DEFINE_CLOCK(ssp2_clk, SSP2, CLKGATE, &ref_xtal_clk); | ||
593 | _DEFINE_CLOCK(ssp3_clk, SSP3, CLKGATE, &ref_xtal_clk); | ||
594 | _DEFINE_CLOCK(lcdif_clk, DIS_LCDIF, CLKGATE, &ref_xtal_clk); | ||
595 | _DEFINE_CLOCK(gpmi_clk, GPMI, CLKGATE, &ref_xtal_clk); | ||
596 | _DEFINE_CLOCK(saif0_clk, SAIF0, CLKGATE, &ref_xtal_clk); | ||
597 | _DEFINE_CLOCK(saif1_clk, SAIF1, CLKGATE, &ref_xtal_clk); | ||
598 | _DEFINE_CLOCK(can0_clk, FLEXCAN, STOP_CAN0, &ref_xtal_clk); | ||
599 | _DEFINE_CLOCK(can1_clk, FLEXCAN, STOP_CAN1, &ref_xtal_clk); | ||
600 | _DEFINE_CLOCK(pwm_clk, XTAL, PWM_CLK24M_GATE, &ref_xtal_clk); | ||
601 | _DEFINE_CLOCK(uart_clk, XTAL, UART_CLK_GATE, &ref_xtal_clk); | ||
602 | _DEFINE_CLOCK(clk32k_clk, XTAL, TIMROT_CLK32K_GATE, &ref_xtal_clk); | ||
603 | _DEFINE_CLOCK(spdif_clk, SPDIF, CLKGATE, &pll0_clk); | ||
604 | _DEFINE_CLOCK(fec_clk, ENET, DISABLE, &hbus_clk); | ||
605 | |||
606 | #define _REGISTER_CLOCK(d, n, c) \ | ||
607 | { \ | ||
608 | .dev_id = d, \ | ||
609 | .con_id = n, \ | ||
610 | .clk = &c, \ | ||
611 | }, | ||
612 | |||
613 | static struct clk_lookup lookups[] = { | ||
614 | /* for amba bus driver */ | ||
615 | _REGISTER_CLOCK("duart", "apb_pclk", xbus_clk) | ||
616 | /* for amba-pl011 driver */ | ||
617 | _REGISTER_CLOCK("duart", NULL, uart_clk) | ||
618 | _REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk) | ||
619 | _REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk) | ||
620 | _REGISTER_CLOCK("imx28-gpmi-nand", NULL, gpmi_clk) | ||
621 | _REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk) | ||
622 | _REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk) | ||
623 | _REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk) | ||
624 | _REGISTER_CLOCK("mxs-auart.3", NULL, uart_clk) | ||
625 | _REGISTER_CLOCK("mxs-auart.4", NULL, uart_clk) | ||
626 | _REGISTER_CLOCK("rtc", NULL, rtc_clk) | ||
627 | _REGISTER_CLOCK("pll2", NULL, pll2_clk) | ||
628 | _REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk) | ||
629 | _REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk) | ||
630 | _REGISTER_CLOCK("mxs-mmc.0", NULL, ssp0_clk) | ||
631 | _REGISTER_CLOCK("mxs-mmc.1", NULL, ssp1_clk) | ||
632 | _REGISTER_CLOCK("mxs-mmc.2", NULL, ssp2_clk) | ||
633 | _REGISTER_CLOCK("mxs-mmc.3", NULL, ssp3_clk) | ||
634 | _REGISTER_CLOCK("flexcan.0", NULL, can0_clk) | ||
635 | _REGISTER_CLOCK("flexcan.1", NULL, can1_clk) | ||
636 | _REGISTER_CLOCK(NULL, "usb0", usb0_clk) | ||
637 | _REGISTER_CLOCK(NULL, "usb1", usb1_clk) | ||
638 | _REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk) | ||
639 | _REGISTER_CLOCK("mxs-pwm.1", NULL, pwm_clk) | ||
640 | _REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk) | ||
641 | _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk) | ||
642 | _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk) | ||
643 | _REGISTER_CLOCK("mxs-pwm.5", NULL, pwm_clk) | ||
644 | _REGISTER_CLOCK("mxs-pwm.6", NULL, pwm_clk) | ||
645 | _REGISTER_CLOCK("mxs-pwm.7", NULL, pwm_clk) | ||
646 | _REGISTER_CLOCK(NULL, "lradc", lradc_clk) | ||
647 | _REGISTER_CLOCK(NULL, "spdif", spdif_clk) | ||
648 | _REGISTER_CLOCK("imx28-fb", NULL, lcdif_clk) | ||
649 | _REGISTER_CLOCK("mxs-saif.0", NULL, saif0_clk) | ||
650 | _REGISTER_CLOCK("mxs-saif.1", NULL, saif1_clk) | ||
651 | }; | ||
652 | |||
653 | static int clk_misc_init(void) | ||
654 | { | ||
655 | u32 reg; | ||
656 | int ret; | ||
657 | |||
658 | /* Fix up parent per register setting */ | ||
659 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ); | ||
660 | cpu_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_CPU) ? | ||
661 | &ref_xtal_clk : &ref_cpu_clk; | ||
662 | emi_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_EMI) ? | ||
663 | &ref_xtal_clk : &ref_emi_clk; | ||
664 | ssp0_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP0) ? | ||
665 | &ref_xtal_clk : &ref_io0_clk; | ||
666 | ssp1_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP1) ? | ||
667 | &ref_xtal_clk : &ref_io0_clk; | ||
668 | ssp2_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP2) ? | ||
669 | &ref_xtal_clk : &ref_io1_clk; | ||
670 | ssp3_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP3) ? | ||
671 | &ref_xtal_clk : &ref_io1_clk; | ||
672 | lcdif_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF) ? | ||
673 | &ref_xtal_clk : &ref_pix_clk; | ||
674 | gpmi_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_GPMI) ? | ||
675 | &ref_xtal_clk : &ref_gpmi_clk; | ||
676 | saif0_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SAIF0) ? | ||
677 | &ref_xtal_clk : &pll0_clk; | ||
678 | saif1_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SAIF1) ? | ||
679 | &ref_xtal_clk : &pll0_clk; | ||
680 | |||
681 | /* Use int div over frac when both are available */ | ||
682 | __raw_writel(BM_CLKCTRL_CPU_DIV_XTAL_FRAC_EN, | ||
683 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_CLR); | ||
684 | __raw_writel(BM_CLKCTRL_CPU_DIV_CPU_FRAC_EN, | ||
685 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_CLR); | ||
686 | __raw_writel(BM_CLKCTRL_HBUS_DIV_FRAC_EN, | ||
687 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS_CLR); | ||
688 | |||
689 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_XBUS); | ||
690 | reg &= ~BM_CLKCTRL_XBUS_DIV_FRAC_EN; | ||
691 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_XBUS); | ||
692 | |||
693 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP0); | ||
694 | reg &= ~BM_CLKCTRL_SSP0_DIV_FRAC_EN; | ||
695 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP0); | ||
696 | |||
697 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP1); | ||
698 | reg &= ~BM_CLKCTRL_SSP1_DIV_FRAC_EN; | ||
699 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP1); | ||
700 | |||
701 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP2); | ||
702 | reg &= ~BM_CLKCTRL_SSP2_DIV_FRAC_EN; | ||
703 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP2); | ||
704 | |||
705 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP3); | ||
706 | reg &= ~BM_CLKCTRL_SSP3_DIV_FRAC_EN; | ||
707 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP3); | ||
708 | |||
709 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_GPMI); | ||
710 | reg &= ~BM_CLKCTRL_GPMI_DIV_FRAC_EN; | ||
711 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_GPMI); | ||
712 | |||
713 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_DIS_LCDIF); | ||
714 | reg &= ~BM_CLKCTRL_DIS_LCDIF_DIV_FRAC_EN; | ||
715 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_DIS_LCDIF); | ||
716 | |||
717 | /* SAIF has to use frac div for functional operation */ | ||
718 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF0); | ||
719 | reg |= BM_CLKCTRL_SAIF0_DIV_FRAC_EN; | ||
720 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF0); | ||
721 | |||
722 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF1); | ||
723 | reg |= BM_CLKCTRL_SAIF1_DIV_FRAC_EN; | ||
724 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF1); | ||
725 | |||
726 | /* | ||
727 | * Set safe hbus clock divider. A divider of 3 ensure that | ||
728 | * the Vddd voltage required for the cpu clock is sufficiently | ||
729 | * high for the hbus clock. | ||
730 | */ | ||
731 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS); | ||
732 | reg &= BM_CLKCTRL_HBUS_DIV; | ||
733 | reg |= 3 << BP_CLKCTRL_HBUS_DIV; | ||
734 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS); | ||
735 | |||
736 | ret = mxs_clkctrl_timeout(HW_CLKCTRL_HBUS, BM_CLKCTRL_HBUS_ASM_BUSY); | ||
737 | |||
738 | /* Gate off cpu clock in WFI for power saving */ | ||
739 | __raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT, | ||
740 | CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET); | ||
741 | |||
742 | /* | ||
743 | * Extra fec clock setting | ||
744 | * The DENX M28 uses an external clock source | ||
745 | * and the clock output must not be enabled | ||
746 | */ | ||
747 | if (!machine_is_m28evk()) { | ||
748 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET); | ||
749 | reg &= ~BM_CLKCTRL_ENET_SLEEP; | ||
750 | reg |= BM_CLKCTRL_ENET_CLK_OUT_EN; | ||
751 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET); | ||
752 | } | ||
753 | |||
754 | /* | ||
755 | * 480 MHz seems too high to be ssp clock source directly, | ||
756 | * so set frac0 to get a 288 MHz ref_io0. | ||
757 | */ | ||
758 | reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0); | ||
759 | reg &= ~BM_CLKCTRL_FRAC0_IO0FRAC; | ||
760 | reg |= 30 << BP_CLKCTRL_FRAC0_IO0FRAC; | ||
761 | __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0); | ||
762 | |||
763 | return ret; | ||
764 | } | ||
765 | |||
766 | int __init mx28_clocks_init(void) | ||
767 | { | ||
768 | clk_misc_init(); | ||
769 | |||
770 | /* | ||
771 | * source ssp clock from ref_io0 than ref_xtal, | ||
772 | * as ref_xtal only provides 24 MHz as maximum. | ||
773 | */ | ||
774 | clk_set_parent(&ssp0_clk, &ref_io0_clk); | ||
775 | clk_set_parent(&ssp1_clk, &ref_io0_clk); | ||
776 | clk_set_parent(&ssp2_clk, &ref_io1_clk); | ||
777 | clk_set_parent(&ssp3_clk, &ref_io1_clk); | ||
778 | |||
779 | clk_prepare_enable(&cpu_clk); | ||
780 | clk_prepare_enable(&hbus_clk); | ||
781 | clk_prepare_enable(&xbus_clk); | ||
782 | clk_prepare_enable(&emi_clk); | ||
783 | clk_prepare_enable(&uart_clk); | ||
784 | |||
785 | clk_set_parent(&lcdif_clk, &ref_pix_clk); | ||
786 | clk_set_parent(&saif0_clk, &pll0_clk); | ||
787 | clk_set_parent(&saif1_clk, &pll0_clk); | ||
788 | |||
789 | /* | ||
790 | * Set an initial clock rate for the saif internal logic to work | ||
791 | * properly. This is important when working in EXTMASTER mode that | ||
792 | * uses the other saif's BITCLK&LRCLK but it still needs a basic | ||
793 | * clock which should be fast enough for the internal logic. | ||
794 | */ | ||
795 | clk_set_rate(&saif0_clk, 24000000); | ||
796 | clk_set_rate(&saif1_clk, 24000000); | ||
797 | |||
798 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
799 | |||
800 | mxs_timer_init(&clk32k_clk, MX28_INT_TIMER0); | ||
801 | |||
802 | return 0; | ||
803 | } | ||
diff --git a/arch/arm/mach-mxs/clock.c b/arch/arm/mach-mxs/clock.c deleted file mode 100644 index 97a6f4acc6cc..000000000000 --- a/arch/arm/mach-mxs/clock.c +++ /dev/null | |||
@@ -1,211 +0,0 @@ | |||
1 | /* | ||
2 | * Based on arch/arm/plat-omap/clock.c | ||
3 | * | ||
4 | * Copyright (C) 2004 - 2005 Nokia corporation | ||
5 | * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> | ||
6 | * Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com> | ||
7 | * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
8 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or | ||
11 | * modify it under the terms of the GNU General Public License | ||
12 | * as published by the Free Software Foundation; either version 2 | ||
13 | * of the License, or (at your option) any later version. | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
22 | * MA 02110-1301, USA. | ||
23 | */ | ||
24 | |||
25 | /* #define DEBUG */ | ||
26 | |||
27 | #include <linux/clk.h> | ||
28 | #include <linux/err.h> | ||
29 | #include <linux/errno.h> | ||
30 | #include <linux/init.h> | ||
31 | #include <linux/io.h> | ||
32 | #include <linux/kernel.h> | ||
33 | #include <linux/list.h> | ||
34 | #include <linux/module.h> | ||
35 | #include <linux/mutex.h> | ||
36 | #include <linux/platform_device.h> | ||
37 | #include <linux/proc_fs.h> | ||
38 | #include <linux/semaphore.h> | ||
39 | #include <linux/string.h> | ||
40 | |||
41 | #include <mach/clock.h> | ||
42 | |||
43 | static LIST_HEAD(clocks); | ||
44 | static DEFINE_MUTEX(clocks_mutex); | ||
45 | |||
46 | /*------------------------------------------------------------------------- | ||
47 | * Standard clock functions defined in include/linux/clk.h | ||
48 | *-------------------------------------------------------------------------*/ | ||
49 | |||
50 | static void __clk_disable(struct clk *clk) | ||
51 | { | ||
52 | if (clk == NULL || IS_ERR(clk)) | ||
53 | return; | ||
54 | WARN_ON(!clk->usecount); | ||
55 | |||
56 | if (!(--clk->usecount)) { | ||
57 | if (clk->disable) | ||
58 | clk->disable(clk); | ||
59 | __clk_disable(clk->parent); | ||
60 | } | ||
61 | } | ||
62 | |||
63 | static int __clk_enable(struct clk *clk) | ||
64 | { | ||
65 | if (clk == NULL || IS_ERR(clk)) | ||
66 | return -EINVAL; | ||
67 | |||
68 | if (clk->usecount++ == 0) { | ||
69 | __clk_enable(clk->parent); | ||
70 | |||
71 | if (clk->enable) | ||
72 | clk->enable(clk); | ||
73 | } | ||
74 | return 0; | ||
75 | } | ||
76 | |||
77 | /* | ||
78 | * The clk_enable/clk_disable could be called by drivers in atomic context, | ||
79 | * so they should not really hold mutex. Instead, clk_prepare/clk_unprepare | ||
80 | * can hold a mutex, as the pair will only be called in non-atomic context. | ||
81 | * Before migrating to common clk framework, we can have __clk_enable and | ||
82 | * __clk_disable called in clk_prepare/clk_unprepare with mutex held and | ||
83 | * leave clk_enable/clk_disable as the dummy functions. | ||
84 | */ | ||
85 | int clk_prepare(struct clk *clk) | ||
86 | { | ||
87 | int ret = 0; | ||
88 | |||
89 | if (clk == NULL || IS_ERR(clk)) | ||
90 | return -EINVAL; | ||
91 | |||
92 | mutex_lock(&clocks_mutex); | ||
93 | ret = __clk_enable(clk); | ||
94 | mutex_unlock(&clocks_mutex); | ||
95 | |||
96 | return ret; | ||
97 | } | ||
98 | EXPORT_SYMBOL(clk_prepare); | ||
99 | |||
100 | void clk_unprepare(struct clk *clk) | ||
101 | { | ||
102 | if (clk == NULL || IS_ERR(clk)) | ||
103 | return; | ||
104 | |||
105 | mutex_lock(&clocks_mutex); | ||
106 | __clk_disable(clk); | ||
107 | mutex_unlock(&clocks_mutex); | ||
108 | } | ||
109 | EXPORT_SYMBOL(clk_unprepare); | ||
110 | |||
111 | int clk_enable(struct clk *clk) | ||
112 | { | ||
113 | return 0; | ||
114 | } | ||
115 | EXPORT_SYMBOL(clk_enable); | ||
116 | |||
117 | void clk_disable(struct clk *clk) | ||
118 | { | ||
119 | /* nothing to do */ | ||
120 | } | ||
121 | EXPORT_SYMBOL(clk_disable); | ||
122 | |||
123 | /* Retrieve the *current* clock rate. If the clock itself | ||
124 | * does not provide a special calculation routine, ask | ||
125 | * its parent and so on, until one is able to return | ||
126 | * a valid clock rate | ||
127 | */ | ||
128 | unsigned long clk_get_rate(struct clk *clk) | ||
129 | { | ||
130 | if (clk == NULL || IS_ERR(clk)) | ||
131 | return 0UL; | ||
132 | |||
133 | if (clk->get_rate) | ||
134 | return clk->get_rate(clk); | ||
135 | |||
136 | return clk_get_rate(clk->parent); | ||
137 | } | ||
138 | EXPORT_SYMBOL(clk_get_rate); | ||
139 | |||
140 | /* Round the requested clock rate to the nearest supported | ||
141 | * rate that is less than or equal to the requested rate. | ||
142 | * This is dependent on the clock's current parent. | ||
143 | */ | ||
144 | long clk_round_rate(struct clk *clk, unsigned long rate) | ||
145 | { | ||
146 | if (clk == NULL || IS_ERR(clk) || !clk->round_rate) | ||
147 | return 0; | ||
148 | |||
149 | return clk->round_rate(clk, rate); | ||
150 | } | ||
151 | EXPORT_SYMBOL(clk_round_rate); | ||
152 | |||
153 | /* Set the clock to the requested clock rate. The rate must | ||
154 | * match a supported rate exactly based on what clk_round_rate returns | ||
155 | */ | ||
156 | int clk_set_rate(struct clk *clk, unsigned long rate) | ||
157 | { | ||
158 | int ret = -EINVAL; | ||
159 | |||
160 | if (clk == NULL || IS_ERR(clk) || clk->set_rate == NULL || rate == 0) | ||
161 | return ret; | ||
162 | |||
163 | mutex_lock(&clocks_mutex); | ||
164 | ret = clk->set_rate(clk, rate); | ||
165 | mutex_unlock(&clocks_mutex); | ||
166 | |||
167 | return ret; | ||
168 | } | ||
169 | EXPORT_SYMBOL(clk_set_rate); | ||
170 | |||
171 | /* Set the clock's parent to another clock source */ | ||
172 | int clk_set_parent(struct clk *clk, struct clk *parent) | ||
173 | { | ||
174 | int ret = -EINVAL; | ||
175 | struct clk *old; | ||
176 | |||
177 | if (clk == NULL || IS_ERR(clk) || parent == NULL || | ||
178 | IS_ERR(parent) || clk->set_parent == NULL) | ||
179 | return ret; | ||
180 | |||
181 | if (clk->usecount) | ||
182 | clk_prepare_enable(parent); | ||
183 | |||
184 | mutex_lock(&clocks_mutex); | ||
185 | ret = clk->set_parent(clk, parent); | ||
186 | if (ret == 0) { | ||
187 | old = clk->parent; | ||
188 | clk->parent = parent; | ||
189 | } else { | ||
190 | old = parent; | ||
191 | } | ||
192 | mutex_unlock(&clocks_mutex); | ||
193 | |||
194 | if (clk->usecount) | ||
195 | clk_disable(old); | ||
196 | |||
197 | return ret; | ||
198 | } | ||
199 | EXPORT_SYMBOL(clk_set_parent); | ||
200 | |||
201 | /* Retrieve the clock's parent clock source */ | ||
202 | struct clk *clk_get_parent(struct clk *clk) | ||
203 | { | ||
204 | struct clk *ret = NULL; | ||
205 | |||
206 | if (clk == NULL || IS_ERR(clk)) | ||
207 | return ret; | ||
208 | |||
209 | return clk->parent; | ||
210 | } | ||
211 | EXPORT_SYMBOL(clk_get_parent); | ||
diff --git a/arch/arm/mach-mxs/include/mach/clock.h b/arch/arm/mach-mxs/include/mach/clock.h deleted file mode 100644 index 592c9ab5d760..000000000000 --- a/arch/arm/mach-mxs/include/mach/clock.h +++ /dev/null | |||
@@ -1,62 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
17 | * MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | #ifndef __MACH_MXS_CLOCK_H__ | ||
21 | #define __MACH_MXS_CLOCK_H__ | ||
22 | |||
23 | #ifndef __ASSEMBLY__ | ||
24 | #include <linux/list.h> | ||
25 | |||
26 | struct module; | ||
27 | |||
28 | struct clk { | ||
29 | int id; | ||
30 | /* Source clock this clk depends on */ | ||
31 | struct clk *parent; | ||
32 | /* Reference count of clock enable/disable */ | ||
33 | __s8 usecount; | ||
34 | /* Register bit position for clock's enable/disable control. */ | ||
35 | u8 enable_shift; | ||
36 | /* Register address for clock's enable/disable control. */ | ||
37 | void __iomem *enable_reg; | ||
38 | u32 flags; | ||
39 | /* get the current clock rate (always a fresh value) */ | ||
40 | unsigned long (*get_rate) (struct clk *); | ||
41 | /* Function ptr to set the clock to a new rate. The rate must match a | ||
42 | supported rate returned from round_rate. Leave blank if clock is not | ||
43 | programmable */ | ||
44 | int (*set_rate) (struct clk *, unsigned long); | ||
45 | /* Function ptr to round the requested clock rate to the nearest | ||
46 | supported rate that is less than or equal to the requested rate. */ | ||
47 | unsigned long (*round_rate) (struct clk *, unsigned long); | ||
48 | /* Function ptr to enable the clock. Leave blank if clock can not | ||
49 | be gated. */ | ||
50 | int (*enable) (struct clk *); | ||
51 | /* Function ptr to disable the clock. Leave blank if clock can not | ||
52 | be gated. */ | ||
53 | void (*disable) (struct clk *); | ||
54 | /* Function ptr to set the parent clock of the clock. */ | ||
55 | int (*set_parent) (struct clk *, struct clk *); | ||
56 | }; | ||
57 | |||
58 | int clk_register(struct clk *clk); | ||
59 | void clk_unregister(struct clk *clk); | ||
60 | |||
61 | #endif /* __ASSEMBLY__ */ | ||
62 | #endif /* __MACH_MXS_CLOCK_H__ */ | ||
diff --git a/arch/arm/mach-mxs/include/mach/common.h b/arch/arm/mach-mxs/include/mach/common.h index 8d88399b73ef..84af61cf6a62 100644 --- a/arch/arm/mach-mxs/include/mach/common.h +++ b/arch/arm/mach-mxs/include/mach/common.h | |||
@@ -11,11 +11,9 @@ | |||
11 | #ifndef __MACH_MXS_COMMON_H__ | 11 | #ifndef __MACH_MXS_COMMON_H__ |
12 | #define __MACH_MXS_COMMON_H__ | 12 | #define __MACH_MXS_COMMON_H__ |
13 | 13 | ||
14 | struct clk; | ||
15 | |||
16 | extern const u32 *mxs_get_ocotp(void); | 14 | extern const u32 *mxs_get_ocotp(void); |
17 | extern int mxs_reset_block(void __iomem *); | 15 | extern int mxs_reset_block(void __iomem *); |
18 | extern void mxs_timer_init(struct clk *, int); | 16 | extern void mxs_timer_init(int); |
19 | extern void mxs_restart(char, const char *); | 17 | extern void mxs_restart(char, const char *); |
20 | extern int mxs_saif_clkmux_select(unsigned int clkmux); | 18 | extern int mxs_saif_clkmux_select(unsigned int clkmux); |
21 | 19 | ||
@@ -33,6 +31,4 @@ extern void mx28_init_irq(void); | |||
33 | 31 | ||
34 | extern void icoll_init_irq(void); | 32 | extern void icoll_init_irq(void); |
35 | 33 | ||
36 | extern int mxs_clkctrl_timeout(unsigned int reg_offset, unsigned int mask); | ||
37 | |||
38 | #endif /* __MACH_MXS_COMMON_H__ */ | 34 | #endif /* __MACH_MXS_COMMON_H__ */ |
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index da4610ebe9e6..dafd48e86c8c 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c | |||
@@ -226,7 +226,7 @@ static void __init mx28evk_fec_reset(void) | |||
226 | struct clk *clk; | 226 | struct clk *clk; |
227 | 227 | ||
228 | /* Enable fec phy clock */ | 228 | /* Enable fec phy clock */ |
229 | clk = clk_get_sys("pll2", NULL); | 229 | clk = clk_get_sys("enet_out", NULL); |
230 | if (!IS_ERR(clk)) | 230 | if (!IS_ERR(clk)) |
231 | clk_prepare_enable(clk); | 231 | clk_prepare_enable(clk); |
232 | 232 | ||
diff --git a/arch/arm/mach-mxs/regs-clkctrl-mx23.h b/arch/arm/mach-mxs/regs-clkctrl-mx23.h deleted file mode 100644 index 0ea5c9d0e2b2..000000000000 --- a/arch/arm/mach-mxs/regs-clkctrl-mx23.h +++ /dev/null | |||
@@ -1,331 +0,0 @@ | |||
1 | /* | ||
2 | * Freescale CLKCTRL Register Definitions | ||
3 | * | ||
4 | * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. | ||
5 | * Copyright 2008-2010 Freescale Semiconductor, Inc. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | * | ||
21 | * This file is created by xml file. Don't Edit it. | ||
22 | * | ||
23 | * Xml Revision: 1.48 | ||
24 | * Template revision: 26195 | ||
25 | */ | ||
26 | |||
27 | #ifndef __REGS_CLKCTRL_MX23_H__ | ||
28 | #define __REGS_CLKCTRL_MX23_H__ | ||
29 | |||
30 | |||
31 | #define HW_CLKCTRL_PLLCTRL0 (0x00000000) | ||
32 | #define HW_CLKCTRL_PLLCTRL0_SET (0x00000004) | ||
33 | #define HW_CLKCTRL_PLLCTRL0_CLR (0x00000008) | ||
34 | #define HW_CLKCTRL_PLLCTRL0_TOG (0x0000000c) | ||
35 | |||
36 | #define BP_CLKCTRL_PLLCTRL0_LFR_SEL 28 | ||
37 | #define BM_CLKCTRL_PLLCTRL0_LFR_SEL 0x30000000 | ||
38 | #define BF_CLKCTRL_PLLCTRL0_LFR_SEL(v) \ | ||
39 | (((v) << 28) & BM_CLKCTRL_PLLCTRL0_LFR_SEL) | ||
40 | #define BV_CLKCTRL_PLLCTRL0_LFR_SEL__DEFAULT 0x0 | ||
41 | #define BV_CLKCTRL_PLLCTRL0_LFR_SEL__TIMES_2 0x1 | ||
42 | #define BV_CLKCTRL_PLLCTRL0_LFR_SEL__TIMES_05 0x2 | ||
43 | #define BV_CLKCTRL_PLLCTRL0_LFR_SEL__UNDEFINED 0x3 | ||
44 | #define BP_CLKCTRL_PLLCTRL0_CP_SEL 24 | ||
45 | #define BM_CLKCTRL_PLLCTRL0_CP_SEL 0x03000000 | ||
46 | #define BF_CLKCTRL_PLLCTRL0_CP_SEL(v) \ | ||
47 | (((v) << 24) & BM_CLKCTRL_PLLCTRL0_CP_SEL) | ||
48 | #define BV_CLKCTRL_PLLCTRL0_CP_SEL__DEFAULT 0x0 | ||
49 | #define BV_CLKCTRL_PLLCTRL0_CP_SEL__TIMES_2 0x1 | ||
50 | #define BV_CLKCTRL_PLLCTRL0_CP_SEL__TIMES_05 0x2 | ||
51 | #define BV_CLKCTRL_PLLCTRL0_CP_SEL__UNDEFINED 0x3 | ||
52 | #define BP_CLKCTRL_PLLCTRL0_DIV_SEL 20 | ||
53 | #define BM_CLKCTRL_PLLCTRL0_DIV_SEL 0x00300000 | ||
54 | #define BF_CLKCTRL_PLLCTRL0_DIV_SEL(v) \ | ||
55 | (((v) << 20) & BM_CLKCTRL_PLLCTRL0_DIV_SEL) | ||
56 | #define BV_CLKCTRL_PLLCTRL0_DIV_SEL__DEFAULT 0x0 | ||
57 | #define BV_CLKCTRL_PLLCTRL0_DIV_SEL__LOWER 0x1 | ||
58 | #define BV_CLKCTRL_PLLCTRL0_DIV_SEL__LOWEST 0x2 | ||
59 | #define BV_CLKCTRL_PLLCTRL0_DIV_SEL__UNDEFINED 0x3 | ||
60 | #define BM_CLKCTRL_PLLCTRL0_EN_USB_CLKS 0x00040000 | ||
61 | #define BM_CLKCTRL_PLLCTRL0_POWER 0x00010000 | ||
62 | |||
63 | #define HW_CLKCTRL_PLLCTRL1 (0x00000010) | ||
64 | |||
65 | #define BM_CLKCTRL_PLLCTRL1_LOCK 0x80000000 | ||
66 | #define BM_CLKCTRL_PLLCTRL1_FORCE_LOCK 0x40000000 | ||
67 | #define BP_CLKCTRL_PLLCTRL1_LOCK_COUNT 0 | ||
68 | #define BM_CLKCTRL_PLLCTRL1_LOCK_COUNT 0x0000FFFF | ||
69 | #define BF_CLKCTRL_PLLCTRL1_LOCK_COUNT(v) \ | ||
70 | (((v) << 0) & BM_CLKCTRL_PLLCTRL1_LOCK_COUNT) | ||
71 | |||
72 | #define HW_CLKCTRL_CPU (0x00000020) | ||
73 | #define HW_CLKCTRL_CPU_SET (0x00000024) | ||
74 | #define HW_CLKCTRL_CPU_CLR (0x00000028) | ||
75 | #define HW_CLKCTRL_CPU_TOG (0x0000002c) | ||
76 | |||
77 | #define BM_CLKCTRL_CPU_BUSY_REF_XTAL 0x20000000 | ||
78 | #define BM_CLKCTRL_CPU_BUSY_REF_CPU 0x10000000 | ||
79 | #define BM_CLKCTRL_CPU_DIV_XTAL_FRAC_EN 0x04000000 | ||
80 | #define BP_CLKCTRL_CPU_DIV_XTAL 16 | ||
81 | #define BM_CLKCTRL_CPU_DIV_XTAL 0x03FF0000 | ||
82 | #define BF_CLKCTRL_CPU_DIV_XTAL(v) \ | ||
83 | (((v) << 16) & BM_CLKCTRL_CPU_DIV_XTAL) | ||
84 | #define BM_CLKCTRL_CPU_INTERRUPT_WAIT 0x00001000 | ||
85 | #define BM_CLKCTRL_CPU_DIV_CPU_FRAC_EN 0x00000400 | ||
86 | #define BP_CLKCTRL_CPU_DIV_CPU 0 | ||
87 | #define BM_CLKCTRL_CPU_DIV_CPU 0x0000003F | ||
88 | #define BF_CLKCTRL_CPU_DIV_CPU(v) \ | ||
89 | (((v) << 0) & BM_CLKCTRL_CPU_DIV_CPU) | ||
90 | |||
91 | #define HW_CLKCTRL_HBUS (0x00000030) | ||
92 | #define HW_CLKCTRL_HBUS_SET (0x00000034) | ||
93 | #define HW_CLKCTRL_HBUS_CLR (0x00000038) | ||
94 | #define HW_CLKCTRL_HBUS_TOG (0x0000003c) | ||
95 | |||
96 | #define BM_CLKCTRL_HBUS_BUSY 0x20000000 | ||
97 | #define BM_CLKCTRL_HBUS_DCP_AS_ENABLE 0x10000000 | ||
98 | #define BM_CLKCTRL_HBUS_PXP_AS_ENABLE 0x08000000 | ||
99 | #define BM_CLKCTRL_HBUS_APBHDMA_AS_ENABLE 0x04000000 | ||
100 | #define BM_CLKCTRL_HBUS_APBXDMA_AS_ENABLE 0x02000000 | ||
101 | #define BM_CLKCTRL_HBUS_TRAFFIC_JAM_AS_ENABLE 0x01000000 | ||
102 | #define BM_CLKCTRL_HBUS_TRAFFIC_AS_ENABLE 0x00800000 | ||
103 | #define BM_CLKCTRL_HBUS_CPU_DATA_AS_ENABLE 0x00400000 | ||
104 | #define BM_CLKCTRL_HBUS_CPU_INSTR_AS_ENABLE 0x00200000 | ||
105 | #define BM_CLKCTRL_HBUS_AUTO_SLOW_MODE 0x00100000 | ||
106 | #define BP_CLKCTRL_HBUS_SLOW_DIV 16 | ||
107 | #define BM_CLKCTRL_HBUS_SLOW_DIV 0x00070000 | ||
108 | #define BF_CLKCTRL_HBUS_SLOW_DIV(v) \ | ||
109 | (((v) << 16) & BM_CLKCTRL_HBUS_SLOW_DIV) | ||
110 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY1 0x0 | ||
111 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY2 0x1 | ||
112 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY4 0x2 | ||
113 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY8 0x3 | ||
114 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY16 0x4 | ||
115 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY32 0x5 | ||
116 | #define BM_CLKCTRL_HBUS_DIV_FRAC_EN 0x00000020 | ||
117 | #define BP_CLKCTRL_HBUS_DIV 0 | ||
118 | #define BM_CLKCTRL_HBUS_DIV 0x0000001F | ||
119 | #define BF_CLKCTRL_HBUS_DIV(v) \ | ||
120 | (((v) << 0) & BM_CLKCTRL_HBUS_DIV) | ||
121 | |||
122 | #define HW_CLKCTRL_XBUS (0x00000040) | ||
123 | |||
124 | #define BM_CLKCTRL_XBUS_BUSY 0x80000000 | ||
125 | #define BM_CLKCTRL_XBUS_DIV_FRAC_EN 0x00000400 | ||
126 | #define BP_CLKCTRL_XBUS_DIV 0 | ||
127 | #define BM_CLKCTRL_XBUS_DIV 0x000003FF | ||
128 | #define BF_CLKCTRL_XBUS_DIV(v) \ | ||
129 | (((v) << 0) & BM_CLKCTRL_XBUS_DIV) | ||
130 | |||
131 | #define HW_CLKCTRL_XTAL (0x00000050) | ||
132 | #define HW_CLKCTRL_XTAL_SET (0x00000054) | ||
133 | #define HW_CLKCTRL_XTAL_CLR (0x00000058) | ||
134 | #define HW_CLKCTRL_XTAL_TOG (0x0000005c) | ||
135 | |||
136 | #define BP_CLKCTRL_XTAL_UART_CLK_GATE 31 | ||
137 | #define BM_CLKCTRL_XTAL_UART_CLK_GATE 0x80000000 | ||
138 | #define BP_CLKCTRL_XTAL_FILT_CLK24M_GATE 30 | ||
139 | #define BM_CLKCTRL_XTAL_FILT_CLK24M_GATE 0x40000000 | ||
140 | #define BP_CLKCTRL_XTAL_PWM_CLK24M_GATE 29 | ||
141 | #define BM_CLKCTRL_XTAL_PWM_CLK24M_GATE 0x20000000 | ||
142 | #define BM_CLKCTRL_XTAL_DRI_CLK24M_GATE 0x10000000 | ||
143 | #define BM_CLKCTRL_XTAL_DIGCTRL_CLK1M_GATE 0x08000000 | ||
144 | #define BP_CLKCTRL_XTAL_TIMROT_CLK32K_GATE 26 | ||
145 | #define BM_CLKCTRL_XTAL_TIMROT_CLK32K_GATE 0x04000000 | ||
146 | #define BP_CLKCTRL_XTAL_DIV_UART 0 | ||
147 | #define BM_CLKCTRL_XTAL_DIV_UART 0x00000003 | ||
148 | #define BF_CLKCTRL_XTAL_DIV_UART(v) \ | ||
149 | (((v) << 0) & BM_CLKCTRL_XTAL_DIV_UART) | ||
150 | |||
151 | #define HW_CLKCTRL_PIX (0x00000060) | ||
152 | |||
153 | #define BP_CLKCTRL_PIX_CLKGATE 31 | ||
154 | #define BM_CLKCTRL_PIX_CLKGATE 0x80000000 | ||
155 | #define BM_CLKCTRL_PIX_BUSY 0x20000000 | ||
156 | #define BM_CLKCTRL_PIX_DIV_FRAC_EN 0x00001000 | ||
157 | #define BP_CLKCTRL_PIX_DIV 0 | ||
158 | #define BM_CLKCTRL_PIX_DIV 0x00000FFF | ||
159 | #define BF_CLKCTRL_PIX_DIV(v) \ | ||
160 | (((v) << 0) & BM_CLKCTRL_PIX_DIV) | ||
161 | |||
162 | #define HW_CLKCTRL_SSP (0x00000070) | ||
163 | |||
164 | #define BP_CLKCTRL_SSP_CLKGATE 31 | ||
165 | #define BM_CLKCTRL_SSP_CLKGATE 0x80000000 | ||
166 | #define BM_CLKCTRL_SSP_BUSY 0x20000000 | ||
167 | #define BM_CLKCTRL_SSP_DIV_FRAC_EN 0x00000200 | ||
168 | #define BP_CLKCTRL_SSP_DIV 0 | ||
169 | #define BM_CLKCTRL_SSP_DIV 0x000001FF | ||
170 | #define BF_CLKCTRL_SSP_DIV(v) \ | ||
171 | (((v) << 0) & BM_CLKCTRL_SSP_DIV) | ||
172 | |||
173 | #define HW_CLKCTRL_GPMI (0x00000080) | ||
174 | |||
175 | #define BP_CLKCTRL_GPMI_CLKGATE 31 | ||
176 | #define BM_CLKCTRL_GPMI_CLKGATE 0x80000000 | ||
177 | #define BM_CLKCTRL_GPMI_BUSY 0x20000000 | ||
178 | #define BM_CLKCTRL_GPMI_DIV_FRAC_EN 0x00000400 | ||
179 | #define BP_CLKCTRL_GPMI_DIV 0 | ||
180 | #define BM_CLKCTRL_GPMI_DIV 0x000003FF | ||
181 | #define BF_CLKCTRL_GPMI_DIV(v) \ | ||
182 | (((v) << 0) & BM_CLKCTRL_GPMI_DIV) | ||
183 | |||
184 | #define HW_CLKCTRL_SPDIF (0x00000090) | ||
185 | |||
186 | #define BM_CLKCTRL_SPDIF_CLKGATE 0x80000000 | ||
187 | |||
188 | #define HW_CLKCTRL_EMI (0x000000a0) | ||
189 | |||
190 | #define BP_CLKCTRL_EMI_CLKGATE 31 | ||
191 | #define BM_CLKCTRL_EMI_CLKGATE 0x80000000 | ||
192 | #define BM_CLKCTRL_EMI_SYNC_MODE_EN 0x40000000 | ||
193 | #define BM_CLKCTRL_EMI_BUSY_REF_XTAL 0x20000000 | ||
194 | #define BM_CLKCTRL_EMI_BUSY_REF_EMI 0x10000000 | ||
195 | #define BM_CLKCTRL_EMI_BUSY_REF_CPU 0x08000000 | ||
196 | #define BM_CLKCTRL_EMI_BUSY_SYNC_MODE 0x04000000 | ||
197 | #define BM_CLKCTRL_EMI_BUSY_DCC_RESYNC 0x00020000 | ||
198 | #define BM_CLKCTRL_EMI_DCC_RESYNC_ENABLE 0x00010000 | ||
199 | #define BP_CLKCTRL_EMI_DIV_XTAL 8 | ||
200 | #define BM_CLKCTRL_EMI_DIV_XTAL 0x00000F00 | ||
201 | #define BF_CLKCTRL_EMI_DIV_XTAL(v) \ | ||
202 | (((v) << 8) & BM_CLKCTRL_EMI_DIV_XTAL) | ||
203 | #define BP_CLKCTRL_EMI_DIV_EMI 0 | ||
204 | #define BM_CLKCTRL_EMI_DIV_EMI 0x0000003F | ||
205 | #define BF_CLKCTRL_EMI_DIV_EMI(v) \ | ||
206 | (((v) << 0) & BM_CLKCTRL_EMI_DIV_EMI) | ||
207 | |||
208 | #define HW_CLKCTRL_IR (0x000000b0) | ||
209 | |||
210 | #define BM_CLKCTRL_IR_CLKGATE 0x80000000 | ||
211 | #define BM_CLKCTRL_IR_AUTO_DIV 0x20000000 | ||
212 | #define BM_CLKCTRL_IR_IR_BUSY 0x10000000 | ||
213 | #define BM_CLKCTRL_IR_IROV_BUSY 0x08000000 | ||
214 | #define BP_CLKCTRL_IR_IROV_DIV 16 | ||
215 | #define BM_CLKCTRL_IR_IROV_DIV 0x01FF0000 | ||
216 | #define BF_CLKCTRL_IR_IROV_DIV(v) \ | ||
217 | (((v) << 16) & BM_CLKCTRL_IR_IROV_DIV) | ||
218 | #define BP_CLKCTRL_IR_IR_DIV 0 | ||
219 | #define BM_CLKCTRL_IR_IR_DIV 0x000003FF | ||
220 | #define BF_CLKCTRL_IR_IR_DIV(v) \ | ||
221 | (((v) << 0) & BM_CLKCTRL_IR_IR_DIV) | ||
222 | |||
223 | #define HW_CLKCTRL_SAIF (0x000000c0) | ||
224 | |||
225 | #define BM_CLKCTRL_SAIF_CLKGATE 0x80000000 | ||
226 | #define BM_CLKCTRL_SAIF_BUSY 0x20000000 | ||
227 | #define BM_CLKCTRL_SAIF_DIV_FRAC_EN 0x00010000 | ||
228 | #define BP_CLKCTRL_SAIF_DIV 0 | ||
229 | #define BM_CLKCTRL_SAIF_DIV 0x0000FFFF | ||
230 | #define BF_CLKCTRL_SAIF_DIV(v) \ | ||
231 | (((v) << 0) & BM_CLKCTRL_SAIF_DIV) | ||
232 | |||
233 | #define HW_CLKCTRL_TV (0x000000d0) | ||
234 | |||
235 | #define BM_CLKCTRL_TV_CLK_TV108M_GATE 0x80000000 | ||
236 | #define BM_CLKCTRL_TV_CLK_TV_GATE 0x40000000 | ||
237 | |||
238 | #define HW_CLKCTRL_ETM (0x000000e0) | ||
239 | |||
240 | #define BM_CLKCTRL_ETM_CLKGATE 0x80000000 | ||
241 | #define BM_CLKCTRL_ETM_BUSY 0x20000000 | ||
242 | #define BM_CLKCTRL_ETM_DIV_FRAC_EN 0x00000040 | ||
243 | #define BP_CLKCTRL_ETM_DIV 0 | ||
244 | #define BM_CLKCTRL_ETM_DIV 0x0000003F | ||
245 | #define BF_CLKCTRL_ETM_DIV(v) \ | ||
246 | (((v) << 0) & BM_CLKCTRL_ETM_DIV) | ||
247 | |||
248 | #define HW_CLKCTRL_FRAC (0x000000f0) | ||
249 | #define HW_CLKCTRL_FRAC_SET (0x000000f4) | ||
250 | #define HW_CLKCTRL_FRAC_CLR (0x000000f8) | ||
251 | #define HW_CLKCTRL_FRAC_TOG (0x000000fc) | ||
252 | |||
253 | #define BP_CLKCTRL_FRAC_CLKGATEIO 31 | ||
254 | #define BM_CLKCTRL_FRAC_CLKGATEIO 0x80000000 | ||
255 | #define BM_CLKCTRL_FRAC_IO_STABLE 0x40000000 | ||
256 | #define BP_CLKCTRL_FRAC_IOFRAC 24 | ||
257 | #define BM_CLKCTRL_FRAC_IOFRAC 0x3F000000 | ||
258 | #define BF_CLKCTRL_FRAC_IOFRAC(v) \ | ||
259 | (((v) << 24) & BM_CLKCTRL_FRAC_IOFRAC) | ||
260 | #define BP_CLKCTRL_FRAC_CLKGATEPIX 23 | ||
261 | #define BM_CLKCTRL_FRAC_CLKGATEPIX 0x00800000 | ||
262 | #define BM_CLKCTRL_FRAC_PIX_STABLE 0x00400000 | ||
263 | #define BP_CLKCTRL_FRAC_PIXFRAC 16 | ||
264 | #define BM_CLKCTRL_FRAC_PIXFRAC 0x003F0000 | ||
265 | #define BF_CLKCTRL_FRAC_PIXFRAC(v) \ | ||
266 | (((v) << 16) & BM_CLKCTRL_FRAC_PIXFRAC) | ||
267 | #define BP_CLKCTRL_FRAC_CLKGATEEMI 15 | ||
268 | #define BM_CLKCTRL_FRAC_CLKGATEEMI 0x00008000 | ||
269 | #define BM_CLKCTRL_FRAC_EMI_STABLE 0x00004000 | ||
270 | #define BP_CLKCTRL_FRAC_EMIFRAC 8 | ||
271 | #define BM_CLKCTRL_FRAC_EMIFRAC 0x00003F00 | ||
272 | #define BF_CLKCTRL_FRAC_EMIFRAC(v) \ | ||
273 | (((v) << 8) & BM_CLKCTRL_FRAC_EMIFRAC) | ||
274 | #define BP_CLKCTRL_FRAC_CLKGATECPU 7 | ||
275 | #define BM_CLKCTRL_FRAC_CLKGATECPU 0x00000080 | ||
276 | #define BM_CLKCTRL_FRAC_CPU_STABLE 0x00000040 | ||
277 | #define BP_CLKCTRL_FRAC_CPUFRAC 0 | ||
278 | #define BM_CLKCTRL_FRAC_CPUFRAC 0x0000003F | ||
279 | #define BF_CLKCTRL_FRAC_CPUFRAC(v) \ | ||
280 | (((v) << 0) & BM_CLKCTRL_FRAC_CPUFRAC) | ||
281 | |||
282 | #define HW_CLKCTRL_FRAC1 (0x00000100) | ||
283 | #define HW_CLKCTRL_FRAC1_SET (0x00000104) | ||
284 | #define HW_CLKCTRL_FRAC1_CLR (0x00000108) | ||
285 | #define HW_CLKCTRL_FRAC1_TOG (0x0000010c) | ||
286 | |||
287 | #define BM_CLKCTRL_FRAC1_CLKGATEVID 0x80000000 | ||
288 | #define BM_CLKCTRL_FRAC1_VID_STABLE 0x40000000 | ||
289 | |||
290 | #define HW_CLKCTRL_CLKSEQ (0x00000110) | ||
291 | #define HW_CLKCTRL_CLKSEQ_SET (0x00000114) | ||
292 | #define HW_CLKCTRL_CLKSEQ_CLR (0x00000118) | ||
293 | #define HW_CLKCTRL_CLKSEQ_TOG (0x0000011c) | ||
294 | |||
295 | #define BM_CLKCTRL_CLKSEQ_BYPASS_ETM 0x00000100 | ||
296 | #define BM_CLKCTRL_CLKSEQ_BYPASS_CPU 0x00000080 | ||
297 | #define BM_CLKCTRL_CLKSEQ_BYPASS_EMI 0x00000040 | ||
298 | #define BM_CLKCTRL_CLKSEQ_BYPASS_SSP 0x00000020 | ||
299 | #define BM_CLKCTRL_CLKSEQ_BYPASS_GPMI 0x00000010 | ||
300 | #define BM_CLKCTRL_CLKSEQ_BYPASS_IR 0x00000008 | ||
301 | #define BM_CLKCTRL_CLKSEQ_BYPASS_PIX 0x00000002 | ||
302 | #define BM_CLKCTRL_CLKSEQ_BYPASS_SAIF 0x00000001 | ||
303 | |||
304 | #define HW_CLKCTRL_RESET (0x00000120) | ||
305 | |||
306 | #define BM_CLKCTRL_RESET_CHIP 0x00000002 | ||
307 | #define BM_CLKCTRL_RESET_DIG 0x00000001 | ||
308 | |||
309 | #define HW_CLKCTRL_STATUS (0x00000130) | ||
310 | |||
311 | #define BP_CLKCTRL_STATUS_CPU_LIMIT 30 | ||
312 | #define BM_CLKCTRL_STATUS_CPU_LIMIT 0xC0000000 | ||
313 | #define BF_CLKCTRL_STATUS_CPU_LIMIT(v) \ | ||
314 | (((v) << 30) & BM_CLKCTRL_STATUS_CPU_LIMIT) | ||
315 | |||
316 | #define HW_CLKCTRL_VERSION (0x00000140) | ||
317 | |||
318 | #define BP_CLKCTRL_VERSION_MAJOR 24 | ||
319 | #define BM_CLKCTRL_VERSION_MAJOR 0xFF000000 | ||
320 | #define BF_CLKCTRL_VERSION_MAJOR(v) \ | ||
321 | (((v) << 24) & BM_CLKCTRL_VERSION_MAJOR) | ||
322 | #define BP_CLKCTRL_VERSION_MINOR 16 | ||
323 | #define BM_CLKCTRL_VERSION_MINOR 0x00FF0000 | ||
324 | #define BF_CLKCTRL_VERSION_MINOR(v) \ | ||
325 | (((v) << 16) & BM_CLKCTRL_VERSION_MINOR) | ||
326 | #define BP_CLKCTRL_VERSION_STEP 0 | ||
327 | #define BM_CLKCTRL_VERSION_STEP 0x0000FFFF | ||
328 | #define BF_CLKCTRL_VERSION_STEP(v) \ | ||
329 | (((v) << 0) & BM_CLKCTRL_VERSION_STEP) | ||
330 | |||
331 | #endif /* __REGS_CLKCTRL_MX23_H__ */ | ||
diff --git a/arch/arm/mach-mxs/regs-clkctrl-mx28.h b/arch/arm/mach-mxs/regs-clkctrl-mx28.h deleted file mode 100644 index 7d1b061d7943..000000000000 --- a/arch/arm/mach-mxs/regs-clkctrl-mx28.h +++ /dev/null | |||
@@ -1,486 +0,0 @@ | |||
1 | /* | ||
2 | * Freescale CLKCTRL Register Definitions | ||
3 | * | ||
4 | * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | * | ||
20 | * This file is created by xml file. Don't Edit it. | ||
21 | * | ||
22 | * Xml Revision: 1.48 | ||
23 | * Template revision: 26195 | ||
24 | */ | ||
25 | |||
26 | #ifndef __REGS_CLKCTRL_MX28_H__ | ||
27 | #define __REGS_CLKCTRL_MX28_H__ | ||
28 | |||
29 | #define HW_CLKCTRL_PLL0CTRL0 (0x00000000) | ||
30 | #define HW_CLKCTRL_PLL0CTRL0_SET (0x00000004) | ||
31 | #define HW_CLKCTRL_PLL0CTRL0_CLR (0x00000008) | ||
32 | #define HW_CLKCTRL_PLL0CTRL0_TOG (0x0000000c) | ||
33 | |||
34 | #define BP_CLKCTRL_PLL0CTRL0_LFR_SEL 28 | ||
35 | #define BM_CLKCTRL_PLL0CTRL0_LFR_SEL 0x30000000 | ||
36 | #define BF_CLKCTRL_PLL0CTRL0_LFR_SEL(v) \ | ||
37 | (((v) << 28) & BM_CLKCTRL_PLL0CTRL0_LFR_SEL) | ||
38 | #define BV_CLKCTRL_PLL0CTRL0_LFR_SEL__DEFAULT 0x0 | ||
39 | #define BV_CLKCTRL_PLL0CTRL0_LFR_SEL__TIMES_2 0x1 | ||
40 | #define BV_CLKCTRL_PLL0CTRL0_LFR_SEL__TIMES_05 0x2 | ||
41 | #define BV_CLKCTRL_PLL0CTRL0_LFR_SEL__UNDEFINED 0x3 | ||
42 | #define BP_CLKCTRL_PLL0CTRL0_CP_SEL 24 | ||
43 | #define BM_CLKCTRL_PLL0CTRL0_CP_SEL 0x03000000 | ||
44 | #define BF_CLKCTRL_PLL0CTRL0_CP_SEL(v) \ | ||
45 | (((v) << 24) & BM_CLKCTRL_PLL0CTRL0_CP_SEL) | ||
46 | #define BV_CLKCTRL_PLL0CTRL0_CP_SEL__DEFAULT 0x0 | ||
47 | #define BV_CLKCTRL_PLL0CTRL0_CP_SEL__TIMES_2 0x1 | ||
48 | #define BV_CLKCTRL_PLL0CTRL0_CP_SEL__TIMES_05 0x2 | ||
49 | #define BV_CLKCTRL_PLL0CTRL0_CP_SEL__UNDEFINED 0x3 | ||
50 | #define BP_CLKCTRL_PLL0CTRL0_DIV_SEL 20 | ||
51 | #define BM_CLKCTRL_PLL0CTRL0_DIV_SEL 0x00300000 | ||
52 | #define BF_CLKCTRL_PLL0CTRL0_DIV_SEL(v) \ | ||
53 | (((v) << 20) & BM_CLKCTRL_PLL0CTRL0_DIV_SEL) | ||
54 | #define BV_CLKCTRL_PLL0CTRL0_DIV_SEL__DEFAULT 0x0 | ||
55 | #define BV_CLKCTRL_PLL0CTRL0_DIV_SEL__LOWER 0x1 | ||
56 | #define BV_CLKCTRL_PLL0CTRL0_DIV_SEL__LOWEST 0x2 | ||
57 | #define BV_CLKCTRL_PLL0CTRL0_DIV_SEL__UNDEFINED 0x3 | ||
58 | #define BM_CLKCTRL_PLL0CTRL0_EN_USB_CLKS 0x00040000 | ||
59 | #define BM_CLKCTRL_PLL0CTRL0_POWER 0x00020000 | ||
60 | |||
61 | #define HW_CLKCTRL_PLL0CTRL1 (0x00000010) | ||
62 | |||
63 | #define BM_CLKCTRL_PLL0CTRL1_LOCK 0x80000000 | ||
64 | #define BM_CLKCTRL_PLL0CTRL1_FORCE_LOCK 0x40000000 | ||
65 | #define BP_CLKCTRL_PLL0CTRL1_LOCK_COUNT 0 | ||
66 | #define BM_CLKCTRL_PLL0CTRL1_LOCK_COUNT 0x0000FFFF | ||
67 | #define BF_CLKCTRL_PLL0CTRL1_LOCK_COUNT(v) \ | ||
68 | (((v) << 0) & BM_CLKCTRL_PLL0CTRL1_LOCK_COUNT) | ||
69 | |||
70 | #define HW_CLKCTRL_PLL1CTRL0 (0x00000020) | ||
71 | #define HW_CLKCTRL_PLL1CTRL0_SET (0x00000024) | ||
72 | #define HW_CLKCTRL_PLL1CTRL0_CLR (0x00000028) | ||
73 | #define HW_CLKCTRL_PLL1CTRL0_TOG (0x0000002c) | ||
74 | |||
75 | #define BM_CLKCTRL_PLL1CTRL0_CLKGATEEMI 0x80000000 | ||
76 | #define BP_CLKCTRL_PLL1CTRL0_LFR_SEL 28 | ||
77 | #define BM_CLKCTRL_PLL1CTRL0_LFR_SEL 0x30000000 | ||
78 | #define BF_CLKCTRL_PLL1CTRL0_LFR_SEL(v) \ | ||
79 | (((v) << 28) & BM_CLKCTRL_PLL1CTRL0_LFR_SEL) | ||
80 | #define BV_CLKCTRL_PLL1CTRL0_LFR_SEL__DEFAULT 0x0 | ||
81 | #define BV_CLKCTRL_PLL1CTRL0_LFR_SEL__TIMES_2 0x1 | ||
82 | #define BV_CLKCTRL_PLL1CTRL0_LFR_SEL__TIMES_05 0x2 | ||
83 | #define BV_CLKCTRL_PLL1CTRL0_LFR_SEL__UNDEFINED 0x3 | ||
84 | #define BP_CLKCTRL_PLL1CTRL0_CP_SEL 24 | ||
85 | #define BM_CLKCTRL_PLL1CTRL0_CP_SEL 0x03000000 | ||
86 | #define BF_CLKCTRL_PLL1CTRL0_CP_SEL(v) \ | ||
87 | (((v) << 24) & BM_CLKCTRL_PLL1CTRL0_CP_SEL) | ||
88 | #define BV_CLKCTRL_PLL1CTRL0_CP_SEL__DEFAULT 0x0 | ||
89 | #define BV_CLKCTRL_PLL1CTRL0_CP_SEL__TIMES_2 0x1 | ||
90 | #define BV_CLKCTRL_PLL1CTRL0_CP_SEL__TIMES_05 0x2 | ||
91 | #define BV_CLKCTRL_PLL1CTRL0_CP_SEL__UNDEFINED 0x3 | ||
92 | #define BP_CLKCTRL_PLL1CTRL0_DIV_SEL 20 | ||
93 | #define BM_CLKCTRL_PLL1CTRL0_DIV_SEL 0x00300000 | ||
94 | #define BF_CLKCTRL_PLL1CTRL0_DIV_SEL(v) \ | ||
95 | (((v) << 20) & BM_CLKCTRL_PLL1CTRL0_DIV_SEL) | ||
96 | #define BV_CLKCTRL_PLL1CTRL0_DIV_SEL__DEFAULT 0x0 | ||
97 | #define BV_CLKCTRL_PLL1CTRL0_DIV_SEL__LOWER 0x1 | ||
98 | #define BV_CLKCTRL_PLL1CTRL0_DIV_SEL__LOWEST 0x2 | ||
99 | #define BV_CLKCTRL_PLL1CTRL0_DIV_SEL__UNDEFINED 0x3 | ||
100 | #define BM_CLKCTRL_PLL1CTRL0_EN_USB_CLKS 0x00040000 | ||
101 | #define BM_CLKCTRL_PLL1CTRL0_POWER 0x00020000 | ||
102 | |||
103 | #define HW_CLKCTRL_PLL1CTRL1 (0x00000030) | ||
104 | |||
105 | #define BM_CLKCTRL_PLL1CTRL1_LOCK 0x80000000 | ||
106 | #define BM_CLKCTRL_PLL1CTRL1_FORCE_LOCK 0x40000000 | ||
107 | #define BP_CLKCTRL_PLL1CTRL1_LOCK_COUNT 0 | ||
108 | #define BM_CLKCTRL_PLL1CTRL1_LOCK_COUNT 0x0000FFFF | ||
109 | #define BF_CLKCTRL_PLL1CTRL1_LOCK_COUNT(v) \ | ||
110 | (((v) << 0) & BM_CLKCTRL_PLL1CTRL1_LOCK_COUNT) | ||
111 | |||
112 | #define HW_CLKCTRL_PLL2CTRL0 (0x00000040) | ||
113 | #define HW_CLKCTRL_PLL2CTRL0_SET (0x00000044) | ||
114 | #define HW_CLKCTRL_PLL2CTRL0_CLR (0x00000048) | ||
115 | #define HW_CLKCTRL_PLL2CTRL0_TOG (0x0000004c) | ||
116 | |||
117 | #define BM_CLKCTRL_PLL2CTRL0_CLKGATE 0x80000000 | ||
118 | #define BP_CLKCTRL_PLL2CTRL0_LFR_SEL 28 | ||
119 | #define BM_CLKCTRL_PLL2CTRL0_LFR_SEL 0x30000000 | ||
120 | #define BF_CLKCTRL_PLL2CTRL0_LFR_SEL(v) \ | ||
121 | (((v) << 28) & BM_CLKCTRL_PLL2CTRL0_LFR_SEL) | ||
122 | #define BM_CLKCTRL_PLL2CTRL0_HOLD_RING_OFF_B 0x04000000 | ||
123 | #define BP_CLKCTRL_PLL2CTRL0_CP_SEL 24 | ||
124 | #define BM_CLKCTRL_PLL2CTRL0_CP_SEL 0x03000000 | ||
125 | #define BF_CLKCTRL_PLL2CTRL0_CP_SEL(v) \ | ||
126 | (((v) << 24) & BM_CLKCTRL_PLL2CTRL0_CP_SEL) | ||
127 | #define BM_CLKCTRL_PLL2CTRL0_POWER 0x00800000 | ||
128 | |||
129 | #define HW_CLKCTRL_CPU (0x00000050) | ||
130 | #define HW_CLKCTRL_CPU_SET (0x00000054) | ||
131 | #define HW_CLKCTRL_CPU_CLR (0x00000058) | ||
132 | #define HW_CLKCTRL_CPU_TOG (0x0000005c) | ||
133 | |||
134 | #define BM_CLKCTRL_CPU_BUSY_REF_XTAL 0x20000000 | ||
135 | #define BM_CLKCTRL_CPU_BUSY_REF_CPU 0x10000000 | ||
136 | #define BM_CLKCTRL_CPU_DIV_XTAL_FRAC_EN 0x04000000 | ||
137 | #define BP_CLKCTRL_CPU_DIV_XTAL 16 | ||
138 | #define BM_CLKCTRL_CPU_DIV_XTAL 0x03FF0000 | ||
139 | #define BF_CLKCTRL_CPU_DIV_XTAL(v) \ | ||
140 | (((v) << 16) & BM_CLKCTRL_CPU_DIV_XTAL) | ||
141 | #define BM_CLKCTRL_CPU_INTERRUPT_WAIT 0x00001000 | ||
142 | #define BM_CLKCTRL_CPU_DIV_CPU_FRAC_EN 0x00000400 | ||
143 | #define BP_CLKCTRL_CPU_DIV_CPU 0 | ||
144 | #define BM_CLKCTRL_CPU_DIV_CPU 0x0000003F | ||
145 | #define BF_CLKCTRL_CPU_DIV_CPU(v) \ | ||
146 | (((v) << 0) & BM_CLKCTRL_CPU_DIV_CPU) | ||
147 | |||
148 | #define HW_CLKCTRL_HBUS (0x00000060) | ||
149 | #define HW_CLKCTRL_HBUS_SET (0x00000064) | ||
150 | #define HW_CLKCTRL_HBUS_CLR (0x00000068) | ||
151 | #define HW_CLKCTRL_HBUS_TOG (0x0000006c) | ||
152 | |||
153 | #define BM_CLKCTRL_HBUS_ASM_BUSY 0x80000000 | ||
154 | #define BM_CLKCTRL_HBUS_DCP_AS_ENABLE 0x40000000 | ||
155 | #define BM_CLKCTRL_HBUS_PXP_AS_ENABLE 0x20000000 | ||
156 | #define BM_CLKCTRL_HBUS_ASM_EMIPORT_AS_ENABLE 0x08000000 | ||
157 | #define BM_CLKCTRL_HBUS_APBHDMA_AS_ENABLE 0x04000000 | ||
158 | #define BM_CLKCTRL_HBUS_APBXDMA_AS_ENABLE 0x02000000 | ||
159 | #define BM_CLKCTRL_HBUS_TRAFFIC_JAM_AS_ENABLE 0x01000000 | ||
160 | #define BM_CLKCTRL_HBUS_TRAFFIC_AS_ENABLE 0x00800000 | ||
161 | #define BM_CLKCTRL_HBUS_CPU_DATA_AS_ENABLE 0x00400000 | ||
162 | #define BM_CLKCTRL_HBUS_CPU_INSTR_AS_ENABLE 0x00200000 | ||
163 | #define BM_CLKCTRL_HBUS_ASM_ENABLE 0x00100000 | ||
164 | #define BM_CLKCTRL_HBUS_AUTO_CLEAR_DIV_ENABLE 0x00080000 | ||
165 | #define BP_CLKCTRL_HBUS_SLOW_DIV 16 | ||
166 | #define BM_CLKCTRL_HBUS_SLOW_DIV 0x00070000 | ||
167 | #define BF_CLKCTRL_HBUS_SLOW_DIV(v) \ | ||
168 | (((v) << 16) & BM_CLKCTRL_HBUS_SLOW_DIV) | ||
169 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY1 0x0 | ||
170 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY2 0x1 | ||
171 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY4 0x2 | ||
172 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY8 0x3 | ||
173 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY16 0x4 | ||
174 | #define BV_CLKCTRL_HBUS_SLOW_DIV__BY32 0x5 | ||
175 | #define BM_CLKCTRL_HBUS_DIV_FRAC_EN 0x00000020 | ||
176 | #define BP_CLKCTRL_HBUS_DIV 0 | ||
177 | #define BM_CLKCTRL_HBUS_DIV 0x0000001F | ||
178 | #define BF_CLKCTRL_HBUS_DIV(v) \ | ||
179 | (((v) << 0) & BM_CLKCTRL_HBUS_DIV) | ||
180 | |||
181 | #define HW_CLKCTRL_XBUS (0x00000070) | ||
182 | |||
183 | #define BM_CLKCTRL_XBUS_BUSY 0x80000000 | ||
184 | #define BM_CLKCTRL_XBUS_AUTO_CLEAR_DIV_ENABLE 0x00000800 | ||
185 | #define BM_CLKCTRL_XBUS_DIV_FRAC_EN 0x00000400 | ||
186 | #define BP_CLKCTRL_XBUS_DIV 0 | ||
187 | #define BM_CLKCTRL_XBUS_DIV 0x000003FF | ||
188 | #define BF_CLKCTRL_XBUS_DIV(v) \ | ||
189 | (((v) << 0) & BM_CLKCTRL_XBUS_DIV) | ||
190 | |||
191 | #define HW_CLKCTRL_XTAL (0x00000080) | ||
192 | #define HW_CLKCTRL_XTAL_SET (0x00000084) | ||
193 | #define HW_CLKCTRL_XTAL_CLR (0x00000088) | ||
194 | #define HW_CLKCTRL_XTAL_TOG (0x0000008c) | ||
195 | |||
196 | #define BP_CLKCTRL_XTAL_UART_CLK_GATE 31 | ||
197 | #define BM_CLKCTRL_XTAL_UART_CLK_GATE 0x80000000 | ||
198 | #define BP_CLKCTRL_XTAL_PWM_CLK24M_GATE 29 | ||
199 | #define BM_CLKCTRL_XTAL_PWM_CLK24M_GATE 0x20000000 | ||
200 | #define BP_CLKCTRL_XTAL_TIMROT_CLK32K_GATE 26 | ||
201 | #define BM_CLKCTRL_XTAL_TIMROT_CLK32K_GATE 0x04000000 | ||
202 | #define BP_CLKCTRL_XTAL_DIV_UART 0 | ||
203 | #define BM_CLKCTRL_XTAL_DIV_UART 0x00000003 | ||
204 | #define BF_CLKCTRL_XTAL_DIV_UART(v) \ | ||
205 | (((v) << 0) & BM_CLKCTRL_XTAL_DIV_UART) | ||
206 | |||
207 | #define HW_CLKCTRL_SSP0 (0x00000090) | ||
208 | |||
209 | #define BP_CLKCTRL_SSP0_CLKGATE 31 | ||
210 | #define BM_CLKCTRL_SSP0_CLKGATE 0x80000000 | ||
211 | #define BM_CLKCTRL_SSP0_BUSY 0x20000000 | ||
212 | #define BM_CLKCTRL_SSP0_DIV_FRAC_EN 0x00000200 | ||
213 | #define BP_CLKCTRL_SSP0_DIV 0 | ||
214 | #define BM_CLKCTRL_SSP0_DIV 0x000001FF | ||
215 | #define BF_CLKCTRL_SSP0_DIV(v) \ | ||
216 | (((v) << 0) & BM_CLKCTRL_SSP0_DIV) | ||
217 | |||
218 | #define HW_CLKCTRL_SSP1 (0x000000a0) | ||
219 | |||
220 | #define BP_CLKCTRL_SSP1_CLKGATE 31 | ||
221 | #define BM_CLKCTRL_SSP1_CLKGATE 0x80000000 | ||
222 | #define BM_CLKCTRL_SSP1_BUSY 0x20000000 | ||
223 | #define BM_CLKCTRL_SSP1_DIV_FRAC_EN 0x00000200 | ||
224 | #define BP_CLKCTRL_SSP1_DIV 0 | ||
225 | #define BM_CLKCTRL_SSP1_DIV 0x000001FF | ||
226 | #define BF_CLKCTRL_SSP1_DIV(v) \ | ||
227 | (((v) << 0) & BM_CLKCTRL_SSP1_DIV) | ||
228 | |||
229 | #define HW_CLKCTRL_SSP2 (0x000000b0) | ||
230 | |||
231 | #define BP_CLKCTRL_SSP2_CLKGATE 31 | ||
232 | #define BM_CLKCTRL_SSP2_CLKGATE 0x80000000 | ||
233 | #define BM_CLKCTRL_SSP2_BUSY 0x20000000 | ||
234 | #define BM_CLKCTRL_SSP2_DIV_FRAC_EN 0x00000200 | ||
235 | #define BP_CLKCTRL_SSP2_DIV 0 | ||
236 | #define BM_CLKCTRL_SSP2_DIV 0x000001FF | ||
237 | #define BF_CLKCTRL_SSP2_DIV(v) \ | ||
238 | (((v) << 0) & BM_CLKCTRL_SSP2_DIV) | ||
239 | |||
240 | #define HW_CLKCTRL_SSP3 (0x000000c0) | ||
241 | |||
242 | #define BP_CLKCTRL_SSP3_CLKGATE 31 | ||
243 | #define BM_CLKCTRL_SSP3_CLKGATE 0x80000000 | ||
244 | #define BM_CLKCTRL_SSP3_BUSY 0x20000000 | ||
245 | #define BM_CLKCTRL_SSP3_DIV_FRAC_EN 0x00000200 | ||
246 | #define BP_CLKCTRL_SSP3_DIV 0 | ||
247 | #define BM_CLKCTRL_SSP3_DIV 0x000001FF | ||
248 | #define BF_CLKCTRL_SSP3_DIV(v) \ | ||
249 | (((v) << 0) & BM_CLKCTRL_SSP3_DIV) | ||
250 | |||
251 | #define HW_CLKCTRL_GPMI (0x000000d0) | ||
252 | |||
253 | #define BP_CLKCTRL_GPMI_CLKGATE 31 | ||
254 | #define BM_CLKCTRL_GPMI_CLKGATE 0x80000000 | ||
255 | #define BM_CLKCTRL_GPMI_BUSY 0x20000000 | ||
256 | #define BM_CLKCTRL_GPMI_DIV_FRAC_EN 0x00000400 | ||
257 | #define BP_CLKCTRL_GPMI_DIV 0 | ||
258 | #define BM_CLKCTRL_GPMI_DIV 0x000003FF | ||
259 | #define BF_CLKCTRL_GPMI_DIV(v) \ | ||
260 | (((v) << 0) & BM_CLKCTRL_GPMI_DIV) | ||
261 | |||
262 | #define HW_CLKCTRL_SPDIF (0x000000e0) | ||
263 | |||
264 | #define BP_CLKCTRL_SPDIF_CLKGATE 31 | ||
265 | #define BM_CLKCTRL_SPDIF_CLKGATE 0x80000000 | ||
266 | |||
267 | #define HW_CLKCTRL_EMI (0x000000f0) | ||
268 | |||
269 | #define BP_CLKCTRL_EMI_CLKGATE 31 | ||
270 | #define BM_CLKCTRL_EMI_CLKGATE 0x80000000 | ||
271 | #define BM_CLKCTRL_EMI_SYNC_MODE_EN 0x40000000 | ||
272 | #define BM_CLKCTRL_EMI_BUSY_REF_XTAL 0x20000000 | ||
273 | #define BM_CLKCTRL_EMI_BUSY_REF_EMI 0x10000000 | ||
274 | #define BM_CLKCTRL_EMI_BUSY_REF_CPU 0x08000000 | ||
275 | #define BM_CLKCTRL_EMI_BUSY_SYNC_MODE 0x04000000 | ||
276 | #define BM_CLKCTRL_EMI_BUSY_DCC_RESYNC 0x00020000 | ||
277 | #define BM_CLKCTRL_EMI_DCC_RESYNC_ENABLE 0x00010000 | ||
278 | #define BP_CLKCTRL_EMI_DIV_XTAL 8 | ||
279 | #define BM_CLKCTRL_EMI_DIV_XTAL 0x00000F00 | ||
280 | #define BF_CLKCTRL_EMI_DIV_XTAL(v) \ | ||
281 | (((v) << 8) & BM_CLKCTRL_EMI_DIV_XTAL) | ||
282 | #define BP_CLKCTRL_EMI_DIV_EMI 0 | ||
283 | #define BM_CLKCTRL_EMI_DIV_EMI 0x0000003F | ||
284 | #define BF_CLKCTRL_EMI_DIV_EMI(v) \ | ||
285 | (((v) << 0) & BM_CLKCTRL_EMI_DIV_EMI) | ||
286 | |||
287 | #define HW_CLKCTRL_SAIF0 (0x00000100) | ||
288 | |||
289 | #define BP_CLKCTRL_SAIF0_CLKGATE 31 | ||
290 | #define BM_CLKCTRL_SAIF0_CLKGATE 0x80000000 | ||
291 | #define BM_CLKCTRL_SAIF0_BUSY 0x20000000 | ||
292 | #define BM_CLKCTRL_SAIF0_DIV_FRAC_EN 0x00010000 | ||
293 | #define BP_CLKCTRL_SAIF0_DIV 0 | ||
294 | #define BM_CLKCTRL_SAIF0_DIV 0x0000FFFF | ||
295 | #define BF_CLKCTRL_SAIF0_DIV(v) \ | ||
296 | (((v) << 0) & BM_CLKCTRL_SAIF0_DIV) | ||
297 | |||
298 | #define HW_CLKCTRL_SAIF1 (0x00000110) | ||
299 | |||
300 | #define BP_CLKCTRL_SAIF1_CLKGATE 31 | ||
301 | #define BM_CLKCTRL_SAIF1_CLKGATE 0x80000000 | ||
302 | #define BM_CLKCTRL_SAIF1_BUSY 0x20000000 | ||
303 | #define BM_CLKCTRL_SAIF1_DIV_FRAC_EN 0x00010000 | ||
304 | #define BP_CLKCTRL_SAIF1_DIV 0 | ||
305 | #define BM_CLKCTRL_SAIF1_DIV 0x0000FFFF | ||
306 | #define BF_CLKCTRL_SAIF1_DIV(v) \ | ||
307 | (((v) << 0) & BM_CLKCTRL_SAIF1_DIV) | ||
308 | |||
309 | #define HW_CLKCTRL_DIS_LCDIF (0x00000120) | ||
310 | |||
311 | #define BP_CLKCTRL_DIS_LCDIF_CLKGATE 31 | ||
312 | #define BM_CLKCTRL_DIS_LCDIF_CLKGATE 0x80000000 | ||
313 | #define BM_CLKCTRL_DIS_LCDIF_BUSY 0x20000000 | ||
314 | #define BM_CLKCTRL_DIS_LCDIF_DIV_FRAC_EN 0x00002000 | ||
315 | #define BP_CLKCTRL_DIS_LCDIF_DIV 0 | ||
316 | #define BM_CLKCTRL_DIS_LCDIF_DIV 0x00001FFF | ||
317 | #define BF_CLKCTRL_DIS_LCDIF_DIV(v) \ | ||
318 | (((v) << 0) & BM_CLKCTRL_DIS_LCDIF_DIV) | ||
319 | |||
320 | #define HW_CLKCTRL_ETM (0x00000130) | ||
321 | |||
322 | #define BM_CLKCTRL_ETM_CLKGATE 0x80000000 | ||
323 | #define BM_CLKCTRL_ETM_BUSY 0x20000000 | ||
324 | #define BM_CLKCTRL_ETM_DIV_FRAC_EN 0x00000080 | ||
325 | #define BP_CLKCTRL_ETM_DIV 0 | ||
326 | #define BM_CLKCTRL_ETM_DIV 0x0000007F | ||
327 | #define BF_CLKCTRL_ETM_DIV(v) \ | ||
328 | (((v) << 0) & BM_CLKCTRL_ETM_DIV) | ||
329 | |||
330 | #define HW_CLKCTRL_ENET (0x00000140) | ||
331 | |||
332 | #define BM_CLKCTRL_ENET_SLEEP 0x80000000 | ||
333 | #define BP_CLKCTRL_ENET_DISABLE 30 | ||
334 | #define BM_CLKCTRL_ENET_DISABLE 0x40000000 | ||
335 | #define BM_CLKCTRL_ENET_STATUS 0x20000000 | ||
336 | #define BM_CLKCTRL_ENET_BUSY_TIME 0x08000000 | ||
337 | #define BP_CLKCTRL_ENET_DIV_TIME 21 | ||
338 | #define BM_CLKCTRL_ENET_DIV_TIME 0x07E00000 | ||
339 | #define BF_CLKCTRL_ENET_DIV_TIME(v) \ | ||
340 | (((v) << 21) & BM_CLKCTRL_ENET_DIV_TIME) | ||
341 | #define BM_CLKCTRL_ENET_BUSY 0x08000000 | ||
342 | #define BP_CLKCTRL_ENET_DIV 21 | ||
343 | #define BM_CLKCTRL_ENET_DIV 0x07E00000 | ||
344 | #define BF_CLKCTRL_ENET_DIV(v) \ | ||
345 | (((v) << 21) & BM_CLKCTRL_ENET_DIV) | ||
346 | #define BP_CLKCTRL_ENET_TIME_SEL 19 | ||
347 | #define BM_CLKCTRL_ENET_TIME_SEL 0x00180000 | ||
348 | #define BF_CLKCTRL_ENET_TIME_SEL(v) \ | ||
349 | (((v) << 19) & BM_CLKCTRL_ENET_TIME_SEL) | ||
350 | #define BV_CLKCTRL_ENET_TIME_SEL__XTAL 0x0 | ||
351 | #define BV_CLKCTRL_ENET_TIME_SEL__PLL 0x1 | ||
352 | #define BV_CLKCTRL_ENET_TIME_SEL__RMII_CLK 0x2 | ||
353 | #define BV_CLKCTRL_ENET_TIME_SEL__UNDEFINED 0x3 | ||
354 | #define BM_CLKCTRL_ENET_CLK_OUT_EN 0x00040000 | ||
355 | #define BM_CLKCTRL_ENET_RESET_BY_SW_CHIP 0x00020000 | ||
356 | #define BM_CLKCTRL_ENET_RESET_BY_SW 0x00010000 | ||
357 | |||
358 | #define HW_CLKCTRL_HSADC (0x00000150) | ||
359 | |||
360 | #define BM_CLKCTRL_HSADC_RESETB 0x40000000 | ||
361 | #define BP_CLKCTRL_HSADC_FREQDIV 28 | ||
362 | #define BM_CLKCTRL_HSADC_FREQDIV 0x30000000 | ||
363 | #define BF_CLKCTRL_HSADC_FREQDIV(v) \ | ||
364 | (((v) << 28) & BM_CLKCTRL_HSADC_FREQDIV) | ||
365 | |||
366 | #define HW_CLKCTRL_FLEXCAN (0x00000160) | ||
367 | |||
368 | #define BP_CLKCTRL_FLEXCAN_STOP_CAN0 30 | ||
369 | #define BM_CLKCTRL_FLEXCAN_STOP_CAN0 0x40000000 | ||
370 | #define BM_CLKCTRL_FLEXCAN_CAN0_STATUS 0x20000000 | ||
371 | #define BP_CLKCTRL_FLEXCAN_STOP_CAN1 28 | ||
372 | #define BM_CLKCTRL_FLEXCAN_STOP_CAN1 0x10000000 | ||
373 | #define BM_CLKCTRL_FLEXCAN_CAN1_STATUS 0x08000000 | ||
374 | |||
375 | #define HW_CLKCTRL_FRAC0 (0x000001b0) | ||
376 | #define HW_CLKCTRL_FRAC0_SET (0x000001b4) | ||
377 | #define HW_CLKCTRL_FRAC0_CLR (0x000001b8) | ||
378 | #define HW_CLKCTRL_FRAC0_TOG (0x000001bc) | ||
379 | |||
380 | #define BP_CLKCTRL_FRAC0_CLKGATEIO0 31 | ||
381 | #define BM_CLKCTRL_FRAC0_CLKGATEIO0 0x80000000 | ||
382 | #define BM_CLKCTRL_FRAC0_IO0_STABLE 0x40000000 | ||
383 | #define BP_CLKCTRL_FRAC0_IO0FRAC 24 | ||
384 | #define BM_CLKCTRL_FRAC0_IO0FRAC 0x3F000000 | ||
385 | #define BF_CLKCTRL_FRAC0_IO0FRAC(v) \ | ||
386 | (((v) << 24) & BM_CLKCTRL_FRAC0_IO0FRAC) | ||
387 | #define BP_CLKCTRL_FRAC0_CLKGATEIO1 23 | ||
388 | #define BM_CLKCTRL_FRAC0_CLKGATEIO1 0x00800000 | ||
389 | #define BM_CLKCTRL_FRAC0_IO1_STABLE 0x00400000 | ||
390 | #define BP_CLKCTRL_FRAC0_IO1FRAC 16 | ||
391 | #define BM_CLKCTRL_FRAC0_IO1FRAC 0x003F0000 | ||
392 | #define BF_CLKCTRL_FRAC0_IO1FRAC(v) \ | ||
393 | (((v) << 16) & BM_CLKCTRL_FRAC0_IO1FRAC) | ||
394 | #define BP_CLKCTRL_FRAC0_CLKGATEEMI 15 | ||
395 | #define BM_CLKCTRL_FRAC0_CLKGATEEMI 0x00008000 | ||
396 | #define BM_CLKCTRL_FRAC0_EMI_STABLE 0x00004000 | ||
397 | #define BP_CLKCTRL_FRAC0_EMIFRAC 8 | ||
398 | #define BM_CLKCTRL_FRAC0_EMIFRAC 0x00003F00 | ||
399 | #define BF_CLKCTRL_FRAC0_EMIFRAC(v) \ | ||
400 | (((v) << 8) & BM_CLKCTRL_FRAC0_EMIFRAC) | ||
401 | #define BP_CLKCTRL_FRAC0_CLKGATECPU 7 | ||
402 | #define BM_CLKCTRL_FRAC0_CLKGATECPU 0x00000080 | ||
403 | #define BM_CLKCTRL_FRAC0_CPU_STABLE 0x00000040 | ||
404 | #define BP_CLKCTRL_FRAC0_CPUFRAC 0 | ||
405 | #define BM_CLKCTRL_FRAC0_CPUFRAC 0x0000003F | ||
406 | #define BF_CLKCTRL_FRAC0_CPUFRAC(v) \ | ||
407 | (((v) << 0) & BM_CLKCTRL_FRAC0_CPUFRAC) | ||
408 | |||
409 | #define HW_CLKCTRL_FRAC1 (0x000001c0) | ||
410 | #define HW_CLKCTRL_FRAC1_SET (0x000001c4) | ||
411 | #define HW_CLKCTRL_FRAC1_CLR (0x000001c8) | ||
412 | #define HW_CLKCTRL_FRAC1_TOG (0x000001cc) | ||
413 | |||
414 | #define BP_CLKCTRL_FRAC1_CLKGATEGPMI 23 | ||
415 | #define BM_CLKCTRL_FRAC1_CLKGATEGPMI 0x00800000 | ||
416 | #define BM_CLKCTRL_FRAC1_GPMI_STABLE 0x00400000 | ||
417 | #define BP_CLKCTRL_FRAC1_GPMIFRAC 16 | ||
418 | #define BM_CLKCTRL_FRAC1_GPMIFRAC 0x003F0000 | ||
419 | #define BF_CLKCTRL_FRAC1_GPMIFRAC(v) \ | ||
420 | (((v) << 16) & BM_CLKCTRL_FRAC1_GPMIFRAC) | ||
421 | #define BP_CLKCTRL_FRAC1_CLKGATEHSADC 15 | ||
422 | #define BM_CLKCTRL_FRAC1_CLKGATEHSADC 0x00008000 | ||
423 | #define BM_CLKCTRL_FRAC1_HSADC_STABLE 0x00004000 | ||
424 | #define BP_CLKCTRL_FRAC1_HSADCFRAC 8 | ||
425 | #define BM_CLKCTRL_FRAC1_HSADCFRAC 0x00003F00 | ||
426 | #define BF_CLKCTRL_FRAC1_HSADCFRAC(v) \ | ||
427 | (((v) << 8) & BM_CLKCTRL_FRAC1_HSADCFRAC) | ||
428 | #define BP_CLKCTRL_FRAC1_CLKGATEPIX 7 | ||
429 | #define BM_CLKCTRL_FRAC1_CLKGATEPIX 0x00000080 | ||
430 | #define BM_CLKCTRL_FRAC1_PIX_STABLE 0x00000040 | ||
431 | #define BP_CLKCTRL_FRAC1_PIXFRAC 0 | ||
432 | #define BM_CLKCTRL_FRAC1_PIXFRAC 0x0000003F | ||
433 | #define BF_CLKCTRL_FRAC1_PIXFRAC(v) \ | ||
434 | (((v) << 0) & BM_CLKCTRL_FRAC1_PIXFRAC) | ||
435 | |||
436 | #define HW_CLKCTRL_CLKSEQ (0x000001d0) | ||
437 | #define HW_CLKCTRL_CLKSEQ_SET (0x000001d4) | ||
438 | #define HW_CLKCTRL_CLKSEQ_CLR (0x000001d8) | ||
439 | #define HW_CLKCTRL_CLKSEQ_TOG (0x000001dc) | ||
440 | |||
441 | #define BM_CLKCTRL_CLKSEQ_BYPASS_CPU 0x00040000 | ||
442 | #define BM_CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF 0x00004000 | ||
443 | #define BV_CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF__BYPASS 0x1 | ||
444 | #define BV_CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF__PFD 0x0 | ||
445 | #define BM_CLKCTRL_CLKSEQ_BYPASS_ETM 0x00000100 | ||
446 | #define BM_CLKCTRL_CLKSEQ_BYPASS_EMI 0x00000080 | ||
447 | #define BM_CLKCTRL_CLKSEQ_BYPASS_SSP3 0x00000040 | ||
448 | #define BM_CLKCTRL_CLKSEQ_BYPASS_SSP2 0x00000020 | ||
449 | #define BM_CLKCTRL_CLKSEQ_BYPASS_SSP1 0x00000010 | ||
450 | #define BM_CLKCTRL_CLKSEQ_BYPASS_SSP0 0x00000008 | ||
451 | #define BM_CLKCTRL_CLKSEQ_BYPASS_GPMI 0x00000004 | ||
452 | #define BM_CLKCTRL_CLKSEQ_BYPASS_SAIF1 0x00000002 | ||
453 | #define BM_CLKCTRL_CLKSEQ_BYPASS_SAIF0 0x00000001 | ||
454 | |||
455 | #define HW_CLKCTRL_RESET (0x000001e0) | ||
456 | |||
457 | #define BM_CLKCTRL_RESET_WDOG_POR_DISABLE 0x00000020 | ||
458 | #define BM_CLKCTRL_RESET_EXTERNAL_RESET_ENABLE 0x00000010 | ||
459 | #define BM_CLKCTRL_RESET_THERMAL_RESET_ENABLE 0x00000008 | ||
460 | #define BM_CLKCTRL_RESET_THERMAL_RESET_DEFAULT 0x00000004 | ||
461 | #define BM_CLKCTRL_RESET_CHIP 0x00000002 | ||
462 | #define BM_CLKCTRL_RESET_DIG 0x00000001 | ||
463 | |||
464 | #define HW_CLKCTRL_STATUS (0x000001f0) | ||
465 | |||
466 | #define BP_CLKCTRL_STATUS_CPU_LIMIT 30 | ||
467 | #define BM_CLKCTRL_STATUS_CPU_LIMIT 0xC0000000 | ||
468 | #define BF_CLKCTRL_STATUS_CPU_LIMIT(v) \ | ||
469 | (((v) << 30) & BM_CLKCTRL_STATUS_CPU_LIMIT) | ||
470 | |||
471 | #define HW_CLKCTRL_VERSION (0x00000200) | ||
472 | |||
473 | #define BP_CLKCTRL_VERSION_MAJOR 24 | ||
474 | #define BM_CLKCTRL_VERSION_MAJOR 0xFF000000 | ||
475 | #define BF_CLKCTRL_VERSION_MAJOR(v) \ | ||
476 | (((v) << 24) & BM_CLKCTRL_VERSION_MAJOR) | ||
477 | #define BP_CLKCTRL_VERSION_MINOR 16 | ||
478 | #define BM_CLKCTRL_VERSION_MINOR 0x00FF0000 | ||
479 | #define BF_CLKCTRL_VERSION_MINOR(v) \ | ||
480 | (((v) << 16) & BM_CLKCTRL_VERSION_MINOR) | ||
481 | #define BP_CLKCTRL_VERSION_STEP 0 | ||
482 | #define BM_CLKCTRL_VERSION_STEP 0x0000FFFF | ||
483 | #define BF_CLKCTRL_VERSION_STEP(v) \ | ||
484 | (((v) << 0) & BM_CLKCTRL_VERSION_STEP) | ||
485 | |||
486 | #endif /* __REGS_CLKCTRL_MX28_H__ */ | ||
diff --git a/arch/arm/mach-mxs/system.c b/arch/arm/mach-mxs/system.c index 80ac1fca8a00..30042e23bfa7 100644 --- a/arch/arm/mach-mxs/system.c +++ b/arch/arm/mach-mxs/system.c | |||
@@ -37,8 +37,6 @@ | |||
37 | #define MXS_MODULE_CLKGATE (1 << 30) | 37 | #define MXS_MODULE_CLKGATE (1 << 30) |
38 | #define MXS_MODULE_SFTRST (1 << 31) | 38 | #define MXS_MODULE_SFTRST (1 << 31) |
39 | 39 | ||
40 | #define CLKCTRL_TIMEOUT 10 /* 10 ms */ | ||
41 | |||
42 | static void __iomem *mxs_clkctrl_reset_addr; | 40 | static void __iomem *mxs_clkctrl_reset_addr; |
43 | 41 | ||
44 | /* | 42 | /* |
@@ -139,17 +137,3 @@ error: | |||
139 | return -ETIMEDOUT; | 137 | return -ETIMEDOUT; |
140 | } | 138 | } |
141 | EXPORT_SYMBOL(mxs_reset_block); | 139 | EXPORT_SYMBOL(mxs_reset_block); |
142 | |||
143 | int mxs_clkctrl_timeout(unsigned int reg_offset, unsigned int mask) | ||
144 | { | ||
145 | unsigned long timeout = jiffies + msecs_to_jiffies(CLKCTRL_TIMEOUT); | ||
146 | while (readl_relaxed(MXS_IO_ADDRESS(MXS_CLKCTRL_BASE_ADDR) | ||
147 | + reg_offset) & mask) { | ||
148 | if (time_after(jiffies, timeout)) { | ||
149 | pr_err("Timeout at CLKCTRL + 0x%x\n", reg_offset); | ||
150 | return -ETIMEDOUT; | ||
151 | } | ||
152 | } | ||
153 | |||
154 | return 0; | ||
155 | } | ||
diff --git a/arch/arm/mach-mxs/timer.c b/arch/arm/mach-mxs/timer.c index 564a63279f18..02d36de9c4e8 100644 --- a/arch/arm/mach-mxs/timer.c +++ b/arch/arm/mach-mxs/timer.c | |||
@@ -20,6 +20,7 @@ | |||
20 | * MA 02110-1301, USA. | 20 | * MA 02110-1301, USA. |
21 | */ | 21 | */ |
22 | 22 | ||
23 | #include <linux/err.h> | ||
23 | #include <linux/interrupt.h> | 24 | #include <linux/interrupt.h> |
24 | #include <linux/irq.h> | 25 | #include <linux/irq.h> |
25 | #include <linux/clockchips.h> | 26 | #include <linux/clockchips.h> |
@@ -243,8 +244,16 @@ static int __init mxs_clocksource_init(struct clk *timer_clk) | |||
243 | return 0; | 244 | return 0; |
244 | } | 245 | } |
245 | 246 | ||
246 | void __init mxs_timer_init(struct clk *timer_clk, int irq) | 247 | void __init mxs_timer_init(int irq) |
247 | { | 248 | { |
249 | struct clk *timer_clk; | ||
250 | |||
251 | timer_clk = clk_get_sys("timrot", NULL); | ||
252 | if (IS_ERR(timer_clk)) { | ||
253 | pr_err("%s: failed to get clk\n", __func__); | ||
254 | return; | ||
255 | } | ||
256 | |||
248 | clk_prepare_enable(timer_clk); | 257 | clk_prepare_enable(timer_clk); |
249 | 258 | ||
250 | /* | 259 | /* |
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index e2e9db492d0c..9148b229d0de 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c | |||
@@ -18,6 +18,7 @@ | |||
18 | #include <linux/mv643xx_i2c.h> | 18 | #include <linux/mv643xx_i2c.h> |
19 | #include <linux/ata_platform.h> | 19 | #include <linux/ata_platform.h> |
20 | #include <linux/delay.h> | 20 | #include <linux/delay.h> |
21 | #include <linux/clk-provider.h> | ||
21 | #include <net/dsa.h> | 22 | #include <net/dsa.h> |
22 | #include <asm/page.h> | 23 | #include <asm/page.h> |
23 | #include <asm/setup.h> | 24 | #include <asm/setup.h> |
@@ -70,6 +71,19 @@ void __init orion5x_map_io(void) | |||
70 | 71 | ||
71 | 72 | ||
72 | /***************************************************************************** | 73 | /***************************************************************************** |
74 | * CLK tree | ||
75 | ****************************************************************************/ | ||
76 | static struct clk *tclk; | ||
77 | |||
78 | static void __init clk_init(void) | ||
79 | { | ||
80 | tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT, | ||
81 | orion5x_tclk); | ||
82 | |||
83 | orion_clkdev_init(tclk); | ||
84 | } | ||
85 | |||
86 | /***************************************************************************** | ||
73 | * EHCI0 | 87 | * EHCI0 |
74 | ****************************************************************************/ | 88 | ****************************************************************************/ |
75 | void __init orion5x_ehci0_init(void) | 89 | void __init orion5x_ehci0_init(void) |
@@ -95,7 +109,7 @@ void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) | |||
95 | { | 109 | { |
96 | orion_ge00_init(eth_data, | 110 | orion_ge00_init(eth_data, |
97 | ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM, | 111 | ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM, |
98 | IRQ_ORION5X_ETH_ERR, orion5x_tclk); | 112 | IRQ_ORION5X_ETH_ERR); |
99 | } | 113 | } |
100 | 114 | ||
101 | 115 | ||
@@ -132,7 +146,7 @@ void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data) | |||
132 | ****************************************************************************/ | 146 | ****************************************************************************/ |
133 | void __init orion5x_spi_init() | 147 | void __init orion5x_spi_init() |
134 | { | 148 | { |
135 | orion_spi_init(SPI_PHYS_BASE, orion5x_tclk); | 149 | orion_spi_init(SPI_PHYS_BASE); |
136 | } | 150 | } |
137 | 151 | ||
138 | 152 | ||
@@ -142,7 +156,7 @@ void __init orion5x_spi_init() | |||
142 | void __init orion5x_uart0_init(void) | 156 | void __init orion5x_uart0_init(void) |
143 | { | 157 | { |
144 | orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, | 158 | orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, |
145 | IRQ_ORION5X_UART0, orion5x_tclk); | 159 | IRQ_ORION5X_UART0, tclk); |
146 | } | 160 | } |
147 | 161 | ||
148 | /***************************************************************************** | 162 | /***************************************************************************** |
@@ -151,7 +165,7 @@ void __init orion5x_uart0_init(void) | |||
151 | void __init orion5x_uart1_init(void) | 165 | void __init orion5x_uart1_init(void) |
152 | { | 166 | { |
153 | orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, | 167 | orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, |
154 | IRQ_ORION5X_UART1, orion5x_tclk); | 168 | IRQ_ORION5X_UART1, tclk); |
155 | } | 169 | } |
156 | 170 | ||
157 | /***************************************************************************** | 171 | /***************************************************************************** |
@@ -179,7 +193,7 @@ static void __init orion5x_crypto_init(void) | |||
179 | ****************************************************************************/ | 193 | ****************************************************************************/ |
180 | void __init orion5x_wdt_init(void) | 194 | void __init orion5x_wdt_init(void) |
181 | { | 195 | { |
182 | orion_wdt_init(orion5x_tclk); | 196 | orion_wdt_init(); |
183 | } | 197 | } |
184 | 198 | ||
185 | 199 | ||
@@ -276,6 +290,9 @@ void __init orion5x_init(void) | |||
276 | */ | 290 | */ |
277 | orion5x_setup_cpu_mbus_bridge(); | 291 | orion5x_setup_cpu_mbus_bridge(); |
278 | 292 | ||
293 | /* Setup root of clk tree */ | ||
294 | clk_init(); | ||
295 | |||
279 | /* | 296 | /* |
280 | * Don't issue "Wait for Interrupt" instruction if we are | 297 | * Don't issue "Wait for Interrupt" instruction if we are |
281 | * running on D0 5281 silicon. | 298 | * running on D0 5281 silicon. |
diff --git a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c index e91bf0ba4e8e..92df49c1b62a 100644 --- a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c +++ b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c | |||
@@ -16,7 +16,6 @@ | |||
16 | #include <linux/mtd/physmap.h> | 16 | #include <linux/mtd/physmap.h> |
17 | #include <linux/mv643xx_eth.h> | 17 | #include <linux/mv643xx_eth.h> |
18 | #include <linux/spi/spi.h> | 18 | #include <linux/spi/spi.h> |
19 | #include <linux/spi/orion_spi.h> | ||
20 | #include <linux/spi/flash.h> | 19 | #include <linux/spi/flash.h> |
21 | #include <linux/ethtool.h> | 20 | #include <linux/ethtool.h> |
22 | #include <net/dsa.h> | 21 | #include <net/dsa.h> |
diff --git a/arch/arm/mach-spear3xx/Makefile b/arch/arm/mach-spear3xx/Makefile index 17b5d83cf2d5..8d12faa178fd 100644 --- a/arch/arm/mach-spear3xx/Makefile +++ b/arch/arm/mach-spear3xx/Makefile | |||
@@ -3,7 +3,7 @@ | |||
3 | # | 3 | # |
4 | 4 | ||
5 | # common files | 5 | # common files |
6 | obj-$(CONFIG_ARCH_SPEAR3XX) += spear3xx.o clock.o | 6 | obj-$(CONFIG_ARCH_SPEAR3XX) += spear3xx.o |
7 | 7 | ||
8 | # spear300 specific files | 8 | # spear300 specific files |
9 | obj-$(CONFIG_MACH_SPEAR300) += spear300.o | 9 | obj-$(CONFIG_MACH_SPEAR300) += spear300.o |
diff --git a/arch/arm/mach-spear3xx/clock.c b/arch/arm/mach-spear3xx/clock.c deleted file mode 100644 index cd6c11099083..000000000000 --- a/arch/arm/mach-spear3xx/clock.c +++ /dev/null | |||
@@ -1,892 +0,0 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-spear3xx/clock.c | ||
3 | * | ||
4 | * SPEAr3xx machines clock framework source file | ||
5 | * | ||
6 | * Copyright (C) 2009 ST Microelectronics | ||
7 | * Viresh Kumar<viresh.kumar@st.com> | ||
8 | * | ||
9 | * This file is licensed under the terms of the GNU General Public | ||
10 | * License version 2. This program is licensed "as is" without any | ||
11 | * warranty of any kind, whether express or implied. | ||
12 | */ | ||
13 | |||
14 | #include <linux/clkdev.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <linux/kernel.h> | ||
18 | #include <linux/of_platform.h> | ||
19 | #include <asm/mach-types.h> | ||
20 | #include <plat/clock.h> | ||
21 | #include <mach/misc_regs.h> | ||
22 | #include <mach/spear.h> | ||
23 | |||
24 | #define PLL1_CTR (MISC_BASE + 0x008) | ||
25 | #define PLL1_FRQ (MISC_BASE + 0x00C) | ||
26 | #define PLL1_MOD (MISC_BASE + 0x010) | ||
27 | #define PLL2_CTR (MISC_BASE + 0x014) | ||
28 | /* PLL_CTR register masks */ | ||
29 | #define PLL_ENABLE 2 | ||
30 | #define PLL_MODE_SHIFT 4 | ||
31 | #define PLL_MODE_MASK 0x3 | ||
32 | #define PLL_MODE_NORMAL 0 | ||
33 | #define PLL_MODE_FRACTION 1 | ||
34 | #define PLL_MODE_DITH_DSB 2 | ||
35 | #define PLL_MODE_DITH_SSB 3 | ||
36 | |||
37 | #define PLL2_FRQ (MISC_BASE + 0x018) | ||
38 | /* PLL FRQ register masks */ | ||
39 | #define PLL_DIV_N_SHIFT 0 | ||
40 | #define PLL_DIV_N_MASK 0xFF | ||
41 | #define PLL_DIV_P_SHIFT 8 | ||
42 | #define PLL_DIV_P_MASK 0x7 | ||
43 | #define PLL_NORM_FDBK_M_SHIFT 24 | ||
44 | #define PLL_NORM_FDBK_M_MASK 0xFF | ||
45 | #define PLL_DITH_FDBK_M_SHIFT 16 | ||
46 | #define PLL_DITH_FDBK_M_MASK 0xFFFF | ||
47 | |||
48 | #define PLL2_MOD (MISC_BASE + 0x01C) | ||
49 | #define PLL_CLK_CFG (MISC_BASE + 0x020) | ||
50 | #define CORE_CLK_CFG (MISC_BASE + 0x024) | ||
51 | /* CORE CLK CFG register masks */ | ||
52 | #define PLL_HCLK_RATIO_SHIFT 10 | ||
53 | #define PLL_HCLK_RATIO_MASK 0x3 | ||
54 | #define HCLK_PCLK_RATIO_SHIFT 8 | ||
55 | #define HCLK_PCLK_RATIO_MASK 0x3 | ||
56 | |||
57 | #define PERIP_CLK_CFG (MISC_BASE + 0x028) | ||
58 | /* PERIP_CLK_CFG register masks */ | ||
59 | #define UART_CLK_SHIFT 4 | ||
60 | #define UART_CLK_MASK 0x1 | ||
61 | #define FIRDA_CLK_SHIFT 5 | ||
62 | #define FIRDA_CLK_MASK 0x3 | ||
63 | #define GPT0_CLK_SHIFT 8 | ||
64 | #define GPT1_CLK_SHIFT 11 | ||
65 | #define GPT2_CLK_SHIFT 12 | ||
66 | #define GPT_CLK_MASK 0x1 | ||
67 | #define AUX_CLK_PLL3_VAL 0 | ||
68 | #define AUX_CLK_PLL1_VAL 1 | ||
69 | |||
70 | #define PERIP1_CLK_ENB (MISC_BASE + 0x02C) | ||
71 | /* PERIP1_CLK_ENB register masks */ | ||
72 | #define UART_CLK_ENB 3 | ||
73 | #define SSP_CLK_ENB 5 | ||
74 | #define I2C_CLK_ENB 7 | ||
75 | #define JPEG_CLK_ENB 8 | ||
76 | #define FIRDA_CLK_ENB 10 | ||
77 | #define GPT1_CLK_ENB 11 | ||
78 | #define GPT2_CLK_ENB 12 | ||
79 | #define ADC_CLK_ENB 15 | ||
80 | #define RTC_CLK_ENB 17 | ||
81 | #define GPIO_CLK_ENB 18 | ||
82 | #define DMA_CLK_ENB 19 | ||
83 | #define SMI_CLK_ENB 21 | ||
84 | #define GMAC_CLK_ENB 23 | ||
85 | #define USBD_CLK_ENB 24 | ||
86 | #define USBH_CLK_ENB 25 | ||
87 | #define C3_CLK_ENB 31 | ||
88 | |||
89 | #define RAS_CLK_ENB (MISC_BASE + 0x034) | ||
90 | |||
91 | #define PRSC1_CLK_CFG (MISC_BASE + 0x044) | ||
92 | #define PRSC2_CLK_CFG (MISC_BASE + 0x048) | ||
93 | #define PRSC3_CLK_CFG (MISC_BASE + 0x04C) | ||
94 | /* gpt synthesizer register masks */ | ||
95 | #define GPT_MSCALE_SHIFT 0 | ||
96 | #define GPT_MSCALE_MASK 0xFFF | ||
97 | #define GPT_NSCALE_SHIFT 12 | ||
98 | #define GPT_NSCALE_MASK 0xF | ||
99 | |||
100 | #define AMEM_CLK_CFG (MISC_BASE + 0x050) | ||
101 | #define EXPI_CLK_CFG (MISC_BASE + 0x054) | ||
102 | #define CLCD_CLK_SYNT (MISC_BASE + 0x05C) | ||
103 | #define FIRDA_CLK_SYNT (MISC_BASE + 0x060) | ||
104 | #define UART_CLK_SYNT (MISC_BASE + 0x064) | ||
105 | #define GMAC_CLK_SYNT (MISC_BASE + 0x068) | ||
106 | #define RAS1_CLK_SYNT (MISC_BASE + 0x06C) | ||
107 | #define RAS2_CLK_SYNT (MISC_BASE + 0x070) | ||
108 | #define RAS3_CLK_SYNT (MISC_BASE + 0x074) | ||
109 | #define RAS4_CLK_SYNT (MISC_BASE + 0x078) | ||
110 | /* aux clk synthesiser register masks for irda to ras4 */ | ||
111 | #define AUX_SYNT_ENB 31 | ||
112 | #define AUX_EQ_SEL_SHIFT 30 | ||
113 | #define AUX_EQ_SEL_MASK 1 | ||
114 | #define AUX_EQ1_SEL 0 | ||
115 | #define AUX_EQ2_SEL 1 | ||
116 | #define AUX_XSCALE_SHIFT 16 | ||
117 | #define AUX_XSCALE_MASK 0xFFF | ||
118 | #define AUX_YSCALE_SHIFT 0 | ||
119 | #define AUX_YSCALE_MASK 0xFFF | ||
120 | |||
121 | /* root clks */ | ||
122 | /* 32 KHz oscillator clock */ | ||
123 | static struct clk osc_32k_clk = { | ||
124 | .flags = ALWAYS_ENABLED, | ||
125 | .rate = 32000, | ||
126 | }; | ||
127 | |||
128 | /* 24 MHz oscillator clock */ | ||
129 | static struct clk osc_24m_clk = { | ||
130 | .flags = ALWAYS_ENABLED, | ||
131 | .rate = 24000000, | ||
132 | }; | ||
133 | |||
134 | /* clock derived from 32 KHz osc clk */ | ||
135 | /* rtc clock */ | ||
136 | static struct clk rtc_clk = { | ||
137 | .pclk = &osc_32k_clk, | ||
138 | .en_reg = PERIP1_CLK_ENB, | ||
139 | .en_reg_bit = RTC_CLK_ENB, | ||
140 | .recalc = &follow_parent, | ||
141 | }; | ||
142 | |||
143 | /* clock derived from 24 MHz osc clk */ | ||
144 | /* pll masks structure */ | ||
145 | static struct pll_clk_masks pll1_masks = { | ||
146 | .mode_mask = PLL_MODE_MASK, | ||
147 | .mode_shift = PLL_MODE_SHIFT, | ||
148 | .norm_fdbk_m_mask = PLL_NORM_FDBK_M_MASK, | ||
149 | .norm_fdbk_m_shift = PLL_NORM_FDBK_M_SHIFT, | ||
150 | .dith_fdbk_m_mask = PLL_DITH_FDBK_M_MASK, | ||
151 | .dith_fdbk_m_shift = PLL_DITH_FDBK_M_SHIFT, | ||
152 | .div_p_mask = PLL_DIV_P_MASK, | ||
153 | .div_p_shift = PLL_DIV_P_SHIFT, | ||
154 | .div_n_mask = PLL_DIV_N_MASK, | ||
155 | .div_n_shift = PLL_DIV_N_SHIFT, | ||
156 | }; | ||
157 | |||
158 | /* pll1 configuration structure */ | ||
159 | static struct pll_clk_config pll1_config = { | ||
160 | .mode_reg = PLL1_CTR, | ||
161 | .cfg_reg = PLL1_FRQ, | ||
162 | .masks = &pll1_masks, | ||
163 | }; | ||
164 | |||
165 | /* pll rate configuration table, in ascending order of rates */ | ||
166 | struct pll_rate_tbl pll_rtbl[] = { | ||
167 | {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* 266 MHz */ | ||
168 | {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* 332 MHz */ | ||
169 | }; | ||
170 | |||
171 | /* PLL1 clock */ | ||
172 | static struct clk pll1_clk = { | ||
173 | .flags = ENABLED_ON_INIT, | ||
174 | .pclk = &osc_24m_clk, | ||
175 | .en_reg = PLL1_CTR, | ||
176 | .en_reg_bit = PLL_ENABLE, | ||
177 | .calc_rate = &pll_calc_rate, | ||
178 | .recalc = &pll_clk_recalc, | ||
179 | .set_rate = &pll_clk_set_rate, | ||
180 | .rate_config = {pll_rtbl, ARRAY_SIZE(pll_rtbl), 1}, | ||
181 | .private_data = &pll1_config, | ||
182 | }; | ||
183 | |||
184 | /* PLL3 48 MHz clock */ | ||
185 | static struct clk pll3_48m_clk = { | ||
186 | .flags = ALWAYS_ENABLED, | ||
187 | .pclk = &osc_24m_clk, | ||
188 | .rate = 48000000, | ||
189 | }; | ||
190 | |||
191 | /* watch dog timer clock */ | ||
192 | static struct clk wdt_clk = { | ||
193 | .flags = ALWAYS_ENABLED, | ||
194 | .pclk = &osc_24m_clk, | ||
195 | .recalc = &follow_parent, | ||
196 | }; | ||
197 | |||
198 | /* clock derived from pll1 clk */ | ||
199 | /* cpu clock */ | ||
200 | static struct clk cpu_clk = { | ||
201 | .flags = ALWAYS_ENABLED, | ||
202 | .pclk = &pll1_clk, | ||
203 | .recalc = &follow_parent, | ||
204 | }; | ||
205 | |||
206 | /* ahb masks structure */ | ||
207 | static struct bus_clk_masks ahb_masks = { | ||
208 | .mask = PLL_HCLK_RATIO_MASK, | ||
209 | .shift = PLL_HCLK_RATIO_SHIFT, | ||
210 | }; | ||
211 | |||
212 | /* ahb configuration structure */ | ||
213 | static struct bus_clk_config ahb_config = { | ||
214 | .reg = CORE_CLK_CFG, | ||
215 | .masks = &ahb_masks, | ||
216 | }; | ||
217 | |||
218 | /* ahb rate configuration table, in ascending order of rates */ | ||
219 | struct bus_rate_tbl bus_rtbl[] = { | ||
220 | {.div = 3}, /* == parent divided by 4 */ | ||
221 | {.div = 2}, /* == parent divided by 3 */ | ||
222 | {.div = 1}, /* == parent divided by 2 */ | ||
223 | {.div = 0}, /* == parent divided by 1 */ | ||
224 | }; | ||
225 | |||
226 | /* ahb clock */ | ||
227 | static struct clk ahb_clk = { | ||
228 | .flags = ALWAYS_ENABLED, | ||
229 | .pclk = &pll1_clk, | ||
230 | .calc_rate = &bus_calc_rate, | ||
231 | .recalc = &bus_clk_recalc, | ||
232 | .set_rate = &bus_clk_set_rate, | ||
233 | .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2}, | ||
234 | .private_data = &ahb_config, | ||
235 | }; | ||
236 | |||
237 | /* auxiliary synthesizers masks */ | ||
238 | static struct aux_clk_masks aux_masks = { | ||
239 | .eq_sel_mask = AUX_EQ_SEL_MASK, | ||
240 | .eq_sel_shift = AUX_EQ_SEL_SHIFT, | ||
241 | .eq1_mask = AUX_EQ1_SEL, | ||
242 | .eq2_mask = AUX_EQ2_SEL, | ||
243 | .xscale_sel_mask = AUX_XSCALE_MASK, | ||
244 | .xscale_sel_shift = AUX_XSCALE_SHIFT, | ||
245 | .yscale_sel_mask = AUX_YSCALE_MASK, | ||
246 | .yscale_sel_shift = AUX_YSCALE_SHIFT, | ||
247 | }; | ||
248 | |||
249 | /* uart synth configurations */ | ||
250 | static struct aux_clk_config uart_synth_config = { | ||
251 | .synth_reg = UART_CLK_SYNT, | ||
252 | .masks = &aux_masks, | ||
253 | }; | ||
254 | |||
255 | /* aux rate configuration table, in ascending order of rates */ | ||
256 | struct aux_rate_tbl aux_rtbl[] = { | ||
257 | /* For PLL1 = 332 MHz */ | ||
258 | {.xscale = 1, .yscale = 8, .eq = 1}, /* 41.5 MHz */ | ||
259 | {.xscale = 1, .yscale = 4, .eq = 1}, /* 83 MHz */ | ||
260 | {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ | ||
261 | }; | ||
262 | |||
263 | /* uart synth clock */ | ||
264 | static struct clk uart_synth_clk = { | ||
265 | .en_reg = UART_CLK_SYNT, | ||
266 | .en_reg_bit = AUX_SYNT_ENB, | ||
267 | .pclk = &pll1_clk, | ||
268 | .calc_rate = &aux_calc_rate, | ||
269 | .recalc = &aux_clk_recalc, | ||
270 | .set_rate = &aux_clk_set_rate, | ||
271 | .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1}, | ||
272 | .private_data = &uart_synth_config, | ||
273 | }; | ||
274 | |||
275 | /* uart parents */ | ||
276 | static struct pclk_info uart_pclk_info[] = { | ||
277 | { | ||
278 | .pclk = &uart_synth_clk, | ||
279 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
280 | }, { | ||
281 | .pclk = &pll3_48m_clk, | ||
282 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
283 | }, | ||
284 | }; | ||
285 | |||
286 | /* uart parent select structure */ | ||
287 | static struct pclk_sel uart_pclk_sel = { | ||
288 | .pclk_info = uart_pclk_info, | ||
289 | .pclk_count = ARRAY_SIZE(uart_pclk_info), | ||
290 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
291 | .pclk_sel_mask = UART_CLK_MASK, | ||
292 | }; | ||
293 | |||
294 | /* uart clock */ | ||
295 | static struct clk uart_clk = { | ||
296 | .en_reg = PERIP1_CLK_ENB, | ||
297 | .en_reg_bit = UART_CLK_ENB, | ||
298 | .pclk_sel = &uart_pclk_sel, | ||
299 | .pclk_sel_shift = UART_CLK_SHIFT, | ||
300 | .recalc = &follow_parent, | ||
301 | }; | ||
302 | |||
303 | /* firda configurations */ | ||
304 | static struct aux_clk_config firda_synth_config = { | ||
305 | .synth_reg = FIRDA_CLK_SYNT, | ||
306 | .masks = &aux_masks, | ||
307 | }; | ||
308 | |||
309 | /* firda synth clock */ | ||
310 | static struct clk firda_synth_clk = { | ||
311 | .en_reg = FIRDA_CLK_SYNT, | ||
312 | .en_reg_bit = AUX_SYNT_ENB, | ||
313 | .pclk = &pll1_clk, | ||
314 | .calc_rate = &aux_calc_rate, | ||
315 | .recalc = &aux_clk_recalc, | ||
316 | .set_rate = &aux_clk_set_rate, | ||
317 | .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 1}, | ||
318 | .private_data = &firda_synth_config, | ||
319 | }; | ||
320 | |||
321 | /* firda parents */ | ||
322 | static struct pclk_info firda_pclk_info[] = { | ||
323 | { | ||
324 | .pclk = &firda_synth_clk, | ||
325 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
326 | }, { | ||
327 | .pclk = &pll3_48m_clk, | ||
328 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
329 | }, | ||
330 | }; | ||
331 | |||
332 | /* firda parent select structure */ | ||
333 | static struct pclk_sel firda_pclk_sel = { | ||
334 | .pclk_info = firda_pclk_info, | ||
335 | .pclk_count = ARRAY_SIZE(firda_pclk_info), | ||
336 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
337 | .pclk_sel_mask = FIRDA_CLK_MASK, | ||
338 | }; | ||
339 | |||
340 | /* firda clock */ | ||
341 | static struct clk firda_clk = { | ||
342 | .en_reg = PERIP1_CLK_ENB, | ||
343 | .en_reg_bit = FIRDA_CLK_ENB, | ||
344 | .pclk_sel = &firda_pclk_sel, | ||
345 | .pclk_sel_shift = FIRDA_CLK_SHIFT, | ||
346 | .recalc = &follow_parent, | ||
347 | }; | ||
348 | |||
349 | /* gpt synthesizer masks */ | ||
350 | static struct gpt_clk_masks gpt_masks = { | ||
351 | .mscale_sel_mask = GPT_MSCALE_MASK, | ||
352 | .mscale_sel_shift = GPT_MSCALE_SHIFT, | ||
353 | .nscale_sel_mask = GPT_NSCALE_MASK, | ||
354 | .nscale_sel_shift = GPT_NSCALE_SHIFT, | ||
355 | }; | ||
356 | |||
357 | /* gpt rate configuration table, in ascending order of rates */ | ||
358 | struct gpt_rate_tbl gpt_rtbl[] = { | ||
359 | /* For pll1 = 332 MHz */ | ||
360 | {.mscale = 4, .nscale = 0}, /* 41.5 MHz */ | ||
361 | {.mscale = 2, .nscale = 0}, /* 55.3 MHz */ | ||
362 | {.mscale = 1, .nscale = 0}, /* 83 MHz */ | ||
363 | }; | ||
364 | |||
365 | /* gpt0 synth clk config*/ | ||
366 | static struct gpt_clk_config gpt0_synth_config = { | ||
367 | .synth_reg = PRSC1_CLK_CFG, | ||
368 | .masks = &gpt_masks, | ||
369 | }; | ||
370 | |||
371 | /* gpt synth clock */ | ||
372 | static struct clk gpt0_synth_clk = { | ||
373 | .flags = ALWAYS_ENABLED, | ||
374 | .pclk = &pll1_clk, | ||
375 | .calc_rate = &gpt_calc_rate, | ||
376 | .recalc = &gpt_clk_recalc, | ||
377 | .set_rate = &gpt_clk_set_rate, | ||
378 | .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, | ||
379 | .private_data = &gpt0_synth_config, | ||
380 | }; | ||
381 | |||
382 | /* gpt parents */ | ||
383 | static struct pclk_info gpt0_pclk_info[] = { | ||
384 | { | ||
385 | .pclk = &gpt0_synth_clk, | ||
386 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
387 | }, { | ||
388 | .pclk = &pll3_48m_clk, | ||
389 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
390 | }, | ||
391 | }; | ||
392 | |||
393 | /* gpt parent select structure */ | ||
394 | static struct pclk_sel gpt0_pclk_sel = { | ||
395 | .pclk_info = gpt0_pclk_info, | ||
396 | .pclk_count = ARRAY_SIZE(gpt0_pclk_info), | ||
397 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
398 | .pclk_sel_mask = GPT_CLK_MASK, | ||
399 | }; | ||
400 | |||
401 | /* gpt0 timer clock */ | ||
402 | static struct clk gpt0_clk = { | ||
403 | .flags = ALWAYS_ENABLED, | ||
404 | .pclk_sel = &gpt0_pclk_sel, | ||
405 | .pclk_sel_shift = GPT0_CLK_SHIFT, | ||
406 | .recalc = &follow_parent, | ||
407 | }; | ||
408 | |||
409 | /* gpt1 synth clk configurations */ | ||
410 | static struct gpt_clk_config gpt1_synth_config = { | ||
411 | .synth_reg = PRSC2_CLK_CFG, | ||
412 | .masks = &gpt_masks, | ||
413 | }; | ||
414 | |||
415 | /* gpt1 synth clock */ | ||
416 | static struct clk gpt1_synth_clk = { | ||
417 | .flags = ALWAYS_ENABLED, | ||
418 | .pclk = &pll1_clk, | ||
419 | .calc_rate = &gpt_calc_rate, | ||
420 | .recalc = &gpt_clk_recalc, | ||
421 | .set_rate = &gpt_clk_set_rate, | ||
422 | .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, | ||
423 | .private_data = &gpt1_synth_config, | ||
424 | }; | ||
425 | |||
426 | static struct pclk_info gpt1_pclk_info[] = { | ||
427 | { | ||
428 | .pclk = &gpt1_synth_clk, | ||
429 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
430 | }, { | ||
431 | .pclk = &pll3_48m_clk, | ||
432 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
433 | }, | ||
434 | }; | ||
435 | |||
436 | /* gpt parent select structure */ | ||
437 | static struct pclk_sel gpt1_pclk_sel = { | ||
438 | .pclk_info = gpt1_pclk_info, | ||
439 | .pclk_count = ARRAY_SIZE(gpt1_pclk_info), | ||
440 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
441 | .pclk_sel_mask = GPT_CLK_MASK, | ||
442 | }; | ||
443 | |||
444 | /* gpt1 timer clock */ | ||
445 | static struct clk gpt1_clk = { | ||
446 | .en_reg = PERIP1_CLK_ENB, | ||
447 | .en_reg_bit = GPT1_CLK_ENB, | ||
448 | .pclk_sel = &gpt1_pclk_sel, | ||
449 | .pclk_sel_shift = GPT1_CLK_SHIFT, | ||
450 | .recalc = &follow_parent, | ||
451 | }; | ||
452 | |||
453 | /* gpt2 synth clk configurations */ | ||
454 | static struct gpt_clk_config gpt2_synth_config = { | ||
455 | .synth_reg = PRSC3_CLK_CFG, | ||
456 | .masks = &gpt_masks, | ||
457 | }; | ||
458 | |||
459 | /* gpt1 synth clock */ | ||
460 | static struct clk gpt2_synth_clk = { | ||
461 | .flags = ALWAYS_ENABLED, | ||
462 | .pclk = &pll1_clk, | ||
463 | .calc_rate = &gpt_calc_rate, | ||
464 | .recalc = &gpt_clk_recalc, | ||
465 | .set_rate = &gpt_clk_set_rate, | ||
466 | .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, | ||
467 | .private_data = &gpt2_synth_config, | ||
468 | }; | ||
469 | |||
470 | static struct pclk_info gpt2_pclk_info[] = { | ||
471 | { | ||
472 | .pclk = &gpt2_synth_clk, | ||
473 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
474 | }, { | ||
475 | .pclk = &pll3_48m_clk, | ||
476 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
477 | }, | ||
478 | }; | ||
479 | |||
480 | /* gpt parent select structure */ | ||
481 | static struct pclk_sel gpt2_pclk_sel = { | ||
482 | .pclk_info = gpt2_pclk_info, | ||
483 | .pclk_count = ARRAY_SIZE(gpt2_pclk_info), | ||
484 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
485 | .pclk_sel_mask = GPT_CLK_MASK, | ||
486 | }; | ||
487 | |||
488 | /* gpt2 timer clock */ | ||
489 | static struct clk gpt2_clk = { | ||
490 | .en_reg = PERIP1_CLK_ENB, | ||
491 | .en_reg_bit = GPT2_CLK_ENB, | ||
492 | .pclk_sel = &gpt2_pclk_sel, | ||
493 | .pclk_sel_shift = GPT2_CLK_SHIFT, | ||
494 | .recalc = &follow_parent, | ||
495 | }; | ||
496 | |||
497 | /* clock derived from pll3 clk */ | ||
498 | /* usbh clock */ | ||
499 | static struct clk usbh_clk = { | ||
500 | .pclk = &pll3_48m_clk, | ||
501 | .en_reg = PERIP1_CLK_ENB, | ||
502 | .en_reg_bit = USBH_CLK_ENB, | ||
503 | .recalc = &follow_parent, | ||
504 | }; | ||
505 | |||
506 | /* usbd clock */ | ||
507 | static struct clk usbd_clk = { | ||
508 | .pclk = &pll3_48m_clk, | ||
509 | .en_reg = PERIP1_CLK_ENB, | ||
510 | .en_reg_bit = USBD_CLK_ENB, | ||
511 | .recalc = &follow_parent, | ||
512 | }; | ||
513 | |||
514 | /* clock derived from usbh clk */ | ||
515 | /* usbh0 clock */ | ||
516 | static struct clk usbh0_clk = { | ||
517 | .flags = ALWAYS_ENABLED, | ||
518 | .pclk = &usbh_clk, | ||
519 | .recalc = &follow_parent, | ||
520 | }; | ||
521 | |||
522 | /* usbh1 clock */ | ||
523 | static struct clk usbh1_clk = { | ||
524 | .flags = ALWAYS_ENABLED, | ||
525 | .pclk = &usbh_clk, | ||
526 | .recalc = &follow_parent, | ||
527 | }; | ||
528 | |||
529 | /* clock derived from ahb clk */ | ||
530 | /* apb masks structure */ | ||
531 | static struct bus_clk_masks apb_masks = { | ||
532 | .mask = HCLK_PCLK_RATIO_MASK, | ||
533 | .shift = HCLK_PCLK_RATIO_SHIFT, | ||
534 | }; | ||
535 | |||
536 | /* apb configuration structure */ | ||
537 | static struct bus_clk_config apb_config = { | ||
538 | .reg = CORE_CLK_CFG, | ||
539 | .masks = &apb_masks, | ||
540 | }; | ||
541 | |||
542 | /* apb clock */ | ||
543 | static struct clk apb_clk = { | ||
544 | .flags = ALWAYS_ENABLED, | ||
545 | .pclk = &ahb_clk, | ||
546 | .calc_rate = &bus_calc_rate, | ||
547 | .recalc = &bus_clk_recalc, | ||
548 | .set_rate = &bus_clk_set_rate, | ||
549 | .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2}, | ||
550 | .private_data = &apb_config, | ||
551 | }; | ||
552 | |||
553 | /* i2c clock */ | ||
554 | static struct clk i2c_clk = { | ||
555 | .pclk = &ahb_clk, | ||
556 | .en_reg = PERIP1_CLK_ENB, | ||
557 | .en_reg_bit = I2C_CLK_ENB, | ||
558 | .recalc = &follow_parent, | ||
559 | }; | ||
560 | |||
561 | /* dma clock */ | ||
562 | static struct clk dma_clk = { | ||
563 | .pclk = &ahb_clk, | ||
564 | .en_reg = PERIP1_CLK_ENB, | ||
565 | .en_reg_bit = DMA_CLK_ENB, | ||
566 | .recalc = &follow_parent, | ||
567 | }; | ||
568 | |||
569 | /* jpeg clock */ | ||
570 | static struct clk jpeg_clk = { | ||
571 | .pclk = &ahb_clk, | ||
572 | .en_reg = PERIP1_CLK_ENB, | ||
573 | .en_reg_bit = JPEG_CLK_ENB, | ||
574 | .recalc = &follow_parent, | ||
575 | }; | ||
576 | |||
577 | /* gmac clock */ | ||
578 | static struct clk gmac_clk = { | ||
579 | .pclk = &ahb_clk, | ||
580 | .en_reg = PERIP1_CLK_ENB, | ||
581 | .en_reg_bit = GMAC_CLK_ENB, | ||
582 | .recalc = &follow_parent, | ||
583 | }; | ||
584 | |||
585 | /* smi clock */ | ||
586 | static struct clk smi_clk = { | ||
587 | .pclk = &ahb_clk, | ||
588 | .en_reg = PERIP1_CLK_ENB, | ||
589 | .en_reg_bit = SMI_CLK_ENB, | ||
590 | .recalc = &follow_parent, | ||
591 | }; | ||
592 | |||
593 | /* c3 clock */ | ||
594 | static struct clk c3_clk = { | ||
595 | .pclk = &ahb_clk, | ||
596 | .en_reg = PERIP1_CLK_ENB, | ||
597 | .en_reg_bit = C3_CLK_ENB, | ||
598 | .recalc = &follow_parent, | ||
599 | }; | ||
600 | |||
601 | /* clock derived from apb clk */ | ||
602 | /* adc clock */ | ||
603 | static struct clk adc_clk = { | ||
604 | .pclk = &apb_clk, | ||
605 | .en_reg = PERIP1_CLK_ENB, | ||
606 | .en_reg_bit = ADC_CLK_ENB, | ||
607 | .recalc = &follow_parent, | ||
608 | }; | ||
609 | |||
610 | #if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320) | ||
611 | /* emi clock */ | ||
612 | static struct clk emi_clk = { | ||
613 | .flags = ALWAYS_ENABLED, | ||
614 | .pclk = &ahb_clk, | ||
615 | .recalc = &follow_parent, | ||
616 | }; | ||
617 | #endif | ||
618 | |||
619 | /* ssp clock */ | ||
620 | static struct clk ssp0_clk = { | ||
621 | .pclk = &apb_clk, | ||
622 | .en_reg = PERIP1_CLK_ENB, | ||
623 | .en_reg_bit = SSP_CLK_ENB, | ||
624 | .recalc = &follow_parent, | ||
625 | }; | ||
626 | |||
627 | /* gpio clock */ | ||
628 | static struct clk gpio_clk = { | ||
629 | .pclk = &apb_clk, | ||
630 | .en_reg = PERIP1_CLK_ENB, | ||
631 | .en_reg_bit = GPIO_CLK_ENB, | ||
632 | .recalc = &follow_parent, | ||
633 | }; | ||
634 | |||
635 | static struct clk dummy_apb_pclk; | ||
636 | |||
637 | #if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \ | ||
638 | defined(CONFIG_MACH_SPEAR320) | ||
639 | /* fsmc clock */ | ||
640 | static struct clk fsmc_clk = { | ||
641 | .flags = ALWAYS_ENABLED, | ||
642 | .pclk = &ahb_clk, | ||
643 | .recalc = &follow_parent, | ||
644 | }; | ||
645 | #endif | ||
646 | |||
647 | /* common clocks to spear310 and spear320 */ | ||
648 | #if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320) | ||
649 | /* uart1 clock */ | ||
650 | static struct clk uart1_clk = { | ||
651 | .flags = ALWAYS_ENABLED, | ||
652 | .pclk = &apb_clk, | ||
653 | .recalc = &follow_parent, | ||
654 | }; | ||
655 | |||
656 | /* uart2 clock */ | ||
657 | static struct clk uart2_clk = { | ||
658 | .flags = ALWAYS_ENABLED, | ||
659 | .pclk = &apb_clk, | ||
660 | .recalc = &follow_parent, | ||
661 | }; | ||
662 | #endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */ | ||
663 | |||
664 | /* common clocks to spear300 and spear320 */ | ||
665 | #if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR320) | ||
666 | /* clcd clock */ | ||
667 | static struct clk clcd_clk = { | ||
668 | .flags = ALWAYS_ENABLED, | ||
669 | .pclk = &pll3_48m_clk, | ||
670 | .recalc = &follow_parent, | ||
671 | }; | ||
672 | |||
673 | /* sdhci clock */ | ||
674 | static struct clk sdhci_clk = { | ||
675 | .flags = ALWAYS_ENABLED, | ||
676 | .pclk = &ahb_clk, | ||
677 | .recalc = &follow_parent, | ||
678 | }; | ||
679 | #endif /* CONFIG_MACH_SPEAR300 || CONFIG_MACH_SPEAR320 */ | ||
680 | |||
681 | /* spear300 machine specific clock structures */ | ||
682 | #ifdef CONFIG_MACH_SPEAR300 | ||
683 | /* gpio1 clock */ | ||
684 | static struct clk gpio1_clk = { | ||
685 | .flags = ALWAYS_ENABLED, | ||
686 | .pclk = &apb_clk, | ||
687 | .recalc = &follow_parent, | ||
688 | }; | ||
689 | |||
690 | /* keyboard clock */ | ||
691 | static struct clk kbd_clk = { | ||
692 | .flags = ALWAYS_ENABLED, | ||
693 | .pclk = &apb_clk, | ||
694 | .recalc = &follow_parent, | ||
695 | }; | ||
696 | |||
697 | #endif | ||
698 | |||
699 | /* spear310 machine specific clock structures */ | ||
700 | #ifdef CONFIG_MACH_SPEAR310 | ||
701 | /* uart3 clock */ | ||
702 | static struct clk uart3_clk = { | ||
703 | .flags = ALWAYS_ENABLED, | ||
704 | .pclk = &apb_clk, | ||
705 | .recalc = &follow_parent, | ||
706 | }; | ||
707 | |||
708 | /* uart4 clock */ | ||
709 | static struct clk uart4_clk = { | ||
710 | .flags = ALWAYS_ENABLED, | ||
711 | .pclk = &apb_clk, | ||
712 | .recalc = &follow_parent, | ||
713 | }; | ||
714 | |||
715 | /* uart5 clock */ | ||
716 | static struct clk uart5_clk = { | ||
717 | .flags = ALWAYS_ENABLED, | ||
718 | .pclk = &apb_clk, | ||
719 | .recalc = &follow_parent, | ||
720 | }; | ||
721 | #endif | ||
722 | |||
723 | /* spear320 machine specific clock structures */ | ||
724 | #ifdef CONFIG_MACH_SPEAR320 | ||
725 | /* can0 clock */ | ||
726 | static struct clk can0_clk = { | ||
727 | .flags = ALWAYS_ENABLED, | ||
728 | .pclk = &apb_clk, | ||
729 | .recalc = &follow_parent, | ||
730 | }; | ||
731 | |||
732 | /* can1 clock */ | ||
733 | static struct clk can1_clk = { | ||
734 | .flags = ALWAYS_ENABLED, | ||
735 | .pclk = &apb_clk, | ||
736 | .recalc = &follow_parent, | ||
737 | }; | ||
738 | |||
739 | /* i2c1 clock */ | ||
740 | static struct clk i2c1_clk = { | ||
741 | .flags = ALWAYS_ENABLED, | ||
742 | .pclk = &ahb_clk, | ||
743 | .recalc = &follow_parent, | ||
744 | }; | ||
745 | |||
746 | /* ssp1 clock */ | ||
747 | static struct clk ssp1_clk = { | ||
748 | .flags = ALWAYS_ENABLED, | ||
749 | .pclk = &apb_clk, | ||
750 | .recalc = &follow_parent, | ||
751 | }; | ||
752 | |||
753 | /* ssp2 clock */ | ||
754 | static struct clk ssp2_clk = { | ||
755 | .flags = ALWAYS_ENABLED, | ||
756 | .pclk = &apb_clk, | ||
757 | .recalc = &follow_parent, | ||
758 | }; | ||
759 | |||
760 | /* pwm clock */ | ||
761 | static struct clk pwm_clk = { | ||
762 | .flags = ALWAYS_ENABLED, | ||
763 | .pclk = &apb_clk, | ||
764 | .recalc = &follow_parent, | ||
765 | }; | ||
766 | #endif | ||
767 | |||
768 | /* array of all spear 3xx clock lookups */ | ||
769 | static struct clk_lookup spear_clk_lookups[] = { | ||
770 | CLKDEV_INIT(NULL, "apb_pclk", &dummy_apb_pclk), | ||
771 | /* root clks */ | ||
772 | CLKDEV_INIT(NULL, "osc_32k_clk", &osc_32k_clk), | ||
773 | CLKDEV_INIT(NULL, "osc_24m_clk", &osc_24m_clk), | ||
774 | /* clock derived from 32 KHz osc clk */ | ||
775 | CLKDEV_INIT("fc900000.rtc", NULL, &rtc_clk), | ||
776 | /* clock derived from 24 MHz osc clk */ | ||
777 | CLKDEV_INIT(NULL, "pll1_clk", &pll1_clk), | ||
778 | CLKDEV_INIT(NULL, "pll3_48m_clk", &pll3_48m_clk), | ||
779 | CLKDEV_INIT("fc880000.wdt", NULL, &wdt_clk), | ||
780 | /* clock derived from pll1 clk */ | ||
781 | CLKDEV_INIT(NULL, "cpu_clk", &cpu_clk), | ||
782 | CLKDEV_INIT(NULL, "ahb_clk", &ahb_clk), | ||
783 | CLKDEV_INIT(NULL, "uart_synth_clk", &uart_synth_clk), | ||
784 | CLKDEV_INIT(NULL, "firda_synth_clk", &firda_synth_clk), | ||
785 | CLKDEV_INIT(NULL, "gpt0_synth_clk", &gpt0_synth_clk), | ||
786 | CLKDEV_INIT(NULL, "gpt1_synth_clk", &gpt1_synth_clk), | ||
787 | CLKDEV_INIT(NULL, "gpt2_synth_clk", &gpt2_synth_clk), | ||
788 | CLKDEV_INIT("d0000000.serial", NULL, &uart_clk), | ||
789 | CLKDEV_INIT("firda", NULL, &firda_clk), | ||
790 | CLKDEV_INIT("gpt0", NULL, &gpt0_clk), | ||
791 | CLKDEV_INIT("gpt1", NULL, &gpt1_clk), | ||
792 | CLKDEV_INIT("gpt2", NULL, &gpt2_clk), | ||
793 | /* clock derived from pll3 clk */ | ||
794 | CLKDEV_INIT("designware_udc", NULL, &usbd_clk), | ||
795 | CLKDEV_INIT(NULL, "usbh_clk", &usbh_clk), | ||
796 | /* clock derived from usbh clk */ | ||
797 | CLKDEV_INIT(NULL, "usbh.0_clk", &usbh0_clk), | ||
798 | CLKDEV_INIT(NULL, "usbh.1_clk", &usbh1_clk), | ||
799 | /* clock derived from ahb clk */ | ||
800 | CLKDEV_INIT(NULL, "apb_clk", &apb_clk), | ||
801 | CLKDEV_INIT("d0180000.i2c", NULL, &i2c_clk), | ||
802 | CLKDEV_INIT("fc400000.dma", NULL, &dma_clk), | ||
803 | CLKDEV_INIT("jpeg", NULL, &jpeg_clk), | ||
804 | CLKDEV_INIT("e0800000.eth", NULL, &gmac_clk), | ||
805 | CLKDEV_INIT("fc000000.flash", NULL, &smi_clk), | ||
806 | CLKDEV_INIT("c3", NULL, &c3_clk), | ||
807 | /* clock derived from apb clk */ | ||
808 | CLKDEV_INIT("adc", NULL, &adc_clk), | ||
809 | CLKDEV_INIT("d0100000.spi", NULL, &ssp0_clk), | ||
810 | CLKDEV_INIT("fc980000.gpio", NULL, &gpio_clk), | ||
811 | }; | ||
812 | |||
813 | /* array of all spear 300 clock lookups */ | ||
814 | #ifdef CONFIG_MACH_SPEAR300 | ||
815 | static struct clk_lookup spear300_clk_lookups[] = { | ||
816 | CLKDEV_INIT("60000000.clcd", NULL, &clcd_clk), | ||
817 | CLKDEV_INIT("94000000.flash", NULL, &fsmc_clk), | ||
818 | CLKDEV_INIT("a9000000.gpio", NULL, &gpio1_clk), | ||
819 | CLKDEV_INIT("a0000000.kbd", NULL, &kbd_clk), | ||
820 | CLKDEV_INIT("70000000.sdhci", NULL, &sdhci_clk), | ||
821 | }; | ||
822 | |||
823 | void __init spear300_clk_init(void) | ||
824 | { | ||
825 | int i; | ||
826 | |||
827 | for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++) | ||
828 | clk_register(&spear_clk_lookups[i]); | ||
829 | |||
830 | for (i = 0; i < ARRAY_SIZE(spear300_clk_lookups); i++) | ||
831 | clk_register(&spear300_clk_lookups[i]); | ||
832 | |||
833 | clk_init(); | ||
834 | } | ||
835 | #endif | ||
836 | |||
837 | /* array of all spear 310 clock lookups */ | ||
838 | #ifdef CONFIG_MACH_SPEAR310 | ||
839 | static struct clk_lookup spear310_clk_lookups[] = { | ||
840 | CLKDEV_INIT("44000000.flash", NULL, &fsmc_clk), | ||
841 | CLKDEV_INIT(NULL, "emi", &emi_clk), | ||
842 | CLKDEV_INIT("b2000000.serial", NULL, &uart1_clk), | ||
843 | CLKDEV_INIT("b2080000.serial", NULL, &uart2_clk), | ||
844 | CLKDEV_INIT("b2100000.serial", NULL, &uart3_clk), | ||
845 | CLKDEV_INIT("b2180000.serial", NULL, &uart4_clk), | ||
846 | CLKDEV_INIT("b2200000.serial", NULL, &uart5_clk), | ||
847 | }; | ||
848 | |||
849 | void __init spear310_clk_init(void) | ||
850 | { | ||
851 | int i; | ||
852 | |||
853 | for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++) | ||
854 | clk_register(&spear_clk_lookups[i]); | ||
855 | |||
856 | for (i = 0; i < ARRAY_SIZE(spear310_clk_lookups); i++) | ||
857 | clk_register(&spear310_clk_lookups[i]); | ||
858 | |||
859 | clk_init(); | ||
860 | } | ||
861 | #endif | ||
862 | |||
863 | /* array of all spear 320 clock lookups */ | ||
864 | #ifdef CONFIG_MACH_SPEAR320 | ||
865 | static struct clk_lookup spear320_clk_lookups[] = { | ||
866 | CLKDEV_INIT("90000000.clcd", NULL, &clcd_clk), | ||
867 | CLKDEV_INIT("4c000000.flash", NULL, &fsmc_clk), | ||
868 | CLKDEV_INIT("a7000000.i2c", NULL, &i2c1_clk), | ||
869 | CLKDEV_INIT(NULL, "emi", &emi_clk), | ||
870 | CLKDEV_INIT("pwm", NULL, &pwm_clk), | ||
871 | CLKDEV_INIT("70000000.sdhci", NULL, &sdhci_clk), | ||
872 | CLKDEV_INIT("c_can_platform.0", NULL, &can0_clk), | ||
873 | CLKDEV_INIT("c_can_platform.1", NULL, &can1_clk), | ||
874 | CLKDEV_INIT("a5000000.spi", NULL, &ssp1_clk), | ||
875 | CLKDEV_INIT("a6000000.spi", NULL, &ssp2_clk), | ||
876 | CLKDEV_INIT("a3000000.serial", NULL, &uart1_clk), | ||
877 | CLKDEV_INIT("a4000000.serial", NULL, &uart2_clk), | ||
878 | }; | ||
879 | |||
880 | void __init spear320_clk_init(void) | ||
881 | { | ||
882 | int i; | ||
883 | |||
884 | for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++) | ||
885 | clk_register(&spear_clk_lookups[i]); | ||
886 | |||
887 | for (i = 0; i < ARRAY_SIZE(spear320_clk_lookups); i++) | ||
888 | clk_register(&spear320_clk_lookups[i]); | ||
889 | |||
890 | clk_init(); | ||
891 | } | ||
892 | #endif | ||
diff --git a/arch/arm/mach-spear3xx/include/mach/generic.h b/arch/arm/mach-spear3xx/include/mach/generic.h index bdb304551caf..4a95b9453c2a 100644 --- a/arch/arm/mach-spear3xx/include/mach/generic.h +++ b/arch/arm/mach-spear3xx/include/mach/generic.h | |||
@@ -27,28 +27,11 @@ extern struct pl022_ssp_controller pl022_plat_data; | |||
27 | extern struct pl08x_platform_data pl080_plat_data; | 27 | extern struct pl08x_platform_data pl080_plat_data; |
28 | 28 | ||
29 | /* Add spear3xx family function declarations here */ | 29 | /* Add spear3xx family function declarations here */ |
30 | void __init spear_setup_timer(resource_size_t base, int irq); | 30 | void __init spear_setup_of_timer(void); |
31 | void __init spear3xx_clk_init(void); | ||
31 | void __init spear3xx_map_io(void); | 32 | void __init spear3xx_map_io(void); |
32 | void __init spear3xx_dt_init_irq(void); | 33 | void __init spear3xx_dt_init_irq(void); |
33 | 34 | ||
34 | void spear_restart(char, const char *); | 35 | void spear_restart(char, const char *); |
35 | 36 | ||
36 | /* spear300 declarations */ | ||
37 | #ifdef CONFIG_MACH_SPEAR300 | ||
38 | void __init spear300_clk_init(void); | ||
39 | |||
40 | #endif /* CONFIG_MACH_SPEAR300 */ | ||
41 | |||
42 | /* spear310 declarations */ | ||
43 | #ifdef CONFIG_MACH_SPEAR310 | ||
44 | void __init spear310_clk_init(void); | ||
45 | |||
46 | #endif /* CONFIG_MACH_SPEAR310 */ | ||
47 | |||
48 | /* spear320 declarations */ | ||
49 | #ifdef CONFIG_MACH_SPEAR320 | ||
50 | void __init spear320_clk_init(void); | ||
51 | |||
52 | #endif /* CONFIG_MACH_SPEAR320 */ | ||
53 | |||
54 | #endif /* __MACH_GENERIC_H */ | 37 | #endif /* __MACH_GENERIC_H */ |
diff --git a/arch/arm/mach-spear3xx/include/mach/irqs.h b/arch/arm/mach-spear3xx/include/mach/irqs.h index 319620a1afb4..51bd62a0254c 100644 --- a/arch/arm/mach-spear3xx/include/mach/irqs.h +++ b/arch/arm/mach-spear3xx/include/mach/irqs.h | |||
@@ -16,7 +16,6 @@ | |||
16 | 16 | ||
17 | /* FIXME: probe all these from DT */ | 17 | /* FIXME: probe all these from DT */ |
18 | #define SPEAR3XX_IRQ_INTRCOMM_RAS_ARM 1 | 18 | #define SPEAR3XX_IRQ_INTRCOMM_RAS_ARM 1 |
19 | #define SPEAR3XX_IRQ_CPU_GPT1_1 2 | ||
20 | #define SPEAR3XX_IRQ_GEN_RAS_1 28 | 19 | #define SPEAR3XX_IRQ_GEN_RAS_1 28 |
21 | #define SPEAR3XX_IRQ_GEN_RAS_2 29 | 20 | #define SPEAR3XX_IRQ_GEN_RAS_2 29 |
22 | #define SPEAR3XX_IRQ_GEN_RAS_3 30 | 21 | #define SPEAR3XX_IRQ_GEN_RAS_3 30 |
diff --git a/arch/arm/mach-spear3xx/include/mach/misc_regs.h b/arch/arm/mach-spear3xx/include/mach/misc_regs.h index e0ab72e61507..18e2ac576f25 100644 --- a/arch/arm/mach-spear3xx/include/mach/misc_regs.h +++ b/arch/arm/mach-spear3xx/include/mach/misc_regs.h | |||
@@ -14,6 +14,8 @@ | |||
14 | #ifndef __MACH_MISC_REGS_H | 14 | #ifndef __MACH_MISC_REGS_H |
15 | #define __MACH_MISC_REGS_H | 15 | #define __MACH_MISC_REGS_H |
16 | 16 | ||
17 | #include <mach/spear.h> | ||
18 | |||
17 | #define MISC_BASE IOMEM(VA_SPEAR3XX_ICM3_MISC_REG_BASE) | 19 | #define MISC_BASE IOMEM(VA_SPEAR3XX_ICM3_MISC_REG_BASE) |
18 | #define DMA_CHN_CFG (MISC_BASE + 0x0A0) | 20 | #define DMA_CHN_CFG (MISC_BASE + 0x0A0) |
19 | 21 | ||
diff --git a/arch/arm/mach-spear3xx/include/mach/spear.h b/arch/arm/mach-spear3xx/include/mach/spear.h index 6d4dadc67633..51eb953148a9 100644 --- a/arch/arm/mach-spear3xx/include/mach/spear.h +++ b/arch/arm/mach-spear3xx/include/mach/spear.h | |||
@@ -26,7 +26,6 @@ | |||
26 | /* ML1 - Multi Layer CPU Subsystem */ | 26 | /* ML1 - Multi Layer CPU Subsystem */ |
27 | #define SPEAR3XX_ICM3_ML1_2_BASE UL(0xF0000000) | 27 | #define SPEAR3XX_ICM3_ML1_2_BASE UL(0xF0000000) |
28 | #define VA_SPEAR6XX_ML_CPU_BASE UL(0xF0000000) | 28 | #define VA_SPEAR6XX_ML_CPU_BASE UL(0xF0000000) |
29 | #define SPEAR3XX_CPU_TMR_BASE UL(0xF0000000) | ||
30 | 29 | ||
31 | /* ICM3 - Basic Subsystem */ | 30 | /* ICM3 - Basic Subsystem */ |
32 | #define SPEAR3XX_ICM3_SMI_CTRL_BASE UL(0xFC000000) | 31 | #define SPEAR3XX_ICM3_SMI_CTRL_BASE UL(0xFC000000) |
@@ -45,4 +44,17 @@ | |||
45 | #define SPEAR_SYS_CTRL_BASE SPEAR3XX_ICM3_SYS_CTRL_BASE | 44 | #define SPEAR_SYS_CTRL_BASE SPEAR3XX_ICM3_SYS_CTRL_BASE |
46 | #define VA_SPEAR_SYS_CTRL_BASE VA_SPEAR3XX_ICM3_SYS_CTRL_BASE | 45 | #define VA_SPEAR_SYS_CTRL_BASE VA_SPEAR3XX_ICM3_SYS_CTRL_BASE |
47 | 46 | ||
47 | /* SPEAr320 Macros */ | ||
48 | #define SPEAR320_SOC_CONFIG_BASE UL(0xB3000000) | ||
49 | #define VA_SPEAR320_SOC_CONFIG_BASE UL(0xFE000000) | ||
50 | #define SPEAR320_CONTROL_REG IOMEM(VA_SPEAR320_SOC_CONFIG_BASE) | ||
51 | #define SPEAR320_EXT_CTRL_REG IOMEM(VA_SPEAR320_SOC_CONFIG_BASE + 0x0018) | ||
52 | #define SPEAR320_UARTX_PCLK_MASK 0x1 | ||
53 | #define SPEAR320_UART2_PCLK_SHIFT 8 | ||
54 | #define SPEAR320_UART3_PCLK_SHIFT 9 | ||
55 | #define SPEAR320_UART4_PCLK_SHIFT 10 | ||
56 | #define SPEAR320_UART5_PCLK_SHIFT 11 | ||
57 | #define SPEAR320_UART6_PCLK_SHIFT 12 | ||
58 | #define SPEAR320_RS485_PCLK_SHIFT 13 | ||
59 | |||
48 | #endif /* __MACH_SPEAR3XX_H */ | 60 | #endif /* __MACH_SPEAR3XX_H */ |
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c index f75fe25a620c..f74a05bdb829 100644 --- a/arch/arm/mach-spear3xx/spear300.c +++ b/arch/arm/mach-spear3xx/spear300.c | |||
@@ -337,7 +337,6 @@ static const char * const spear300_dt_board_compat[] = { | |||
337 | static void __init spear300_map_io(void) | 337 | static void __init spear300_map_io(void) |
338 | { | 338 | { |
339 | spear3xx_map_io(); | 339 | spear3xx_map_io(); |
340 | spear300_clk_init(); | ||
341 | } | 340 | } |
342 | 341 | ||
343 | DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree") | 342 | DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree") |
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c index f0842a58dc02..84dfb0900747 100644 --- a/arch/arm/mach-spear3xx/spear310.c +++ b/arch/arm/mach-spear3xx/spear310.c | |||
@@ -478,7 +478,6 @@ static const char * const spear310_dt_board_compat[] = { | |||
478 | static void __init spear310_map_io(void) | 478 | static void __init spear310_map_io(void) |
479 | { | 479 | { |
480 | spear3xx_map_io(); | 480 | spear3xx_map_io(); |
481 | spear310_clk_init(); | ||
482 | } | 481 | } |
483 | 482 | ||
484 | DT_MACHINE_START(SPEAR310_DT, "ST SPEAr310 SoC with Flattened Device Tree") | 483 | DT_MACHINE_START(SPEAR310_DT, "ST SPEAr310 SoC with Flattened Device Tree") |
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c index e8caeef50a5c..a88fa841d29d 100644 --- a/arch/arm/mach-spear3xx/spear320.c +++ b/arch/arm/mach-spear3xx/spear320.c | |||
@@ -27,7 +27,6 @@ | |||
27 | #define SPEAR320_UART2_BASE UL(0xA4000000) | 27 | #define SPEAR320_UART2_BASE UL(0xA4000000) |
28 | #define SPEAR320_SSP0_BASE UL(0xA5000000) | 28 | #define SPEAR320_SSP0_BASE UL(0xA5000000) |
29 | #define SPEAR320_SSP1_BASE UL(0xA6000000) | 29 | #define SPEAR320_SSP1_BASE UL(0xA6000000) |
30 | #define SPEAR320_SOC_CONFIG_BASE UL(0xB3000000) | ||
31 | 30 | ||
32 | /* Interrupt registers offsets and masks */ | 31 | /* Interrupt registers offsets and masks */ |
33 | #define SPEAR320_INT_STS_MASK_REG 0x04 | 32 | #define SPEAR320_INT_STS_MASK_REG 0x04 |
@@ -481,10 +480,19 @@ static const char * const spear320_dt_board_compat[] = { | |||
481 | NULL, | 480 | NULL, |
482 | }; | 481 | }; |
483 | 482 | ||
483 | struct map_desc spear320_io_desc[] __initdata = { | ||
484 | { | ||
485 | .virtual = VA_SPEAR320_SOC_CONFIG_BASE, | ||
486 | .pfn = __phys_to_pfn(SPEAR320_SOC_CONFIG_BASE), | ||
487 | .length = SZ_16M, | ||
488 | .type = MT_DEVICE | ||
489 | }, | ||
490 | }; | ||
491 | |||
484 | static void __init spear320_map_io(void) | 492 | static void __init spear320_map_io(void) |
485 | { | 493 | { |
494 | iotable_init(spear320_io_desc, ARRAY_SIZE(spear320_io_desc)); | ||
486 | spear3xx_map_io(); | 495 | spear3xx_map_io(); |
487 | spear320_clk_init(); | ||
488 | } | 496 | } |
489 | 497 | ||
490 | DT_MACHINE_START(SPEAR320_DT, "ST SPEAr320 SoC with Flattened Device Tree") | 498 | DT_MACHINE_START(SPEAR320_DT, "ST SPEAr320 SoC with Flattened Device Tree") |
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c index 826ac20ef1e7..f22419ed74a8 100644 --- a/arch/arm/mach-spear3xx/spear3xx.c +++ b/arch/arm/mach-spear3xx/spear3xx.c | |||
@@ -90,6 +90,8 @@ static void __init spear3xx_timer_init(void) | |||
90 | char pclk_name[] = "pll3_48m_clk"; | 90 | char pclk_name[] = "pll3_48m_clk"; |
91 | struct clk *gpt_clk, *pclk; | 91 | struct clk *gpt_clk, *pclk; |
92 | 92 | ||
93 | spear3xx_clk_init(); | ||
94 | |||
93 | /* get the system timer clock */ | 95 | /* get the system timer clock */ |
94 | gpt_clk = clk_get_sys("gpt0", NULL); | 96 | gpt_clk = clk_get_sys("gpt0", NULL); |
95 | if (IS_ERR(gpt_clk)) { | 97 | if (IS_ERR(gpt_clk)) { |
@@ -109,7 +111,7 @@ static void __init spear3xx_timer_init(void) | |||
109 | clk_put(gpt_clk); | 111 | clk_put(gpt_clk); |
110 | clk_put(pclk); | 112 | clk_put(pclk); |
111 | 113 | ||
112 | spear_setup_timer(SPEAR3XX_CPU_TMR_BASE, SPEAR3XX_IRQ_CPU_GPT1_1); | 114 | spear_setup_of_timer(); |
113 | } | 115 | } |
114 | 116 | ||
115 | struct sys_timer spear3xx_timer = { | 117 | struct sys_timer spear3xx_timer = { |
diff --git a/arch/arm/mach-spear6xx/Makefile b/arch/arm/mach-spear6xx/Makefile index 76e5750552fc..898831d93f37 100644 --- a/arch/arm/mach-spear6xx/Makefile +++ b/arch/arm/mach-spear6xx/Makefile | |||
@@ -3,4 +3,4 @@ | |||
3 | # | 3 | # |
4 | 4 | ||
5 | # common files | 5 | # common files |
6 | obj-y += clock.o spear6xx.o | 6 | obj-y += spear6xx.o |
diff --git a/arch/arm/mach-spear6xx/clock.c b/arch/arm/mach-spear6xx/clock.c deleted file mode 100644 index bef77d43db87..000000000000 --- a/arch/arm/mach-spear6xx/clock.c +++ /dev/null | |||
@@ -1,789 +0,0 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-spear6xx/clock.c | ||
3 | * | ||
4 | * SPEAr6xx machines clock framework source file | ||
5 | * | ||
6 | * Copyright (C) 2009 ST Microelectronics | ||
7 | * Viresh Kumar<viresh.kumar@st.com> | ||
8 | * | ||
9 | * This file is licensed under the terms of the GNU General Public | ||
10 | * License version 2. This program is licensed "as is" without any | ||
11 | * warranty of any kind, whether express or implied. | ||
12 | */ | ||
13 | |||
14 | #include <linux/init.h> | ||
15 | #include <linux/io.h> | ||
16 | #include <linux/kernel.h> | ||
17 | #include <plat/clock.h> | ||
18 | #include <mach/misc_regs.h> | ||
19 | #include <mach/spear.h> | ||
20 | |||
21 | #define PLL1_CTR (MISC_BASE + 0x008) | ||
22 | #define PLL1_FRQ (MISC_BASE + 0x00C) | ||
23 | #define PLL1_MOD (MISC_BASE + 0x010) | ||
24 | #define PLL2_CTR (MISC_BASE + 0x014) | ||
25 | /* PLL_CTR register masks */ | ||
26 | #define PLL_ENABLE 2 | ||
27 | #define PLL_MODE_SHIFT 4 | ||
28 | #define PLL_MODE_MASK 0x3 | ||
29 | #define PLL_MODE_NORMAL 0 | ||
30 | #define PLL_MODE_FRACTION 1 | ||
31 | #define PLL_MODE_DITH_DSB 2 | ||
32 | #define PLL_MODE_DITH_SSB 3 | ||
33 | |||
34 | #define PLL2_FRQ (MISC_BASE + 0x018) | ||
35 | /* PLL FRQ register masks */ | ||
36 | #define PLL_DIV_N_SHIFT 0 | ||
37 | #define PLL_DIV_N_MASK 0xFF | ||
38 | #define PLL_DIV_P_SHIFT 8 | ||
39 | #define PLL_DIV_P_MASK 0x7 | ||
40 | #define PLL_NORM_FDBK_M_SHIFT 24 | ||
41 | #define PLL_NORM_FDBK_M_MASK 0xFF | ||
42 | #define PLL_DITH_FDBK_M_SHIFT 16 | ||
43 | #define PLL_DITH_FDBK_M_MASK 0xFFFF | ||
44 | |||
45 | #define PLL2_MOD (MISC_BASE + 0x01C) | ||
46 | #define PLL_CLK_CFG (MISC_BASE + 0x020) | ||
47 | #define CORE_CLK_CFG (MISC_BASE + 0x024) | ||
48 | /* CORE CLK CFG register masks */ | ||
49 | #define PLL_HCLK_RATIO_SHIFT 10 | ||
50 | #define PLL_HCLK_RATIO_MASK 0x3 | ||
51 | #define HCLK_PCLK_RATIO_SHIFT 8 | ||
52 | #define HCLK_PCLK_RATIO_MASK 0x3 | ||
53 | |||
54 | #define PERIP_CLK_CFG (MISC_BASE + 0x028) | ||
55 | /* PERIP_CLK_CFG register masks */ | ||
56 | #define CLCD_CLK_SHIFT 2 | ||
57 | #define CLCD_CLK_MASK 0x3 | ||
58 | #define UART_CLK_SHIFT 4 | ||
59 | #define UART_CLK_MASK 0x1 | ||
60 | #define FIRDA_CLK_SHIFT 5 | ||
61 | #define FIRDA_CLK_MASK 0x3 | ||
62 | #define GPT0_CLK_SHIFT 8 | ||
63 | #define GPT1_CLK_SHIFT 10 | ||
64 | #define GPT2_CLK_SHIFT 11 | ||
65 | #define GPT3_CLK_SHIFT 12 | ||
66 | #define GPT_CLK_MASK 0x1 | ||
67 | #define AUX_CLK_PLL3_VAL 0 | ||
68 | #define AUX_CLK_PLL1_VAL 1 | ||
69 | |||
70 | #define PERIP1_CLK_ENB (MISC_BASE + 0x02C) | ||
71 | /* PERIP1_CLK_ENB register masks */ | ||
72 | #define UART0_CLK_ENB 3 | ||
73 | #define UART1_CLK_ENB 4 | ||
74 | #define SSP0_CLK_ENB 5 | ||
75 | #define SSP1_CLK_ENB 6 | ||
76 | #define I2C_CLK_ENB 7 | ||
77 | #define JPEG_CLK_ENB 8 | ||
78 | #define FSMC_CLK_ENB 9 | ||
79 | #define FIRDA_CLK_ENB 10 | ||
80 | #define GPT2_CLK_ENB 11 | ||
81 | #define GPT3_CLK_ENB 12 | ||
82 | #define GPIO2_CLK_ENB 13 | ||
83 | #define SSP2_CLK_ENB 14 | ||
84 | #define ADC_CLK_ENB 15 | ||
85 | #define GPT1_CLK_ENB 11 | ||
86 | #define RTC_CLK_ENB 17 | ||
87 | #define GPIO1_CLK_ENB 18 | ||
88 | #define DMA_CLK_ENB 19 | ||
89 | #define SMI_CLK_ENB 21 | ||
90 | #define CLCD_CLK_ENB 22 | ||
91 | #define GMAC_CLK_ENB 23 | ||
92 | #define USBD_CLK_ENB 24 | ||
93 | #define USBH0_CLK_ENB 25 | ||
94 | #define USBH1_CLK_ENB 26 | ||
95 | |||
96 | #define PRSC1_CLK_CFG (MISC_BASE + 0x044) | ||
97 | #define PRSC2_CLK_CFG (MISC_BASE + 0x048) | ||
98 | #define PRSC3_CLK_CFG (MISC_BASE + 0x04C) | ||
99 | /* gpt synthesizer register masks */ | ||
100 | #define GPT_MSCALE_SHIFT 0 | ||
101 | #define GPT_MSCALE_MASK 0xFFF | ||
102 | #define GPT_NSCALE_SHIFT 12 | ||
103 | #define GPT_NSCALE_MASK 0xF | ||
104 | |||
105 | #define AMEM_CLK_CFG (MISC_BASE + 0x050) | ||
106 | #define EXPI_CLK_CFG (MISC_BASE + 0x054) | ||
107 | #define CLCD_CLK_SYNT (MISC_BASE + 0x05C) | ||
108 | #define FIRDA_CLK_SYNT (MISC_BASE + 0x060) | ||
109 | #define UART_CLK_SYNT (MISC_BASE + 0x064) | ||
110 | #define GMAC_CLK_SYNT (MISC_BASE + 0x068) | ||
111 | #define RAS1_CLK_SYNT (MISC_BASE + 0x06C) | ||
112 | #define RAS2_CLK_SYNT (MISC_BASE + 0x070) | ||
113 | #define RAS3_CLK_SYNT (MISC_BASE + 0x074) | ||
114 | #define RAS4_CLK_SYNT (MISC_BASE + 0x078) | ||
115 | /* aux clk synthesiser register masks for irda to ras4 */ | ||
116 | #define AUX_SYNT_ENB 31 | ||
117 | #define AUX_EQ_SEL_SHIFT 30 | ||
118 | #define AUX_EQ_SEL_MASK 1 | ||
119 | #define AUX_EQ1_SEL 0 | ||
120 | #define AUX_EQ2_SEL 1 | ||
121 | #define AUX_XSCALE_SHIFT 16 | ||
122 | #define AUX_XSCALE_MASK 0xFFF | ||
123 | #define AUX_YSCALE_SHIFT 0 | ||
124 | #define AUX_YSCALE_MASK 0xFFF | ||
125 | |||
126 | /* root clks */ | ||
127 | /* 32 KHz oscillator clock */ | ||
128 | static struct clk osc_32k_clk = { | ||
129 | .flags = ALWAYS_ENABLED, | ||
130 | .rate = 32000, | ||
131 | }; | ||
132 | |||
133 | /* 30 MHz oscillator clock */ | ||
134 | static struct clk osc_30m_clk = { | ||
135 | .flags = ALWAYS_ENABLED, | ||
136 | .rate = 30000000, | ||
137 | }; | ||
138 | |||
139 | /* clock derived from 32 KHz osc clk */ | ||
140 | /* rtc clock */ | ||
141 | static struct clk rtc_clk = { | ||
142 | .pclk = &osc_32k_clk, | ||
143 | .en_reg = PERIP1_CLK_ENB, | ||
144 | .en_reg_bit = RTC_CLK_ENB, | ||
145 | .recalc = &follow_parent, | ||
146 | }; | ||
147 | |||
148 | /* clock derived from 30 MHz osc clk */ | ||
149 | /* pll masks structure */ | ||
150 | static struct pll_clk_masks pll1_masks = { | ||
151 | .mode_mask = PLL_MODE_MASK, | ||
152 | .mode_shift = PLL_MODE_SHIFT, | ||
153 | .norm_fdbk_m_mask = PLL_NORM_FDBK_M_MASK, | ||
154 | .norm_fdbk_m_shift = PLL_NORM_FDBK_M_SHIFT, | ||
155 | .dith_fdbk_m_mask = PLL_DITH_FDBK_M_MASK, | ||
156 | .dith_fdbk_m_shift = PLL_DITH_FDBK_M_SHIFT, | ||
157 | .div_p_mask = PLL_DIV_P_MASK, | ||
158 | .div_p_shift = PLL_DIV_P_SHIFT, | ||
159 | .div_n_mask = PLL_DIV_N_MASK, | ||
160 | .div_n_shift = PLL_DIV_N_SHIFT, | ||
161 | }; | ||
162 | |||
163 | /* pll1 configuration structure */ | ||
164 | static struct pll_clk_config pll1_config = { | ||
165 | .mode_reg = PLL1_CTR, | ||
166 | .cfg_reg = PLL1_FRQ, | ||
167 | .masks = &pll1_masks, | ||
168 | }; | ||
169 | |||
170 | /* pll rate configuration table, in ascending order of rates */ | ||
171 | struct pll_rate_tbl pll_rtbl[] = { | ||
172 | {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* 266 MHz */ | ||
173 | {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* 332 MHz */ | ||
174 | }; | ||
175 | |||
176 | /* PLL1 clock */ | ||
177 | static struct clk pll1_clk = { | ||
178 | .flags = ENABLED_ON_INIT, | ||
179 | .pclk = &osc_30m_clk, | ||
180 | .en_reg = PLL1_CTR, | ||
181 | .en_reg_bit = PLL_ENABLE, | ||
182 | .calc_rate = &pll_calc_rate, | ||
183 | .recalc = &pll_clk_recalc, | ||
184 | .set_rate = &pll_clk_set_rate, | ||
185 | .rate_config = {pll_rtbl, ARRAY_SIZE(pll_rtbl), 1}, | ||
186 | .private_data = &pll1_config, | ||
187 | }; | ||
188 | |||
189 | /* PLL3 48 MHz clock */ | ||
190 | static struct clk pll3_48m_clk = { | ||
191 | .flags = ALWAYS_ENABLED, | ||
192 | .pclk = &osc_30m_clk, | ||
193 | .rate = 48000000, | ||
194 | }; | ||
195 | |||
196 | /* watch dog timer clock */ | ||
197 | static struct clk wdt_clk = { | ||
198 | .flags = ALWAYS_ENABLED, | ||
199 | .pclk = &osc_30m_clk, | ||
200 | .recalc = &follow_parent, | ||
201 | }; | ||
202 | |||
203 | /* clock derived from pll1 clk */ | ||
204 | /* cpu clock */ | ||
205 | static struct clk cpu_clk = { | ||
206 | .flags = ALWAYS_ENABLED, | ||
207 | .pclk = &pll1_clk, | ||
208 | .recalc = &follow_parent, | ||
209 | }; | ||
210 | |||
211 | /* ahb masks structure */ | ||
212 | static struct bus_clk_masks ahb_masks = { | ||
213 | .mask = PLL_HCLK_RATIO_MASK, | ||
214 | .shift = PLL_HCLK_RATIO_SHIFT, | ||
215 | }; | ||
216 | |||
217 | /* ahb configuration structure */ | ||
218 | static struct bus_clk_config ahb_config = { | ||
219 | .reg = CORE_CLK_CFG, | ||
220 | .masks = &ahb_masks, | ||
221 | }; | ||
222 | |||
223 | /* ahb rate configuration table, in ascending order of rates */ | ||
224 | struct bus_rate_tbl bus_rtbl[] = { | ||
225 | {.div = 3}, /* == parent divided by 4 */ | ||
226 | {.div = 2}, /* == parent divided by 3 */ | ||
227 | {.div = 1}, /* == parent divided by 2 */ | ||
228 | {.div = 0}, /* == parent divided by 1 */ | ||
229 | }; | ||
230 | |||
231 | /* ahb clock */ | ||
232 | static struct clk ahb_clk = { | ||
233 | .flags = ALWAYS_ENABLED, | ||
234 | .pclk = &pll1_clk, | ||
235 | .calc_rate = &bus_calc_rate, | ||
236 | .recalc = &bus_clk_recalc, | ||
237 | .set_rate = &bus_clk_set_rate, | ||
238 | .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2}, | ||
239 | .private_data = &ahb_config, | ||
240 | }; | ||
241 | |||
242 | /* auxiliary synthesizers masks */ | ||
243 | static struct aux_clk_masks aux_masks = { | ||
244 | .eq_sel_mask = AUX_EQ_SEL_MASK, | ||
245 | .eq_sel_shift = AUX_EQ_SEL_SHIFT, | ||
246 | .eq1_mask = AUX_EQ1_SEL, | ||
247 | .eq2_mask = AUX_EQ2_SEL, | ||
248 | .xscale_sel_mask = AUX_XSCALE_MASK, | ||
249 | .xscale_sel_shift = AUX_XSCALE_SHIFT, | ||
250 | .yscale_sel_mask = AUX_YSCALE_MASK, | ||
251 | .yscale_sel_shift = AUX_YSCALE_SHIFT, | ||
252 | }; | ||
253 | |||
254 | /* uart configurations */ | ||
255 | static struct aux_clk_config uart_synth_config = { | ||
256 | .synth_reg = UART_CLK_SYNT, | ||
257 | .masks = &aux_masks, | ||
258 | }; | ||
259 | |||
260 | /* aux rate configuration table, in ascending order of rates */ | ||
261 | struct aux_rate_tbl aux_rtbl[] = { | ||
262 | /* For PLL1 = 332 MHz */ | ||
263 | {.xscale = 1, .yscale = 8, .eq = 1}, /* 41.5 MHz */ | ||
264 | {.xscale = 1, .yscale = 4, .eq = 1}, /* 83 MHz */ | ||
265 | {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ | ||
266 | }; | ||
267 | |||
268 | /* uart synth clock */ | ||
269 | static struct clk uart_synth_clk = { | ||
270 | .en_reg = UART_CLK_SYNT, | ||
271 | .en_reg_bit = AUX_SYNT_ENB, | ||
272 | .pclk = &pll1_clk, | ||
273 | .calc_rate = &aux_calc_rate, | ||
274 | .recalc = &aux_clk_recalc, | ||
275 | .set_rate = &aux_clk_set_rate, | ||
276 | .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2}, | ||
277 | .private_data = &uart_synth_config, | ||
278 | }; | ||
279 | |||
280 | /* uart parents */ | ||
281 | static struct pclk_info uart_pclk_info[] = { | ||
282 | { | ||
283 | .pclk = &uart_synth_clk, | ||
284 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
285 | }, { | ||
286 | .pclk = &pll3_48m_clk, | ||
287 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
288 | }, | ||
289 | }; | ||
290 | |||
291 | /* uart parent select structure */ | ||
292 | static struct pclk_sel uart_pclk_sel = { | ||
293 | .pclk_info = uart_pclk_info, | ||
294 | .pclk_count = ARRAY_SIZE(uart_pclk_info), | ||
295 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
296 | .pclk_sel_mask = UART_CLK_MASK, | ||
297 | }; | ||
298 | |||
299 | /* uart0 clock */ | ||
300 | static struct clk uart0_clk = { | ||
301 | .en_reg = PERIP1_CLK_ENB, | ||
302 | .en_reg_bit = UART0_CLK_ENB, | ||
303 | .pclk_sel = &uart_pclk_sel, | ||
304 | .pclk_sel_shift = UART_CLK_SHIFT, | ||
305 | .recalc = &follow_parent, | ||
306 | }; | ||
307 | |||
308 | /* uart1 clock */ | ||
309 | static struct clk uart1_clk = { | ||
310 | .en_reg = PERIP1_CLK_ENB, | ||
311 | .en_reg_bit = UART1_CLK_ENB, | ||
312 | .pclk_sel = &uart_pclk_sel, | ||
313 | .pclk_sel_shift = UART_CLK_SHIFT, | ||
314 | .recalc = &follow_parent, | ||
315 | }; | ||
316 | |||
317 | /* firda configurations */ | ||
318 | static struct aux_clk_config firda_synth_config = { | ||
319 | .synth_reg = FIRDA_CLK_SYNT, | ||
320 | .masks = &aux_masks, | ||
321 | }; | ||
322 | |||
323 | /* firda synth clock */ | ||
324 | static struct clk firda_synth_clk = { | ||
325 | .en_reg = FIRDA_CLK_SYNT, | ||
326 | .en_reg_bit = AUX_SYNT_ENB, | ||
327 | .pclk = &pll1_clk, | ||
328 | .calc_rate = &aux_calc_rate, | ||
329 | .recalc = &aux_clk_recalc, | ||
330 | .set_rate = &aux_clk_set_rate, | ||
331 | .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2}, | ||
332 | .private_data = &firda_synth_config, | ||
333 | }; | ||
334 | |||
335 | /* firda parents */ | ||
336 | static struct pclk_info firda_pclk_info[] = { | ||
337 | { | ||
338 | .pclk = &firda_synth_clk, | ||
339 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
340 | }, { | ||
341 | .pclk = &pll3_48m_clk, | ||
342 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
343 | }, | ||
344 | }; | ||
345 | |||
346 | /* firda parent select structure */ | ||
347 | static struct pclk_sel firda_pclk_sel = { | ||
348 | .pclk_info = firda_pclk_info, | ||
349 | .pclk_count = ARRAY_SIZE(firda_pclk_info), | ||
350 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
351 | .pclk_sel_mask = FIRDA_CLK_MASK, | ||
352 | }; | ||
353 | |||
354 | /* firda clock */ | ||
355 | static struct clk firda_clk = { | ||
356 | .en_reg = PERIP1_CLK_ENB, | ||
357 | .en_reg_bit = FIRDA_CLK_ENB, | ||
358 | .pclk_sel = &firda_pclk_sel, | ||
359 | .pclk_sel_shift = FIRDA_CLK_SHIFT, | ||
360 | .recalc = &follow_parent, | ||
361 | }; | ||
362 | |||
363 | /* clcd configurations */ | ||
364 | static struct aux_clk_config clcd_synth_config = { | ||
365 | .synth_reg = CLCD_CLK_SYNT, | ||
366 | .masks = &aux_masks, | ||
367 | }; | ||
368 | |||
369 | /* firda synth clock */ | ||
370 | static struct clk clcd_synth_clk = { | ||
371 | .en_reg = CLCD_CLK_SYNT, | ||
372 | .en_reg_bit = AUX_SYNT_ENB, | ||
373 | .pclk = &pll1_clk, | ||
374 | .calc_rate = &aux_calc_rate, | ||
375 | .recalc = &aux_clk_recalc, | ||
376 | .set_rate = &aux_clk_set_rate, | ||
377 | .rate_config = {aux_rtbl, ARRAY_SIZE(aux_rtbl), 2}, | ||
378 | .private_data = &clcd_synth_config, | ||
379 | }; | ||
380 | |||
381 | /* clcd parents */ | ||
382 | static struct pclk_info clcd_pclk_info[] = { | ||
383 | { | ||
384 | .pclk = &clcd_synth_clk, | ||
385 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
386 | }, { | ||
387 | .pclk = &pll3_48m_clk, | ||
388 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
389 | }, | ||
390 | }; | ||
391 | |||
392 | /* clcd parent select structure */ | ||
393 | static struct pclk_sel clcd_pclk_sel = { | ||
394 | .pclk_info = clcd_pclk_info, | ||
395 | .pclk_count = ARRAY_SIZE(clcd_pclk_info), | ||
396 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
397 | .pclk_sel_mask = CLCD_CLK_MASK, | ||
398 | }; | ||
399 | |||
400 | /* clcd clock */ | ||
401 | static struct clk clcd_clk = { | ||
402 | .en_reg = PERIP1_CLK_ENB, | ||
403 | .en_reg_bit = CLCD_CLK_ENB, | ||
404 | .pclk_sel = &clcd_pclk_sel, | ||
405 | .pclk_sel_shift = CLCD_CLK_SHIFT, | ||
406 | .recalc = &follow_parent, | ||
407 | }; | ||
408 | |||
409 | /* gpt synthesizer masks */ | ||
410 | static struct gpt_clk_masks gpt_masks = { | ||
411 | .mscale_sel_mask = GPT_MSCALE_MASK, | ||
412 | .mscale_sel_shift = GPT_MSCALE_SHIFT, | ||
413 | .nscale_sel_mask = GPT_NSCALE_MASK, | ||
414 | .nscale_sel_shift = GPT_NSCALE_SHIFT, | ||
415 | }; | ||
416 | |||
417 | /* gpt rate configuration table, in ascending order of rates */ | ||
418 | struct gpt_rate_tbl gpt_rtbl[] = { | ||
419 | /* For pll1 = 332 MHz */ | ||
420 | {.mscale = 4, .nscale = 0}, /* 41.5 MHz */ | ||
421 | {.mscale = 2, .nscale = 0}, /* 55.3 MHz */ | ||
422 | {.mscale = 1, .nscale = 0}, /* 83 MHz */ | ||
423 | }; | ||
424 | |||
425 | /* gpt0 synth clk config*/ | ||
426 | static struct gpt_clk_config gpt0_synth_config = { | ||
427 | .synth_reg = PRSC1_CLK_CFG, | ||
428 | .masks = &gpt_masks, | ||
429 | }; | ||
430 | |||
431 | /* gpt synth clock */ | ||
432 | static struct clk gpt0_synth_clk = { | ||
433 | .flags = ALWAYS_ENABLED, | ||
434 | .pclk = &pll1_clk, | ||
435 | .calc_rate = &gpt_calc_rate, | ||
436 | .recalc = &gpt_clk_recalc, | ||
437 | .set_rate = &gpt_clk_set_rate, | ||
438 | .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, | ||
439 | .private_data = &gpt0_synth_config, | ||
440 | }; | ||
441 | |||
442 | /* gpt parents */ | ||
443 | static struct pclk_info gpt0_pclk_info[] = { | ||
444 | { | ||
445 | .pclk = &gpt0_synth_clk, | ||
446 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
447 | }, { | ||
448 | .pclk = &pll3_48m_clk, | ||
449 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
450 | }, | ||
451 | }; | ||
452 | |||
453 | /* gpt parent select structure */ | ||
454 | static struct pclk_sel gpt0_pclk_sel = { | ||
455 | .pclk_info = gpt0_pclk_info, | ||
456 | .pclk_count = ARRAY_SIZE(gpt0_pclk_info), | ||
457 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
458 | .pclk_sel_mask = GPT_CLK_MASK, | ||
459 | }; | ||
460 | |||
461 | /* gpt0 ARM1 subsystem timer clock */ | ||
462 | static struct clk gpt0_clk = { | ||
463 | .flags = ALWAYS_ENABLED, | ||
464 | .pclk_sel = &gpt0_pclk_sel, | ||
465 | .pclk_sel_shift = GPT0_CLK_SHIFT, | ||
466 | .recalc = &follow_parent, | ||
467 | }; | ||
468 | |||
469 | |||
470 | /* Note: gpt0 and gpt1 share same parent clocks */ | ||
471 | /* gpt parent select structure */ | ||
472 | static struct pclk_sel gpt1_pclk_sel = { | ||
473 | .pclk_info = gpt0_pclk_info, | ||
474 | .pclk_count = ARRAY_SIZE(gpt0_pclk_info), | ||
475 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
476 | .pclk_sel_mask = GPT_CLK_MASK, | ||
477 | }; | ||
478 | |||
479 | /* gpt1 timer clock */ | ||
480 | static struct clk gpt1_clk = { | ||
481 | .flags = ALWAYS_ENABLED, | ||
482 | .pclk_sel = &gpt1_pclk_sel, | ||
483 | .pclk_sel_shift = GPT1_CLK_SHIFT, | ||
484 | .recalc = &follow_parent, | ||
485 | }; | ||
486 | |||
487 | /* gpt2 synth clk config*/ | ||
488 | static struct gpt_clk_config gpt2_synth_config = { | ||
489 | .synth_reg = PRSC2_CLK_CFG, | ||
490 | .masks = &gpt_masks, | ||
491 | }; | ||
492 | |||
493 | /* gpt synth clock */ | ||
494 | static struct clk gpt2_synth_clk = { | ||
495 | .flags = ALWAYS_ENABLED, | ||
496 | .pclk = &pll1_clk, | ||
497 | .calc_rate = &gpt_calc_rate, | ||
498 | .recalc = &gpt_clk_recalc, | ||
499 | .set_rate = &gpt_clk_set_rate, | ||
500 | .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, | ||
501 | .private_data = &gpt2_synth_config, | ||
502 | }; | ||
503 | |||
504 | /* gpt parents */ | ||
505 | static struct pclk_info gpt2_pclk_info[] = { | ||
506 | { | ||
507 | .pclk = &gpt2_synth_clk, | ||
508 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
509 | }, { | ||
510 | .pclk = &pll3_48m_clk, | ||
511 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
512 | }, | ||
513 | }; | ||
514 | |||
515 | /* gpt parent select structure */ | ||
516 | static struct pclk_sel gpt2_pclk_sel = { | ||
517 | .pclk_info = gpt2_pclk_info, | ||
518 | .pclk_count = ARRAY_SIZE(gpt2_pclk_info), | ||
519 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
520 | .pclk_sel_mask = GPT_CLK_MASK, | ||
521 | }; | ||
522 | |||
523 | /* gpt2 timer clock */ | ||
524 | static struct clk gpt2_clk = { | ||
525 | .flags = ALWAYS_ENABLED, | ||
526 | .pclk_sel = &gpt2_pclk_sel, | ||
527 | .pclk_sel_shift = GPT2_CLK_SHIFT, | ||
528 | .recalc = &follow_parent, | ||
529 | }; | ||
530 | |||
531 | /* gpt3 synth clk config*/ | ||
532 | static struct gpt_clk_config gpt3_synth_config = { | ||
533 | .synth_reg = PRSC3_CLK_CFG, | ||
534 | .masks = &gpt_masks, | ||
535 | }; | ||
536 | |||
537 | /* gpt synth clock */ | ||
538 | static struct clk gpt3_synth_clk = { | ||
539 | .flags = ALWAYS_ENABLED, | ||
540 | .pclk = &pll1_clk, | ||
541 | .calc_rate = &gpt_calc_rate, | ||
542 | .recalc = &gpt_clk_recalc, | ||
543 | .set_rate = &gpt_clk_set_rate, | ||
544 | .rate_config = {gpt_rtbl, ARRAY_SIZE(gpt_rtbl), 2}, | ||
545 | .private_data = &gpt3_synth_config, | ||
546 | }; | ||
547 | |||
548 | /* gpt parents */ | ||
549 | static struct pclk_info gpt3_pclk_info[] = { | ||
550 | { | ||
551 | .pclk = &gpt3_synth_clk, | ||
552 | .pclk_val = AUX_CLK_PLL1_VAL, | ||
553 | }, { | ||
554 | .pclk = &pll3_48m_clk, | ||
555 | .pclk_val = AUX_CLK_PLL3_VAL, | ||
556 | }, | ||
557 | }; | ||
558 | |||
559 | /* gpt parent select structure */ | ||
560 | static struct pclk_sel gpt3_pclk_sel = { | ||
561 | .pclk_info = gpt3_pclk_info, | ||
562 | .pclk_count = ARRAY_SIZE(gpt3_pclk_info), | ||
563 | .pclk_sel_reg = PERIP_CLK_CFG, | ||
564 | .pclk_sel_mask = GPT_CLK_MASK, | ||
565 | }; | ||
566 | |||
567 | /* gpt3 timer clock */ | ||
568 | static struct clk gpt3_clk = { | ||
569 | .flags = ALWAYS_ENABLED, | ||
570 | .pclk_sel = &gpt3_pclk_sel, | ||
571 | .pclk_sel_shift = GPT3_CLK_SHIFT, | ||
572 | .recalc = &follow_parent, | ||
573 | }; | ||
574 | |||
575 | /* clock derived from pll3 clk */ | ||
576 | /* usbh0 clock */ | ||
577 | static struct clk usbh0_clk = { | ||
578 | .pclk = &pll3_48m_clk, | ||
579 | .en_reg = PERIP1_CLK_ENB, | ||
580 | .en_reg_bit = USBH0_CLK_ENB, | ||
581 | .recalc = &follow_parent, | ||
582 | }; | ||
583 | |||
584 | /* usbh1 clock */ | ||
585 | static struct clk usbh1_clk = { | ||
586 | .pclk = &pll3_48m_clk, | ||
587 | .en_reg = PERIP1_CLK_ENB, | ||
588 | .en_reg_bit = USBH1_CLK_ENB, | ||
589 | .recalc = &follow_parent, | ||
590 | }; | ||
591 | |||
592 | /* usbd clock */ | ||
593 | static struct clk usbd_clk = { | ||
594 | .pclk = &pll3_48m_clk, | ||
595 | .en_reg = PERIP1_CLK_ENB, | ||
596 | .en_reg_bit = USBD_CLK_ENB, | ||
597 | .recalc = &follow_parent, | ||
598 | }; | ||
599 | |||
600 | /* clock derived from ahb clk */ | ||
601 | /* apb masks structure */ | ||
602 | static struct bus_clk_masks apb_masks = { | ||
603 | .mask = HCLK_PCLK_RATIO_MASK, | ||
604 | .shift = HCLK_PCLK_RATIO_SHIFT, | ||
605 | }; | ||
606 | |||
607 | /* apb configuration structure */ | ||
608 | static struct bus_clk_config apb_config = { | ||
609 | .reg = CORE_CLK_CFG, | ||
610 | .masks = &apb_masks, | ||
611 | }; | ||
612 | |||
613 | /* apb clock */ | ||
614 | static struct clk apb_clk = { | ||
615 | .flags = ALWAYS_ENABLED, | ||
616 | .pclk = &ahb_clk, | ||
617 | .calc_rate = &bus_calc_rate, | ||
618 | .recalc = &bus_clk_recalc, | ||
619 | .set_rate = &bus_clk_set_rate, | ||
620 | .rate_config = {bus_rtbl, ARRAY_SIZE(bus_rtbl), 2}, | ||
621 | .private_data = &apb_config, | ||
622 | }; | ||
623 | |||
624 | /* i2c clock */ | ||
625 | static struct clk i2c_clk = { | ||
626 | .pclk = &ahb_clk, | ||
627 | .en_reg = PERIP1_CLK_ENB, | ||
628 | .en_reg_bit = I2C_CLK_ENB, | ||
629 | .recalc = &follow_parent, | ||
630 | }; | ||
631 | |||
632 | /* dma clock */ | ||
633 | static struct clk dma_clk = { | ||
634 | .pclk = &ahb_clk, | ||
635 | .en_reg = PERIP1_CLK_ENB, | ||
636 | .en_reg_bit = DMA_CLK_ENB, | ||
637 | .recalc = &follow_parent, | ||
638 | }; | ||
639 | |||
640 | /* jpeg clock */ | ||
641 | static struct clk jpeg_clk = { | ||
642 | .pclk = &ahb_clk, | ||
643 | .en_reg = PERIP1_CLK_ENB, | ||
644 | .en_reg_bit = JPEG_CLK_ENB, | ||
645 | .recalc = &follow_parent, | ||
646 | }; | ||
647 | |||
648 | /* gmac clock */ | ||
649 | static struct clk gmac_clk = { | ||
650 | .pclk = &ahb_clk, | ||
651 | .en_reg = PERIP1_CLK_ENB, | ||
652 | .en_reg_bit = GMAC_CLK_ENB, | ||
653 | .recalc = &follow_parent, | ||
654 | }; | ||
655 | |||
656 | /* smi clock */ | ||
657 | static struct clk smi_clk = { | ||
658 | .pclk = &ahb_clk, | ||
659 | .en_reg = PERIP1_CLK_ENB, | ||
660 | .en_reg_bit = SMI_CLK_ENB, | ||
661 | .recalc = &follow_parent, | ||
662 | }; | ||
663 | |||
664 | /* fsmc clock */ | ||
665 | static struct clk fsmc_clk = { | ||
666 | .pclk = &ahb_clk, | ||
667 | .en_reg = PERIP1_CLK_ENB, | ||
668 | .en_reg_bit = FSMC_CLK_ENB, | ||
669 | .recalc = &follow_parent, | ||
670 | }; | ||
671 | |||
672 | /* clock derived from apb clk */ | ||
673 | /* adc clock */ | ||
674 | static struct clk adc_clk = { | ||
675 | .pclk = &apb_clk, | ||
676 | .en_reg = PERIP1_CLK_ENB, | ||
677 | .en_reg_bit = ADC_CLK_ENB, | ||
678 | .recalc = &follow_parent, | ||
679 | }; | ||
680 | |||
681 | /* ssp0 clock */ | ||
682 | static struct clk ssp0_clk = { | ||
683 | .pclk = &apb_clk, | ||
684 | .en_reg = PERIP1_CLK_ENB, | ||
685 | .en_reg_bit = SSP0_CLK_ENB, | ||
686 | .recalc = &follow_parent, | ||
687 | }; | ||
688 | |||
689 | /* ssp1 clock */ | ||
690 | static struct clk ssp1_clk = { | ||
691 | .pclk = &apb_clk, | ||
692 | .en_reg = PERIP1_CLK_ENB, | ||
693 | .en_reg_bit = SSP1_CLK_ENB, | ||
694 | .recalc = &follow_parent, | ||
695 | }; | ||
696 | |||
697 | /* ssp2 clock */ | ||
698 | static struct clk ssp2_clk = { | ||
699 | .pclk = &apb_clk, | ||
700 | .en_reg = PERIP1_CLK_ENB, | ||
701 | .en_reg_bit = SSP2_CLK_ENB, | ||
702 | .recalc = &follow_parent, | ||
703 | }; | ||
704 | |||
705 | /* gpio0 ARM subsystem clock */ | ||
706 | static struct clk gpio0_clk = { | ||
707 | .flags = ALWAYS_ENABLED, | ||
708 | .pclk = &apb_clk, | ||
709 | .recalc = &follow_parent, | ||
710 | }; | ||
711 | |||
712 | /* gpio1 clock */ | ||
713 | static struct clk gpio1_clk = { | ||
714 | .pclk = &apb_clk, | ||
715 | .en_reg = PERIP1_CLK_ENB, | ||
716 | .en_reg_bit = GPIO1_CLK_ENB, | ||
717 | .recalc = &follow_parent, | ||
718 | }; | ||
719 | |||
720 | /* gpio2 clock */ | ||
721 | static struct clk gpio2_clk = { | ||
722 | .pclk = &apb_clk, | ||
723 | .en_reg = PERIP1_CLK_ENB, | ||
724 | .en_reg_bit = GPIO2_CLK_ENB, | ||
725 | .recalc = &follow_parent, | ||
726 | }; | ||
727 | |||
728 | static struct clk dummy_apb_pclk; | ||
729 | |||
730 | /* array of all spear 6xx clock lookups */ | ||
731 | static struct clk_lookup spear_clk_lookups[] = { | ||
732 | CLKDEV_INIT(NULL, "apb_pclk", &dummy_apb_pclk), | ||
733 | /* root clks */ | ||
734 | CLKDEV_INIT(NULL, "osc_32k_clk", &osc_32k_clk), | ||
735 | CLKDEV_INIT(NULL, "osc_30m_clk", &osc_30m_clk), | ||
736 | /* clock derived from 32 KHz os clk */ | ||
737 | CLKDEV_INIT("rtc-spear", NULL, &rtc_clk), | ||
738 | /* clock derived from 30 MHz os clk */ | ||
739 | CLKDEV_INIT(NULL, "pll1_clk", &pll1_clk), | ||
740 | CLKDEV_INIT(NULL, "pll3_48m_clk", &pll3_48m_clk), | ||
741 | CLKDEV_INIT("wdt", NULL, &wdt_clk), | ||
742 | /* clock derived from pll1 clk */ | ||
743 | CLKDEV_INIT(NULL, "cpu_clk", &cpu_clk), | ||
744 | CLKDEV_INIT(NULL, "ahb_clk", &ahb_clk), | ||
745 | CLKDEV_INIT(NULL, "uart_synth_clk", &uart_synth_clk), | ||
746 | CLKDEV_INIT(NULL, "firda_synth_clk", &firda_synth_clk), | ||
747 | CLKDEV_INIT(NULL, "clcd_synth_clk", &clcd_synth_clk), | ||
748 | CLKDEV_INIT(NULL, "gpt0_synth_clk", &gpt0_synth_clk), | ||
749 | CLKDEV_INIT(NULL, "gpt2_synth_clk", &gpt2_synth_clk), | ||
750 | CLKDEV_INIT(NULL, "gpt3_synth_clk", &gpt3_synth_clk), | ||
751 | CLKDEV_INIT("d0000000.serial", NULL, &uart0_clk), | ||
752 | CLKDEV_INIT("d0080000.serial", NULL, &uart1_clk), | ||
753 | CLKDEV_INIT("firda", NULL, &firda_clk), | ||
754 | CLKDEV_INIT("clcd", NULL, &clcd_clk), | ||
755 | CLKDEV_INIT("gpt0", NULL, &gpt0_clk), | ||
756 | CLKDEV_INIT("gpt1", NULL, &gpt1_clk), | ||
757 | CLKDEV_INIT("gpt2", NULL, &gpt2_clk), | ||
758 | CLKDEV_INIT("gpt3", NULL, &gpt3_clk), | ||
759 | /* clock derived from pll3 clk */ | ||
760 | CLKDEV_INIT("designware_udc", NULL, &usbd_clk), | ||
761 | CLKDEV_INIT(NULL, "usbh.0_clk", &usbh0_clk), | ||
762 | CLKDEV_INIT(NULL, "usbh.1_clk", &usbh1_clk), | ||
763 | /* clock derived from ahb clk */ | ||
764 | CLKDEV_INIT(NULL, "apb_clk", &apb_clk), | ||
765 | CLKDEV_INIT("d0200000.i2c", NULL, &i2c_clk), | ||
766 | CLKDEV_INIT("fc400000.dma", NULL, &dma_clk), | ||
767 | CLKDEV_INIT("jpeg", NULL, &jpeg_clk), | ||
768 | CLKDEV_INIT("gmac", NULL, &gmac_clk), | ||
769 | CLKDEV_INIT("fc000000.flash", NULL, &smi_clk), | ||
770 | CLKDEV_INIT("d1800000.flash", NULL, &fsmc_clk), | ||
771 | /* clock derived from apb clk */ | ||
772 | CLKDEV_INIT("adc", NULL, &adc_clk), | ||
773 | CLKDEV_INIT("ssp-pl022.0", NULL, &ssp0_clk), | ||
774 | CLKDEV_INIT("ssp-pl022.1", NULL, &ssp1_clk), | ||
775 | CLKDEV_INIT("ssp-pl022.2", NULL, &ssp2_clk), | ||
776 | CLKDEV_INIT("f0100000.gpio", NULL, &gpio0_clk), | ||
777 | CLKDEV_INIT("fc980000.gpio", NULL, &gpio1_clk), | ||
778 | CLKDEV_INIT("d8100000.gpio", NULL, &gpio2_clk), | ||
779 | }; | ||
780 | |||
781 | void __init spear6xx_clk_init(void) | ||
782 | { | ||
783 | int i; | ||
784 | |||
785 | for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++) | ||
786 | clk_register(&spear_clk_lookups[i]); | ||
787 | |||
788 | clk_init(); | ||
789 | } | ||
diff --git a/arch/arm/mach-spear6xx/include/mach/generic.h b/arch/arm/mach-spear6xx/include/mach/generic.h index 7167fd331d86..65514b159370 100644 --- a/arch/arm/mach-spear6xx/include/mach/generic.h +++ b/arch/arm/mach-spear6xx/include/mach/generic.h | |||
@@ -16,7 +16,7 @@ | |||
16 | 16 | ||
17 | #include <linux/init.h> | 17 | #include <linux/init.h> |
18 | 18 | ||
19 | void __init spear_setup_timer(resource_size_t base, int irq); | 19 | void __init spear_setup_of_timer(void); |
20 | void spear_restart(char, const char *); | 20 | void spear_restart(char, const char *); |
21 | void __init spear6xx_clk_init(void); | 21 | void __init spear6xx_clk_init(void); |
22 | 22 | ||
diff --git a/arch/arm/mach-spear6xx/include/mach/irqs.h b/arch/arm/mach-spear6xx/include/mach/irqs.h index 2b735389e74b..37a5c411a866 100644 --- a/arch/arm/mach-spear6xx/include/mach/irqs.h +++ b/arch/arm/mach-spear6xx/include/mach/irqs.h | |||
@@ -16,9 +16,6 @@ | |||
16 | 16 | ||
17 | /* IRQ definitions */ | 17 | /* IRQ definitions */ |
18 | /* VIC 1 */ | 18 | /* VIC 1 */ |
19 | /* FIXME: probe this from DT */ | ||
20 | #define IRQ_CPU_GPT1_1 16 | ||
21 | |||
22 | #define IRQ_VIC_END 64 | 19 | #define IRQ_VIC_END 64 |
23 | 20 | ||
24 | /* GPIO pins virtual irqs */ | 21 | /* GPIO pins virtual irqs */ |
diff --git a/arch/arm/mach-spear6xx/include/mach/misc_regs.h b/arch/arm/mach-spear6xx/include/mach/misc_regs.h index 2b9aaa6cdd11..179e45774b3a 100644 --- a/arch/arm/mach-spear6xx/include/mach/misc_regs.h +++ b/arch/arm/mach-spear6xx/include/mach/misc_regs.h | |||
@@ -14,6 +14,8 @@ | |||
14 | #ifndef __MACH_MISC_REGS_H | 14 | #ifndef __MACH_MISC_REGS_H |
15 | #define __MACH_MISC_REGS_H | 15 | #define __MACH_MISC_REGS_H |
16 | 16 | ||
17 | #include <mach/spear.h> | ||
18 | |||
17 | #define MISC_BASE IOMEM(VA_SPEAR6XX_ICM3_MISC_REG_BASE) | 19 | #define MISC_BASE IOMEM(VA_SPEAR6XX_ICM3_MISC_REG_BASE) |
18 | #define DMA_CHN_CFG (MISC_BASE + 0x0A0) | 20 | #define DMA_CHN_CFG (MISC_BASE + 0x0A0) |
19 | 21 | ||
diff --git a/arch/arm/mach-spear6xx/include/mach/spear.h b/arch/arm/mach-spear6xx/include/mach/spear.h index d278ed047a53..cb8ed2f4dc85 100644 --- a/arch/arm/mach-spear6xx/include/mach/spear.h +++ b/arch/arm/mach-spear6xx/include/mach/spear.h | |||
@@ -25,7 +25,6 @@ | |||
25 | /* ML-1, 2 - Multi Layer CPU Subsystem */ | 25 | /* ML-1, 2 - Multi Layer CPU Subsystem */ |
26 | #define SPEAR6XX_ML_CPU_BASE UL(0xF0000000) | 26 | #define SPEAR6XX_ML_CPU_BASE UL(0xF0000000) |
27 | #define VA_SPEAR6XX_ML_CPU_BASE UL(0xF0000000) | 27 | #define VA_SPEAR6XX_ML_CPU_BASE UL(0xF0000000) |
28 | #define SPEAR6XX_CPU_TMR_BASE UL(0xF0000000) | ||
29 | 28 | ||
30 | /* ICM3 - Basic Subsystem */ | 29 | /* ICM3 - Basic Subsystem */ |
31 | #define SPEAR6XX_ICM3_SMI_CTRL_BASE UL(0xFC000000) | 30 | #define SPEAR6XX_ICM3_SMI_CTRL_BASE UL(0xFC000000) |
diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c index de194dbb8371..2e2e3596583e 100644 --- a/arch/arm/mach-spear6xx/spear6xx.c +++ b/arch/arm/mach-spear6xx/spear6xx.c | |||
@@ -419,9 +419,6 @@ struct map_desc spear6xx_io_desc[] __initdata = { | |||
419 | void __init spear6xx_map_io(void) | 419 | void __init spear6xx_map_io(void) |
420 | { | 420 | { |
421 | iotable_init(spear6xx_io_desc, ARRAY_SIZE(spear6xx_io_desc)); | 421 | iotable_init(spear6xx_io_desc, ARRAY_SIZE(spear6xx_io_desc)); |
422 | |||
423 | /* This will initialize clock framework */ | ||
424 | spear6xx_clk_init(); | ||
425 | } | 422 | } |
426 | 423 | ||
427 | static void __init spear6xx_timer_init(void) | 424 | static void __init spear6xx_timer_init(void) |
@@ -429,6 +426,8 @@ static void __init spear6xx_timer_init(void) | |||
429 | char pclk_name[] = "pll3_48m_clk"; | 426 | char pclk_name[] = "pll3_48m_clk"; |
430 | struct clk *gpt_clk, *pclk; | 427 | struct clk *gpt_clk, *pclk; |
431 | 428 | ||
429 | spear6xx_clk_init(); | ||
430 | |||
432 | /* get the system timer clock */ | 431 | /* get the system timer clock */ |
433 | gpt_clk = clk_get_sys("gpt0", NULL); | 432 | gpt_clk = clk_get_sys("gpt0", NULL); |
434 | if (IS_ERR(gpt_clk)) { | 433 | if (IS_ERR(gpt_clk)) { |
@@ -448,7 +447,7 @@ static void __init spear6xx_timer_init(void) | |||
448 | clk_put(gpt_clk); | 447 | clk_put(gpt_clk); |
449 | clk_put(pclk); | 448 | clk_put(pclk); |
450 | 449 | ||
451 | spear_setup_timer(SPEAR6XX_CPU_TMR_BASE, IRQ_CPU_GPT1_1); | 450 | spear_setup_of_timer(); |
452 | } | 451 | } |
453 | 452 | ||
454 | struct sys_timer spear6xx_timer = { | 453 | struct sys_timer spear6xx_timer = { |
diff --git a/arch/arm/plat-mxc/clock.c b/arch/arm/plat-mxc/clock.c index 2ed3ab173add..5079787273d2 100644 --- a/arch/arm/plat-mxc/clock.c +++ b/arch/arm/plat-mxc/clock.c | |||
@@ -41,6 +41,7 @@ | |||
41 | #include <mach/clock.h> | 41 | #include <mach/clock.h> |
42 | #include <mach/hardware.h> | 42 | #include <mach/hardware.h> |
43 | 43 | ||
44 | #ifndef CONFIG_COMMON_CLK | ||
44 | static LIST_HEAD(clocks); | 45 | static LIST_HEAD(clocks); |
45 | static DEFINE_MUTEX(clocks_mutex); | 46 | static DEFINE_MUTEX(clocks_mutex); |
46 | 47 | ||
@@ -200,6 +201,16 @@ struct clk *clk_get_parent(struct clk *clk) | |||
200 | } | 201 | } |
201 | EXPORT_SYMBOL(clk_get_parent); | 202 | EXPORT_SYMBOL(clk_get_parent); |
202 | 203 | ||
204 | #else | ||
205 | |||
206 | /* | ||
207 | * Lock to protect the clock module (ccm) registers. Used | ||
208 | * on all i.MXs | ||
209 | */ | ||
210 | DEFINE_SPINLOCK(imx_ccm_lock); | ||
211 | |||
212 | #endif /* CONFIG_COMMON_CLK */ | ||
213 | |||
203 | /* | 214 | /* |
204 | * Get the resulting clock rate from a PLL register value and the input | 215 | * Get the resulting clock rate from a PLL register value and the input |
205 | * frequency. PLLs with this register layout can at least be found on | 216 | * frequency. PLLs with this register layout can at least be found on |
diff --git a/arch/arm/plat-mxc/include/mach/clock.h b/arch/arm/plat-mxc/include/mach/clock.h index 753a5988d85c..bd940c795cbb 100644 --- a/arch/arm/plat-mxc/include/mach/clock.h +++ b/arch/arm/plat-mxc/include/mach/clock.h | |||
@@ -23,6 +23,7 @@ | |||
23 | #ifndef __ASSEMBLY__ | 23 | #ifndef __ASSEMBLY__ |
24 | #include <linux/list.h> | 24 | #include <linux/list.h> |
25 | 25 | ||
26 | #ifndef CONFIG_COMMON_CLK | ||
26 | struct module; | 27 | struct module; |
27 | 28 | ||
28 | struct clk { | 29 | struct clk { |
@@ -59,6 +60,9 @@ struct clk { | |||
59 | 60 | ||
60 | int clk_register(struct clk *clk); | 61 | int clk_register(struct clk *clk); |
61 | void clk_unregister(struct clk *clk); | 62 | void clk_unregister(struct clk *clk); |
63 | #endif /* CONFIG_COMMON_CLK */ | ||
64 | |||
65 | extern spinlock_t imx_ccm_lock; | ||
62 | 66 | ||
63 | unsigned long mxc_decode_pll(unsigned int pll, u32 f_ref); | 67 | unsigned long mxc_decode_pll(unsigned int pll, u32 f_ref); |
64 | 68 | ||
diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c index 7daf7c9a413b..99f958ca6cb8 100644 --- a/arch/arm/plat-mxc/time.c +++ b/arch/arm/plat-mxc/time.c | |||
@@ -25,6 +25,7 @@ | |||
25 | #include <linux/irq.h> | 25 | #include <linux/irq.h> |
26 | #include <linux/clockchips.h> | 26 | #include <linux/clockchips.h> |
27 | #include <linux/clk.h> | 27 | #include <linux/clk.h> |
28 | #include <linux/err.h> | ||
28 | 29 | ||
29 | #include <mach/hardware.h> | 30 | #include <mach/hardware.h> |
30 | #include <asm/sched_clock.h> | 31 | #include <asm/sched_clock.h> |
@@ -282,6 +283,19 @@ static int __init mxc_clockevent_init(struct clk *timer_clk) | |||
282 | void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq) | 283 | void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq) |
283 | { | 284 | { |
284 | uint32_t tctl_val; | 285 | uint32_t tctl_val; |
286 | struct clk *timer_ipg_clk; | ||
287 | |||
288 | if (!timer_clk) { | ||
289 | timer_clk = clk_get_sys("imx-gpt.0", "per"); | ||
290 | if (IS_ERR(timer_clk)) { | ||
291 | pr_err("i.MX timer: unable to get clk\n"); | ||
292 | return; | ||
293 | } | ||
294 | |||
295 | timer_ipg_clk = clk_get_sys("imx-gpt.0", "ipg"); | ||
296 | if (!IS_ERR(timer_ipg_clk)) | ||
297 | clk_prepare_enable(timer_ipg_clk); | ||
298 | } | ||
285 | 299 | ||
286 | clk_prepare_enable(timer_clk); | 300 | clk_prepare_enable(timer_clk); |
287 | 301 | ||
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index 74daf5ed1432..61fd837624a8 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c | |||
@@ -14,15 +14,41 @@ | |||
14 | #include <linux/dma-mapping.h> | 14 | #include <linux/dma-mapping.h> |
15 | #include <linux/serial_8250.h> | 15 | #include <linux/serial_8250.h> |
16 | #include <linux/ata_platform.h> | 16 | #include <linux/ata_platform.h> |
17 | #include <linux/clk.h> | ||
18 | #include <linux/clkdev.h> | ||
17 | #include <linux/mv643xx_eth.h> | 19 | #include <linux/mv643xx_eth.h> |
18 | #include <linux/mv643xx_i2c.h> | 20 | #include <linux/mv643xx_i2c.h> |
19 | #include <net/dsa.h> | 21 | #include <net/dsa.h> |
20 | #include <linux/spi/orion_spi.h> | ||
21 | #include <plat/orion_wdt.h> | ||
22 | #include <plat/mv_xor.h> | 22 | #include <plat/mv_xor.h> |
23 | #include <plat/ehci-orion.h> | 23 | #include <plat/ehci-orion.h> |
24 | #include <mach/bridge-regs.h> | 24 | #include <mach/bridge-regs.h> |
25 | 25 | ||
26 | /* Create a clkdev entry for a given device/clk */ | ||
27 | void __init orion_clkdev_add(const char *con_id, const char *dev_id, | ||
28 | struct clk *clk) | ||
29 | { | ||
30 | struct clk_lookup *cl; | ||
31 | |||
32 | cl = clkdev_alloc(clk, con_id, dev_id); | ||
33 | if (cl) | ||
34 | clkdev_add(cl); | ||
35 | } | ||
36 | |||
37 | /* Create clkdev entries for all orion platforms except kirkwood. | ||
38 | Kirkwood has gated clocks for some of its peripherals, so creates | ||
39 | its own clkdev entries. For all the other orion devices, create | ||
40 | clkdev entries to the tclk. */ | ||
41 | void __init orion_clkdev_init(struct clk *tclk) | ||
42 | { | ||
43 | orion_clkdev_add(NULL, "orion_spi.0", tclk); | ||
44 | orion_clkdev_add(NULL, "orion_spi.1", tclk); | ||
45 | orion_clkdev_add(NULL, MV643XX_ETH_NAME ".0", tclk); | ||
46 | orion_clkdev_add(NULL, MV643XX_ETH_NAME ".1", tclk); | ||
47 | orion_clkdev_add(NULL, MV643XX_ETH_NAME ".2", tclk); | ||
48 | orion_clkdev_add(NULL, MV643XX_ETH_NAME ".3", tclk); | ||
49 | orion_clkdev_add(NULL, "orion_wdt", tclk); | ||
50 | } | ||
51 | |||
26 | /* Fill in the resources structure and link it into the platform | 52 | /* Fill in the resources structure and link it into the platform |
27 | device structure. There is always a memory region, and nearly | 53 | device structure. There is always a memory region, and nearly |
28 | always an interrupt.*/ | 54 | always an interrupt.*/ |
@@ -49,6 +75,12 @@ static void fill_resources(struct platform_device *device, | |||
49 | /***************************************************************************** | 75 | /***************************************************************************** |
50 | * UART | 76 | * UART |
51 | ****************************************************************************/ | 77 | ****************************************************************************/ |
78 | static unsigned long __init uart_get_clk_rate(struct clk *clk) | ||
79 | { | ||
80 | clk_prepare_enable(clk); | ||
81 | return clk_get_rate(clk); | ||
82 | } | ||
83 | |||
52 | static void __init uart_complete( | 84 | static void __init uart_complete( |
53 | struct platform_device *orion_uart, | 85 | struct platform_device *orion_uart, |
54 | struct plat_serial8250_port *data, | 86 | struct plat_serial8250_port *data, |
@@ -56,12 +88,12 @@ static void __init uart_complete( | |||
56 | unsigned int membase, | 88 | unsigned int membase, |
57 | resource_size_t mapbase, | 89 | resource_size_t mapbase, |
58 | unsigned int irq, | 90 | unsigned int irq, |
59 | unsigned int uartclk) | 91 | struct clk *clk) |
60 | { | 92 | { |
61 | data->mapbase = mapbase; | 93 | data->mapbase = mapbase; |
62 | data->membase = (void __iomem *)membase; | 94 | data->membase = (void __iomem *)membase; |
63 | data->irq = irq; | 95 | data->irq = irq; |
64 | data->uartclk = uartclk; | 96 | data->uartclk = uart_get_clk_rate(clk); |
65 | orion_uart->dev.platform_data = data; | 97 | orion_uart->dev.platform_data = data; |
66 | 98 | ||
67 | fill_resources(orion_uart, resources, mapbase, 0xff, irq); | 99 | fill_resources(orion_uart, resources, mapbase, 0xff, irq); |
@@ -90,10 +122,10 @@ static struct platform_device orion_uart0 = { | |||
90 | void __init orion_uart0_init(unsigned int membase, | 122 | void __init orion_uart0_init(unsigned int membase, |
91 | resource_size_t mapbase, | 123 | resource_size_t mapbase, |
92 | unsigned int irq, | 124 | unsigned int irq, |
93 | unsigned int uartclk) | 125 | struct clk *clk) |
94 | { | 126 | { |
95 | uart_complete(&orion_uart0, orion_uart0_data, orion_uart0_resources, | 127 | uart_complete(&orion_uart0, orion_uart0_data, orion_uart0_resources, |
96 | membase, mapbase, irq, uartclk); | 128 | membase, mapbase, irq, clk); |
97 | } | 129 | } |
98 | 130 | ||
99 | /***************************************************************************** | 131 | /***************************************************************************** |
@@ -118,10 +150,10 @@ static struct platform_device orion_uart1 = { | |||
118 | void __init orion_uart1_init(unsigned int membase, | 150 | void __init orion_uart1_init(unsigned int membase, |
119 | resource_size_t mapbase, | 151 | resource_size_t mapbase, |
120 | unsigned int irq, | 152 | unsigned int irq, |
121 | unsigned int uartclk) | 153 | struct clk *clk) |
122 | { | 154 | { |
123 | uart_complete(&orion_uart1, orion_uart1_data, orion_uart1_resources, | 155 | uart_complete(&orion_uart1, orion_uart1_data, orion_uart1_resources, |
124 | membase, mapbase, irq, uartclk); | 156 | membase, mapbase, irq, clk); |
125 | } | 157 | } |
126 | 158 | ||
127 | /***************************************************************************** | 159 | /***************************************************************************** |
@@ -146,10 +178,10 @@ static struct platform_device orion_uart2 = { | |||
146 | void __init orion_uart2_init(unsigned int membase, | 178 | void __init orion_uart2_init(unsigned int membase, |
147 | resource_size_t mapbase, | 179 | resource_size_t mapbase, |
148 | unsigned int irq, | 180 | unsigned int irq, |
149 | unsigned int uartclk) | 181 | struct clk *clk) |
150 | { | 182 | { |
151 | uart_complete(&orion_uart2, orion_uart2_data, orion_uart2_resources, | 183 | uart_complete(&orion_uart2, orion_uart2_data, orion_uart2_resources, |
152 | membase, mapbase, irq, uartclk); | 184 | membase, mapbase, irq, clk); |
153 | } | 185 | } |
154 | 186 | ||
155 | /***************************************************************************** | 187 | /***************************************************************************** |
@@ -174,10 +206,10 @@ static struct platform_device orion_uart3 = { | |||
174 | void __init orion_uart3_init(unsigned int membase, | 206 | void __init orion_uart3_init(unsigned int membase, |
175 | resource_size_t mapbase, | 207 | resource_size_t mapbase, |
176 | unsigned int irq, | 208 | unsigned int irq, |
177 | unsigned int uartclk) | 209 | struct clk *clk) |
178 | { | 210 | { |
179 | uart_complete(&orion_uart3, orion_uart3_data, orion_uart3_resources, | 211 | uart_complete(&orion_uart3, orion_uart3_data, orion_uart3_resources, |
180 | membase, mapbase, irq, uartclk); | 212 | membase, mapbase, irq, clk); |
181 | } | 213 | } |
182 | 214 | ||
183 | /***************************************************************************** | 215 | /***************************************************************************** |
@@ -203,13 +235,11 @@ void __init orion_rtc_init(unsigned long mapbase, | |||
203 | ****************************************************************************/ | 235 | ****************************************************************************/ |
204 | static __init void ge_complete( | 236 | static __init void ge_complete( |
205 | struct mv643xx_eth_shared_platform_data *orion_ge_shared_data, | 237 | struct mv643xx_eth_shared_platform_data *orion_ge_shared_data, |
206 | int tclk, | ||
207 | struct resource *orion_ge_resource, unsigned long irq, | 238 | struct resource *orion_ge_resource, unsigned long irq, |
208 | struct platform_device *orion_ge_shared, | 239 | struct platform_device *orion_ge_shared, |
209 | struct mv643xx_eth_platform_data *eth_data, | 240 | struct mv643xx_eth_platform_data *eth_data, |
210 | struct platform_device *orion_ge) | 241 | struct platform_device *orion_ge) |
211 | { | 242 | { |
212 | orion_ge_shared_data->t_clk = tclk; | ||
213 | orion_ge_resource->start = irq; | 243 | orion_ge_resource->start = irq; |
214 | orion_ge_resource->end = irq; | 244 | orion_ge_resource->end = irq; |
215 | eth_data->shared = orion_ge_shared; | 245 | eth_data->shared = orion_ge_shared; |
@@ -260,12 +290,11 @@ static struct platform_device orion_ge00 = { | |||
260 | void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data, | 290 | void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data, |
261 | unsigned long mapbase, | 291 | unsigned long mapbase, |
262 | unsigned long irq, | 292 | unsigned long irq, |
263 | unsigned long irq_err, | 293 | unsigned long irq_err) |
264 | int tclk) | ||
265 | { | 294 | { |
266 | fill_resources(&orion_ge00_shared, orion_ge00_shared_resources, | 295 | fill_resources(&orion_ge00_shared, orion_ge00_shared_resources, |
267 | mapbase + 0x2000, SZ_16K - 1, irq_err); | 296 | mapbase + 0x2000, SZ_16K - 1, irq_err); |
268 | ge_complete(&orion_ge00_shared_data, tclk, | 297 | ge_complete(&orion_ge00_shared_data, |
269 | orion_ge00_resources, irq, &orion_ge00_shared, | 298 | orion_ge00_resources, irq, &orion_ge00_shared, |
270 | eth_data, &orion_ge00); | 299 | eth_data, &orion_ge00); |
271 | } | 300 | } |
@@ -313,12 +342,11 @@ static struct platform_device orion_ge01 = { | |||
313 | void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data, | 342 | void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data, |
314 | unsigned long mapbase, | 343 | unsigned long mapbase, |
315 | unsigned long irq, | 344 | unsigned long irq, |
316 | unsigned long irq_err, | 345 | unsigned long irq_err) |
317 | int tclk) | ||
318 | { | 346 | { |
319 | fill_resources(&orion_ge01_shared, orion_ge01_shared_resources, | 347 | fill_resources(&orion_ge01_shared, orion_ge01_shared_resources, |
320 | mapbase + 0x2000, SZ_16K - 1, irq_err); | 348 | mapbase + 0x2000, SZ_16K - 1, irq_err); |
321 | ge_complete(&orion_ge01_shared_data, tclk, | 349 | ge_complete(&orion_ge01_shared_data, |
322 | orion_ge01_resources, irq, &orion_ge01_shared, | 350 | orion_ge01_resources, irq, &orion_ge01_shared, |
323 | eth_data, &orion_ge01); | 351 | eth_data, &orion_ge01); |
324 | } | 352 | } |
@@ -366,12 +394,11 @@ static struct platform_device orion_ge10 = { | |||
366 | void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data, | 394 | void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data, |
367 | unsigned long mapbase, | 395 | unsigned long mapbase, |
368 | unsigned long irq, | 396 | unsigned long irq, |
369 | unsigned long irq_err, | 397 | unsigned long irq_err) |
370 | int tclk) | ||
371 | { | 398 | { |
372 | fill_resources(&orion_ge10_shared, orion_ge10_shared_resources, | 399 | fill_resources(&orion_ge10_shared, orion_ge10_shared_resources, |
373 | mapbase + 0x2000, SZ_16K - 1, irq_err); | 400 | mapbase + 0x2000, SZ_16K - 1, irq_err); |
374 | ge_complete(&orion_ge10_shared_data, tclk, | 401 | ge_complete(&orion_ge10_shared_data, |
375 | orion_ge10_resources, irq, &orion_ge10_shared, | 402 | orion_ge10_resources, irq, &orion_ge10_shared, |
376 | eth_data, &orion_ge10); | 403 | eth_data, &orion_ge10); |
377 | } | 404 | } |
@@ -419,12 +446,11 @@ static struct platform_device orion_ge11 = { | |||
419 | void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data, | 446 | void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data, |
420 | unsigned long mapbase, | 447 | unsigned long mapbase, |
421 | unsigned long irq, | 448 | unsigned long irq, |
422 | unsigned long irq_err, | 449 | unsigned long irq_err) |
423 | int tclk) | ||
424 | { | 450 | { |
425 | fill_resources(&orion_ge11_shared, orion_ge11_shared_resources, | 451 | fill_resources(&orion_ge11_shared, orion_ge11_shared_resources, |
426 | mapbase + 0x2000, SZ_16K - 1, irq_err); | 452 | mapbase + 0x2000, SZ_16K - 1, irq_err); |
427 | ge_complete(&orion_ge11_shared_data, tclk, | 453 | ge_complete(&orion_ge11_shared_data, |
428 | orion_ge11_resources, irq, &orion_ge11_shared, | 454 | orion_ge11_resources, irq, &orion_ge11_shared, |
429 | eth_data, &orion_ge11); | 455 | eth_data, &orion_ge11); |
430 | } | 456 | } |
@@ -521,44 +547,32 @@ void __init orion_i2c_1_init(unsigned long mapbase, | |||
521 | /***************************************************************************** | 547 | /***************************************************************************** |
522 | * SPI | 548 | * SPI |
523 | ****************************************************************************/ | 549 | ****************************************************************************/ |
524 | static struct orion_spi_info orion_spi_plat_data; | ||
525 | static struct resource orion_spi_resources; | 550 | static struct resource orion_spi_resources; |
526 | 551 | ||
527 | static struct platform_device orion_spi = { | 552 | static struct platform_device orion_spi = { |
528 | .name = "orion_spi", | 553 | .name = "orion_spi", |
529 | .id = 0, | 554 | .id = 0, |
530 | .dev = { | ||
531 | .platform_data = &orion_spi_plat_data, | ||
532 | }, | ||
533 | }; | 555 | }; |
534 | 556 | ||
535 | static struct orion_spi_info orion_spi_1_plat_data; | ||
536 | static struct resource orion_spi_1_resources; | 557 | static struct resource orion_spi_1_resources; |
537 | 558 | ||
538 | static struct platform_device orion_spi_1 = { | 559 | static struct platform_device orion_spi_1 = { |
539 | .name = "orion_spi", | 560 | .name = "orion_spi", |
540 | .id = 1, | 561 | .id = 1, |
541 | .dev = { | ||
542 | .platform_data = &orion_spi_1_plat_data, | ||
543 | }, | ||
544 | }; | 562 | }; |
545 | 563 | ||
546 | /* Note: The SPI silicon core does have interrupts. However the | 564 | /* Note: The SPI silicon core does have interrupts. However the |
547 | * current Linux software driver does not use interrupts. */ | 565 | * current Linux software driver does not use interrupts. */ |
548 | 566 | ||
549 | void __init orion_spi_init(unsigned long mapbase, | 567 | void __init orion_spi_init(unsigned long mapbase) |
550 | unsigned long tclk) | ||
551 | { | 568 | { |
552 | orion_spi_plat_data.tclk = tclk; | ||
553 | fill_resources(&orion_spi, &orion_spi_resources, | 569 | fill_resources(&orion_spi, &orion_spi_resources, |
554 | mapbase, SZ_512 - 1, NO_IRQ); | 570 | mapbase, SZ_512 - 1, NO_IRQ); |
555 | platform_device_register(&orion_spi); | 571 | platform_device_register(&orion_spi); |
556 | } | 572 | } |
557 | 573 | ||
558 | void __init orion_spi_1_init(unsigned long mapbase, | 574 | void __init orion_spi_1_init(unsigned long mapbase) |
559 | unsigned long tclk) | ||
560 | { | 575 | { |
561 | orion_spi_1_plat_data.tclk = tclk; | ||
562 | fill_resources(&orion_spi_1, &orion_spi_1_resources, | 576 | fill_resources(&orion_spi_1, &orion_spi_1_resources, |
563 | mapbase, SZ_512 - 1, NO_IRQ); | 577 | mapbase, SZ_512 - 1, NO_IRQ); |
564 | platform_device_register(&orion_spi_1); | 578 | platform_device_register(&orion_spi_1); |
@@ -567,24 +581,18 @@ void __init orion_spi_1_init(unsigned long mapbase, | |||
567 | /***************************************************************************** | 581 | /***************************************************************************** |
568 | * Watchdog | 582 | * Watchdog |
569 | ****************************************************************************/ | 583 | ****************************************************************************/ |
570 | static struct orion_wdt_platform_data orion_wdt_data; | ||
571 | |||
572 | static struct resource orion_wdt_resource = | 584 | static struct resource orion_wdt_resource = |
573 | DEFINE_RES_MEM(TIMER_VIRT_BASE, 0x28); | 585 | DEFINE_RES_MEM(TIMER_VIRT_BASE, 0x28); |
574 | 586 | ||
575 | static struct platform_device orion_wdt_device = { | 587 | static struct platform_device orion_wdt_device = { |
576 | .name = "orion_wdt", | 588 | .name = "orion_wdt", |
577 | .id = -1, | 589 | .id = -1, |
578 | .dev = { | ||
579 | .platform_data = &orion_wdt_data, | ||
580 | }, | ||
581 | .resource = &orion_wdt_resource, | ||
582 | .num_resources = 1, | 590 | .num_resources = 1, |
591 | .resource = &orion_wdt_resource, | ||
583 | }; | 592 | }; |
584 | 593 | ||
585 | void __init orion_wdt_init(unsigned long tclk) | 594 | void __init orion_wdt_init(void) |
586 | { | 595 | { |
587 | orion_wdt_data.tclk = tclk; | ||
588 | platform_device_register(&orion_wdt_device); | 596 | platform_device_register(&orion_wdt_device); |
589 | } | 597 | } |
590 | 598 | ||
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h index a7fa005a5a0e..e00fdb213609 100644 --- a/arch/arm/plat-orion/include/plat/common.h +++ b/arch/arm/plat-orion/include/plat/common.h | |||
@@ -16,22 +16,22 @@ struct dsa_platform_data; | |||
16 | void __init orion_uart0_init(unsigned int membase, | 16 | void __init orion_uart0_init(unsigned int membase, |
17 | resource_size_t mapbase, | 17 | resource_size_t mapbase, |
18 | unsigned int irq, | 18 | unsigned int irq, |
19 | unsigned int uartclk); | 19 | struct clk *clk); |
20 | 20 | ||
21 | void __init orion_uart1_init(unsigned int membase, | 21 | void __init orion_uart1_init(unsigned int membase, |
22 | resource_size_t mapbase, | 22 | resource_size_t mapbase, |
23 | unsigned int irq, | 23 | unsigned int irq, |
24 | unsigned int uartclk); | 24 | struct clk *clk); |
25 | 25 | ||
26 | void __init orion_uart2_init(unsigned int membase, | 26 | void __init orion_uart2_init(unsigned int membase, |
27 | resource_size_t mapbase, | 27 | resource_size_t mapbase, |
28 | unsigned int irq, | 28 | unsigned int irq, |
29 | unsigned int uartclk); | 29 | struct clk *clk); |
30 | 30 | ||
31 | void __init orion_uart3_init(unsigned int membase, | 31 | void __init orion_uart3_init(unsigned int membase, |
32 | resource_size_t mapbase, | 32 | resource_size_t mapbase, |
33 | unsigned int irq, | 33 | unsigned int irq, |
34 | unsigned int uartclk); | 34 | struct clk *clk); |
35 | 35 | ||
36 | void __init orion_rtc_init(unsigned long mapbase, | 36 | void __init orion_rtc_init(unsigned long mapbase, |
37 | unsigned long irq); | 37 | unsigned long irq); |
@@ -39,29 +39,26 @@ void __init orion_rtc_init(unsigned long mapbase, | |||
39 | void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data, | 39 | void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data, |
40 | unsigned long mapbase, | 40 | unsigned long mapbase, |
41 | unsigned long irq, | 41 | unsigned long irq, |
42 | unsigned long irq_err, | 42 | unsigned long irq_err); |
43 | int tclk); | ||
44 | 43 | ||
45 | void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data, | 44 | void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data, |
46 | unsigned long mapbase, | 45 | unsigned long mapbase, |
47 | unsigned long irq, | 46 | unsigned long irq, |
48 | unsigned long irq_err, | 47 | unsigned long irq_err); |
49 | int tclk); | ||
50 | 48 | ||
51 | void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data, | 49 | void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data, |
52 | unsigned long mapbase, | 50 | unsigned long mapbase, |
53 | unsigned long irq, | 51 | unsigned long irq, |
54 | unsigned long irq_err, | 52 | unsigned long irq_err); |
55 | int tclk); | ||
56 | 53 | ||
57 | void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data, | 54 | void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data, |
58 | unsigned long mapbase, | 55 | unsigned long mapbase, |
59 | unsigned long irq, | 56 | unsigned long irq, |
60 | unsigned long irq_err, | 57 | unsigned long irq_err); |
61 | int tclk); | ||
62 | 58 | ||
63 | void __init orion_ge00_switch_init(struct dsa_platform_data *d, | 59 | void __init orion_ge00_switch_init(struct dsa_platform_data *d, |
64 | int irq); | 60 | int irq); |
61 | |||
65 | void __init orion_i2c_init(unsigned long mapbase, | 62 | void __init orion_i2c_init(unsigned long mapbase, |
66 | unsigned long irq, | 63 | unsigned long irq, |
67 | unsigned long freq_m); | 64 | unsigned long freq_m); |
@@ -70,13 +67,11 @@ void __init orion_i2c_1_init(unsigned long mapbase, | |||
70 | unsigned long irq, | 67 | unsigned long irq, |
71 | unsigned long freq_m); | 68 | unsigned long freq_m); |
72 | 69 | ||
73 | void __init orion_spi_init(unsigned long mapbase, | 70 | void __init orion_spi_init(unsigned long mapbase); |
74 | unsigned long tclk); | ||
75 | 71 | ||
76 | void __init orion_spi_1_init(unsigned long mapbase, | 72 | void __init orion_spi_1_init(unsigned long mapbase); |
77 | unsigned long tclk); | ||
78 | 73 | ||
79 | void __init orion_wdt_init(unsigned long tclk); | 74 | void __init orion_wdt_init(void); |
80 | 75 | ||
81 | void __init orion_xor0_init(unsigned long mapbase_low, | 76 | void __init orion_xor0_init(unsigned long mapbase_low, |
82 | unsigned long mapbase_high, | 77 | unsigned long mapbase_high, |
@@ -106,4 +101,9 @@ void __init orion_crypto_init(unsigned long mapbase, | |||
106 | unsigned long srambase, | 101 | unsigned long srambase, |
107 | unsigned long sram_size, | 102 | unsigned long sram_size, |
108 | unsigned long irq); | 103 | unsigned long irq); |
104 | |||
105 | void __init orion_clkdev_add(const char *con_id, const char *dev_id, | ||
106 | struct clk *clk); | ||
107 | |||
108 | void __init orion_clkdev_init(struct clk *tclk); | ||
109 | #endif | 109 | #endif |
diff --git a/arch/arm/plat-orion/include/plat/orion_wdt.h b/arch/arm/plat-orion/include/plat/orion_wdt.h deleted file mode 100644 index 665c362a2fba..000000000000 --- a/arch/arm/plat-orion/include/plat/orion_wdt.h +++ /dev/null | |||
@@ -1,18 +0,0 @@ | |||
1 | /* | ||
2 | * arch/arm/plat-orion/include/plat/orion_wdt.h | ||
3 | * | ||
4 | * This file is licensed under the terms of the GNU General Public | ||
5 | * License version 2. This program is licensed "as is" without any | ||
6 | * warranty of any kind, whether express or implied. | ||
7 | */ | ||
8 | |||
9 | #ifndef __PLAT_ORION_WDT_H | ||
10 | #define __PLAT_ORION_WDT_H | ||
11 | |||
12 | struct orion_wdt_platform_data { | ||
13 | u32 tclk; /* no <linux/clk.h> support yet */ | ||
14 | }; | ||
15 | |||
16 | |||
17 | #endif | ||
18 | |||
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c index 86dbb5bdb172..f20a321088a2 100644 --- a/arch/arm/plat-orion/pcie.c +++ b/arch/arm/plat-orion/pcie.c | |||
@@ -52,12 +52,12 @@ | |||
52 | #define PCIE_DEBUG_SOFT_RESET (1<<20) | 52 | #define PCIE_DEBUG_SOFT_RESET (1<<20) |
53 | 53 | ||
54 | 54 | ||
55 | u32 __init orion_pcie_dev_id(void __iomem *base) | 55 | u32 orion_pcie_dev_id(void __iomem *base) |
56 | { | 56 | { |
57 | return readl(base + PCIE_DEV_ID_OFF) >> 16; | 57 | return readl(base + PCIE_DEV_ID_OFF) >> 16; |
58 | } | 58 | } |
59 | 59 | ||
60 | u32 __init orion_pcie_rev(void __iomem *base) | 60 | u32 orion_pcie_rev(void __iomem *base) |
61 | { | 61 | { |
62 | return readl(base + PCIE_DEV_REV_OFF) & 0xff; | 62 | return readl(base + PCIE_DEV_REV_OFF) & 0xff; |
63 | } | 63 | } |
diff --git a/arch/arm/plat-spear/Makefile b/arch/arm/plat-spear/Makefile index 7744802c83e7..38f1235f4632 100644 --- a/arch/arm/plat-spear/Makefile +++ b/arch/arm/plat-spear/Makefile | |||
@@ -3,6 +3,6 @@ | |||
3 | # | 3 | # |
4 | 4 | ||
5 | # Common support | 5 | # Common support |
6 | obj-y := clock.o restart.o time.o pl080.o | 6 | obj-y := restart.o time.o pl080.o |
7 | 7 | ||
8 | obj-$(CONFIG_ARCH_SPEAR3XX) += shirq.o | 8 | obj-$(CONFIG_ARCH_SPEAR3XX) += shirq.o |
diff --git a/arch/arm/plat-spear/clock.c b/arch/arm/plat-spear/clock.c deleted file mode 100644 index 67dd00381ea6..000000000000 --- a/arch/arm/plat-spear/clock.c +++ /dev/null | |||
@@ -1,1005 +0,0 @@ | |||
1 | /* | ||
2 | * arch/arm/plat-spear/clock.c | ||
3 | * | ||
4 | * Clock framework for SPEAr platform | ||
5 | * | ||
6 | * Copyright (C) 2009 ST Microelectronics | ||
7 | * Viresh Kumar<viresh.kumar@st.com> | ||
8 | * | ||
9 | * This file is licensed under the terms of the GNU General Public | ||
10 | * License version 2. This program is licensed "as is" without any | ||
11 | * warranty of any kind, whether express or implied. | ||
12 | */ | ||
13 | |||
14 | #include <linux/bug.h> | ||
15 | #include <linux/clk.h> | ||
16 | #include <linux/debugfs.h> | ||
17 | #include <linux/err.h> | ||
18 | #include <linux/io.h> | ||
19 | #include <linux/list.h> | ||
20 | #include <linux/module.h> | ||
21 | #include <linux/spinlock.h> | ||
22 | #include <plat/clock.h> | ||
23 | |||
24 | static DEFINE_SPINLOCK(clocks_lock); | ||
25 | static LIST_HEAD(root_clks); | ||
26 | #ifdef CONFIG_DEBUG_FS | ||
27 | static LIST_HEAD(clocks); | ||
28 | #endif | ||
29 | |||
30 | static void propagate_rate(struct clk *, int on_init); | ||
31 | #ifdef CONFIG_DEBUG_FS | ||
32 | static int clk_debugfs_reparent(struct clk *); | ||
33 | #endif | ||
34 | |||
35 | static int generic_clk_enable(struct clk *clk) | ||
36 | { | ||
37 | unsigned int val; | ||
38 | |||
39 | if (!clk->en_reg) | ||
40 | return -EFAULT; | ||
41 | |||
42 | val = readl(clk->en_reg); | ||
43 | if (unlikely(clk->flags & RESET_TO_ENABLE)) | ||
44 | val &= ~(1 << clk->en_reg_bit); | ||
45 | else | ||
46 | val |= 1 << clk->en_reg_bit; | ||
47 | |||
48 | writel(val, clk->en_reg); | ||
49 | |||
50 | return 0; | ||
51 | } | ||
52 | |||
53 | static void generic_clk_disable(struct clk *clk) | ||
54 | { | ||
55 | unsigned int val; | ||
56 | |||
57 | if (!clk->en_reg) | ||
58 | return; | ||
59 | |||
60 | val = readl(clk->en_reg); | ||
61 | if (unlikely(clk->flags & RESET_TO_ENABLE)) | ||
62 | val |= 1 << clk->en_reg_bit; | ||
63 | else | ||
64 | val &= ~(1 << clk->en_reg_bit); | ||
65 | |||
66 | writel(val, clk->en_reg); | ||
67 | } | ||
68 | |||
69 | /* generic clk ops */ | ||
70 | static struct clkops generic_clkops = { | ||
71 | .enable = generic_clk_enable, | ||
72 | .disable = generic_clk_disable, | ||
73 | }; | ||
74 | |||
75 | /* returns current programmed clocks clock info structure */ | ||
76 | static struct pclk_info *pclk_info_get(struct clk *clk) | ||
77 | { | ||
78 | unsigned int val, i; | ||
79 | struct pclk_info *info = NULL; | ||
80 | |||
81 | val = (readl(clk->pclk_sel->pclk_sel_reg) >> clk->pclk_sel_shift) | ||
82 | & clk->pclk_sel->pclk_sel_mask; | ||
83 | |||
84 | for (i = 0; i < clk->pclk_sel->pclk_count; i++) { | ||
85 | if (clk->pclk_sel->pclk_info[i].pclk_val == val) | ||
86 | info = &clk->pclk_sel->pclk_info[i]; | ||
87 | } | ||
88 | |||
89 | return info; | ||
90 | } | ||
91 | |||
92 | /* | ||
93 | * Set Update pclk, and pclk_info of clk and add clock sibling node to current | ||
94 | * parents children list | ||
95 | */ | ||
96 | static void clk_reparent(struct clk *clk, struct pclk_info *pclk_info) | ||
97 | { | ||
98 | unsigned long flags; | ||
99 | |||
100 | spin_lock_irqsave(&clocks_lock, flags); | ||
101 | list_del(&clk->sibling); | ||
102 | list_add(&clk->sibling, &pclk_info->pclk->children); | ||
103 | |||
104 | clk->pclk = pclk_info->pclk; | ||
105 | spin_unlock_irqrestore(&clocks_lock, flags); | ||
106 | |||
107 | #ifdef CONFIG_DEBUG_FS | ||
108 | clk_debugfs_reparent(clk); | ||
109 | #endif | ||
110 | } | ||
111 | |||
112 | static void do_clk_disable(struct clk *clk) | ||
113 | { | ||
114 | if (!clk) | ||
115 | return; | ||
116 | |||
117 | if (!clk->usage_count) { | ||
118 | WARN_ON(1); | ||
119 | return; | ||
120 | } | ||
121 | |||
122 | clk->usage_count--; | ||
123 | |||
124 | if (clk->usage_count == 0) { | ||
125 | /* | ||
126 | * Surely, there are no active childrens or direct users | ||
127 | * of this clock | ||
128 | */ | ||
129 | if (clk->pclk) | ||
130 | do_clk_disable(clk->pclk); | ||
131 | |||
132 | if (clk->ops && clk->ops->disable) | ||
133 | clk->ops->disable(clk); | ||
134 | } | ||
135 | } | ||
136 | |||
137 | static int do_clk_enable(struct clk *clk) | ||
138 | { | ||
139 | int ret = 0; | ||
140 | |||
141 | if (!clk) | ||
142 | return -EFAULT; | ||
143 | |||
144 | if (clk->usage_count == 0) { | ||
145 | if (clk->pclk) { | ||
146 | ret = do_clk_enable(clk->pclk); | ||
147 | if (ret) | ||
148 | goto err; | ||
149 | } | ||
150 | if (clk->ops && clk->ops->enable) { | ||
151 | ret = clk->ops->enable(clk); | ||
152 | if (ret) { | ||
153 | if (clk->pclk) | ||
154 | do_clk_disable(clk->pclk); | ||
155 | goto err; | ||
156 | } | ||
157 | } | ||
158 | /* | ||
159 | * Since the clock is going to be used for the first | ||
160 | * time please reclac | ||
161 | */ | ||
162 | if (clk->recalc) { | ||
163 | ret = clk->recalc(clk); | ||
164 | if (ret) | ||
165 | goto err; | ||
166 | } | ||
167 | } | ||
168 | clk->usage_count++; | ||
169 | err: | ||
170 | return ret; | ||
171 | } | ||
172 | |||
173 | /* | ||
174 | * clk_enable - inform the system when the clock source should be running. | ||
175 | * @clk: clock source | ||
176 | * | ||
177 | * If the clock can not be enabled/disabled, this should return success. | ||
178 | * | ||
179 | * Returns success (0) or negative errno. | ||
180 | */ | ||
181 | int clk_enable(struct clk *clk) | ||
182 | { | ||
183 | unsigned long flags; | ||
184 | int ret = 0; | ||
185 | |||
186 | spin_lock_irqsave(&clocks_lock, flags); | ||
187 | ret = do_clk_enable(clk); | ||
188 | spin_unlock_irqrestore(&clocks_lock, flags); | ||
189 | return ret; | ||
190 | } | ||
191 | EXPORT_SYMBOL(clk_enable); | ||
192 | |||
193 | /* | ||
194 | * clk_disable - inform the system when the clock source is no longer required. | ||
195 | * @clk: clock source | ||
196 | * | ||
197 | * Inform the system that a clock source is no longer required by | ||
198 | * a driver and may be shut down. | ||
199 | * | ||
200 | * Implementation detail: if the clock source is shared between | ||
201 | * multiple drivers, clk_enable() calls must be balanced by the | ||
202 | * same number of clk_disable() calls for the clock source to be | ||
203 | * disabled. | ||
204 | */ | ||
205 | void clk_disable(struct clk *clk) | ||
206 | { | ||
207 | unsigned long flags; | ||
208 | |||
209 | spin_lock_irqsave(&clocks_lock, flags); | ||
210 | do_clk_disable(clk); | ||
211 | spin_unlock_irqrestore(&clocks_lock, flags); | ||
212 | } | ||
213 | EXPORT_SYMBOL(clk_disable); | ||
214 | |||
215 | /** | ||
216 | * clk_get_rate - obtain the current clock rate (in Hz) for a clock source. | ||
217 | * This is only valid once the clock source has been enabled. | ||
218 | * @clk: clock source | ||
219 | */ | ||
220 | unsigned long clk_get_rate(struct clk *clk) | ||
221 | { | ||
222 | unsigned long flags, rate; | ||
223 | |||
224 | spin_lock_irqsave(&clocks_lock, flags); | ||
225 | rate = clk->rate; | ||
226 | spin_unlock_irqrestore(&clocks_lock, flags); | ||
227 | |||
228 | return rate; | ||
229 | } | ||
230 | EXPORT_SYMBOL(clk_get_rate); | ||
231 | |||
232 | /** | ||
233 | * clk_set_parent - set the parent clock source for this clock | ||
234 | * @clk: clock source | ||
235 | * @parent: parent clock source | ||
236 | * | ||
237 | * Returns success (0) or negative errno. | ||
238 | */ | ||
239 | int clk_set_parent(struct clk *clk, struct clk *parent) | ||
240 | { | ||
241 | int i, found = 0, val = 0; | ||
242 | unsigned long flags; | ||
243 | |||
244 | if (!clk || !parent) | ||
245 | return -EFAULT; | ||
246 | if (clk->pclk == parent) | ||
247 | return 0; | ||
248 | if (!clk->pclk_sel) | ||
249 | return -EPERM; | ||
250 | |||
251 | /* check if requested parent is in clk parent list */ | ||
252 | for (i = 0; i < clk->pclk_sel->pclk_count; i++) { | ||
253 | if (clk->pclk_sel->pclk_info[i].pclk == parent) { | ||
254 | found = 1; | ||
255 | break; | ||
256 | } | ||
257 | } | ||
258 | |||
259 | if (!found) | ||
260 | return -EINVAL; | ||
261 | |||
262 | spin_lock_irqsave(&clocks_lock, flags); | ||
263 | /* reflect parent change in hardware */ | ||
264 | val = readl(clk->pclk_sel->pclk_sel_reg); | ||
265 | val &= ~(clk->pclk_sel->pclk_sel_mask << clk->pclk_sel_shift); | ||
266 | val |= clk->pclk_sel->pclk_info[i].pclk_val << clk->pclk_sel_shift; | ||
267 | writel(val, clk->pclk_sel->pclk_sel_reg); | ||
268 | spin_unlock_irqrestore(&clocks_lock, flags); | ||
269 | |||
270 | /* reflect parent change in software */ | ||
271 | clk_reparent(clk, &clk->pclk_sel->pclk_info[i]); | ||
272 | |||
273 | propagate_rate(clk, 0); | ||
274 | return 0; | ||
275 | } | ||
276 | EXPORT_SYMBOL(clk_set_parent); | ||
277 | |||
278 | /** | ||
279 | * clk_set_rate - set the clock rate for a clock source | ||
280 | * @clk: clock source | ||
281 | * @rate: desired clock rate in Hz | ||
282 | * | ||
283 | * Returns success (0) or negative errno. | ||
284 | */ | ||
285 | int clk_set_rate(struct clk *clk, unsigned long rate) | ||
286 | { | ||
287 | unsigned long flags; | ||
288 | int ret = -EINVAL; | ||
289 | |||
290 | if (!clk || !rate) | ||
291 | return -EFAULT; | ||
292 | |||
293 | if (clk->set_rate) { | ||
294 | spin_lock_irqsave(&clocks_lock, flags); | ||
295 | ret = clk->set_rate(clk, rate); | ||
296 | if (!ret) | ||
297 | /* if successful -> propagate */ | ||
298 | propagate_rate(clk, 0); | ||
299 | spin_unlock_irqrestore(&clocks_lock, flags); | ||
300 | } else if (clk->pclk) { | ||
301 | u32 mult = clk->div_factor ? clk->div_factor : 1; | ||
302 | ret = clk_set_rate(clk->pclk, mult * rate); | ||
303 | } | ||
304 | |||
305 | return ret; | ||
306 | } | ||
307 | EXPORT_SYMBOL(clk_set_rate); | ||
308 | |||
309 | /* registers clock in platform clock framework */ | ||
310 | void clk_register(struct clk_lookup *cl) | ||
311 | { | ||
312 | struct clk *clk; | ||
313 | unsigned long flags; | ||
314 | |||
315 | if (!cl || !cl->clk) | ||
316 | return; | ||
317 | clk = cl->clk; | ||
318 | |||
319 | spin_lock_irqsave(&clocks_lock, flags); | ||
320 | |||
321 | INIT_LIST_HEAD(&clk->children); | ||
322 | if (clk->flags & ALWAYS_ENABLED) | ||
323 | clk->ops = NULL; | ||
324 | else if (!clk->ops) | ||
325 | clk->ops = &generic_clkops; | ||
326 | |||
327 | /* root clock don't have any parents */ | ||
328 | if (!clk->pclk && !clk->pclk_sel) { | ||
329 | list_add(&clk->sibling, &root_clks); | ||
330 | } else if (clk->pclk && !clk->pclk_sel) { | ||
331 | /* add clocks with only one parent to parent's children list */ | ||
332 | list_add(&clk->sibling, &clk->pclk->children); | ||
333 | } else { | ||
334 | /* clocks with more than one parent */ | ||
335 | struct pclk_info *pclk_info; | ||
336 | |||
337 | pclk_info = pclk_info_get(clk); | ||
338 | if (!pclk_info) { | ||
339 | pr_err("CLKDEV: invalid pclk info of clk with" | ||
340 | " %s dev_id and %s con_id\n", | ||
341 | cl->dev_id, cl->con_id); | ||
342 | } else { | ||
343 | clk->pclk = pclk_info->pclk; | ||
344 | list_add(&clk->sibling, &pclk_info->pclk->children); | ||
345 | } | ||
346 | } | ||
347 | |||
348 | spin_unlock_irqrestore(&clocks_lock, flags); | ||
349 | |||
350 | /* debugfs specific */ | ||
351 | #ifdef CONFIG_DEBUG_FS | ||
352 | list_add(&clk->node, &clocks); | ||
353 | clk->cl = cl; | ||
354 | #endif | ||
355 | |||
356 | /* add clock to arm clockdev framework */ | ||
357 | clkdev_add(cl); | ||
358 | } | ||
359 | |||
360 | /** | ||
361 | * propagate_rate - recalculate and propagate all clocks to children | ||
362 | * @pclk: parent clock required to be propogated | ||
363 | * @on_init: flag for enabling clocks which are ENABLED_ON_INIT. | ||
364 | * | ||
365 | * Recalculates all children clocks | ||
366 | */ | ||
367 | void propagate_rate(struct clk *pclk, int on_init) | ||
368 | { | ||
369 | struct clk *clk, *_temp; | ||
370 | int ret = 0; | ||
371 | |||
372 | list_for_each_entry_safe(clk, _temp, &pclk->children, sibling) { | ||
373 | if (clk->recalc) { | ||
374 | ret = clk->recalc(clk); | ||
375 | /* | ||
376 | * recalc will return error if clk out is not programmed | ||
377 | * In this case configure default rate. | ||
378 | */ | ||
379 | if (ret && clk->set_rate) | ||
380 | clk->set_rate(clk, 0); | ||
381 | } | ||
382 | propagate_rate(clk, on_init); | ||
383 | |||
384 | if (!on_init) | ||
385 | continue; | ||
386 | |||
387 | /* Enable clks enabled on init, in software view */ | ||
388 | if (clk->flags & ENABLED_ON_INIT) | ||
389 | do_clk_enable(clk); | ||
390 | } | ||
391 | } | ||
392 | |||
393 | /** | ||
394 | * round_rate_index - return closest programmable rate index in rate_config tbl | ||
395 | * @clk: ptr to clock structure | ||
396 | * @drate: desired rate | ||
397 | * @rate: final rate will be returned in this variable only. | ||
398 | * | ||
399 | * Finds index in rate_config for highest clk rate which is less than | ||
400 | * requested rate. If there is no clk rate lesser than requested rate then | ||
401 | * -EINVAL is returned. This routine assumes that rate_config is written | ||
402 | * in incrementing order of clk rates. | ||
403 | * If drate passed is zero then default rate is programmed. | ||
404 | */ | ||
405 | static int | ||
406 | round_rate_index(struct clk *clk, unsigned long drate, unsigned long *rate) | ||
407 | { | ||
408 | unsigned long tmp = 0, prev_rate = 0; | ||
409 | int index; | ||
410 | |||
411 | if (!clk->calc_rate) | ||
412 | return -EFAULT; | ||
413 | |||
414 | if (!drate) | ||
415 | return -EINVAL; | ||
416 | |||
417 | /* | ||
418 | * This loops ends on two conditions: | ||
419 | * - as soon as clk is found with rate greater than requested rate. | ||
420 | * - if all clks in rate_config are smaller than requested rate. | ||
421 | */ | ||
422 | for (index = 0; index < clk->rate_config.count; index++) { | ||
423 | prev_rate = tmp; | ||
424 | tmp = clk->calc_rate(clk, index); | ||
425 | if (drate < tmp) { | ||
426 | index--; | ||
427 | break; | ||
428 | } | ||
429 | } | ||
430 | /* return if can't find suitable clock */ | ||
431 | if (index < 0) { | ||
432 | index = -EINVAL; | ||
433 | *rate = 0; | ||
434 | } else if (index == clk->rate_config.count) { | ||
435 | /* program with highest clk rate possible */ | ||
436 | index = clk->rate_config.count - 1; | ||
437 | *rate = tmp; | ||
438 | } else | ||
439 | *rate = prev_rate; | ||
440 | |||
441 | return index; | ||
442 | } | ||
443 | |||
444 | /** | ||
445 | * clk_round_rate - adjust a rate to the exact rate a clock can provide | ||
446 | * @clk: clock source | ||
447 | * @rate: desired clock rate in Hz | ||
448 | * | ||
449 | * Returns rounded clock rate in Hz, or negative errno. | ||
450 | */ | ||
451 | long clk_round_rate(struct clk *clk, unsigned long drate) | ||
452 | { | ||
453 | long rate = 0; | ||
454 | int index; | ||
455 | |||
456 | /* | ||
457 | * propagate call to parent who supports calc_rate. Similar approach is | ||
458 | * used in clk_set_rate. | ||
459 | */ | ||
460 | if (!clk->calc_rate) { | ||
461 | u32 mult; | ||
462 | if (!clk->pclk) | ||
463 | return clk->rate; | ||
464 | |||
465 | mult = clk->div_factor ? clk->div_factor : 1; | ||
466 | return clk_round_rate(clk->pclk, mult * drate) / mult; | ||
467 | } | ||
468 | |||
469 | index = round_rate_index(clk, drate, &rate); | ||
470 | if (index >= 0) | ||
471 | return rate; | ||
472 | else | ||
473 | return index; | ||
474 | } | ||
475 | EXPORT_SYMBOL(clk_round_rate); | ||
476 | |||
477 | /*All below functions are called with lock held */ | ||
478 | |||
479 | /* | ||
480 | * Calculates pll clk rate for specific value of mode, m, n and p | ||
481 | * | ||
482 | * In normal mode | ||
483 | * rate = (2 * M[15:8] * Fin)/(N * 2^P) | ||
484 | * | ||
485 | * In Dithered mode | ||
486 | * rate = (2 * M[15:0] * Fin)/(256 * N * 2^P) | ||
487 | */ | ||
488 | unsigned long pll_calc_rate(struct clk *clk, int index) | ||
489 | { | ||
490 | unsigned long rate = clk->pclk->rate; | ||
491 | struct pll_rate_tbl *tbls = clk->rate_config.tbls; | ||
492 | unsigned int mode; | ||
493 | |||
494 | mode = tbls[index].mode ? 256 : 1; | ||
495 | return (((2 * rate / 10000) * tbls[index].m) / | ||
496 | (mode * tbls[index].n * (1 << tbls[index].p))) * 10000; | ||
497 | } | ||
498 | |||
499 | /* | ||
500 | * calculates current programmed rate of pll1 | ||
501 | * | ||
502 | * In normal mode | ||
503 | * rate = (2 * M[15:8] * Fin)/(N * 2^P) | ||
504 | * | ||
505 | * In Dithered mode | ||
506 | * rate = (2 * M[15:0] * Fin)/(256 * N * 2^P) | ||
507 | */ | ||
508 | int pll_clk_recalc(struct clk *clk) | ||
509 | { | ||
510 | struct pll_clk_config *config = clk->private_data; | ||
511 | unsigned int num = 2, den = 0, val, mode = 0; | ||
512 | |||
513 | mode = (readl(config->mode_reg) >> config->masks->mode_shift) & | ||
514 | config->masks->mode_mask; | ||
515 | |||
516 | val = readl(config->cfg_reg); | ||
517 | /* calculate denominator */ | ||
518 | den = (val >> config->masks->div_p_shift) & config->masks->div_p_mask; | ||
519 | den = 1 << den; | ||
520 | den *= (val >> config->masks->div_n_shift) & config->masks->div_n_mask; | ||
521 | |||
522 | /* calculate numerator & denominator */ | ||
523 | if (!mode) { | ||
524 | /* Normal mode */ | ||
525 | num *= (val >> config->masks->norm_fdbk_m_shift) & | ||
526 | config->masks->norm_fdbk_m_mask; | ||
527 | } else { | ||
528 | /* Dithered mode */ | ||
529 | num *= (val >> config->masks->dith_fdbk_m_shift) & | ||
530 | config->masks->dith_fdbk_m_mask; | ||
531 | den *= 256; | ||
532 | } | ||
533 | |||
534 | if (!den) | ||
535 | return -EINVAL; | ||
536 | |||
537 | clk->rate = (((clk->pclk->rate/10000) * num) / den) * 10000; | ||
538 | return 0; | ||
539 | } | ||
540 | |||
541 | /* | ||
542 | * Configures new clock rate of pll | ||
543 | */ | ||
544 | int pll_clk_set_rate(struct clk *clk, unsigned long desired_rate) | ||
545 | { | ||
546 | struct pll_rate_tbl *tbls = clk->rate_config.tbls; | ||
547 | struct pll_clk_config *config = clk->private_data; | ||
548 | unsigned long val, rate; | ||
549 | int i; | ||
550 | |||
551 | i = round_rate_index(clk, desired_rate, &rate); | ||
552 | if (i < 0) | ||
553 | return i; | ||
554 | |||
555 | val = readl(config->mode_reg) & | ||
556 | ~(config->masks->mode_mask << config->masks->mode_shift); | ||
557 | val |= (tbls[i].mode & config->masks->mode_mask) << | ||
558 | config->masks->mode_shift; | ||
559 | writel(val, config->mode_reg); | ||
560 | |||
561 | val = readl(config->cfg_reg) & | ||
562 | ~(config->masks->div_p_mask << config->masks->div_p_shift); | ||
563 | val |= (tbls[i].p & config->masks->div_p_mask) << | ||
564 | config->masks->div_p_shift; | ||
565 | val &= ~(config->masks->div_n_mask << config->masks->div_n_shift); | ||
566 | val |= (tbls[i].n & config->masks->div_n_mask) << | ||
567 | config->masks->div_n_shift; | ||
568 | val &= ~(config->masks->dith_fdbk_m_mask << | ||
569 | config->masks->dith_fdbk_m_shift); | ||
570 | if (tbls[i].mode) | ||
571 | val |= (tbls[i].m & config->masks->dith_fdbk_m_mask) << | ||
572 | config->masks->dith_fdbk_m_shift; | ||
573 | else | ||
574 | val |= (tbls[i].m & config->masks->norm_fdbk_m_mask) << | ||
575 | config->masks->norm_fdbk_m_shift; | ||
576 | |||
577 | writel(val, config->cfg_reg); | ||
578 | |||
579 | clk->rate = rate; | ||
580 | |||
581 | return 0; | ||
582 | } | ||
583 | |||
584 | /* | ||
585 | * Calculates ahb, apb clk rate for specific value of div | ||
586 | */ | ||
587 | unsigned long bus_calc_rate(struct clk *clk, int index) | ||
588 | { | ||
589 | unsigned long rate = clk->pclk->rate; | ||
590 | struct bus_rate_tbl *tbls = clk->rate_config.tbls; | ||
591 | |||
592 | return rate / (tbls[index].div + 1); | ||
593 | } | ||
594 | |||
595 | /* calculates current programmed rate of ahb or apb bus */ | ||
596 | int bus_clk_recalc(struct clk *clk) | ||
597 | { | ||
598 | struct bus_clk_config *config = clk->private_data; | ||
599 | unsigned int div; | ||
600 | |||
601 | div = ((readl(config->reg) >> config->masks->shift) & | ||
602 | config->masks->mask) + 1; | ||
603 | |||
604 | if (!div) | ||
605 | return -EINVAL; | ||
606 | |||
607 | clk->rate = (unsigned long)clk->pclk->rate / div; | ||
608 | return 0; | ||
609 | } | ||
610 | |||
611 | /* Configures new clock rate of AHB OR APB bus */ | ||
612 | int bus_clk_set_rate(struct clk *clk, unsigned long desired_rate) | ||
613 | { | ||
614 | struct bus_rate_tbl *tbls = clk->rate_config.tbls; | ||
615 | struct bus_clk_config *config = clk->private_data; | ||
616 | unsigned long val, rate; | ||
617 | int i; | ||
618 | |||
619 | i = round_rate_index(clk, desired_rate, &rate); | ||
620 | if (i < 0) | ||
621 | return i; | ||
622 | |||
623 | val = readl(config->reg) & | ||
624 | ~(config->masks->mask << config->masks->shift); | ||
625 | val |= (tbls[i].div & config->masks->mask) << config->masks->shift; | ||
626 | writel(val, config->reg); | ||
627 | |||
628 | clk->rate = rate; | ||
629 | |||
630 | return 0; | ||
631 | } | ||
632 | |||
633 | /* | ||
634 | * gives rate for different values of eq, x and y | ||
635 | * | ||
636 | * Fout from synthesizer can be given from two equations: | ||
637 | * Fout1 = (Fin * X/Y)/2 EQ1 | ||
638 | * Fout2 = Fin * X/Y EQ2 | ||
639 | */ | ||
640 | unsigned long aux_calc_rate(struct clk *clk, int index) | ||
641 | { | ||
642 | unsigned long rate = clk->pclk->rate; | ||
643 | struct aux_rate_tbl *tbls = clk->rate_config.tbls; | ||
644 | u8 eq = tbls[index].eq ? 1 : 2; | ||
645 | |||
646 | return (((rate/10000) * tbls[index].xscale) / | ||
647 | (tbls[index].yscale * eq)) * 10000; | ||
648 | } | ||
649 | |||
650 | /* | ||
651 | * calculates current programmed rate of auxiliary synthesizers | ||
652 | * used by: UART, FIRDA | ||
653 | * | ||
654 | * Fout from synthesizer can be given from two equations: | ||
655 | * Fout1 = (Fin * X/Y)/2 | ||
656 | * Fout2 = Fin * X/Y | ||
657 | * | ||
658 | * Selection of eqn 1 or 2 is programmed in register | ||
659 | */ | ||
660 | int aux_clk_recalc(struct clk *clk) | ||
661 | { | ||
662 | struct aux_clk_config *config = clk->private_data; | ||
663 | unsigned int num = 1, den = 1, val, eqn; | ||
664 | |||
665 | val = readl(config->synth_reg); | ||
666 | |||
667 | eqn = (val >> config->masks->eq_sel_shift) & | ||
668 | config->masks->eq_sel_mask; | ||
669 | if (eqn == config->masks->eq1_mask) | ||
670 | den *= 2; | ||
671 | |||
672 | /* calculate numerator */ | ||
673 | num = (val >> config->masks->xscale_sel_shift) & | ||
674 | config->masks->xscale_sel_mask; | ||
675 | |||
676 | /* calculate denominator */ | ||
677 | den *= (val >> config->masks->yscale_sel_shift) & | ||
678 | config->masks->yscale_sel_mask; | ||
679 | |||
680 | if (!den) | ||
681 | return -EINVAL; | ||
682 | |||
683 | clk->rate = (((clk->pclk->rate/10000) * num) / den) * 10000; | ||
684 | return 0; | ||
685 | } | ||
686 | |||
687 | /* Configures new clock rate of auxiliary synthesizers used by: UART, FIRDA*/ | ||
688 | int aux_clk_set_rate(struct clk *clk, unsigned long desired_rate) | ||
689 | { | ||
690 | struct aux_rate_tbl *tbls = clk->rate_config.tbls; | ||
691 | struct aux_clk_config *config = clk->private_data; | ||
692 | unsigned long val, rate; | ||
693 | int i; | ||
694 | |||
695 | i = round_rate_index(clk, desired_rate, &rate); | ||
696 | if (i < 0) | ||
697 | return i; | ||
698 | |||
699 | val = readl(config->synth_reg) & | ||
700 | ~(config->masks->eq_sel_mask << config->masks->eq_sel_shift); | ||
701 | val |= (tbls[i].eq & config->masks->eq_sel_mask) << | ||
702 | config->masks->eq_sel_shift; | ||
703 | val &= ~(config->masks->xscale_sel_mask << | ||
704 | config->masks->xscale_sel_shift); | ||
705 | val |= (tbls[i].xscale & config->masks->xscale_sel_mask) << | ||
706 | config->masks->xscale_sel_shift; | ||
707 | val &= ~(config->masks->yscale_sel_mask << | ||
708 | config->masks->yscale_sel_shift); | ||
709 | val |= (tbls[i].yscale & config->masks->yscale_sel_mask) << | ||
710 | config->masks->yscale_sel_shift; | ||
711 | writel(val, config->synth_reg); | ||
712 | |||
713 | clk->rate = rate; | ||
714 | |||
715 | return 0; | ||
716 | } | ||
717 | |||
718 | /* | ||
719 | * Calculates gpt clk rate for different values of mscale and nscale | ||
720 | * | ||
721 | * Fout= Fin/((2 ^ (N+1)) * (M+1)) | ||
722 | */ | ||
723 | unsigned long gpt_calc_rate(struct clk *clk, int index) | ||
724 | { | ||
725 | unsigned long rate = clk->pclk->rate; | ||
726 | struct gpt_rate_tbl *tbls = clk->rate_config.tbls; | ||
727 | |||
728 | return rate / ((1 << (tbls[index].nscale + 1)) * | ||
729 | (tbls[index].mscale + 1)); | ||
730 | } | ||
731 | |||
732 | /* | ||
733 | * calculates current programmed rate of gpt synthesizers | ||
734 | * Fout from synthesizer can be given from below equations: | ||
735 | * Fout= Fin/((2 ^ (N+1)) * (M+1)) | ||
736 | */ | ||
737 | int gpt_clk_recalc(struct clk *clk) | ||
738 | { | ||
739 | struct gpt_clk_config *config = clk->private_data; | ||
740 | unsigned int div = 1, val; | ||
741 | |||
742 | val = readl(config->synth_reg); | ||
743 | div += (val >> config->masks->mscale_sel_shift) & | ||
744 | config->masks->mscale_sel_mask; | ||
745 | div *= 1 << (((val >> config->masks->nscale_sel_shift) & | ||
746 | config->masks->nscale_sel_mask) + 1); | ||
747 | |||
748 | if (!div) | ||
749 | return -EINVAL; | ||
750 | |||
751 | clk->rate = (unsigned long)clk->pclk->rate / div; | ||
752 | return 0; | ||
753 | } | ||
754 | |||
755 | /* Configures new clock rate of gptiliary synthesizers used by: UART, FIRDA*/ | ||
756 | int gpt_clk_set_rate(struct clk *clk, unsigned long desired_rate) | ||
757 | { | ||
758 | struct gpt_rate_tbl *tbls = clk->rate_config.tbls; | ||
759 | struct gpt_clk_config *config = clk->private_data; | ||
760 | unsigned long val, rate; | ||
761 | int i; | ||
762 | |||
763 | i = round_rate_index(clk, desired_rate, &rate); | ||
764 | if (i < 0) | ||
765 | return i; | ||
766 | |||
767 | val = readl(config->synth_reg) & ~(config->masks->mscale_sel_mask << | ||
768 | config->masks->mscale_sel_shift); | ||
769 | val |= (tbls[i].mscale & config->masks->mscale_sel_mask) << | ||
770 | config->masks->mscale_sel_shift; | ||
771 | val &= ~(config->masks->nscale_sel_mask << | ||
772 | config->masks->nscale_sel_shift); | ||
773 | val |= (tbls[i].nscale & config->masks->nscale_sel_mask) << | ||
774 | config->masks->nscale_sel_shift; | ||
775 | writel(val, config->synth_reg); | ||
776 | |||
777 | clk->rate = rate; | ||
778 | |||
779 | return 0; | ||
780 | } | ||
781 | |||
782 | /* | ||
783 | * Calculates clcd clk rate for different values of div | ||
784 | * | ||
785 | * Fout from synthesizer can be given from below equation: | ||
786 | * Fout= Fin/2*div (division factor) | ||
787 | * div is 17 bits:- | ||
788 | * 0-13 (fractional part) | ||
789 | * 14-16 (integer part) | ||
790 | * To calculate Fout we left shift val by 14 bits and divide Fin by | ||
791 | * complete div (including fractional part) and then right shift the | ||
792 | * result by 14 places. | ||
793 | */ | ||
794 | unsigned long clcd_calc_rate(struct clk *clk, int index) | ||
795 | { | ||
796 | unsigned long rate = clk->pclk->rate; | ||
797 | struct clcd_rate_tbl *tbls = clk->rate_config.tbls; | ||
798 | |||
799 | rate /= 1000; | ||
800 | rate <<= 12; | ||
801 | rate /= (2 * tbls[index].div); | ||
802 | rate >>= 12; | ||
803 | rate *= 1000; | ||
804 | |||
805 | return rate; | ||
806 | } | ||
807 | |||
808 | /* | ||
809 | * calculates current programmed rate of clcd synthesizer | ||
810 | * Fout from synthesizer can be given from below equation: | ||
811 | * Fout= Fin/2*div (division factor) | ||
812 | * div is 17 bits:- | ||
813 | * 0-13 (fractional part) | ||
814 | * 14-16 (integer part) | ||
815 | * To calculate Fout we left shift val by 14 bits and divide Fin by | ||
816 | * complete div (including fractional part) and then right shift the | ||
817 | * result by 14 places. | ||
818 | */ | ||
819 | int clcd_clk_recalc(struct clk *clk) | ||
820 | { | ||
821 | struct clcd_clk_config *config = clk->private_data; | ||
822 | unsigned int div = 1; | ||
823 | unsigned long prate; | ||
824 | unsigned int val; | ||
825 | |||
826 | val = readl(config->synth_reg); | ||
827 | div = (val >> config->masks->div_factor_shift) & | ||
828 | config->masks->div_factor_mask; | ||
829 | |||
830 | if (!div) | ||
831 | return -EINVAL; | ||
832 | |||
833 | prate = clk->pclk->rate / 1000; /* first level division, make it KHz */ | ||
834 | |||
835 | clk->rate = (((unsigned long)prate << 12) / (2 * div)) >> 12; | ||
836 | clk->rate *= 1000; | ||
837 | return 0; | ||
838 | } | ||
839 | |||
840 | /* Configures new clock rate of auxiliary synthesizers used by: UART, FIRDA*/ | ||
841 | int clcd_clk_set_rate(struct clk *clk, unsigned long desired_rate) | ||
842 | { | ||
843 | struct clcd_rate_tbl *tbls = clk->rate_config.tbls; | ||
844 | struct clcd_clk_config *config = clk->private_data; | ||
845 | unsigned long val, rate; | ||
846 | int i; | ||
847 | |||
848 | i = round_rate_index(clk, desired_rate, &rate); | ||
849 | if (i < 0) | ||
850 | return i; | ||
851 | |||
852 | val = readl(config->synth_reg) & ~(config->masks->div_factor_mask << | ||
853 | config->masks->div_factor_shift); | ||
854 | val |= (tbls[i].div & config->masks->div_factor_mask) << | ||
855 | config->masks->div_factor_shift; | ||
856 | writel(val, config->synth_reg); | ||
857 | |||
858 | clk->rate = rate; | ||
859 | |||
860 | return 0; | ||
861 | } | ||
862 | |||
863 | /* | ||
864 | * Used for clocks that always have value as the parent clock divided by a | ||
865 | * fixed divisor | ||
866 | */ | ||
867 | int follow_parent(struct clk *clk) | ||
868 | { | ||
869 | unsigned int div_factor = (clk->div_factor < 1) ? 1 : clk->div_factor; | ||
870 | |||
871 | clk->rate = clk->pclk->rate/div_factor; | ||
872 | return 0; | ||
873 | } | ||
874 | |||
875 | /** | ||
876 | * recalc_root_clocks - recalculate and propagate all root clocks | ||
877 | * | ||
878 | * Recalculates all root clocks (clocks with no parent), which if the | ||
879 | * clock's .recalc is set correctly, should also propagate their rates. | ||
880 | */ | ||
881 | void recalc_root_clocks(void) | ||
882 | { | ||
883 | struct clk *pclk; | ||
884 | unsigned long flags; | ||
885 | int ret = 0; | ||
886 | |||
887 | spin_lock_irqsave(&clocks_lock, flags); | ||
888 | list_for_each_entry(pclk, &root_clks, sibling) { | ||
889 | if (pclk->recalc) { | ||
890 | ret = pclk->recalc(pclk); | ||
891 | /* | ||
892 | * recalc will return error if clk out is not programmed | ||
893 | * In this case configure default clock. | ||
894 | */ | ||
895 | if (ret && pclk->set_rate) | ||
896 | pclk->set_rate(pclk, 0); | ||
897 | } | ||
898 | propagate_rate(pclk, 1); | ||
899 | /* Enable clks enabled on init, in software view */ | ||
900 | if (pclk->flags & ENABLED_ON_INIT) | ||
901 | do_clk_enable(pclk); | ||
902 | } | ||
903 | spin_unlock_irqrestore(&clocks_lock, flags); | ||
904 | } | ||
905 | |||
906 | void __init clk_init(void) | ||
907 | { | ||
908 | recalc_root_clocks(); | ||
909 | } | ||
910 | |||
911 | #ifdef CONFIG_DEBUG_FS | ||
912 | /* | ||
913 | * debugfs support to trace clock tree hierarchy and attributes | ||
914 | */ | ||
915 | static struct dentry *clk_debugfs_root; | ||
916 | static int clk_debugfs_register_one(struct clk *c) | ||
917 | { | ||
918 | int err; | ||
919 | struct dentry *d; | ||
920 | struct clk *pa = c->pclk; | ||
921 | char s[255]; | ||
922 | char *p = s; | ||
923 | |||
924 | if (c) { | ||
925 | if (c->cl->con_id) | ||
926 | p += sprintf(p, "%s", c->cl->con_id); | ||
927 | if (c->cl->dev_id) | ||
928 | p += sprintf(p, "%s", c->cl->dev_id); | ||
929 | } | ||
930 | d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root); | ||
931 | if (!d) | ||
932 | return -ENOMEM; | ||
933 | c->dent = d; | ||
934 | |||
935 | d = debugfs_create_u32("usage_count", S_IRUGO, c->dent, | ||
936 | (u32 *)&c->usage_count); | ||
937 | if (!d) { | ||
938 | err = -ENOMEM; | ||
939 | goto err_out; | ||
940 | } | ||
941 | d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); | ||
942 | if (!d) { | ||
943 | err = -ENOMEM; | ||
944 | goto err_out; | ||
945 | } | ||
946 | d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags); | ||
947 | if (!d) { | ||
948 | err = -ENOMEM; | ||
949 | goto err_out; | ||
950 | } | ||
951 | return 0; | ||
952 | |||
953 | err_out: | ||
954 | debugfs_remove_recursive(c->dent); | ||
955 | return err; | ||
956 | } | ||
957 | |||
958 | static int clk_debugfs_register(struct clk *c) | ||
959 | { | ||
960 | int err; | ||
961 | struct clk *pa = c->pclk; | ||
962 | |||
963 | if (pa && !pa->dent) { | ||
964 | err = clk_debugfs_register(pa); | ||
965 | if (err) | ||
966 | return err; | ||
967 | } | ||
968 | |||
969 | if (!c->dent) { | ||
970 | err = clk_debugfs_register_one(c); | ||
971 | if (err) | ||
972 | return err; | ||
973 | } | ||
974 | return 0; | ||
975 | } | ||
976 | |||
977 | static int __init clk_debugfs_init(void) | ||
978 | { | ||
979 | struct clk *c; | ||
980 | struct dentry *d; | ||
981 | int err; | ||
982 | |||
983 | d = debugfs_create_dir("clock", NULL); | ||
984 | if (!d) | ||
985 | return -ENOMEM; | ||
986 | clk_debugfs_root = d; | ||
987 | |||
988 | list_for_each_entry(c, &clocks, node) { | ||
989 | err = clk_debugfs_register(c); | ||
990 | if (err) | ||
991 | goto err_out; | ||
992 | } | ||
993 | return 0; | ||
994 | err_out: | ||
995 | debugfs_remove_recursive(clk_debugfs_root); | ||
996 | return err; | ||
997 | } | ||
998 | late_initcall(clk_debugfs_init); | ||
999 | |||
1000 | static int clk_debugfs_reparent(struct clk *c) | ||
1001 | { | ||
1002 | debugfs_remove(c->dent); | ||
1003 | return clk_debugfs_register_one(c); | ||
1004 | } | ||
1005 | #endif /* CONFIG_DEBUG_FS */ | ||
diff --git a/arch/arm/plat-spear/include/plat/clock.h b/arch/arm/plat-spear/include/plat/clock.h deleted file mode 100644 index 0062bafef12d..000000000000 --- a/arch/arm/plat-spear/include/plat/clock.h +++ /dev/null | |||
@@ -1,249 +0,0 @@ | |||
1 | /* | ||
2 | * arch/arm/plat-spear/include/plat/clock.h | ||
3 | * | ||
4 | * Clock framework definitions for SPEAr platform | ||
5 | * | ||
6 | * Copyright (C) 2009 ST Microelectronics | ||
7 | * Viresh Kumar<viresh.kumar@st.com> | ||
8 | * | ||
9 | * This file is licensed under the terms of the GNU General Public | ||
10 | * License version 2. This program is licensed "as is" without any | ||
11 | * warranty of any kind, whether express or implied. | ||
12 | */ | ||
13 | |||
14 | #ifndef __PLAT_CLOCK_H | ||
15 | #define __PLAT_CLOCK_H | ||
16 | |||
17 | #include <linux/list.h> | ||
18 | #include <linux/clkdev.h> | ||
19 | #include <linux/types.h> | ||
20 | |||
21 | /* clk structure flags */ | ||
22 | #define ALWAYS_ENABLED (1 << 0) /* clock always enabled */ | ||
23 | #define RESET_TO_ENABLE (1 << 1) /* reset register bit to enable clk */ | ||
24 | #define ENABLED_ON_INIT (1 << 2) /* clocks enabled at init */ | ||
25 | |||
26 | /** | ||
27 | * struct clkops - clock operations | ||
28 | * @enable: pointer to clock enable function | ||
29 | * @disable: pointer to clock disable function | ||
30 | */ | ||
31 | struct clkops { | ||
32 | int (*enable) (struct clk *); | ||
33 | void (*disable) (struct clk *); | ||
34 | }; | ||
35 | |||
36 | /** | ||
37 | * struct pclk_info - parents info | ||
38 | * @pclk: pointer to parent clk | ||
39 | * @pclk_val: value to be written for selecting this parent | ||
40 | */ | ||
41 | struct pclk_info { | ||
42 | struct clk *pclk; | ||
43 | u8 pclk_val; | ||
44 | }; | ||
45 | |||
46 | /** | ||
47 | * struct pclk_sel - parents selection configuration | ||
48 | * @pclk_info: pointer to array of parent clock info | ||
49 | * @pclk_count: number of parents | ||
50 | * @pclk_sel_reg: register for selecting a parent | ||
51 | * @pclk_sel_mask: mask for selecting parent (can be used to clear bits also) | ||
52 | */ | ||
53 | struct pclk_sel { | ||
54 | struct pclk_info *pclk_info; | ||
55 | u8 pclk_count; | ||
56 | void __iomem *pclk_sel_reg; | ||
57 | unsigned int pclk_sel_mask; | ||
58 | }; | ||
59 | |||
60 | /** | ||
61 | * struct rate_config - clk rate configurations | ||
62 | * @tbls: array of device specific clk rate tables, in ascending order of rates | ||
63 | * @count: size of tbls array | ||
64 | * @default_index: default setting when originally disabled | ||
65 | */ | ||
66 | struct rate_config { | ||
67 | void *tbls; | ||
68 | u8 count; | ||
69 | u8 default_index; | ||
70 | }; | ||
71 | |||
72 | /** | ||
73 | * struct clk - clock structure | ||
74 | * @usage_count: num of users who enabled this clock | ||
75 | * @flags: flags for clock properties | ||
76 | * @rate: programmed clock rate in Hz | ||
77 | * @en_reg: clk enable/disable reg | ||
78 | * @en_reg_bit: clk enable/disable bit | ||
79 | * @ops: clk enable/disable ops - generic_clkops selected if NULL | ||
80 | * @recalc: pointer to clock rate recalculate function | ||
81 | * @set_rate: pointer to clock set rate function | ||
82 | * @calc_rate: pointer to clock get rate function for index | ||
83 | * @rate_config: rate configuration information, used by set_rate | ||
84 | * @div_factor: division factor to parent clock. | ||
85 | * @pclk: current parent clk | ||
86 | * @pclk_sel: pointer to parent selection structure | ||
87 | * @pclk_sel_shift: register shift for selecting parent of this clock | ||
88 | * @children: list for childrens or this clock | ||
89 | * @sibling: node for list of clocks having same parents | ||
90 | * @private_data: clock specific private data | ||
91 | * @node: list to maintain clocks linearly | ||
92 | * @cl: clocklook up associated with this clock | ||
93 | * @dent: object for debugfs | ||
94 | */ | ||
95 | struct clk { | ||
96 | unsigned int usage_count; | ||
97 | unsigned int flags; | ||
98 | unsigned long rate; | ||
99 | void __iomem *en_reg; | ||
100 | u8 en_reg_bit; | ||
101 | const struct clkops *ops; | ||
102 | int (*recalc) (struct clk *); | ||
103 | int (*set_rate) (struct clk *, unsigned long rate); | ||
104 | unsigned long (*calc_rate)(struct clk *, int index); | ||
105 | struct rate_config rate_config; | ||
106 | unsigned int div_factor; | ||
107 | |||
108 | struct clk *pclk; | ||
109 | struct pclk_sel *pclk_sel; | ||
110 | unsigned int pclk_sel_shift; | ||
111 | |||
112 | struct list_head children; | ||
113 | struct list_head sibling; | ||
114 | void *private_data; | ||
115 | #ifdef CONFIG_DEBUG_FS | ||
116 | struct list_head node; | ||
117 | struct clk_lookup *cl; | ||
118 | struct dentry *dent; | ||
119 | #endif | ||
120 | }; | ||
121 | |||
122 | /* pll configuration structure */ | ||
123 | struct pll_clk_masks { | ||
124 | u32 mode_mask; | ||
125 | u32 mode_shift; | ||
126 | |||
127 | u32 norm_fdbk_m_mask; | ||
128 | u32 norm_fdbk_m_shift; | ||
129 | u32 dith_fdbk_m_mask; | ||
130 | u32 dith_fdbk_m_shift; | ||
131 | u32 div_p_mask; | ||
132 | u32 div_p_shift; | ||
133 | u32 div_n_mask; | ||
134 | u32 div_n_shift; | ||
135 | }; | ||
136 | |||
137 | struct pll_clk_config { | ||
138 | void __iomem *mode_reg; | ||
139 | void __iomem *cfg_reg; | ||
140 | struct pll_clk_masks *masks; | ||
141 | }; | ||
142 | |||
143 | /* pll clk rate config structure */ | ||
144 | struct pll_rate_tbl { | ||
145 | u8 mode; | ||
146 | u16 m; | ||
147 | u8 n; | ||
148 | u8 p; | ||
149 | }; | ||
150 | |||
151 | /* ahb and apb bus configuration structure */ | ||
152 | struct bus_clk_masks { | ||
153 | u32 mask; | ||
154 | u32 shift; | ||
155 | }; | ||
156 | |||
157 | struct bus_clk_config { | ||
158 | void __iomem *reg; | ||
159 | struct bus_clk_masks *masks; | ||
160 | }; | ||
161 | |||
162 | /* ahb and apb clk bus rate config structure */ | ||
163 | struct bus_rate_tbl { | ||
164 | u8 div; | ||
165 | }; | ||
166 | |||
167 | /* Aux clk configuration structure: applicable to UART and FIRDA */ | ||
168 | struct aux_clk_masks { | ||
169 | u32 eq_sel_mask; | ||
170 | u32 eq_sel_shift; | ||
171 | u32 eq1_mask; | ||
172 | u32 eq2_mask; | ||
173 | u32 xscale_sel_mask; | ||
174 | u32 xscale_sel_shift; | ||
175 | u32 yscale_sel_mask; | ||
176 | u32 yscale_sel_shift; | ||
177 | }; | ||
178 | |||
179 | struct aux_clk_config { | ||
180 | void __iomem *synth_reg; | ||
181 | struct aux_clk_masks *masks; | ||
182 | }; | ||
183 | |||
184 | /* aux clk rate config structure */ | ||
185 | struct aux_rate_tbl { | ||
186 | u16 xscale; | ||
187 | u16 yscale; | ||
188 | u8 eq; | ||
189 | }; | ||
190 | |||
191 | /* GPT clk configuration structure */ | ||
192 | struct gpt_clk_masks { | ||
193 | u32 mscale_sel_mask; | ||
194 | u32 mscale_sel_shift; | ||
195 | u32 nscale_sel_mask; | ||
196 | u32 nscale_sel_shift; | ||
197 | }; | ||
198 | |||
199 | struct gpt_clk_config { | ||
200 | void __iomem *synth_reg; | ||
201 | struct gpt_clk_masks *masks; | ||
202 | }; | ||
203 | |||
204 | /* gpt clk rate config structure */ | ||
205 | struct gpt_rate_tbl { | ||
206 | u16 mscale; | ||
207 | u16 nscale; | ||
208 | }; | ||
209 | |||
210 | /* clcd clk configuration structure */ | ||
211 | struct clcd_synth_masks { | ||
212 | u32 div_factor_mask; | ||
213 | u32 div_factor_shift; | ||
214 | }; | ||
215 | |||
216 | struct clcd_clk_config { | ||
217 | void __iomem *synth_reg; | ||
218 | struct clcd_synth_masks *masks; | ||
219 | }; | ||
220 | |||
221 | /* clcd clk rate config structure */ | ||
222 | struct clcd_rate_tbl { | ||
223 | u16 div; | ||
224 | }; | ||
225 | |||
226 | /* platform specific clock functions */ | ||
227 | void __init clk_init(void); | ||
228 | void clk_register(struct clk_lookup *cl); | ||
229 | void recalc_root_clocks(void); | ||
230 | |||
231 | /* clock recalc & set rate functions */ | ||
232 | int follow_parent(struct clk *clk); | ||
233 | unsigned long pll_calc_rate(struct clk *clk, int index); | ||
234 | int pll_clk_recalc(struct clk *clk); | ||
235 | int pll_clk_set_rate(struct clk *clk, unsigned long desired_rate); | ||
236 | unsigned long bus_calc_rate(struct clk *clk, int index); | ||
237 | int bus_clk_recalc(struct clk *clk); | ||
238 | int bus_clk_set_rate(struct clk *clk, unsigned long desired_rate); | ||
239 | unsigned long gpt_calc_rate(struct clk *clk, int index); | ||
240 | int gpt_clk_recalc(struct clk *clk); | ||
241 | int gpt_clk_set_rate(struct clk *clk, unsigned long desired_rate); | ||
242 | unsigned long aux_calc_rate(struct clk *clk, int index); | ||
243 | int aux_clk_recalc(struct clk *clk); | ||
244 | int aux_clk_set_rate(struct clk *clk, unsigned long desired_rate); | ||
245 | unsigned long clcd_calc_rate(struct clk *clk, int index); | ||
246 | int clcd_clk_recalc(struct clk *clk); | ||
247 | int clcd_clk_set_rate(struct clk *clk, unsigned long desired_rate); | ||
248 | |||
249 | #endif /* __PLAT_CLOCK_H */ | ||
diff --git a/arch/arm/plat-spear/time.c b/arch/arm/plat-spear/time.c index a3164d1647fd..03321af5de9f 100644 --- a/arch/arm/plat-spear/time.c +++ b/arch/arm/plat-spear/time.c | |||
@@ -18,6 +18,8 @@ | |||
18 | #include <linux/ioport.h> | 18 | #include <linux/ioport.h> |
19 | #include <linux/io.h> | 19 | #include <linux/io.h> |
20 | #include <linux/kernel.h> | 20 | #include <linux/kernel.h> |
21 | #include <linux/of_irq.h> | ||
22 | #include <linux/of_address.h> | ||
21 | #include <linux/time.h> | 23 | #include <linux/time.h> |
22 | #include <linux/irq.h> | 24 | #include <linux/irq.h> |
23 | #include <asm/mach/time.h> | 25 | #include <asm/mach/time.h> |
@@ -197,19 +199,32 @@ static void __init spear_clockevent_init(int irq) | |||
197 | setup_irq(irq, &spear_timer_irq); | 199 | setup_irq(irq, &spear_timer_irq); |
198 | } | 200 | } |
199 | 201 | ||
200 | void __init spear_setup_timer(resource_size_t base, int irq) | 202 | const static struct of_device_id timer_of_match[] __initconst = { |
203 | { .compatible = "st,spear-timer", }, | ||
204 | { }, | ||
205 | }; | ||
206 | |||
207 | void __init spear_setup_of_timer(void) | ||
201 | { | 208 | { |
202 | int ret; | 209 | struct device_node *np; |
210 | int irq, ret; | ||
211 | |||
212 | np = of_find_matching_node(NULL, timer_of_match); | ||
213 | if (!np) { | ||
214 | pr_err("%s: No timer passed via DT\n", __func__); | ||
215 | return; | ||
216 | } | ||
203 | 217 | ||
204 | if (!request_mem_region(base, SZ_1K, "gpt0")) { | 218 | irq = irq_of_parse_and_map(np, 0); |
205 | pr_err("%s:cannot get IO addr\n", __func__); | 219 | if (!irq) { |
220 | pr_err("%s: No irq passed for timer via DT\n", __func__); | ||
206 | return; | 221 | return; |
207 | } | 222 | } |
208 | 223 | ||
209 | gpt_base = ioremap(base, SZ_1K); | 224 | gpt_base = of_iomap(np, 0); |
210 | if (!gpt_base) { | 225 | if (!gpt_base) { |
211 | pr_err("%s:ioremap failed for gpt\n", __func__); | 226 | pr_err("%s: of iomap failed\n", __func__); |
212 | goto err_mem; | 227 | return; |
213 | } | 228 | } |
214 | 229 | ||
215 | gpt_clk = clk_get_sys("gpt0", NULL); | 230 | gpt_clk = clk_get_sys("gpt0", NULL); |
@@ -218,10 +233,10 @@ void __init spear_setup_timer(resource_size_t base, int irq) | |||
218 | goto err_iomap; | 233 | goto err_iomap; |
219 | } | 234 | } |
220 | 235 | ||
221 | ret = clk_enable(gpt_clk); | 236 | ret = clk_prepare_enable(gpt_clk); |
222 | if (ret < 0) { | 237 | if (ret < 0) { |
223 | pr_err("%s:couldn't enable gpt clock\n", __func__); | 238 | pr_err("%s:couldn't prepare-enable gpt clock\n", __func__); |
224 | goto err_clk; | 239 | goto err_prepare_enable_clk; |
225 | } | 240 | } |
226 | 241 | ||
227 | spear_clockevent_init(irq); | 242 | spear_clockevent_init(irq); |
@@ -229,10 +244,8 @@ void __init spear_setup_timer(resource_size_t base, int irq) | |||
229 | 244 | ||
230 | return; | 245 | return; |
231 | 246 | ||
232 | err_clk: | 247 | err_prepare_enable_clk: |
233 | clk_put(gpt_clk); | 248 | clk_put(gpt_clk); |
234 | err_iomap: | 249 | err_iomap: |
235 | iounmap(gpt_base); | 250 | iounmap(gpt_base); |
236 | err_mem: | ||
237 | release_mem_region(base, SZ_1K); | ||
238 | } | 251 | } |
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 7336d4a7ab31..24712adf69df 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c | |||
@@ -553,6 +553,7 @@ struct mv_host_priv { | |||
553 | 553 | ||
554 | #if defined(CONFIG_HAVE_CLK) | 554 | #if defined(CONFIG_HAVE_CLK) |
555 | struct clk *clk; | 555 | struct clk *clk; |
556 | struct clk **port_clks; | ||
556 | #endif | 557 | #endif |
557 | /* | 558 | /* |
558 | * These consistent DMA memory pools give us guaranteed | 559 | * These consistent DMA memory pools give us guaranteed |
@@ -4027,6 +4028,9 @@ static int mv_platform_probe(struct platform_device *pdev) | |||
4027 | struct resource *res; | 4028 | struct resource *res; |
4028 | int n_ports = 0; | 4029 | int n_ports = 0; |
4029 | int rc; | 4030 | int rc; |
4031 | #if defined(CONFIG_HAVE_CLK) | ||
4032 | int port; | ||
4033 | #endif | ||
4030 | 4034 | ||
4031 | ata_print_version_once(&pdev->dev, DRV_VERSION); | 4035 | ata_print_version_once(&pdev->dev, DRV_VERSION); |
4032 | 4036 | ||
@@ -4054,6 +4058,13 @@ static int mv_platform_probe(struct platform_device *pdev) | |||
4054 | 4058 | ||
4055 | if (!host || !hpriv) | 4059 | if (!host || !hpriv) |
4056 | return -ENOMEM; | 4060 | return -ENOMEM; |
4061 | #if defined(CONFIG_HAVE_CLK) | ||
4062 | hpriv->port_clks = devm_kzalloc(&pdev->dev, | ||
4063 | sizeof(struct clk *) * n_ports, | ||
4064 | GFP_KERNEL); | ||
4065 | if (!hpriv->port_clks) | ||
4066 | return -ENOMEM; | ||
4067 | #endif | ||
4057 | host->private_data = hpriv; | 4068 | host->private_data = hpriv; |
4058 | hpriv->n_ports = n_ports; | 4069 | hpriv->n_ports = n_ports; |
4059 | hpriv->board_idx = chip_soc; | 4070 | hpriv->board_idx = chip_soc; |
@@ -4066,9 +4077,17 @@ static int mv_platform_probe(struct platform_device *pdev) | |||
4066 | #if defined(CONFIG_HAVE_CLK) | 4077 | #if defined(CONFIG_HAVE_CLK) |
4067 | hpriv->clk = clk_get(&pdev->dev, NULL); | 4078 | hpriv->clk = clk_get(&pdev->dev, NULL); |
4068 | if (IS_ERR(hpriv->clk)) | 4079 | if (IS_ERR(hpriv->clk)) |
4069 | dev_notice(&pdev->dev, "cannot get clkdev\n"); | 4080 | dev_notice(&pdev->dev, "cannot get optional clkdev\n"); |
4070 | else | 4081 | else |
4071 | clk_enable(hpriv->clk); | 4082 | clk_prepare_enable(hpriv->clk); |
4083 | |||
4084 | for (port = 0; port < n_ports; port++) { | ||
4085 | char port_number[16]; | ||
4086 | sprintf(port_number, "%d", port); | ||
4087 | hpriv->port_clks[port] = clk_get(&pdev->dev, port_number); | ||
4088 | if (!IS_ERR(hpriv->port_clks[port])) | ||
4089 | clk_prepare_enable(hpriv->port_clks[port]); | ||
4090 | } | ||
4072 | #endif | 4091 | #endif |
4073 | 4092 | ||
4074 | /* | 4093 | /* |
@@ -4098,9 +4117,15 @@ static int mv_platform_probe(struct platform_device *pdev) | |||
4098 | err: | 4117 | err: |
4099 | #if defined(CONFIG_HAVE_CLK) | 4118 | #if defined(CONFIG_HAVE_CLK) |
4100 | if (!IS_ERR(hpriv->clk)) { | 4119 | if (!IS_ERR(hpriv->clk)) { |
4101 | clk_disable(hpriv->clk); | 4120 | clk_disable_unprepare(hpriv->clk); |
4102 | clk_put(hpriv->clk); | 4121 | clk_put(hpriv->clk); |
4103 | } | 4122 | } |
4123 | for (port = 0; port < n_ports; port++) { | ||
4124 | if (!IS_ERR(hpriv->port_clks[port])) { | ||
4125 | clk_disable_unprepare(hpriv->port_clks[port]); | ||
4126 | clk_put(hpriv->port_clks[port]); | ||
4127 | } | ||
4128 | } | ||
4104 | #endif | 4129 | #endif |
4105 | 4130 | ||
4106 | return rc; | 4131 | return rc; |
@@ -4119,14 +4144,21 @@ static int __devexit mv_platform_remove(struct platform_device *pdev) | |||
4119 | struct ata_host *host = platform_get_drvdata(pdev); | 4144 | struct ata_host *host = platform_get_drvdata(pdev); |
4120 | #if defined(CONFIG_HAVE_CLK) | 4145 | #if defined(CONFIG_HAVE_CLK) |
4121 | struct mv_host_priv *hpriv = host->private_data; | 4146 | struct mv_host_priv *hpriv = host->private_data; |
4147 | int port; | ||
4122 | #endif | 4148 | #endif |
4123 | ata_host_detach(host); | 4149 | ata_host_detach(host); |
4124 | 4150 | ||
4125 | #if defined(CONFIG_HAVE_CLK) | 4151 | #if defined(CONFIG_HAVE_CLK) |
4126 | if (!IS_ERR(hpriv->clk)) { | 4152 | if (!IS_ERR(hpriv->clk)) { |
4127 | clk_disable(hpriv->clk); | 4153 | clk_disable_unprepare(hpriv->clk); |
4128 | clk_put(hpriv->clk); | 4154 | clk_put(hpriv->clk); |
4129 | } | 4155 | } |
4156 | for (port = 0; port < host->n_ports; port++) { | ||
4157 | if (!IS_ERR(hpriv->port_clks[port])) { | ||
4158 | clk_disable_unprepare(hpriv->port_clks[port]); | ||
4159 | clk_put(hpriv->port_clks[port]); | ||
4160 | } | ||
4161 | } | ||
4130 | #endif | 4162 | #endif |
4131 | return 0; | 4163 | return 0; |
4132 | } | 4164 | } |
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 165e1febae53..4864407e3fc4 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig | |||
@@ -12,6 +12,7 @@ config HAVE_MACH_CLKDEV | |||
12 | config COMMON_CLK | 12 | config COMMON_CLK |
13 | bool | 13 | bool |
14 | select HAVE_CLK_PREPARE | 14 | select HAVE_CLK_PREPARE |
15 | select CLKDEV_LOOKUP | ||
15 | ---help--- | 16 | ---help--- |
16 | The common clock framework is a single definition of struct | 17 | The common clock framework is a single definition of struct |
17 | clk, useful across many platforms, as well as an | 18 | clk, useful across many platforms, as well as an |
@@ -22,17 +23,6 @@ config COMMON_CLK | |||
22 | menu "Common Clock Framework" | 23 | menu "Common Clock Framework" |
23 | depends on COMMON_CLK | 24 | depends on COMMON_CLK |
24 | 25 | ||
25 | config COMMON_CLK_DISABLE_UNUSED | ||
26 | bool "Disabled unused clocks at boot" | ||
27 | depends on COMMON_CLK | ||
28 | ---help--- | ||
29 | Traverses the entire clock tree and disables any clocks that are | ||
30 | enabled in hardware but have not been enabled by any device drivers. | ||
31 | This saves power and keeps the software model of the clock in line | ||
32 | with reality. | ||
33 | |||
34 | If in doubt, say "N". | ||
35 | |||
36 | config COMMON_CLK_DEBUG | 26 | config COMMON_CLK_DEBUG |
37 | bool "DebugFS representation of clock tree" | 27 | bool "DebugFS representation of clock tree" |
38 | depends on COMMON_CLK | 28 | depends on COMMON_CLK |
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 1f736bc11c4b..b9a5158a30b1 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile | |||
@@ -1,4 +1,7 @@ | |||
1 | 1 | ||
2 | obj-$(CONFIG_CLKDEV_LOOKUP) += clkdev.o | 2 | obj-$(CONFIG_CLKDEV_LOOKUP) += clkdev.o |
3 | obj-$(CONFIG_COMMON_CLK) += clk.o clk-fixed-rate.o clk-gate.o \ | 3 | obj-$(CONFIG_COMMON_CLK) += clk.o clk-fixed-rate.o clk-gate.o \ |
4 | clk-mux.o clk-divider.o | 4 | clk-mux.o clk-divider.o clk-fixed-factor.o |
5 | # SoCs specific | ||
6 | obj-$(CONFIG_ARCH_MXS) += mxs/ | ||
7 | obj-$(CONFIG_PLAT_SPEAR) += spear/ | ||
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index d5ac6a75ea57..8ea11b444528 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c | |||
@@ -45,7 +45,6 @@ static unsigned long clk_divider_recalc_rate(struct clk_hw *hw, | |||
45 | 45 | ||
46 | return parent_rate / div; | 46 | return parent_rate / div; |
47 | } | 47 | } |
48 | EXPORT_SYMBOL_GPL(clk_divider_recalc_rate); | ||
49 | 48 | ||
50 | /* | 49 | /* |
51 | * The reverse of DIV_ROUND_UP: The maximum number which | 50 | * The reverse of DIV_ROUND_UP: The maximum number which |
@@ -68,8 +67,8 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate, | |||
68 | if (divider->flags & CLK_DIVIDER_ONE_BASED) | 67 | if (divider->flags & CLK_DIVIDER_ONE_BASED) |
69 | maxdiv--; | 68 | maxdiv--; |
70 | 69 | ||
71 | if (!best_parent_rate) { | 70 | if (!(__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT)) { |
72 | parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); | 71 | parent_rate = *best_parent_rate; |
73 | bestdiv = DIV_ROUND_UP(parent_rate, rate); | 72 | bestdiv = DIV_ROUND_UP(parent_rate, rate); |
74 | bestdiv = bestdiv == 0 ? 1 : bestdiv; | 73 | bestdiv = bestdiv == 0 ? 1 : bestdiv; |
75 | bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv; | 74 | bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv; |
@@ -109,24 +108,18 @@ static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate, | |||
109 | int div; | 108 | int div; |
110 | div = clk_divider_bestdiv(hw, rate, prate); | 109 | div = clk_divider_bestdiv(hw, rate, prate); |
111 | 110 | ||
112 | if (prate) | 111 | return *prate / div; |
113 | return *prate / div; | ||
114 | else { | ||
115 | unsigned long r; | ||
116 | r = __clk_get_rate(__clk_get_parent(hw->clk)); | ||
117 | return r / div; | ||
118 | } | ||
119 | } | 112 | } |
120 | EXPORT_SYMBOL_GPL(clk_divider_round_rate); | ||
121 | 113 | ||
122 | static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate) | 114 | static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, |
115 | unsigned long parent_rate) | ||
123 | { | 116 | { |
124 | struct clk_divider *divider = to_clk_divider(hw); | 117 | struct clk_divider *divider = to_clk_divider(hw); |
125 | unsigned int div; | 118 | unsigned int div; |
126 | unsigned long flags = 0; | 119 | unsigned long flags = 0; |
127 | u32 val; | 120 | u32 val; |
128 | 121 | ||
129 | div = __clk_get_rate(__clk_get_parent(hw->clk)) / rate; | 122 | div = parent_rate / rate; |
130 | 123 | ||
131 | if (!(divider->flags & CLK_DIVIDER_ONE_BASED)) | 124 | if (!(divider->flags & CLK_DIVIDER_ONE_BASED)) |
132 | div--; | 125 | div--; |
@@ -147,15 +140,26 @@ static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate) | |||
147 | 140 | ||
148 | return 0; | 141 | return 0; |
149 | } | 142 | } |
150 | EXPORT_SYMBOL_GPL(clk_divider_set_rate); | ||
151 | 143 | ||
152 | struct clk_ops clk_divider_ops = { | 144 | const struct clk_ops clk_divider_ops = { |
153 | .recalc_rate = clk_divider_recalc_rate, | 145 | .recalc_rate = clk_divider_recalc_rate, |
154 | .round_rate = clk_divider_round_rate, | 146 | .round_rate = clk_divider_round_rate, |
155 | .set_rate = clk_divider_set_rate, | 147 | .set_rate = clk_divider_set_rate, |
156 | }; | 148 | }; |
157 | EXPORT_SYMBOL_GPL(clk_divider_ops); | 149 | EXPORT_SYMBOL_GPL(clk_divider_ops); |
158 | 150 | ||
151 | /** | ||
152 | * clk_register_divider - register a divider clock with the clock framework | ||
153 | * @dev: device registering this clock | ||
154 | * @name: name of this clock | ||
155 | * @parent_name: name of clock's parent | ||
156 | * @flags: framework-specific flags | ||
157 | * @reg: register address to adjust divider | ||
158 | * @shift: number of bits to shift the bitfield | ||
159 | * @width: width of the bitfield | ||
160 | * @clk_divider_flags: divider-specific flags for this clock | ||
161 | * @lock: shared register lock for this clock | ||
162 | */ | ||
159 | struct clk *clk_register_divider(struct device *dev, const char *name, | 163 | struct clk *clk_register_divider(struct device *dev, const char *name, |
160 | const char *parent_name, unsigned long flags, | 164 | const char *parent_name, unsigned long flags, |
161 | void __iomem *reg, u8 shift, u8 width, | 165 | void __iomem *reg, u8 shift, u8 width, |
@@ -163,38 +167,34 @@ struct clk *clk_register_divider(struct device *dev, const char *name, | |||
163 | { | 167 | { |
164 | struct clk_divider *div; | 168 | struct clk_divider *div; |
165 | struct clk *clk; | 169 | struct clk *clk; |
170 | struct clk_init_data init; | ||
166 | 171 | ||
172 | /* allocate the divider */ | ||
167 | div = kzalloc(sizeof(struct clk_divider), GFP_KERNEL); | 173 | div = kzalloc(sizeof(struct clk_divider), GFP_KERNEL); |
168 | |||
169 | if (!div) { | 174 | if (!div) { |
170 | pr_err("%s: could not allocate divider clk\n", __func__); | 175 | pr_err("%s: could not allocate divider clk\n", __func__); |
171 | return NULL; | 176 | return ERR_PTR(-ENOMEM); |
172 | } | 177 | } |
173 | 178 | ||
179 | init.name = name; | ||
180 | init.ops = &clk_divider_ops; | ||
181 | init.flags = flags; | ||
182 | init.parent_names = (parent_name ? &parent_name: NULL); | ||
183 | init.num_parents = (parent_name ? 1 : 0); | ||
184 | |||
174 | /* struct clk_divider assignments */ | 185 | /* struct clk_divider assignments */ |
175 | div->reg = reg; | 186 | div->reg = reg; |
176 | div->shift = shift; | 187 | div->shift = shift; |
177 | div->width = width; | 188 | div->width = width; |
178 | div->flags = clk_divider_flags; | 189 | div->flags = clk_divider_flags; |
179 | div->lock = lock; | 190 | div->lock = lock; |
191 | div->hw.init = &init; | ||
180 | 192 | ||
181 | if (parent_name) { | 193 | /* register the clock */ |
182 | div->parent[0] = kstrdup(parent_name, GFP_KERNEL); | 194 | clk = clk_register(dev, &div->hw); |
183 | if (!div->parent[0]) | ||
184 | goto out; | ||
185 | } | ||
186 | |||
187 | clk = clk_register(dev, name, | ||
188 | &clk_divider_ops, &div->hw, | ||
189 | div->parent, | ||
190 | (parent_name ? 1 : 0), | ||
191 | flags); | ||
192 | if (clk) | ||
193 | return clk; | ||
194 | 195 | ||
195 | out: | 196 | if (IS_ERR(clk)) |
196 | kfree(div->parent[0]); | 197 | kfree(div); |
197 | kfree(div); | ||
198 | 198 | ||
199 | return NULL; | 199 | return clk; |
200 | } | 200 | } |
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c new file mode 100644 index 000000000000..c8c003e217ad --- /dev/null +++ b/drivers/clk/clk-fixed-factor.c | |||
@@ -0,0 +1,95 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | * | ||
8 | * Standard functionality for the common clock API. | ||
9 | */ | ||
10 | #include <linux/module.h> | ||
11 | #include <linux/clk-provider.h> | ||
12 | #include <linux/slab.h> | ||
13 | #include <linux/err.h> | ||
14 | |||
15 | /* | ||
16 | * DOC: basic fixed multiplier and divider clock that cannot gate | ||
17 | * | ||
18 | * Traits of this clock: | ||
19 | * prepare - clk_prepare only ensures that parents are prepared | ||
20 | * enable - clk_enable only ensures that parents are enabled | ||
21 | * rate - rate is fixed. clk->rate = parent->rate / div * mult | ||
22 | * parent - fixed parent. No clk_set_parent support | ||
23 | */ | ||
24 | |||
25 | #define to_clk_fixed_factor(_hw) container_of(_hw, struct clk_fixed_factor, hw) | ||
26 | |||
27 | static unsigned long clk_factor_recalc_rate(struct clk_hw *hw, | ||
28 | unsigned long parent_rate) | ||
29 | { | ||
30 | struct clk_fixed_factor *fix = to_clk_fixed_factor(hw); | ||
31 | |||
32 | return parent_rate * fix->mult / fix->div; | ||
33 | } | ||
34 | |||
35 | static long clk_factor_round_rate(struct clk_hw *hw, unsigned long rate, | ||
36 | unsigned long *prate) | ||
37 | { | ||
38 | struct clk_fixed_factor *fix = to_clk_fixed_factor(hw); | ||
39 | |||
40 | if (__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT) { | ||
41 | unsigned long best_parent; | ||
42 | |||
43 | best_parent = (rate / fix->mult) * fix->div; | ||
44 | *prate = __clk_round_rate(__clk_get_parent(hw->clk), | ||
45 | best_parent); | ||
46 | } | ||
47 | |||
48 | return (*prate / fix->div) * fix->mult; | ||
49 | } | ||
50 | |||
51 | static int clk_factor_set_rate(struct clk_hw *hw, unsigned long rate, | ||
52 | unsigned long parent_rate) | ||
53 | { | ||
54 | return 0; | ||
55 | } | ||
56 | |||
57 | struct clk_ops clk_fixed_factor_ops = { | ||
58 | .round_rate = clk_factor_round_rate, | ||
59 | .set_rate = clk_factor_set_rate, | ||
60 | .recalc_rate = clk_factor_recalc_rate, | ||
61 | }; | ||
62 | EXPORT_SYMBOL_GPL(clk_fixed_factor_ops); | ||
63 | |||
64 | struct clk *clk_register_fixed_factor(struct device *dev, const char *name, | ||
65 | const char *parent_name, unsigned long flags, | ||
66 | unsigned int mult, unsigned int div) | ||
67 | { | ||
68 | struct clk_fixed_factor *fix; | ||
69 | struct clk_init_data init; | ||
70 | struct clk *clk; | ||
71 | |||
72 | fix = kmalloc(sizeof(*fix), GFP_KERNEL); | ||
73 | if (!fix) { | ||
74 | pr_err("%s: could not allocate fixed factor clk\n", __func__); | ||
75 | return ERR_PTR(-ENOMEM); | ||
76 | } | ||
77 | |||
78 | /* struct clk_fixed_factor assignments */ | ||
79 | fix->mult = mult; | ||
80 | fix->div = div; | ||
81 | fix->hw.init = &init; | ||
82 | |||
83 | init.name = name; | ||
84 | init.ops = &clk_fixed_factor_ops; | ||
85 | init.flags = flags; | ||
86 | init.parent_names = &parent_name; | ||
87 | init.num_parents = 1; | ||
88 | |||
89 | clk = clk_register(dev, &fix->hw); | ||
90 | |||
91 | if (IS_ERR(clk)) | ||
92 | kfree(fix); | ||
93 | |||
94 | return clk; | ||
95 | } | ||
diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c index 90c79fb5d1bd..cbd246229786 100644 --- a/drivers/clk/clk-fixed-rate.c +++ b/drivers/clk/clk-fixed-rate.c | |||
@@ -32,51 +32,50 @@ static unsigned long clk_fixed_rate_recalc_rate(struct clk_hw *hw, | |||
32 | { | 32 | { |
33 | return to_clk_fixed_rate(hw)->fixed_rate; | 33 | return to_clk_fixed_rate(hw)->fixed_rate; |
34 | } | 34 | } |
35 | EXPORT_SYMBOL_GPL(clk_fixed_rate_recalc_rate); | ||
36 | 35 | ||
37 | struct clk_ops clk_fixed_rate_ops = { | 36 | const struct clk_ops clk_fixed_rate_ops = { |
38 | .recalc_rate = clk_fixed_rate_recalc_rate, | 37 | .recalc_rate = clk_fixed_rate_recalc_rate, |
39 | }; | 38 | }; |
40 | EXPORT_SYMBOL_GPL(clk_fixed_rate_ops); | 39 | EXPORT_SYMBOL_GPL(clk_fixed_rate_ops); |
41 | 40 | ||
41 | /** | ||
42 | * clk_register_fixed_rate - register fixed-rate clock with the clock framework | ||
43 | * @dev: device that is registering this clock | ||
44 | * @name: name of this clock | ||
45 | * @parent_name: name of clock's parent | ||
46 | * @flags: framework-specific flags | ||
47 | * @fixed_rate: non-adjustable clock rate | ||
48 | */ | ||
42 | struct clk *clk_register_fixed_rate(struct device *dev, const char *name, | 49 | struct clk *clk_register_fixed_rate(struct device *dev, const char *name, |
43 | const char *parent_name, unsigned long flags, | 50 | const char *parent_name, unsigned long flags, |
44 | unsigned long fixed_rate) | 51 | unsigned long fixed_rate) |
45 | { | 52 | { |
46 | struct clk_fixed_rate *fixed; | 53 | struct clk_fixed_rate *fixed; |
47 | char **parent_names = NULL; | 54 | struct clk *clk; |
48 | u8 len; | 55 | struct clk_init_data init; |
49 | 56 | ||
57 | /* allocate fixed-rate clock */ | ||
50 | fixed = kzalloc(sizeof(struct clk_fixed_rate), GFP_KERNEL); | 58 | fixed = kzalloc(sizeof(struct clk_fixed_rate), GFP_KERNEL); |
51 | |||
52 | if (!fixed) { | 59 | if (!fixed) { |
53 | pr_err("%s: could not allocate fixed clk\n", __func__); | 60 | pr_err("%s: could not allocate fixed clk\n", __func__); |
54 | return ERR_PTR(-ENOMEM); | 61 | return ERR_PTR(-ENOMEM); |
55 | } | 62 | } |
56 | 63 | ||
64 | init.name = name; | ||
65 | init.ops = &clk_fixed_rate_ops; | ||
66 | init.flags = flags; | ||
67 | init.parent_names = (parent_name ? &parent_name: NULL); | ||
68 | init.num_parents = (parent_name ? 1 : 0); | ||
69 | |||
57 | /* struct clk_fixed_rate assignments */ | 70 | /* struct clk_fixed_rate assignments */ |
58 | fixed->fixed_rate = fixed_rate; | 71 | fixed->fixed_rate = fixed_rate; |
72 | fixed->hw.init = &init; | ||
59 | 73 | ||
60 | if (parent_name) { | 74 | /* register the clock */ |
61 | parent_names = kmalloc(sizeof(char *), GFP_KERNEL); | 75 | clk = clk_register(dev, &fixed->hw); |
62 | |||
63 | if (! parent_names) | ||
64 | goto out; | ||
65 | 76 | ||
66 | len = sizeof(char) * strlen(parent_name); | 77 | if (IS_ERR(clk)) |
67 | 78 | kfree(fixed); | |
68 | parent_names[0] = kmalloc(len, GFP_KERNEL); | ||
69 | |||
70 | if (!parent_names[0]) | ||
71 | goto out; | ||
72 | |||
73 | strncpy(parent_names[0], parent_name, len); | ||
74 | } | ||
75 | 79 | ||
76 | out: | 80 | return clk; |
77 | return clk_register(dev, name, | ||
78 | &clk_fixed_rate_ops, &fixed->hw, | ||
79 | parent_names, | ||
80 | (parent_name ? 1 : 0), | ||
81 | flags); | ||
82 | } | 81 | } |
diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c index b5902e2ef2fd..578465e04be6 100644 --- a/drivers/clk/clk-gate.c +++ b/drivers/clk/clk-gate.c | |||
@@ -28,32 +28,38 @@ | |||
28 | 28 | ||
29 | #define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw) | 29 | #define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw) |
30 | 30 | ||
31 | static void clk_gate_set_bit(struct clk_gate *gate) | 31 | /* |
32 | * It works on following logic: | ||
33 | * | ||
34 | * For enabling clock, enable = 1 | ||
35 | * set2dis = 1 -> clear bit -> set = 0 | ||
36 | * set2dis = 0 -> set bit -> set = 1 | ||
37 | * | ||
38 | * For disabling clock, enable = 0 | ||
39 | * set2dis = 1 -> set bit -> set = 1 | ||
40 | * set2dis = 0 -> clear bit -> set = 0 | ||
41 | * | ||
42 | * So, result is always: enable xor set2dis. | ||
43 | */ | ||
44 | static void clk_gate_endisable(struct clk_hw *hw, int enable) | ||
32 | { | 45 | { |
33 | u32 reg; | 46 | struct clk_gate *gate = to_clk_gate(hw); |
47 | int set = gate->flags & CLK_GATE_SET_TO_DISABLE ? 1 : 0; | ||
34 | unsigned long flags = 0; | 48 | unsigned long flags = 0; |
49 | u32 reg; | ||
50 | |||
51 | set ^= enable; | ||
35 | 52 | ||
36 | if (gate->lock) | 53 | if (gate->lock) |
37 | spin_lock_irqsave(gate->lock, flags); | 54 | spin_lock_irqsave(gate->lock, flags); |
38 | 55 | ||
39 | reg = readl(gate->reg); | 56 | reg = readl(gate->reg); |
40 | reg |= BIT(gate->bit_idx); | ||
41 | writel(reg, gate->reg); | ||
42 | |||
43 | if (gate->lock) | ||
44 | spin_unlock_irqrestore(gate->lock, flags); | ||
45 | } | ||
46 | |||
47 | static void clk_gate_clear_bit(struct clk_gate *gate) | ||
48 | { | ||
49 | u32 reg; | ||
50 | unsigned long flags = 0; | ||
51 | 57 | ||
52 | if (gate->lock) | 58 | if (set) |
53 | spin_lock_irqsave(gate->lock, flags); | 59 | reg |= BIT(gate->bit_idx); |
60 | else | ||
61 | reg &= ~BIT(gate->bit_idx); | ||
54 | 62 | ||
55 | reg = readl(gate->reg); | ||
56 | reg &= ~BIT(gate->bit_idx); | ||
57 | writel(reg, gate->reg); | 63 | writel(reg, gate->reg); |
58 | 64 | ||
59 | if (gate->lock) | 65 | if (gate->lock) |
@@ -62,27 +68,15 @@ static void clk_gate_clear_bit(struct clk_gate *gate) | |||
62 | 68 | ||
63 | static int clk_gate_enable(struct clk_hw *hw) | 69 | static int clk_gate_enable(struct clk_hw *hw) |
64 | { | 70 | { |
65 | struct clk_gate *gate = to_clk_gate(hw); | 71 | clk_gate_endisable(hw, 1); |
66 | |||
67 | if (gate->flags & CLK_GATE_SET_TO_DISABLE) | ||
68 | clk_gate_clear_bit(gate); | ||
69 | else | ||
70 | clk_gate_set_bit(gate); | ||
71 | 72 | ||
72 | return 0; | 73 | return 0; |
73 | } | 74 | } |
74 | EXPORT_SYMBOL_GPL(clk_gate_enable); | ||
75 | 75 | ||
76 | static void clk_gate_disable(struct clk_hw *hw) | 76 | static void clk_gate_disable(struct clk_hw *hw) |
77 | { | 77 | { |
78 | struct clk_gate *gate = to_clk_gate(hw); | 78 | clk_gate_endisable(hw, 0); |
79 | |||
80 | if (gate->flags & CLK_GATE_SET_TO_DISABLE) | ||
81 | clk_gate_set_bit(gate); | ||
82 | else | ||
83 | clk_gate_clear_bit(gate); | ||
84 | } | 79 | } |
85 | EXPORT_SYMBOL_GPL(clk_gate_disable); | ||
86 | 80 | ||
87 | static int clk_gate_is_enabled(struct clk_hw *hw) | 81 | static int clk_gate_is_enabled(struct clk_hw *hw) |
88 | { | 82 | { |
@@ -99,15 +93,25 @@ static int clk_gate_is_enabled(struct clk_hw *hw) | |||
99 | 93 | ||
100 | return reg ? 1 : 0; | 94 | return reg ? 1 : 0; |
101 | } | 95 | } |
102 | EXPORT_SYMBOL_GPL(clk_gate_is_enabled); | ||
103 | 96 | ||
104 | struct clk_ops clk_gate_ops = { | 97 | const struct clk_ops clk_gate_ops = { |
105 | .enable = clk_gate_enable, | 98 | .enable = clk_gate_enable, |
106 | .disable = clk_gate_disable, | 99 | .disable = clk_gate_disable, |
107 | .is_enabled = clk_gate_is_enabled, | 100 | .is_enabled = clk_gate_is_enabled, |
108 | }; | 101 | }; |
109 | EXPORT_SYMBOL_GPL(clk_gate_ops); | 102 | EXPORT_SYMBOL_GPL(clk_gate_ops); |
110 | 103 | ||
104 | /** | ||
105 | * clk_register_gate - register a gate clock with the clock framework | ||
106 | * @dev: device that is registering this clock | ||
107 | * @name: name of this clock | ||
108 | * @parent_name: name of this clock's parent | ||
109 | * @flags: framework-specific flags for this clock | ||
110 | * @reg: register address to control gating of this clock | ||
111 | * @bit_idx: which bit in the register controls gating of this clock | ||
112 | * @clk_gate_flags: gate-specific flags for this clock | ||
113 | * @lock: shared register lock for this clock | ||
114 | */ | ||
111 | struct clk *clk_register_gate(struct device *dev, const char *name, | 115 | struct clk *clk_register_gate(struct device *dev, const char *name, |
112 | const char *parent_name, unsigned long flags, | 116 | const char *parent_name, unsigned long flags, |
113 | void __iomem *reg, u8 bit_idx, | 117 | void __iomem *reg, u8 bit_idx, |
@@ -115,36 +119,32 @@ struct clk *clk_register_gate(struct device *dev, const char *name, | |||
115 | { | 119 | { |
116 | struct clk_gate *gate; | 120 | struct clk_gate *gate; |
117 | struct clk *clk; | 121 | struct clk *clk; |
122 | struct clk_init_data init; | ||
118 | 123 | ||
124 | /* allocate the gate */ | ||
119 | gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL); | 125 | gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL); |
120 | |||
121 | if (!gate) { | 126 | if (!gate) { |
122 | pr_err("%s: could not allocate gated clk\n", __func__); | 127 | pr_err("%s: could not allocate gated clk\n", __func__); |
123 | return NULL; | 128 | return ERR_PTR(-ENOMEM); |
124 | } | 129 | } |
125 | 130 | ||
131 | init.name = name; | ||
132 | init.ops = &clk_gate_ops; | ||
133 | init.flags = flags; | ||
134 | init.parent_names = (parent_name ? &parent_name: NULL); | ||
135 | init.num_parents = (parent_name ? 1 : 0); | ||
136 | |||
126 | /* struct clk_gate assignments */ | 137 | /* struct clk_gate assignments */ |
127 | gate->reg = reg; | 138 | gate->reg = reg; |
128 | gate->bit_idx = bit_idx; | 139 | gate->bit_idx = bit_idx; |
129 | gate->flags = clk_gate_flags; | 140 | gate->flags = clk_gate_flags; |
130 | gate->lock = lock; | 141 | gate->lock = lock; |
142 | gate->hw.init = &init; | ||
131 | 143 | ||
132 | if (parent_name) { | 144 | clk = clk_register(dev, &gate->hw); |
133 | gate->parent[0] = kstrdup(parent_name, GFP_KERNEL); | 145 | |
134 | if (!gate->parent[0]) | 146 | if (IS_ERR(clk)) |
135 | goto out; | 147 | kfree(gate); |
136 | } | ||
137 | 148 | ||
138 | clk = clk_register(dev, name, | 149 | return clk; |
139 | &clk_gate_ops, &gate->hw, | ||
140 | gate->parent, | ||
141 | (parent_name ? 1 : 0), | ||
142 | flags); | ||
143 | if (clk) | ||
144 | return clk; | ||
145 | out: | ||
146 | kfree(gate->parent[0]); | ||
147 | kfree(gate); | ||
148 | |||
149 | return NULL; | ||
150 | } | 150 | } |
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index c71ad1f41a97..fd36a8ea73d9 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c | |||
@@ -55,7 +55,6 @@ static u8 clk_mux_get_parent(struct clk_hw *hw) | |||
55 | 55 | ||
56 | return val; | 56 | return val; |
57 | } | 57 | } |
58 | EXPORT_SYMBOL_GPL(clk_mux_get_parent); | ||
59 | 58 | ||
60 | static int clk_mux_set_parent(struct clk_hw *hw, u8 index) | 59 | static int clk_mux_set_parent(struct clk_hw *hw, u8 index) |
61 | { | 60 | { |
@@ -82,35 +81,47 @@ static int clk_mux_set_parent(struct clk_hw *hw, u8 index) | |||
82 | 81 | ||
83 | return 0; | 82 | return 0; |
84 | } | 83 | } |
85 | EXPORT_SYMBOL_GPL(clk_mux_set_parent); | ||
86 | 84 | ||
87 | struct clk_ops clk_mux_ops = { | 85 | const struct clk_ops clk_mux_ops = { |
88 | .get_parent = clk_mux_get_parent, | 86 | .get_parent = clk_mux_get_parent, |
89 | .set_parent = clk_mux_set_parent, | 87 | .set_parent = clk_mux_set_parent, |
90 | }; | 88 | }; |
91 | EXPORT_SYMBOL_GPL(clk_mux_ops); | 89 | EXPORT_SYMBOL_GPL(clk_mux_ops); |
92 | 90 | ||
93 | struct clk *clk_register_mux(struct device *dev, const char *name, | 91 | struct clk *clk_register_mux(struct device *dev, const char *name, |
94 | char **parent_names, u8 num_parents, unsigned long flags, | 92 | const char **parent_names, u8 num_parents, unsigned long flags, |
95 | void __iomem *reg, u8 shift, u8 width, | 93 | void __iomem *reg, u8 shift, u8 width, |
96 | u8 clk_mux_flags, spinlock_t *lock) | 94 | u8 clk_mux_flags, spinlock_t *lock) |
97 | { | 95 | { |
98 | struct clk_mux *mux; | 96 | struct clk_mux *mux; |
97 | struct clk *clk; | ||
98 | struct clk_init_data init; | ||
99 | 99 | ||
100 | mux = kmalloc(sizeof(struct clk_mux), GFP_KERNEL); | 100 | /* allocate the mux */ |
101 | 101 | mux = kzalloc(sizeof(struct clk_mux), GFP_KERNEL); | |
102 | if (!mux) { | 102 | if (!mux) { |
103 | pr_err("%s: could not allocate mux clk\n", __func__); | 103 | pr_err("%s: could not allocate mux clk\n", __func__); |
104 | return ERR_PTR(-ENOMEM); | 104 | return ERR_PTR(-ENOMEM); |
105 | } | 105 | } |
106 | 106 | ||
107 | init.name = name; | ||
108 | init.ops = &clk_mux_ops; | ||
109 | init.flags = flags; | ||
110 | init.parent_names = parent_names; | ||
111 | init.num_parents = num_parents; | ||
112 | |||
107 | /* struct clk_mux assignments */ | 113 | /* struct clk_mux assignments */ |
108 | mux->reg = reg; | 114 | mux->reg = reg; |
109 | mux->shift = shift; | 115 | mux->shift = shift; |
110 | mux->width = width; | 116 | mux->width = width; |
111 | mux->flags = clk_mux_flags; | 117 | mux->flags = clk_mux_flags; |
112 | mux->lock = lock; | 118 | mux->lock = lock; |
119 | mux->hw.init = &init; | ||
120 | |||
121 | clk = clk_register(dev, &mux->hw); | ||
122 | |||
123 | if (IS_ERR(clk)) | ||
124 | kfree(mux); | ||
113 | 125 | ||
114 | return clk_register(dev, name, &clk_mux_ops, &mux->hw, | 126 | return clk; |
115 | parent_names, num_parents, flags); | ||
116 | } | 127 | } |
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 9cf6f59e3e19..687b00d67c8a 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c | |||
@@ -194,9 +194,8 @@ static int __init clk_debug_init(void) | |||
194 | late_initcall(clk_debug_init); | 194 | late_initcall(clk_debug_init); |
195 | #else | 195 | #else |
196 | static inline int clk_debug_register(struct clk *clk) { return 0; } | 196 | static inline int clk_debug_register(struct clk *clk) { return 0; } |
197 | #endif /* CONFIG_COMMON_CLK_DEBUG */ | 197 | #endif |
198 | 198 | ||
199 | #ifdef CONFIG_COMMON_CLK_DISABLE_UNUSED | ||
200 | /* caller must hold prepare_lock */ | 199 | /* caller must hold prepare_lock */ |
201 | static void clk_disable_unused_subtree(struct clk *clk) | 200 | static void clk_disable_unused_subtree(struct clk *clk) |
202 | { | 201 | { |
@@ -246,9 +245,6 @@ static int clk_disable_unused(void) | |||
246 | return 0; | 245 | return 0; |
247 | } | 246 | } |
248 | late_initcall(clk_disable_unused); | 247 | late_initcall(clk_disable_unused); |
249 | #else | ||
250 | static inline int clk_disable_unused(struct clk *clk) { return 0; } | ||
251 | #endif /* CONFIG_COMMON_CLK_DISABLE_UNUSED */ | ||
252 | 248 | ||
253 | /*** helper functions ***/ | 249 | /*** helper functions ***/ |
254 | 250 | ||
@@ -287,7 +283,7 @@ unsigned long __clk_get_rate(struct clk *clk) | |||
287 | unsigned long ret; | 283 | unsigned long ret; |
288 | 284 | ||
289 | if (!clk) { | 285 | if (!clk) { |
290 | ret = -EINVAL; | 286 | ret = 0; |
291 | goto out; | 287 | goto out; |
292 | } | 288 | } |
293 | 289 | ||
@@ -297,7 +293,7 @@ unsigned long __clk_get_rate(struct clk *clk) | |||
297 | goto out; | 293 | goto out; |
298 | 294 | ||
299 | if (!clk->parent) | 295 | if (!clk->parent) |
300 | ret = -ENODEV; | 296 | ret = 0; |
301 | 297 | ||
302 | out: | 298 | out: |
303 | return ret; | 299 | return ret; |
@@ -562,7 +558,7 @@ EXPORT_SYMBOL_GPL(clk_enable); | |||
562 | * @clk: the clk whose rate is being returned | 558 | * @clk: the clk whose rate is being returned |
563 | * | 559 | * |
564 | * Simply returns the cached rate of the clk. Does not query the hardware. If | 560 | * Simply returns the cached rate of the clk. Does not query the hardware. If |
565 | * clk is NULL then returns -EINVAL. | 561 | * clk is NULL then returns 0. |
566 | */ | 562 | */ |
567 | unsigned long clk_get_rate(struct clk *clk) | 563 | unsigned long clk_get_rate(struct clk *clk) |
568 | { | 564 | { |
@@ -584,18 +580,22 @@ EXPORT_SYMBOL_GPL(clk_get_rate); | |||
584 | */ | 580 | */ |
585 | unsigned long __clk_round_rate(struct clk *clk, unsigned long rate) | 581 | unsigned long __clk_round_rate(struct clk *clk, unsigned long rate) |
586 | { | 582 | { |
587 | unsigned long unused; | 583 | unsigned long parent_rate = 0; |
588 | 584 | ||
589 | if (!clk) | 585 | if (!clk) |
590 | return -EINVAL; | 586 | return -EINVAL; |
591 | 587 | ||
592 | if (!clk->ops->round_rate) | 588 | if (!clk->ops->round_rate) { |
593 | return clk->rate; | 589 | if (clk->flags & CLK_SET_RATE_PARENT) |
590 | return __clk_round_rate(clk->parent, rate); | ||
591 | else | ||
592 | return clk->rate; | ||
593 | } | ||
594 | 594 | ||
595 | if (clk->flags & CLK_SET_RATE_PARENT) | 595 | if (clk->parent) |
596 | return clk->ops->round_rate(clk->hw, rate, &unused); | 596 | parent_rate = clk->parent->rate; |
597 | else | 597 | |
598 | return clk->ops->round_rate(clk->hw, rate, NULL); | 598 | return clk->ops->round_rate(clk->hw, rate, &parent_rate); |
599 | } | 599 | } |
600 | 600 | ||
601 | /** | 601 | /** |
@@ -765,25 +765,41 @@ static void clk_calc_subtree(struct clk *clk, unsigned long new_rate) | |||
765 | static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate) | 765 | static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate) |
766 | { | 766 | { |
767 | struct clk *top = clk; | 767 | struct clk *top = clk; |
768 | unsigned long best_parent_rate = clk->parent->rate; | 768 | unsigned long best_parent_rate = 0; |
769 | unsigned long new_rate; | 769 | unsigned long new_rate; |
770 | 770 | ||
771 | if (!clk->ops->round_rate && !(clk->flags & CLK_SET_RATE_PARENT)) { | 771 | /* sanity */ |
772 | clk->new_rate = clk->rate; | 772 | if (IS_ERR_OR_NULL(clk)) |
773 | return NULL; | ||
774 | |||
775 | /* save parent rate, if it exists */ | ||
776 | if (clk->parent) | ||
777 | best_parent_rate = clk->parent->rate; | ||
778 | |||
779 | /* never propagate up to the parent */ | ||
780 | if (!(clk->flags & CLK_SET_RATE_PARENT)) { | ||
781 | if (!clk->ops->round_rate) { | ||
782 | clk->new_rate = clk->rate; | ||
783 | return NULL; | ||
784 | } | ||
785 | new_rate = clk->ops->round_rate(clk->hw, rate, &best_parent_rate); | ||
786 | goto out; | ||
787 | } | ||
788 | |||
789 | /* need clk->parent from here on out */ | ||
790 | if (!clk->parent) { | ||
791 | pr_debug("%s: %s has NULL parent\n", __func__, clk->name); | ||
773 | return NULL; | 792 | return NULL; |
774 | } | 793 | } |
775 | 794 | ||
776 | if (!clk->ops->round_rate && (clk->flags & CLK_SET_RATE_PARENT)) { | 795 | if (!clk->ops->round_rate) { |
777 | top = clk_calc_new_rates(clk->parent, rate); | 796 | top = clk_calc_new_rates(clk->parent, rate); |
778 | new_rate = clk->new_rate = clk->parent->new_rate; | 797 | new_rate = clk->parent->new_rate; |
779 | 798 | ||
780 | goto out; | 799 | goto out; |
781 | } | 800 | } |
782 | 801 | ||
783 | if (clk->flags & CLK_SET_RATE_PARENT) | 802 | new_rate = clk->ops->round_rate(clk->hw, rate, &best_parent_rate); |
784 | new_rate = clk->ops->round_rate(clk->hw, rate, &best_parent_rate); | ||
785 | else | ||
786 | new_rate = clk->ops->round_rate(clk->hw, rate, NULL); | ||
787 | 803 | ||
788 | if (best_parent_rate != clk->parent->rate) { | 804 | if (best_parent_rate != clk->parent->rate) { |
789 | top = clk_calc_new_rates(clk->parent, best_parent_rate); | 805 | top = clk_calc_new_rates(clk->parent, best_parent_rate); |
@@ -839,7 +855,7 @@ static void clk_change_rate(struct clk *clk) | |||
839 | old_rate = clk->rate; | 855 | old_rate = clk->rate; |
840 | 856 | ||
841 | if (clk->ops->set_rate) | 857 | if (clk->ops->set_rate) |
842 | clk->ops->set_rate(clk->hw, clk->new_rate); | 858 | clk->ops->set_rate(clk->hw, clk->new_rate, clk->parent->rate); |
843 | 859 | ||
844 | if (clk->ops->recalc_rate) | 860 | if (clk->ops->recalc_rate) |
845 | clk->rate = clk->ops->recalc_rate(clk->hw, | 861 | clk->rate = clk->ops->recalc_rate(clk->hw, |
@@ -859,38 +875,19 @@ static void clk_change_rate(struct clk *clk) | |||
859 | * @clk: the clk whose rate is being changed | 875 | * @clk: the clk whose rate is being changed |
860 | * @rate: the new rate for clk | 876 | * @rate: the new rate for clk |
861 | * | 877 | * |
862 | * In the simplest case clk_set_rate will only change the rate of clk. | 878 | * In the simplest case clk_set_rate will only adjust the rate of clk. |
863 | * | ||
864 | * If clk has the CLK_SET_RATE_GATE flag set and it is enabled this call | ||
865 | * will fail; only when the clk is disabled will it be able to change | ||
866 | * its rate. | ||
867 | * | 879 | * |
868 | * Setting the CLK_SET_RATE_PARENT flag allows clk_set_rate to | 880 | * Setting the CLK_SET_RATE_PARENT flag allows the rate change operation to |
869 | * recursively propagate up to clk's parent; whether or not this happens | 881 | * propagate up to clk's parent; whether or not this happens depends on the |
870 | * depends on the outcome of clk's .round_rate implementation. If | 882 | * outcome of clk's .round_rate implementation. If *parent_rate is unchanged |
871 | * *parent_rate is 0 after calling .round_rate then upstream parent | 883 | * after calling .round_rate then upstream parent propagation is ignored. If |
872 | * propagation is ignored. If *parent_rate comes back with a new rate | 884 | * *parent_rate comes back with a new rate for clk's parent then we propagate |
873 | * for clk's parent then we propagate up to clk's parent and set it's | 885 | * up to clk's parent and set it's rate. Upward propagation will continue |
874 | * rate. Upward propagation will continue until either a clk does not | 886 | * until either a clk does not support the CLK_SET_RATE_PARENT flag or |
875 | * support the CLK_SET_RATE_PARENT flag or .round_rate stops requesting | 887 | * .round_rate stops requesting changes to clk's parent_rate. |
876 | * changes to clk's parent_rate. If there is a failure during upstream | ||
877 | * propagation then clk_set_rate will unwind and restore each clk's rate | ||
878 | * that had been successfully changed. Afterwards a rate change abort | ||
879 | * notification will be propagated downstream, starting from the clk | ||
880 | * that failed. | ||
881 | * | 888 | * |
882 | * At the end of all of the rate setting, clk_set_rate internally calls | 889 | * Rate changes are accomplished via tree traversal that also recalculates the |
883 | * __clk_recalc_rates and propagates the rate changes downstream, | 890 | * rates for the clocks and fires off POST_RATE_CHANGE notifiers. |
884 | * starting from the highest clk whose rate was changed. This has the | ||
885 | * added benefit of propagating post-rate change notifiers. | ||
886 | * | ||
887 | * Note that while post-rate change and rate change abort notifications | ||
888 | * are guaranteed to be sent to a clk only once per call to | ||
889 | * clk_set_rate, pre-change notifications will be sent for every clk | ||
890 | * whose rate is changed. Stacking pre-change notifications is noisy | ||
891 | * for the drivers subscribed to them, but this allows drivers to react | ||
892 | * to intermediate clk rate changes up until the point where the final | ||
893 | * rate is achieved at the end of upstream propagation. | ||
894 | * | 891 | * |
895 | * Returns 0 on success, -EERROR otherwise. | 892 | * Returns 0 on success, -EERROR otherwise. |
896 | */ | 893 | */ |
@@ -906,6 +903,11 @@ int clk_set_rate(struct clk *clk, unsigned long rate) | |||
906 | if (rate == clk->rate) | 903 | if (rate == clk->rate) |
907 | goto out; | 904 | goto out; |
908 | 905 | ||
906 | if ((clk->flags & CLK_SET_RATE_GATE) && clk->prepare_count) { | ||
907 | ret = -EBUSY; | ||
908 | goto out; | ||
909 | } | ||
910 | |||
909 | /* calculate new rates and get the topmost changed clock */ | 911 | /* calculate new rates and get the topmost changed clock */ |
910 | top = clk_calc_new_rates(clk, rate); | 912 | top = clk_calc_new_rates(clk, rate); |
911 | if (!top) { | 913 | if (!top) { |
@@ -1175,40 +1177,41 @@ EXPORT_SYMBOL_GPL(clk_set_parent); | |||
1175 | * | 1177 | * |
1176 | * Initializes the lists in struct clk, queries the hardware for the | 1178 | * Initializes the lists in struct clk, queries the hardware for the |
1177 | * parent and rate and sets them both. | 1179 | * parent and rate and sets them both. |
1178 | * | ||
1179 | * Any struct clk passed into __clk_init must have the following members | ||
1180 | * populated: | ||
1181 | * .name | ||
1182 | * .ops | ||
1183 | * .hw | ||
1184 | * .parent_names | ||
1185 | * .num_parents | ||
1186 | * .flags | ||
1187 | * | ||
1188 | * Essentially, everything that would normally be passed into clk_register is | ||
1189 | * assumed to be initialized already in __clk_init. The other members may be | ||
1190 | * populated, but are optional. | ||
1191 | * | ||
1192 | * __clk_init is only exposed via clk-private.h and is intended for use with | ||
1193 | * very large numbers of clocks that need to be statically initialized. It is | ||
1194 | * a layering violation to include clk-private.h from any code which implements | ||
1195 | * a clock's .ops; as such any statically initialized clock data MUST be in a | ||
1196 | * separate C file from the logic that implements it's operations. | ||
1197 | */ | 1180 | */ |
1198 | void __clk_init(struct device *dev, struct clk *clk) | 1181 | int __clk_init(struct device *dev, struct clk *clk) |
1199 | { | 1182 | { |
1200 | int i; | 1183 | int i, ret = 0; |
1201 | struct clk *orphan; | 1184 | struct clk *orphan; |
1202 | struct hlist_node *tmp, *tmp2; | 1185 | struct hlist_node *tmp, *tmp2; |
1203 | 1186 | ||
1204 | if (!clk) | 1187 | if (!clk) |
1205 | return; | 1188 | return -EINVAL; |
1206 | 1189 | ||
1207 | mutex_lock(&prepare_lock); | 1190 | mutex_lock(&prepare_lock); |
1208 | 1191 | ||
1209 | /* check to see if a clock with this name is already registered */ | 1192 | /* check to see if a clock with this name is already registered */ |
1210 | if (__clk_lookup(clk->name)) | 1193 | if (__clk_lookup(clk->name)) { |
1194 | pr_debug("%s: clk %s already initialized\n", | ||
1195 | __func__, clk->name); | ||
1196 | ret = -EEXIST; | ||
1197 | goto out; | ||
1198 | } | ||
1199 | |||
1200 | /* check that clk_ops are sane. See Documentation/clk.txt */ | ||
1201 | if (clk->ops->set_rate && | ||
1202 | !(clk->ops->round_rate && clk->ops->recalc_rate)) { | ||
1203 | pr_warning("%s: %s must implement .round_rate & .recalc_rate\n", | ||
1204 | __func__, clk->name); | ||
1205 | ret = -EINVAL; | ||
1206 | goto out; | ||
1207 | } | ||
1208 | |||
1209 | if (clk->ops->set_parent && !clk->ops->get_parent) { | ||
1210 | pr_warning("%s: %s must implement .get_parent & .set_parent\n", | ||
1211 | __func__, clk->name); | ||
1212 | ret = -EINVAL; | ||
1211 | goto out; | 1213 | goto out; |
1214 | } | ||
1212 | 1215 | ||
1213 | /* throw a WARN if any entries in parent_names are NULL */ | 1216 | /* throw a WARN if any entries in parent_names are NULL */ |
1214 | for (i = 0; i < clk->num_parents; i++) | 1217 | for (i = 0; i < clk->num_parents; i++) |
@@ -1302,48 +1305,130 @@ void __clk_init(struct device *dev, struct clk *clk) | |||
1302 | out: | 1305 | out: |
1303 | mutex_unlock(&prepare_lock); | 1306 | mutex_unlock(&prepare_lock); |
1304 | 1307 | ||
1305 | return; | 1308 | return ret; |
1306 | } | 1309 | } |
1307 | 1310 | ||
1308 | /** | 1311 | /** |
1312 | * __clk_register - register a clock and return a cookie. | ||
1313 | * | ||
1314 | * Same as clk_register, except that the .clk field inside hw shall point to a | ||
1315 | * preallocated (generally statically allocated) struct clk. None of the fields | ||
1316 | * of the struct clk need to be initialized. | ||
1317 | * | ||
1318 | * The data pointed to by .init and .clk field shall NOT be marked as init | ||
1319 | * data. | ||
1320 | * | ||
1321 | * __clk_register is only exposed via clk-private.h and is intended for use with | ||
1322 | * very large numbers of clocks that need to be statically initialized. It is | ||
1323 | * a layering violation to include clk-private.h from any code which implements | ||
1324 | * a clock's .ops; as such any statically initialized clock data MUST be in a | ||
1325 | * separate C file from the logic that implements it's operations. Returns 0 | ||
1326 | * on success, otherwise an error code. | ||
1327 | */ | ||
1328 | struct clk *__clk_register(struct device *dev, struct clk_hw *hw) | ||
1329 | { | ||
1330 | int ret; | ||
1331 | struct clk *clk; | ||
1332 | |||
1333 | clk = hw->clk; | ||
1334 | clk->name = hw->init->name; | ||
1335 | clk->ops = hw->init->ops; | ||
1336 | clk->hw = hw; | ||
1337 | clk->flags = hw->init->flags; | ||
1338 | clk->parent_names = hw->init->parent_names; | ||
1339 | clk->num_parents = hw->init->num_parents; | ||
1340 | |||
1341 | ret = __clk_init(dev, clk); | ||
1342 | if (ret) | ||
1343 | return ERR_PTR(ret); | ||
1344 | |||
1345 | return clk; | ||
1346 | } | ||
1347 | EXPORT_SYMBOL_GPL(__clk_register); | ||
1348 | |||
1349 | /** | ||
1309 | * clk_register - allocate a new clock, register it and return an opaque cookie | 1350 | * clk_register - allocate a new clock, register it and return an opaque cookie |
1310 | * @dev: device that is registering this clock | 1351 | * @dev: device that is registering this clock |
1311 | * @name: clock name | ||
1312 | * @ops: operations this clock supports | ||
1313 | * @hw: link to hardware-specific clock data | 1352 | * @hw: link to hardware-specific clock data |
1314 | * @parent_names: array of string names for all possible parents | ||
1315 | * @num_parents: number of possible parents | ||
1316 | * @flags: framework-level hints and quirks | ||
1317 | * | 1353 | * |
1318 | * clk_register is the primary interface for populating the clock tree with new | 1354 | * clk_register is the primary interface for populating the clock tree with new |
1319 | * clock nodes. It returns a pointer to the newly allocated struct clk which | 1355 | * clock nodes. It returns a pointer to the newly allocated struct clk which |
1320 | * cannot be dereferenced by driver code but may be used in conjuction with the | 1356 | * cannot be dereferenced by driver code but may be used in conjuction with the |
1321 | * rest of the clock API. | 1357 | * rest of the clock API. In the event of an error clk_register will return an |
1358 | * error code; drivers must test for an error code after calling clk_register. | ||
1322 | */ | 1359 | */ |
1323 | struct clk *clk_register(struct device *dev, const char *name, | 1360 | struct clk *clk_register(struct device *dev, struct clk_hw *hw) |
1324 | const struct clk_ops *ops, struct clk_hw *hw, | ||
1325 | char **parent_names, u8 num_parents, unsigned long flags) | ||
1326 | { | 1361 | { |
1362 | int i, ret; | ||
1327 | struct clk *clk; | 1363 | struct clk *clk; |
1328 | 1364 | ||
1329 | clk = kzalloc(sizeof(*clk), GFP_KERNEL); | 1365 | clk = kzalloc(sizeof(*clk), GFP_KERNEL); |
1330 | if (!clk) | 1366 | if (!clk) { |
1331 | return NULL; | 1367 | pr_err("%s: could not allocate clk\n", __func__); |
1368 | ret = -ENOMEM; | ||
1369 | goto fail_out; | ||
1370 | } | ||
1332 | 1371 | ||
1333 | clk->name = name; | 1372 | clk->name = kstrdup(hw->init->name, GFP_KERNEL); |
1334 | clk->ops = ops; | 1373 | if (!clk->name) { |
1374 | pr_err("%s: could not allocate clk->name\n", __func__); | ||
1375 | ret = -ENOMEM; | ||
1376 | goto fail_name; | ||
1377 | } | ||
1378 | clk->ops = hw->init->ops; | ||
1335 | clk->hw = hw; | 1379 | clk->hw = hw; |
1336 | clk->flags = flags; | 1380 | clk->flags = hw->init->flags; |
1337 | clk->parent_names = parent_names; | 1381 | clk->num_parents = hw->init->num_parents; |
1338 | clk->num_parents = num_parents; | ||
1339 | hw->clk = clk; | 1382 | hw->clk = clk; |
1340 | 1383 | ||
1341 | __clk_init(dev, clk); | 1384 | /* allocate local copy in case parent_names is __initdata */ |
1385 | clk->parent_names = kzalloc((sizeof(char*) * clk->num_parents), | ||
1386 | GFP_KERNEL); | ||
1342 | 1387 | ||
1343 | return clk; | 1388 | if (!clk->parent_names) { |
1389 | pr_err("%s: could not allocate clk->parent_names\n", __func__); | ||
1390 | ret = -ENOMEM; | ||
1391 | goto fail_parent_names; | ||
1392 | } | ||
1393 | |||
1394 | |||
1395 | /* copy each string name in case parent_names is __initdata */ | ||
1396 | for (i = 0; i < clk->num_parents; i++) { | ||
1397 | clk->parent_names[i] = kstrdup(hw->init->parent_names[i], | ||
1398 | GFP_KERNEL); | ||
1399 | if (!clk->parent_names[i]) { | ||
1400 | pr_err("%s: could not copy parent_names\n", __func__); | ||
1401 | ret = -ENOMEM; | ||
1402 | goto fail_parent_names_copy; | ||
1403 | } | ||
1404 | } | ||
1405 | |||
1406 | ret = __clk_init(dev, clk); | ||
1407 | if (!ret) | ||
1408 | return clk; | ||
1409 | |||
1410 | fail_parent_names_copy: | ||
1411 | while (--i >= 0) | ||
1412 | kfree(clk->parent_names[i]); | ||
1413 | kfree(clk->parent_names); | ||
1414 | fail_parent_names: | ||
1415 | kfree(clk->name); | ||
1416 | fail_name: | ||
1417 | kfree(clk); | ||
1418 | fail_out: | ||
1419 | return ERR_PTR(ret); | ||
1344 | } | 1420 | } |
1345 | EXPORT_SYMBOL_GPL(clk_register); | 1421 | EXPORT_SYMBOL_GPL(clk_register); |
1346 | 1422 | ||
1423 | /** | ||
1424 | * clk_unregister - unregister a currently registered clock | ||
1425 | * @clk: clock to unregister | ||
1426 | * | ||
1427 | * Currently unimplemented. | ||
1428 | */ | ||
1429 | void clk_unregister(struct clk *clk) {} | ||
1430 | EXPORT_SYMBOL_GPL(clk_unregister); | ||
1431 | |||
1347 | /*** clk rate change notifiers ***/ | 1432 | /*** clk rate change notifiers ***/ |
1348 | 1433 | ||
1349 | /** | 1434 | /** |
diff --git a/drivers/clk/mxs/Makefile b/drivers/clk/mxs/Makefile new file mode 100644 index 000000000000..7bedeec08524 --- /dev/null +++ b/drivers/clk/mxs/Makefile | |||
@@ -0,0 +1,8 @@ | |||
1 | # | ||
2 | # Makefile for mxs specific clk | ||
3 | # | ||
4 | |||
5 | obj-y += clk.o clk-pll.o clk-ref.o clk-div.o clk-frac.o | ||
6 | |||
7 | obj-$(CONFIG_SOC_IMX23) += clk-imx23.o | ||
8 | obj-$(CONFIG_SOC_IMX28) += clk-imx28.o | ||
diff --git a/drivers/clk/mxs/clk-div.c b/drivers/clk/mxs/clk-div.c new file mode 100644 index 000000000000..90e1da93877e --- /dev/null +++ b/drivers/clk/mxs/clk-div.c | |||
@@ -0,0 +1,110 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * | ||
4 | * The code contained herein is licensed under the GNU General Public | ||
5 | * License. You may obtain a copy of the GNU General Public License | ||
6 | * Version 2 or later at the following locations: | ||
7 | * | ||
8 | * http://www.opensource.org/licenses/gpl-license.html | ||
9 | * http://www.gnu.org/copyleft/gpl.html | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk.h> | ||
13 | #include <linux/clk-provider.h> | ||
14 | #include <linux/err.h> | ||
15 | #include <linux/slab.h> | ||
16 | #include "clk.h" | ||
17 | |||
18 | /** | ||
19 | * struct clk_div - mxs integer divider clock | ||
20 | * @divider: the parent class | ||
21 | * @ops: pointer to clk_ops of parent class | ||
22 | * @reg: register address | ||
23 | * @busy: busy bit shift | ||
24 | * | ||
25 | * The mxs divider clock is a subclass of basic clk_divider with an | ||
26 | * addtional busy bit. | ||
27 | */ | ||
28 | struct clk_div { | ||
29 | struct clk_divider divider; | ||
30 | const struct clk_ops *ops; | ||
31 | void __iomem *reg; | ||
32 | u8 busy; | ||
33 | }; | ||
34 | |||
35 | static inline struct clk_div *to_clk_div(struct clk_hw *hw) | ||
36 | { | ||
37 | struct clk_divider *divider = container_of(hw, struct clk_divider, hw); | ||
38 | |||
39 | return container_of(divider, struct clk_div, divider); | ||
40 | } | ||
41 | |||
42 | static unsigned long clk_div_recalc_rate(struct clk_hw *hw, | ||
43 | unsigned long parent_rate) | ||
44 | { | ||
45 | struct clk_div *div = to_clk_div(hw); | ||
46 | |||
47 | return div->ops->recalc_rate(&div->divider.hw, parent_rate); | ||
48 | } | ||
49 | |||
50 | static long clk_div_round_rate(struct clk_hw *hw, unsigned long rate, | ||
51 | unsigned long *prate) | ||
52 | { | ||
53 | struct clk_div *div = to_clk_div(hw); | ||
54 | |||
55 | return div->ops->round_rate(&div->divider.hw, rate, prate); | ||
56 | } | ||
57 | |||
58 | static int clk_div_set_rate(struct clk_hw *hw, unsigned long rate, | ||
59 | unsigned long parent_rate) | ||
60 | { | ||
61 | struct clk_div *div = to_clk_div(hw); | ||
62 | int ret; | ||
63 | |||
64 | ret = div->ops->set_rate(&div->divider.hw, rate, parent_rate); | ||
65 | if (!ret) | ||
66 | ret = mxs_clk_wait(div->reg, div->busy); | ||
67 | |||
68 | return ret; | ||
69 | } | ||
70 | |||
71 | static struct clk_ops clk_div_ops = { | ||
72 | .recalc_rate = clk_div_recalc_rate, | ||
73 | .round_rate = clk_div_round_rate, | ||
74 | .set_rate = clk_div_set_rate, | ||
75 | }; | ||
76 | |||
77 | struct clk *mxs_clk_div(const char *name, const char *parent_name, | ||
78 | void __iomem *reg, u8 shift, u8 width, u8 busy) | ||
79 | { | ||
80 | struct clk_div *div; | ||
81 | struct clk *clk; | ||
82 | struct clk_init_data init; | ||
83 | |||
84 | div = kzalloc(sizeof(*div), GFP_KERNEL); | ||
85 | if (!div) | ||
86 | return ERR_PTR(-ENOMEM); | ||
87 | |||
88 | init.name = name; | ||
89 | init.ops = &clk_div_ops; | ||
90 | init.flags = CLK_SET_RATE_PARENT; | ||
91 | init.parent_names = (parent_name ? &parent_name: NULL); | ||
92 | init.num_parents = (parent_name ? 1 : 0); | ||
93 | |||
94 | div->reg = reg; | ||
95 | div->busy = busy; | ||
96 | |||
97 | div->divider.reg = reg; | ||
98 | div->divider.shift = shift; | ||
99 | div->divider.width = width; | ||
100 | div->divider.flags = CLK_DIVIDER_ONE_BASED; | ||
101 | div->divider.lock = &mxs_lock; | ||
102 | div->divider.hw.init = &init; | ||
103 | div->ops = &clk_divider_ops; | ||
104 | |||
105 | clk = clk_register(NULL, &div->divider.hw); | ||
106 | if (IS_ERR(clk)) | ||
107 | kfree(div); | ||
108 | |||
109 | return clk; | ||
110 | } | ||
diff --git a/drivers/clk/mxs/clk-frac.c b/drivers/clk/mxs/clk-frac.c new file mode 100644 index 000000000000..e6aa6b567d68 --- /dev/null +++ b/drivers/clk/mxs/clk-frac.c | |||
@@ -0,0 +1,139 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * | ||
4 | * The code contained herein is licensed under the GNU General Public | ||
5 | * License. You may obtain a copy of the GNU General Public License | ||
6 | * Version 2 or later at the following locations: | ||
7 | * | ||
8 | * http://www.opensource.org/licenses/gpl-license.html | ||
9 | * http://www.gnu.org/copyleft/gpl.html | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk.h> | ||
13 | #include <linux/clk-provider.h> | ||
14 | #include <linux/err.h> | ||
15 | #include <linux/io.h> | ||
16 | #include <linux/slab.h> | ||
17 | #include "clk.h" | ||
18 | |||
19 | /** | ||
20 | * struct clk_frac - mxs fractional divider clock | ||
21 | * @hw: clk_hw for the fractional divider clock | ||
22 | * @reg: register address | ||
23 | * @shift: the divider bit shift | ||
24 | * @width: the divider bit width | ||
25 | * @busy: busy bit shift | ||
26 | * | ||
27 | * The clock is an adjustable fractional divider with a busy bit to wait | ||
28 | * when the divider is adjusted. | ||
29 | */ | ||
30 | struct clk_frac { | ||
31 | struct clk_hw hw; | ||
32 | void __iomem *reg; | ||
33 | u8 shift; | ||
34 | u8 width; | ||
35 | u8 busy; | ||
36 | }; | ||
37 | |||
38 | #define to_clk_frac(_hw) container_of(_hw, struct clk_frac, hw) | ||
39 | |||
40 | static unsigned long clk_frac_recalc_rate(struct clk_hw *hw, | ||
41 | unsigned long parent_rate) | ||
42 | { | ||
43 | struct clk_frac *frac = to_clk_frac(hw); | ||
44 | u32 div; | ||
45 | |||
46 | div = readl_relaxed(frac->reg) >> frac->shift; | ||
47 | div &= (1 << frac->width) - 1; | ||
48 | |||
49 | return (parent_rate >> frac->width) * div; | ||
50 | } | ||
51 | |||
52 | static long clk_frac_round_rate(struct clk_hw *hw, unsigned long rate, | ||
53 | unsigned long *prate) | ||
54 | { | ||
55 | struct clk_frac *frac = to_clk_frac(hw); | ||
56 | unsigned long parent_rate = *prate; | ||
57 | u32 div; | ||
58 | u64 tmp; | ||
59 | |||
60 | if (rate > parent_rate) | ||
61 | return -EINVAL; | ||
62 | |||
63 | tmp = rate; | ||
64 | tmp <<= frac->width; | ||
65 | do_div(tmp, parent_rate); | ||
66 | div = tmp; | ||
67 | |||
68 | if (!div) | ||
69 | return -EINVAL; | ||
70 | |||
71 | return (parent_rate >> frac->width) * div; | ||
72 | } | ||
73 | |||
74 | static int clk_frac_set_rate(struct clk_hw *hw, unsigned long rate, | ||
75 | unsigned long parent_rate) | ||
76 | { | ||
77 | struct clk_frac *frac = to_clk_frac(hw); | ||
78 | unsigned long flags; | ||
79 | u32 div, val; | ||
80 | u64 tmp; | ||
81 | |||
82 | if (rate > parent_rate) | ||
83 | return -EINVAL; | ||
84 | |||
85 | tmp = rate; | ||
86 | tmp <<= frac->width; | ||
87 | do_div(tmp, parent_rate); | ||
88 | div = tmp; | ||
89 | |||
90 | if (!div) | ||
91 | return -EINVAL; | ||
92 | |||
93 | spin_lock_irqsave(&mxs_lock, flags); | ||
94 | |||
95 | val = readl_relaxed(frac->reg); | ||
96 | val &= ~(((1 << frac->width) - 1) << frac->shift); | ||
97 | val |= div << frac->shift; | ||
98 | writel_relaxed(val, frac->reg); | ||
99 | |||
100 | spin_unlock_irqrestore(&mxs_lock, flags); | ||
101 | |||
102 | return mxs_clk_wait(frac->reg, frac->busy); | ||
103 | } | ||
104 | |||
105 | static struct clk_ops clk_frac_ops = { | ||
106 | .recalc_rate = clk_frac_recalc_rate, | ||
107 | .round_rate = clk_frac_round_rate, | ||
108 | .set_rate = clk_frac_set_rate, | ||
109 | }; | ||
110 | |||
111 | struct clk *mxs_clk_frac(const char *name, const char *parent_name, | ||
112 | void __iomem *reg, u8 shift, u8 width, u8 busy) | ||
113 | { | ||
114 | struct clk_frac *frac; | ||
115 | struct clk *clk; | ||
116 | struct clk_init_data init; | ||
117 | |||
118 | frac = kzalloc(sizeof(*frac), GFP_KERNEL); | ||
119 | if (!frac) | ||
120 | return ERR_PTR(-ENOMEM); | ||
121 | |||
122 | init.name = name; | ||
123 | init.ops = &clk_frac_ops; | ||
124 | init.flags = CLK_SET_RATE_PARENT; | ||
125 | init.parent_names = (parent_name ? &parent_name: NULL); | ||
126 | init.num_parents = (parent_name ? 1 : 0); | ||
127 | |||
128 | frac->reg = reg; | ||
129 | frac->shift = shift; | ||
130 | frac->width = width; | ||
131 | frac->busy = busy; | ||
132 | frac->hw.init = &init; | ||
133 | |||
134 | clk = clk_register(NULL, &frac->hw); | ||
135 | if (IS_ERR(clk)) | ||
136 | kfree(frac); | ||
137 | |||
138 | return clk; | ||
139 | } | ||
diff --git a/drivers/clk/mxs/clk-imx23.c b/drivers/clk/mxs/clk-imx23.c new file mode 100644 index 000000000000..dcae11285716 --- /dev/null +++ b/drivers/clk/mxs/clk-imx23.c | |||
@@ -0,0 +1,204 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * | ||
4 | * The code contained herein is licensed under the GNU General Public | ||
5 | * License. You may obtain a copy of the GNU General Public License | ||
6 | * Version 2 or later at the following locations: | ||
7 | * | ||
8 | * http://www.opensource.org/licenses/gpl-license.html | ||
9 | * http://www.gnu.org/copyleft/gpl.html | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk.h> | ||
13 | #include <linux/clkdev.h> | ||
14 | #include <linux/err.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <mach/common.h> | ||
18 | #include <mach/mx23.h> | ||
19 | #include "clk.h" | ||
20 | |||
21 | #define DIGCTRL MX23_IO_ADDRESS(MX23_DIGCTL_BASE_ADDR) | ||
22 | #define CLKCTRL MX23_IO_ADDRESS(MX23_CLKCTRL_BASE_ADDR) | ||
23 | #define PLLCTRL0 (CLKCTRL + 0x0000) | ||
24 | #define CPU (CLKCTRL + 0x0020) | ||
25 | #define HBUS (CLKCTRL + 0x0030) | ||
26 | #define XBUS (CLKCTRL + 0x0040) | ||
27 | #define XTAL (CLKCTRL + 0x0050) | ||
28 | #define PIX (CLKCTRL + 0x0060) | ||
29 | #define SSP (CLKCTRL + 0x0070) | ||
30 | #define GPMI (CLKCTRL + 0x0080) | ||
31 | #define SPDIF (CLKCTRL + 0x0090) | ||
32 | #define EMI (CLKCTRL + 0x00a0) | ||
33 | #define SAIF (CLKCTRL + 0x00c0) | ||
34 | #define TV (CLKCTRL + 0x00d0) | ||
35 | #define ETM (CLKCTRL + 0x00e0) | ||
36 | #define FRAC (CLKCTRL + 0x00f0) | ||
37 | #define CLKSEQ (CLKCTRL + 0x0110) | ||
38 | |||
39 | #define BP_CPU_INTERRUPT_WAIT 12 | ||
40 | #define BP_CLKSEQ_BYPASS_SAIF 0 | ||
41 | #define BP_CLKSEQ_BYPASS_SSP 5 | ||
42 | #define BP_SAIF_DIV_FRAC_EN 16 | ||
43 | #define BP_FRAC_IOFRAC 24 | ||
44 | |||
45 | static void __init clk_misc_init(void) | ||
46 | { | ||
47 | u32 val; | ||
48 | |||
49 | /* Gate off cpu clock in WFI for power saving */ | ||
50 | __mxs_setl(1 << BP_CPU_INTERRUPT_WAIT, CPU); | ||
51 | |||
52 | /* Clear BYPASS for SAIF */ | ||
53 | __mxs_clrl(1 << BP_CLKSEQ_BYPASS_SAIF, CLKSEQ); | ||
54 | |||
55 | /* SAIF has to use frac div for functional operation */ | ||
56 | val = readl_relaxed(SAIF); | ||
57 | val |= 1 << BP_SAIF_DIV_FRAC_EN; | ||
58 | writel_relaxed(val, SAIF); | ||
59 | |||
60 | /* | ||
61 | * Source ssp clock from ref_io than ref_xtal, | ||
62 | * as ref_xtal only provides 24 MHz as maximum. | ||
63 | */ | ||
64 | __mxs_clrl(1 << BP_CLKSEQ_BYPASS_SSP, CLKSEQ); | ||
65 | |||
66 | /* | ||
67 | * 480 MHz seems too high to be ssp clock source directly, | ||
68 | * so set frac to get a 288 MHz ref_io. | ||
69 | */ | ||
70 | __mxs_clrl(0x3f << BP_FRAC_IOFRAC, FRAC); | ||
71 | __mxs_setl(30 << BP_FRAC_IOFRAC, FRAC); | ||
72 | } | ||
73 | |||
74 | static struct clk_lookup uart_lookups[] __initdata = { | ||
75 | { .dev_id = "duart", }, | ||
76 | { .dev_id = "mxs-auart.0", }, | ||
77 | { .dev_id = "mxs-auart.1", }, | ||
78 | { .dev_id = "8006c000.serial", }, | ||
79 | { .dev_id = "8006e000.serial", }, | ||
80 | { .dev_id = "80070000.serial", }, | ||
81 | }; | ||
82 | |||
83 | static struct clk_lookup hbus_lookups[] __initdata = { | ||
84 | { .dev_id = "mxs-dma-apbh", }, | ||
85 | { .dev_id = "80004000.dma-apbh", }, | ||
86 | }; | ||
87 | |||
88 | static struct clk_lookup xbus_lookups[] __initdata = { | ||
89 | { .dev_id = "duart", .con_id = "apb_pclk"}, | ||
90 | { .dev_id = "mxs-dma-apbx", }, | ||
91 | { .dev_id = "80024000.dma-apbx", }, | ||
92 | }; | ||
93 | |||
94 | static struct clk_lookup ssp_lookups[] __initdata = { | ||
95 | { .dev_id = "mxs-mmc.0", }, | ||
96 | { .dev_id = "mxs-mmc.1", }, | ||
97 | { .dev_id = "80010000.ssp", }, | ||
98 | { .dev_id = "80034000.ssp", }, | ||
99 | }; | ||
100 | |||
101 | static struct clk_lookup lcdif_lookups[] __initdata = { | ||
102 | { .dev_id = "imx23-fb", }, | ||
103 | { .dev_id = "80030000.lcdif", }, | ||
104 | }; | ||
105 | |||
106 | static struct clk_lookup gpmi_lookups[] __initdata = { | ||
107 | { .dev_id = "imx23-gpmi-nand", }, | ||
108 | { .dev_id = "8000c000.gpmi", }, | ||
109 | }; | ||
110 | |||
111 | static const char *sel_pll[] __initconst = { "pll", "ref_xtal", }; | ||
112 | static const char *sel_cpu[] __initconst = { "ref_cpu", "ref_xtal", }; | ||
113 | static const char *sel_pix[] __initconst = { "ref_pix", "ref_xtal", }; | ||
114 | static const char *sel_io[] __initconst = { "ref_io", "ref_xtal", }; | ||
115 | static const char *cpu_sels[] __initconst = { "cpu_pll", "cpu_xtal", }; | ||
116 | static const char *emi_sels[] __initconst = { "emi_pll", "emi_xtal", }; | ||
117 | |||
118 | enum imx23_clk { | ||
119 | ref_xtal, pll, ref_cpu, ref_emi, ref_pix, ref_io, saif_sel, | ||
120 | lcdif_sel, gpmi_sel, ssp_sel, emi_sel, cpu, etm_sel, cpu_pll, | ||
121 | cpu_xtal, hbus, xbus, lcdif_div, ssp_div, gpmi_div, emi_pll, | ||
122 | emi_xtal, etm_div, saif_div, clk32k_div, rtc, adc, spdif_div, | ||
123 | clk32k, dri, pwm, filt, uart, ssp, gpmi, spdif, emi, saif, | ||
124 | lcdif, etm, usb, usb_pwr, | ||
125 | clk_max | ||
126 | }; | ||
127 | |||
128 | static struct clk *clks[clk_max]; | ||
129 | |||
130 | static enum imx23_clk clks_init_on[] __initdata = { | ||
131 | cpu, hbus, xbus, emi, uart, | ||
132 | }; | ||
133 | |||
134 | int __init mx23_clocks_init(void) | ||
135 | { | ||
136 | int i; | ||
137 | |||
138 | clk_misc_init(); | ||
139 | |||
140 | clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000); | ||
141 | clks[pll] = mxs_clk_pll("pll", "ref_xtal", PLLCTRL0, 16, 480000000); | ||
142 | clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll", FRAC, 0); | ||
143 | clks[ref_emi] = mxs_clk_ref("ref_emi", "pll", FRAC, 1); | ||
144 | clks[ref_pix] = mxs_clk_ref("ref_pix", "pll", FRAC, 2); | ||
145 | clks[ref_io] = mxs_clk_ref("ref_io", "pll", FRAC, 3); | ||
146 | clks[saif_sel] = mxs_clk_mux("saif_sel", CLKSEQ, 0, 1, sel_pll, ARRAY_SIZE(sel_pll)); | ||
147 | clks[lcdif_sel] = mxs_clk_mux("lcdif_sel", CLKSEQ, 1, 1, sel_pix, ARRAY_SIZE(sel_pix)); | ||
148 | clks[gpmi_sel] = mxs_clk_mux("gpmi_sel", CLKSEQ, 4, 1, sel_io, ARRAY_SIZE(sel_io)); | ||
149 | clks[ssp_sel] = mxs_clk_mux("ssp_sel", CLKSEQ, 5, 1, sel_io, ARRAY_SIZE(sel_io)); | ||
150 | clks[emi_sel] = mxs_clk_mux("emi_sel", CLKSEQ, 6, 1, emi_sels, ARRAY_SIZE(emi_sels)); | ||
151 | clks[cpu] = mxs_clk_mux("cpu", CLKSEQ, 7, 1, cpu_sels, ARRAY_SIZE(cpu_sels)); | ||
152 | clks[etm_sel] = mxs_clk_mux("etm_sel", CLKSEQ, 8, 1, sel_cpu, ARRAY_SIZE(sel_cpu)); | ||
153 | clks[cpu_pll] = mxs_clk_div("cpu_pll", "ref_cpu", CPU, 0, 6, 28); | ||
154 | clks[cpu_xtal] = mxs_clk_div("cpu_xtal", "ref_xtal", CPU, 16, 10, 29); | ||
155 | clks[hbus] = mxs_clk_div("hbus", "cpu", HBUS, 0, 5, 29); | ||
156 | clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31); | ||
157 | clks[lcdif_div] = mxs_clk_div("lcdif_div", "lcdif_sel", PIX, 0, 12, 29); | ||
158 | clks[ssp_div] = mxs_clk_div("ssp_div", "ssp_sel", SSP, 0, 9, 29); | ||
159 | clks[gpmi_div] = mxs_clk_div("gpmi_div", "gpmi_sel", GPMI, 0, 10, 29); | ||
160 | clks[emi_pll] = mxs_clk_div("emi_pll", "ref_emi", EMI, 0, 6, 28); | ||
161 | clks[emi_xtal] = mxs_clk_div("emi_xtal", "ref_xtal", EMI, 8, 4, 29); | ||
162 | clks[etm_div] = mxs_clk_div("etm_div", "etm_sel", ETM, 0, 6, 29); | ||
163 | clks[saif_div] = mxs_clk_frac("saif_div", "saif_sel", SAIF, 0, 16, 29); | ||
164 | clks[clk32k_div] = mxs_clk_fixed_factor("clk32k_div", "ref_xtal", 1, 750); | ||
165 | clks[rtc] = mxs_clk_fixed_factor("rtc", "ref_xtal", 1, 768); | ||
166 | clks[adc] = mxs_clk_fixed_factor("adc", "clk32k", 1, 16); | ||
167 | clks[spdif_div] = mxs_clk_fixed_factor("spdif_div", "pll", 1, 4); | ||
168 | clks[clk32k] = mxs_clk_gate("clk32k", "clk32k_div", XTAL, 26); | ||
169 | clks[dri] = mxs_clk_gate("dri", "ref_xtal", XTAL, 28); | ||
170 | clks[pwm] = mxs_clk_gate("pwm", "ref_xtal", XTAL, 29); | ||
171 | clks[filt] = mxs_clk_gate("filt", "ref_xtal", XTAL, 30); | ||
172 | clks[uart] = mxs_clk_gate("uart", "ref_xtal", XTAL, 31); | ||
173 | clks[ssp] = mxs_clk_gate("ssp", "ssp_div", SSP, 31); | ||
174 | clks[gpmi] = mxs_clk_gate("gpmi", "gpmi_div", GPMI, 31); | ||
175 | clks[spdif] = mxs_clk_gate("spdif", "spdif_div", SPDIF, 31); | ||
176 | clks[emi] = mxs_clk_gate("emi", "emi_sel", EMI, 31); | ||
177 | clks[saif] = mxs_clk_gate("saif", "saif_div", SAIF, 31); | ||
178 | clks[lcdif] = mxs_clk_gate("lcdif", "lcdif_div", PIX, 31); | ||
179 | clks[etm] = mxs_clk_gate("etm", "etm_div", ETM, 31); | ||
180 | clks[usb] = mxs_clk_gate("usb", "usb_pwr", DIGCTRL, 2); | ||
181 | clks[usb_pwr] = clk_register_gate(NULL, "usb_pwr", "pll", 0, PLLCTRL0, 18, 0, &mxs_lock); | ||
182 | |||
183 | for (i = 0; i < ARRAY_SIZE(clks); i++) | ||
184 | if (IS_ERR(clks[i])) { | ||
185 | pr_err("i.MX23 clk %d: register failed with %ld\n", | ||
186 | i, PTR_ERR(clks[i])); | ||
187 | return PTR_ERR(clks[i]); | ||
188 | } | ||
189 | |||
190 | clk_register_clkdev(clks[clk32k], NULL, "timrot"); | ||
191 | clk_register_clkdevs(clks[hbus], hbus_lookups, ARRAY_SIZE(hbus_lookups)); | ||
192 | clk_register_clkdevs(clks[xbus], xbus_lookups, ARRAY_SIZE(xbus_lookups)); | ||
193 | clk_register_clkdevs(clks[uart], uart_lookups, ARRAY_SIZE(uart_lookups)); | ||
194 | clk_register_clkdevs(clks[ssp], ssp_lookups, ARRAY_SIZE(ssp_lookups)); | ||
195 | clk_register_clkdevs(clks[gpmi], gpmi_lookups, ARRAY_SIZE(gpmi_lookups)); | ||
196 | clk_register_clkdevs(clks[lcdif], lcdif_lookups, ARRAY_SIZE(lcdif_lookups)); | ||
197 | |||
198 | for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) | ||
199 | clk_prepare_enable(clks[clks_init_on[i]]); | ||
200 | |||
201 | mxs_timer_init(MX23_INT_TIMER0); | ||
202 | |||
203 | return 0; | ||
204 | } | ||
diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c new file mode 100644 index 000000000000..b2a3257d4f66 --- /dev/null +++ b/drivers/clk/mxs/clk-imx28.c | |||
@@ -0,0 +1,337 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * | ||
4 | * The code contained herein is licensed under the GNU General Public | ||
5 | * License. You may obtain a copy of the GNU General Public License | ||
6 | * Version 2 or later at the following locations: | ||
7 | * | ||
8 | * http://www.opensource.org/licenses/gpl-license.html | ||
9 | * http://www.gnu.org/copyleft/gpl.html | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk.h> | ||
13 | #include <linux/clkdev.h> | ||
14 | #include <linux/err.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <mach/common.h> | ||
18 | #include <mach/mx28.h> | ||
19 | #include "clk.h" | ||
20 | |||
21 | #define CLKCTRL MX28_IO_ADDRESS(MX28_CLKCTRL_BASE_ADDR) | ||
22 | #define PLL0CTRL0 (CLKCTRL + 0x0000) | ||
23 | #define PLL1CTRL0 (CLKCTRL + 0x0020) | ||
24 | #define PLL2CTRL0 (CLKCTRL + 0x0040) | ||
25 | #define CPU (CLKCTRL + 0x0050) | ||
26 | #define HBUS (CLKCTRL + 0x0060) | ||
27 | #define XBUS (CLKCTRL + 0x0070) | ||
28 | #define XTAL (CLKCTRL + 0x0080) | ||
29 | #define SSP0 (CLKCTRL + 0x0090) | ||
30 | #define SSP1 (CLKCTRL + 0x00a0) | ||
31 | #define SSP2 (CLKCTRL + 0x00b0) | ||
32 | #define SSP3 (CLKCTRL + 0x00c0) | ||
33 | #define GPMI (CLKCTRL + 0x00d0) | ||
34 | #define SPDIF (CLKCTRL + 0x00e0) | ||
35 | #define EMI (CLKCTRL + 0x00f0) | ||
36 | #define SAIF0 (CLKCTRL + 0x0100) | ||
37 | #define SAIF1 (CLKCTRL + 0x0110) | ||
38 | #define LCDIF (CLKCTRL + 0x0120) | ||
39 | #define ETM (CLKCTRL + 0x0130) | ||
40 | #define ENET (CLKCTRL + 0x0140) | ||
41 | #define FLEXCAN (CLKCTRL + 0x0160) | ||
42 | #define FRAC0 (CLKCTRL + 0x01b0) | ||
43 | #define FRAC1 (CLKCTRL + 0x01c0) | ||
44 | #define CLKSEQ (CLKCTRL + 0x01d0) | ||
45 | |||
46 | #define BP_CPU_INTERRUPT_WAIT 12 | ||
47 | #define BP_SAIF_DIV_FRAC_EN 16 | ||
48 | #define BP_ENET_DIV_TIME 21 | ||
49 | #define BP_ENET_SLEEP 31 | ||
50 | #define BP_CLKSEQ_BYPASS_SAIF0 0 | ||
51 | #define BP_CLKSEQ_BYPASS_SSP0 3 | ||
52 | #define BP_FRAC0_IO1FRAC 16 | ||
53 | #define BP_FRAC0_IO0FRAC 24 | ||
54 | |||
55 | #define DIGCTRL MX28_IO_ADDRESS(MX28_DIGCTL_BASE_ADDR) | ||
56 | #define BP_SAIF_CLKMUX 10 | ||
57 | |||
58 | /* | ||
59 | * HW_SAIF_CLKMUX_SEL: | ||
60 | * DIRECT(0x0): SAIF0 clock pins selected for SAIF0 input clocks, and SAIF1 | ||
61 | * clock pins selected for SAIF1 input clocks. | ||
62 | * CROSSINPUT(0x1): SAIF1 clock inputs selected for SAIF0 input clocks, and | ||
63 | * SAIF0 clock inputs selected for SAIF1 input clocks. | ||
64 | * EXTMSTR0(0x2): SAIF0 clock pin selected for both SAIF0 and SAIF1 input | ||
65 | * clocks. | ||
66 | * EXTMSTR1(0x3): SAIF1 clock pin selected for both SAIF0 and SAIF1 input | ||
67 | * clocks. | ||
68 | */ | ||
69 | int mxs_saif_clkmux_select(unsigned int clkmux) | ||
70 | { | ||
71 | if (clkmux > 0x3) | ||
72 | return -EINVAL; | ||
73 | |||
74 | __mxs_clrl(0x3 << BP_SAIF_CLKMUX, DIGCTRL); | ||
75 | __mxs_setl(clkmux << BP_SAIF_CLKMUX, DIGCTRL); | ||
76 | |||
77 | return 0; | ||
78 | } | ||
79 | |||
80 | static void __init clk_misc_init(void) | ||
81 | { | ||
82 | u32 val; | ||
83 | |||
84 | /* Gate off cpu clock in WFI for power saving */ | ||
85 | __mxs_setl(1 << BP_CPU_INTERRUPT_WAIT, CPU); | ||
86 | |||
87 | /* 0 is a bad default value for a divider */ | ||
88 | __mxs_setl(1 << BP_ENET_DIV_TIME, ENET); | ||
89 | |||
90 | /* Clear BYPASS for SAIF */ | ||
91 | __mxs_clrl(0x3 << BP_CLKSEQ_BYPASS_SAIF0, CLKSEQ); | ||
92 | |||
93 | /* SAIF has to use frac div for functional operation */ | ||
94 | val = readl_relaxed(SAIF0); | ||
95 | val |= 1 << BP_SAIF_DIV_FRAC_EN; | ||
96 | writel_relaxed(val, SAIF0); | ||
97 | |||
98 | val = readl_relaxed(SAIF1); | ||
99 | val |= 1 << BP_SAIF_DIV_FRAC_EN; | ||
100 | writel_relaxed(val, SAIF1); | ||
101 | |||
102 | /* Extra fec clock setting */ | ||
103 | val = readl_relaxed(ENET); | ||
104 | val &= ~(1 << BP_ENET_SLEEP); | ||
105 | writel_relaxed(val, ENET); | ||
106 | |||
107 | /* | ||
108 | * Source ssp clock from ref_io than ref_xtal, | ||
109 | * as ref_xtal only provides 24 MHz as maximum. | ||
110 | */ | ||
111 | __mxs_clrl(0xf << BP_CLKSEQ_BYPASS_SSP0, CLKSEQ); | ||
112 | |||
113 | /* | ||
114 | * 480 MHz seems too high to be ssp clock source directly, | ||
115 | * so set frac0 to get a 288 MHz ref_io0. | ||
116 | */ | ||
117 | val = readl_relaxed(FRAC0); | ||
118 | val &= ~(0x3f << BP_FRAC0_IO0FRAC); | ||
119 | val |= 30 << BP_FRAC0_IO0FRAC; | ||
120 | writel_relaxed(val, FRAC0); | ||
121 | } | ||
122 | |||
123 | static struct clk_lookup uart_lookups[] __initdata = { | ||
124 | { .dev_id = "duart", }, | ||
125 | { .dev_id = "mxs-auart.0", }, | ||
126 | { .dev_id = "mxs-auart.1", }, | ||
127 | { .dev_id = "mxs-auart.2", }, | ||
128 | { .dev_id = "mxs-auart.3", }, | ||
129 | { .dev_id = "mxs-auart.4", }, | ||
130 | { .dev_id = "8006a000.serial", }, | ||
131 | { .dev_id = "8006c000.serial", }, | ||
132 | { .dev_id = "8006e000.serial", }, | ||
133 | { .dev_id = "80070000.serial", }, | ||
134 | { .dev_id = "80072000.serial", }, | ||
135 | { .dev_id = "80074000.serial", }, | ||
136 | }; | ||
137 | |||
138 | static struct clk_lookup hbus_lookups[] __initdata = { | ||
139 | { .dev_id = "mxs-dma-apbh", }, | ||
140 | { .dev_id = "80004000.dma-apbh", }, | ||
141 | }; | ||
142 | |||
143 | static struct clk_lookup xbus_lookups[] __initdata = { | ||
144 | { .dev_id = "duart", .con_id = "apb_pclk"}, | ||
145 | { .dev_id = "mxs-dma-apbx", }, | ||
146 | { .dev_id = "80024000.dma-apbx", }, | ||
147 | }; | ||
148 | |||
149 | static struct clk_lookup ssp0_lookups[] __initdata = { | ||
150 | { .dev_id = "mxs-mmc.0", }, | ||
151 | { .dev_id = "80010000.ssp", }, | ||
152 | }; | ||
153 | |||
154 | static struct clk_lookup ssp1_lookups[] __initdata = { | ||
155 | { .dev_id = "mxs-mmc.1", }, | ||
156 | { .dev_id = "80012000.ssp", }, | ||
157 | }; | ||
158 | |||
159 | static struct clk_lookup ssp2_lookups[] __initdata = { | ||
160 | { .dev_id = "mxs-mmc.2", }, | ||
161 | { .dev_id = "80014000.ssp", }, | ||
162 | }; | ||
163 | |||
164 | static struct clk_lookup ssp3_lookups[] __initdata = { | ||
165 | { .dev_id = "mxs-mmc.3", }, | ||
166 | { .dev_id = "80016000.ssp", }, | ||
167 | }; | ||
168 | |||
169 | static struct clk_lookup lcdif_lookups[] __initdata = { | ||
170 | { .dev_id = "imx28-fb", }, | ||
171 | { .dev_id = "80030000.lcdif", }, | ||
172 | }; | ||
173 | |||
174 | static struct clk_lookup gpmi_lookups[] __initdata = { | ||
175 | { .dev_id = "imx28-gpmi-nand", }, | ||
176 | { .dev_id = "8000c000.gpmi", }, | ||
177 | }; | ||
178 | |||
179 | static struct clk_lookup fec_lookups[] __initdata = { | ||
180 | { .dev_id = "imx28-fec.0", }, | ||
181 | { .dev_id = "imx28-fec.1", }, | ||
182 | { .dev_id = "800f0000.ethernet", }, | ||
183 | { .dev_id = "800f4000.ethernet", }, | ||
184 | }; | ||
185 | |||
186 | static struct clk_lookup can0_lookups[] __initdata = { | ||
187 | { .dev_id = "flexcan.0", }, | ||
188 | { .dev_id = "80032000.can", }, | ||
189 | }; | ||
190 | |||
191 | static struct clk_lookup can1_lookups[] __initdata = { | ||
192 | { .dev_id = "flexcan.1", }, | ||
193 | { .dev_id = "80034000.can", }, | ||
194 | }; | ||
195 | |||
196 | static struct clk_lookup saif0_lookups[] __initdata = { | ||
197 | { .dev_id = "mxs-saif.0", }, | ||
198 | { .dev_id = "80042000.saif", }, | ||
199 | }; | ||
200 | |||
201 | static struct clk_lookup saif1_lookups[] __initdata = { | ||
202 | { .dev_id = "mxs-saif.1", }, | ||
203 | { .dev_id = "80046000.saif", }, | ||
204 | }; | ||
205 | |||
206 | static const char *sel_cpu[] __initconst = { "ref_cpu", "ref_xtal", }; | ||
207 | static const char *sel_io0[] __initconst = { "ref_io0", "ref_xtal", }; | ||
208 | static const char *sel_io1[] __initconst = { "ref_io1", "ref_xtal", }; | ||
209 | static const char *sel_pix[] __initconst = { "ref_pix", "ref_xtal", }; | ||
210 | static const char *sel_gpmi[] __initconst = { "ref_gpmi", "ref_xtal", }; | ||
211 | static const char *sel_pll0[] __initconst = { "pll0", "ref_xtal", }; | ||
212 | static const char *cpu_sels[] __initconst = { "cpu_pll", "cpu_xtal", }; | ||
213 | static const char *emi_sels[] __initconst = { "emi_pll", "emi_xtal", }; | ||
214 | static const char *ptp_sels[] __initconst = { "ref_xtal", "pll0", }; | ||
215 | |||
216 | enum imx28_clk { | ||
217 | ref_xtal, pll0, pll1, pll2, ref_cpu, ref_emi, ref_io0, ref_io1, | ||
218 | ref_pix, ref_hsadc, ref_gpmi, saif0_sel, saif1_sel, gpmi_sel, | ||
219 | ssp0_sel, ssp1_sel, ssp2_sel, ssp3_sel, emi_sel, etm_sel, | ||
220 | lcdif_sel, cpu, ptp_sel, cpu_pll, cpu_xtal, hbus, xbus, | ||
221 | ssp0_div, ssp1_div, ssp2_div, ssp3_div, gpmi_div, emi_pll, | ||
222 | emi_xtal, lcdif_div, etm_div, ptp, saif0_div, saif1_div, | ||
223 | clk32k_div, rtc, lradc, spdif_div, clk32k, pwm, uart, ssp0, | ||
224 | ssp1, ssp2, ssp3, gpmi, spdif, emi, saif0, saif1, lcdif, etm, | ||
225 | fec, can0, can1, usb0, usb1, usb0_pwr, usb1_pwr, enet_out, | ||
226 | clk_max | ||
227 | }; | ||
228 | |||
229 | static struct clk *clks[clk_max]; | ||
230 | |||
231 | static enum imx28_clk clks_init_on[] __initdata = { | ||
232 | cpu, hbus, xbus, emi, uart, | ||
233 | }; | ||
234 | |||
235 | int __init mx28_clocks_init(void) | ||
236 | { | ||
237 | int i; | ||
238 | |||
239 | clk_misc_init(); | ||
240 | |||
241 | clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000); | ||
242 | clks[pll0] = mxs_clk_pll("pll0", "ref_xtal", PLL0CTRL0, 17, 480000000); | ||
243 | clks[pll1] = mxs_clk_pll("pll1", "ref_xtal", PLL1CTRL0, 17, 480000000); | ||
244 | clks[pll2] = mxs_clk_pll("pll2", "ref_xtal", PLL2CTRL0, 23, 50000000); | ||
245 | clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll0", FRAC0, 0); | ||
246 | clks[ref_emi] = mxs_clk_ref("ref_emi", "pll0", FRAC0, 1); | ||
247 | clks[ref_io0] = mxs_clk_ref("ref_io0", "pll0", FRAC0, 2); | ||
248 | clks[ref_io1] = mxs_clk_ref("ref_io1", "pll0", FRAC0, 3); | ||
249 | clks[ref_pix] = mxs_clk_ref("ref_pix", "pll0", FRAC1, 0); | ||
250 | clks[ref_hsadc] = mxs_clk_ref("ref_hsadc", "pll0", FRAC1, 1); | ||
251 | clks[ref_gpmi] = mxs_clk_ref("ref_gpmi", "pll0", FRAC1, 2); | ||
252 | clks[saif0_sel] = mxs_clk_mux("saif0_sel", CLKSEQ, 0, 1, sel_pll0, ARRAY_SIZE(sel_pll0)); | ||
253 | clks[saif1_sel] = mxs_clk_mux("saif1_sel", CLKSEQ, 1, 1, sel_pll0, ARRAY_SIZE(sel_pll0)); | ||
254 | clks[gpmi_sel] = mxs_clk_mux("gpmi_sel", CLKSEQ, 2, 1, sel_gpmi, ARRAY_SIZE(sel_gpmi)); | ||
255 | clks[ssp0_sel] = mxs_clk_mux("ssp0_sel", CLKSEQ, 3, 1, sel_io0, ARRAY_SIZE(sel_io0)); | ||
256 | clks[ssp1_sel] = mxs_clk_mux("ssp1_sel", CLKSEQ, 4, 1, sel_io0, ARRAY_SIZE(sel_io0)); | ||
257 | clks[ssp2_sel] = mxs_clk_mux("ssp2_sel", CLKSEQ, 5, 1, sel_io1, ARRAY_SIZE(sel_io1)); | ||
258 | clks[ssp3_sel] = mxs_clk_mux("ssp3_sel", CLKSEQ, 6, 1, sel_io1, ARRAY_SIZE(sel_io1)); | ||
259 | clks[emi_sel] = mxs_clk_mux("emi_sel", CLKSEQ, 7, 1, emi_sels, ARRAY_SIZE(emi_sels)); | ||
260 | clks[etm_sel] = mxs_clk_mux("etm_sel", CLKSEQ, 8, 1, sel_cpu, ARRAY_SIZE(sel_cpu)); | ||
261 | clks[lcdif_sel] = mxs_clk_mux("lcdif_sel", CLKSEQ, 14, 1, sel_pix, ARRAY_SIZE(sel_pix)); | ||
262 | clks[cpu] = mxs_clk_mux("cpu", CLKSEQ, 18, 1, cpu_sels, ARRAY_SIZE(cpu_sels)); | ||
263 | clks[ptp_sel] = mxs_clk_mux("ptp_sel", ENET, 19, 1, ptp_sels, ARRAY_SIZE(ptp_sels)); | ||
264 | clks[cpu_pll] = mxs_clk_div("cpu_pll", "ref_cpu", CPU, 0, 6, 28); | ||
265 | clks[cpu_xtal] = mxs_clk_div("cpu_xtal", "ref_xtal", CPU, 16, 10, 29); | ||
266 | clks[hbus] = mxs_clk_div("hbus", "cpu", HBUS, 0, 5, 31); | ||
267 | clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31); | ||
268 | clks[ssp0_div] = mxs_clk_div("ssp0_div", "ssp0_sel", SSP0, 0, 9, 29); | ||
269 | clks[ssp1_div] = mxs_clk_div("ssp1_div", "ssp1_sel", SSP1, 0, 9, 29); | ||
270 | clks[ssp2_div] = mxs_clk_div("ssp2_div", "ssp2_sel", SSP2, 0, 9, 29); | ||
271 | clks[ssp3_div] = mxs_clk_div("ssp3_div", "ssp3_sel", SSP3, 0, 9, 29); | ||
272 | clks[gpmi_div] = mxs_clk_div("gpmi_div", "gpmi_sel", GPMI, 0, 10, 29); | ||
273 | clks[emi_pll] = mxs_clk_div("emi_pll", "ref_emi", EMI, 0, 6, 28); | ||
274 | clks[emi_xtal] = mxs_clk_div("emi_xtal", "ref_xtal", EMI, 8, 4, 29); | ||
275 | clks[lcdif_div] = mxs_clk_div("lcdif_div", "lcdif_sel", LCDIF, 0, 13, 29); | ||
276 | clks[etm_div] = mxs_clk_div("etm_div", "etm_sel", ETM, 0, 7, 29); | ||
277 | clks[ptp] = mxs_clk_div("ptp", "ptp_sel", ENET, 21, 6, 27); | ||
278 | clks[saif0_div] = mxs_clk_frac("saif0_div", "saif0_sel", SAIF0, 0, 16, 29); | ||
279 | clks[saif1_div] = mxs_clk_frac("saif1_div", "saif1_sel", SAIF1, 0, 16, 29); | ||
280 | clks[clk32k_div] = mxs_clk_fixed_factor("clk32k_div", "ref_xtal", 1, 750); | ||
281 | clks[rtc] = mxs_clk_fixed_factor("rtc", "ref_xtal", 1, 768); | ||
282 | clks[lradc] = mxs_clk_fixed_factor("lradc", "clk32k", 1, 16); | ||
283 | clks[spdif_div] = mxs_clk_fixed_factor("spdif_div", "pll0", 1, 4); | ||
284 | clks[clk32k] = mxs_clk_gate("clk32k", "clk32k_div", XTAL, 26); | ||
285 | clks[pwm] = mxs_clk_gate("pwm", "ref_xtal", XTAL, 29); | ||
286 | clks[uart] = mxs_clk_gate("uart", "ref_xtal", XTAL, 31); | ||
287 | clks[ssp0] = mxs_clk_gate("ssp0", "ssp0_div", SSP0, 31); | ||
288 | clks[ssp1] = mxs_clk_gate("ssp1", "ssp1_div", SSP1, 31); | ||
289 | clks[ssp2] = mxs_clk_gate("ssp2", "ssp2_div", SSP2, 31); | ||
290 | clks[ssp3] = mxs_clk_gate("ssp3", "ssp3_div", SSP3, 31); | ||
291 | clks[gpmi] = mxs_clk_gate("gpmi", "gpmi_div", GPMI, 31); | ||
292 | clks[spdif] = mxs_clk_gate("spdif", "spdif_div", SPDIF, 31); | ||
293 | clks[emi] = mxs_clk_gate("emi", "emi_sel", EMI, 31); | ||
294 | clks[saif0] = mxs_clk_gate("saif0", "saif0_div", SAIF0, 31); | ||
295 | clks[saif1] = mxs_clk_gate("saif1", "saif1_div", SAIF1, 31); | ||
296 | clks[lcdif] = mxs_clk_gate("lcdif", "lcdif_div", LCDIF, 31); | ||
297 | clks[etm] = mxs_clk_gate("etm", "etm_div", ETM, 31); | ||
298 | clks[fec] = mxs_clk_gate("fec", "hbus", ENET, 30); | ||
299 | clks[can0] = mxs_clk_gate("can0", "ref_xtal", FLEXCAN, 30); | ||
300 | clks[can1] = mxs_clk_gate("can1", "ref_xtal", FLEXCAN, 28); | ||
301 | clks[usb0] = mxs_clk_gate("usb0", "usb0_pwr", DIGCTRL, 2); | ||
302 | clks[usb1] = mxs_clk_gate("usb1", "usb1_pwr", DIGCTRL, 16); | ||
303 | clks[usb0_pwr] = clk_register_gate(NULL, "usb0_pwr", "pll0", 0, PLL0CTRL0, 18, 0, &mxs_lock); | ||
304 | clks[usb1_pwr] = clk_register_gate(NULL, "usb1_pwr", "pll1", 0, PLL1CTRL0, 18, 0, &mxs_lock); | ||
305 | clks[enet_out] = clk_register_gate(NULL, "enet_out", "pll2", 0, ENET, 18, 0, &mxs_lock); | ||
306 | |||
307 | for (i = 0; i < ARRAY_SIZE(clks); i++) | ||
308 | if (IS_ERR(clks[i])) { | ||
309 | pr_err("i.MX28 clk %d: register failed with %ld\n", | ||
310 | i, PTR_ERR(clks[i])); | ||
311 | return PTR_ERR(clks[i]); | ||
312 | } | ||
313 | |||
314 | clk_register_clkdev(clks[clk32k], NULL, "timrot"); | ||
315 | clk_register_clkdev(clks[enet_out], NULL, "enet_out"); | ||
316 | clk_register_clkdevs(clks[hbus], hbus_lookups, ARRAY_SIZE(hbus_lookups)); | ||
317 | clk_register_clkdevs(clks[xbus], xbus_lookups, ARRAY_SIZE(xbus_lookups)); | ||
318 | clk_register_clkdevs(clks[uart], uart_lookups, ARRAY_SIZE(uart_lookups)); | ||
319 | clk_register_clkdevs(clks[ssp0], ssp0_lookups, ARRAY_SIZE(ssp0_lookups)); | ||
320 | clk_register_clkdevs(clks[ssp1], ssp1_lookups, ARRAY_SIZE(ssp1_lookups)); | ||
321 | clk_register_clkdevs(clks[ssp2], ssp2_lookups, ARRAY_SIZE(ssp2_lookups)); | ||
322 | clk_register_clkdevs(clks[ssp3], ssp3_lookups, ARRAY_SIZE(ssp3_lookups)); | ||
323 | clk_register_clkdevs(clks[gpmi], gpmi_lookups, ARRAY_SIZE(gpmi_lookups)); | ||
324 | clk_register_clkdevs(clks[saif0], saif0_lookups, ARRAY_SIZE(saif0_lookups)); | ||
325 | clk_register_clkdevs(clks[saif1], saif1_lookups, ARRAY_SIZE(saif1_lookups)); | ||
326 | clk_register_clkdevs(clks[lcdif], lcdif_lookups, ARRAY_SIZE(lcdif_lookups)); | ||
327 | clk_register_clkdevs(clks[fec], fec_lookups, ARRAY_SIZE(fec_lookups)); | ||
328 | clk_register_clkdevs(clks[can0], can0_lookups, ARRAY_SIZE(can0_lookups)); | ||
329 | clk_register_clkdevs(clks[can1], can1_lookups, ARRAY_SIZE(can1_lookups)); | ||
330 | |||
331 | for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) | ||
332 | clk_prepare_enable(clks[clks_init_on[i]]); | ||
333 | |||
334 | mxs_timer_init(MX28_INT_TIMER0); | ||
335 | |||
336 | return 0; | ||
337 | } | ||
diff --git a/drivers/clk/mxs/clk-pll.c b/drivers/clk/mxs/clk-pll.c new file mode 100644 index 000000000000..fadae41833ec --- /dev/null +++ b/drivers/clk/mxs/clk-pll.c | |||
@@ -0,0 +1,116 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * | ||
4 | * The code contained herein is licensed under the GNU General Public | ||
5 | * License. You may obtain a copy of the GNU General Public License | ||
6 | * Version 2 or later at the following locations: | ||
7 | * | ||
8 | * http://www.opensource.org/licenses/gpl-license.html | ||
9 | * http://www.gnu.org/copyleft/gpl.html | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk.h> | ||
13 | #include <linux/clk-provider.h> | ||
14 | #include <linux/delay.h> | ||
15 | #include <linux/err.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <linux/slab.h> | ||
18 | #include "clk.h" | ||
19 | |||
20 | /** | ||
21 | * struct clk_pll - mxs pll clock | ||
22 | * @hw: clk_hw for the pll | ||
23 | * @base: base address of the pll | ||
24 | * @power: the shift of power bit | ||
25 | * @rate: the clock rate of the pll | ||
26 | * | ||
27 | * The mxs pll is a fixed rate clock with power and gate control, | ||
28 | * and the shift of gate bit is always 31. | ||
29 | */ | ||
30 | struct clk_pll { | ||
31 | struct clk_hw hw; | ||
32 | void __iomem *base; | ||
33 | u8 power; | ||
34 | unsigned long rate; | ||
35 | }; | ||
36 | |||
37 | #define to_clk_pll(_hw) container_of(_hw, struct clk_pll, hw) | ||
38 | |||
39 | static int clk_pll_prepare(struct clk_hw *hw) | ||
40 | { | ||
41 | struct clk_pll *pll = to_clk_pll(hw); | ||
42 | |||
43 | writel_relaxed(1 << pll->power, pll->base + SET); | ||
44 | |||
45 | udelay(10); | ||
46 | |||
47 | return 0; | ||
48 | } | ||
49 | |||
50 | static void clk_pll_unprepare(struct clk_hw *hw) | ||
51 | { | ||
52 | struct clk_pll *pll = to_clk_pll(hw); | ||
53 | |||
54 | writel_relaxed(1 << pll->power, pll->base + CLR); | ||
55 | } | ||
56 | |||
57 | static int clk_pll_enable(struct clk_hw *hw) | ||
58 | { | ||
59 | struct clk_pll *pll = to_clk_pll(hw); | ||
60 | |||
61 | writel_relaxed(1 << 31, pll->base + CLR); | ||
62 | |||
63 | return 0; | ||
64 | } | ||
65 | |||
66 | static void clk_pll_disable(struct clk_hw *hw) | ||
67 | { | ||
68 | struct clk_pll *pll = to_clk_pll(hw); | ||
69 | |||
70 | writel_relaxed(1 << 31, pll->base + SET); | ||
71 | } | ||
72 | |||
73 | static unsigned long clk_pll_recalc_rate(struct clk_hw *hw, | ||
74 | unsigned long parent_rate) | ||
75 | { | ||
76 | struct clk_pll *pll = to_clk_pll(hw); | ||
77 | |||
78 | return pll->rate; | ||
79 | } | ||
80 | |||
81 | static const struct clk_ops clk_pll_ops = { | ||
82 | .prepare = clk_pll_prepare, | ||
83 | .unprepare = clk_pll_unprepare, | ||
84 | .enable = clk_pll_enable, | ||
85 | .disable = clk_pll_disable, | ||
86 | .recalc_rate = clk_pll_recalc_rate, | ||
87 | }; | ||
88 | |||
89 | struct clk *mxs_clk_pll(const char *name, const char *parent_name, | ||
90 | void __iomem *base, u8 power, unsigned long rate) | ||
91 | { | ||
92 | struct clk_pll *pll; | ||
93 | struct clk *clk; | ||
94 | struct clk_init_data init; | ||
95 | |||
96 | pll = kzalloc(sizeof(*pll), GFP_KERNEL); | ||
97 | if (!pll) | ||
98 | return ERR_PTR(-ENOMEM); | ||
99 | |||
100 | init.name = name; | ||
101 | init.ops = &clk_pll_ops; | ||
102 | init.flags = 0; | ||
103 | init.parent_names = (parent_name ? &parent_name: NULL); | ||
104 | init.num_parents = (parent_name ? 1 : 0); | ||
105 | |||
106 | pll->base = base; | ||
107 | pll->rate = rate; | ||
108 | pll->power = power; | ||
109 | pll->hw.init = &init; | ||
110 | |||
111 | clk = clk_register(NULL, &pll->hw); | ||
112 | if (IS_ERR(clk)) | ||
113 | kfree(pll); | ||
114 | |||
115 | return clk; | ||
116 | } | ||
diff --git a/drivers/clk/mxs/clk-ref.c b/drivers/clk/mxs/clk-ref.c new file mode 100644 index 000000000000..4adeed6c2f94 --- /dev/null +++ b/drivers/clk/mxs/clk-ref.c | |||
@@ -0,0 +1,154 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * | ||
4 | * The code contained herein is licensed under the GNU General Public | ||
5 | * License. You may obtain a copy of the GNU General Public License | ||
6 | * Version 2 or later at the following locations: | ||
7 | * | ||
8 | * http://www.opensource.org/licenses/gpl-license.html | ||
9 | * http://www.gnu.org/copyleft/gpl.html | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk.h> | ||
13 | #include <linux/clk-provider.h> | ||
14 | #include <linux/err.h> | ||
15 | #include <linux/io.h> | ||
16 | #include <linux/slab.h> | ||
17 | #include "clk.h" | ||
18 | |||
19 | /** | ||
20 | * struct clk_ref - mxs reference clock | ||
21 | * @hw: clk_hw for the reference clock | ||
22 | * @reg: register address | ||
23 | * @idx: the index of the reference clock within the same register | ||
24 | * | ||
25 | * The mxs reference clock sources from pll. Every 4 reference clocks share | ||
26 | * one register space, and @idx is used to identify them. Each reference | ||
27 | * clock has a gate control and a fractional * divider. The rate is calculated | ||
28 | * as pll rate * (18 / FRAC), where FRAC = 18 ~ 35. | ||
29 | */ | ||
30 | struct clk_ref { | ||
31 | struct clk_hw hw; | ||
32 | void __iomem *reg; | ||
33 | u8 idx; | ||
34 | }; | ||
35 | |||
36 | #define to_clk_ref(_hw) container_of(_hw, struct clk_ref, hw) | ||
37 | |||
38 | static int clk_ref_enable(struct clk_hw *hw) | ||
39 | { | ||
40 | struct clk_ref *ref = to_clk_ref(hw); | ||
41 | |||
42 | writel_relaxed(1 << ((ref->idx + 1) * 8 - 1), ref->reg + CLR); | ||
43 | |||
44 | return 0; | ||
45 | } | ||
46 | |||
47 | static void clk_ref_disable(struct clk_hw *hw) | ||
48 | { | ||
49 | struct clk_ref *ref = to_clk_ref(hw); | ||
50 | |||
51 | writel_relaxed(1 << ((ref->idx + 1) * 8 - 1), ref->reg + SET); | ||
52 | } | ||
53 | |||
54 | static unsigned long clk_ref_recalc_rate(struct clk_hw *hw, | ||
55 | unsigned long parent_rate) | ||
56 | { | ||
57 | struct clk_ref *ref = to_clk_ref(hw); | ||
58 | u64 tmp = parent_rate; | ||
59 | u8 frac = (readl_relaxed(ref->reg) >> (ref->idx * 8)) & 0x3f; | ||
60 | |||
61 | tmp *= 18; | ||
62 | do_div(tmp, frac); | ||
63 | |||
64 | return tmp; | ||
65 | } | ||
66 | |||
67 | static long clk_ref_round_rate(struct clk_hw *hw, unsigned long rate, | ||
68 | unsigned long *prate) | ||
69 | { | ||
70 | unsigned long parent_rate = *prate; | ||
71 | u64 tmp = parent_rate; | ||
72 | u8 frac; | ||
73 | |||
74 | tmp = tmp * 18 + rate / 2; | ||
75 | do_div(tmp, rate); | ||
76 | frac = tmp; | ||
77 | |||
78 | if (frac < 18) | ||
79 | frac = 18; | ||
80 | else if (frac > 35) | ||
81 | frac = 35; | ||
82 | |||
83 | tmp = parent_rate; | ||
84 | tmp *= 18; | ||
85 | do_div(tmp, frac); | ||
86 | |||
87 | return tmp; | ||
88 | } | ||
89 | |||
90 | static int clk_ref_set_rate(struct clk_hw *hw, unsigned long rate, | ||
91 | unsigned long parent_rate) | ||
92 | { | ||
93 | struct clk_ref *ref = to_clk_ref(hw); | ||
94 | unsigned long flags; | ||
95 | u64 tmp = parent_rate; | ||
96 | u32 val; | ||
97 | u8 frac, shift = ref->idx * 8; | ||
98 | |||
99 | tmp = tmp * 18 + rate / 2; | ||
100 | do_div(tmp, rate); | ||
101 | frac = tmp; | ||
102 | |||
103 | if (frac < 18) | ||
104 | frac = 18; | ||
105 | else if (frac > 35) | ||
106 | frac = 35; | ||
107 | |||
108 | spin_lock_irqsave(&mxs_lock, flags); | ||
109 | |||
110 | val = readl_relaxed(ref->reg); | ||
111 | val &= ~(0x3f << shift); | ||
112 | val |= frac << shift; | ||
113 | writel_relaxed(val, ref->reg); | ||
114 | |||
115 | spin_unlock_irqrestore(&mxs_lock, flags); | ||
116 | |||
117 | return 0; | ||
118 | } | ||
119 | |||
120 | static const struct clk_ops clk_ref_ops = { | ||
121 | .enable = clk_ref_enable, | ||
122 | .disable = clk_ref_disable, | ||
123 | .recalc_rate = clk_ref_recalc_rate, | ||
124 | .round_rate = clk_ref_round_rate, | ||
125 | .set_rate = clk_ref_set_rate, | ||
126 | }; | ||
127 | |||
128 | struct clk *mxs_clk_ref(const char *name, const char *parent_name, | ||
129 | void __iomem *reg, u8 idx) | ||
130 | { | ||
131 | struct clk_ref *ref; | ||
132 | struct clk *clk; | ||
133 | struct clk_init_data init; | ||
134 | |||
135 | ref = kzalloc(sizeof(*ref), GFP_KERNEL); | ||
136 | if (!ref) | ||
137 | return ERR_PTR(-ENOMEM); | ||
138 | |||
139 | init.name = name; | ||
140 | init.ops = &clk_ref_ops; | ||
141 | init.flags = 0; | ||
142 | init.parent_names = (parent_name ? &parent_name: NULL); | ||
143 | init.num_parents = (parent_name ? 1 : 0); | ||
144 | |||
145 | ref->reg = reg; | ||
146 | ref->idx = idx; | ||
147 | ref->hw.init = &init; | ||
148 | |||
149 | clk = clk_register(NULL, &ref->hw); | ||
150 | if (IS_ERR(clk)) | ||
151 | kfree(ref); | ||
152 | |||
153 | return clk; | ||
154 | } | ||
diff --git a/drivers/clk/mxs/clk.c b/drivers/clk/mxs/clk.c new file mode 100644 index 000000000000..b24d56067c80 --- /dev/null +++ b/drivers/clk/mxs/clk.c | |||
@@ -0,0 +1,28 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * | ||
4 | * The code contained herein is licensed under the GNU General Public | ||
5 | * License. You may obtain a copy of the GNU General Public License | ||
6 | * Version 2 or later at the following locations: | ||
7 | * | ||
8 | * http://www.opensource.org/licenses/gpl-license.html | ||
9 | * http://www.gnu.org/copyleft/gpl.html | ||
10 | */ | ||
11 | |||
12 | #include <linux/err.h> | ||
13 | #include <linux/io.h> | ||
14 | #include <linux/jiffies.h> | ||
15 | #include <linux/spinlock.h> | ||
16 | |||
17 | DEFINE_SPINLOCK(mxs_lock); | ||
18 | |||
19 | int mxs_clk_wait(void __iomem *reg, u8 shift) | ||
20 | { | ||
21 | unsigned long timeout = jiffies + msecs_to_jiffies(10); | ||
22 | |||
23 | while (readl_relaxed(reg) & (1 << shift)) | ||
24 | if (time_after(jiffies, timeout)) | ||
25 | return -ETIMEDOUT; | ||
26 | |||
27 | return 0; | ||
28 | } | ||
diff --git a/drivers/clk/mxs/clk.h b/drivers/clk/mxs/clk.h new file mode 100644 index 000000000000..81421e28e69c --- /dev/null +++ b/drivers/clk/mxs/clk.h | |||
@@ -0,0 +1,66 @@ | |||
1 | /* | ||
2 | * Copyright 2012 Freescale Semiconductor, Inc. | ||
3 | * | ||
4 | * The code contained herein is licensed under the GNU General Public | ||
5 | * License. You may obtain a copy of the GNU General Public License | ||
6 | * Version 2 or later at the following locations: | ||
7 | * | ||
8 | * http://www.opensource.org/licenses/gpl-license.html | ||
9 | * http://www.gnu.org/copyleft/gpl.html | ||
10 | */ | ||
11 | |||
12 | #ifndef __MXS_CLK_H | ||
13 | #define __MXS_CLK_H | ||
14 | |||
15 | #include <linux/clk.h> | ||
16 | #include <linux/clk-provider.h> | ||
17 | #include <linux/spinlock.h> | ||
18 | |||
19 | #define SET 0x4 | ||
20 | #define CLR 0x8 | ||
21 | |||
22 | extern spinlock_t mxs_lock; | ||
23 | |||
24 | int mxs_clk_wait(void __iomem *reg, u8 shift); | ||
25 | |||
26 | struct clk *mxs_clk_pll(const char *name, const char *parent_name, | ||
27 | void __iomem *base, u8 power, unsigned long rate); | ||
28 | |||
29 | struct clk *mxs_clk_ref(const char *name, const char *parent_name, | ||
30 | void __iomem *reg, u8 idx); | ||
31 | |||
32 | struct clk *mxs_clk_div(const char *name, const char *parent_name, | ||
33 | void __iomem *reg, u8 shift, u8 width, u8 busy); | ||
34 | |||
35 | struct clk *mxs_clk_frac(const char *name, const char *parent_name, | ||
36 | void __iomem *reg, u8 shift, u8 width, u8 busy); | ||
37 | |||
38 | static inline struct clk *mxs_clk_fixed(const char *name, int rate) | ||
39 | { | ||
40 | return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate); | ||
41 | } | ||
42 | |||
43 | static inline struct clk *mxs_clk_gate(const char *name, | ||
44 | const char *parent_name, void __iomem *reg, u8 shift) | ||
45 | { | ||
46 | return clk_register_gate(NULL, name, parent_name, CLK_SET_RATE_PARENT, | ||
47 | reg, shift, CLK_GATE_SET_TO_DISABLE, | ||
48 | &mxs_lock); | ||
49 | } | ||
50 | |||
51 | static inline struct clk *mxs_clk_mux(const char *name, void __iomem *reg, | ||
52 | u8 shift, u8 width, const char **parent_names, int num_parents) | ||
53 | { | ||
54 | return clk_register_mux(NULL, name, parent_names, num_parents, | ||
55 | CLK_SET_RATE_PARENT, reg, shift, width, | ||
56 | 0, &mxs_lock); | ||
57 | } | ||
58 | |||
59 | static inline struct clk *mxs_clk_fixed_factor(const char *name, | ||
60 | const char *parent_name, unsigned int mult, unsigned int div) | ||
61 | { | ||
62 | return clk_register_fixed_factor(NULL, name, parent_name, | ||
63 | CLK_SET_RATE_PARENT, mult, div); | ||
64 | } | ||
65 | |||
66 | #endif /* __MXS_CLK_H */ | ||
diff --git a/drivers/clk/spear/Makefile b/drivers/clk/spear/Makefile new file mode 100644 index 000000000000..335886049c83 --- /dev/null +++ b/drivers/clk/spear/Makefile | |||
@@ -0,0 +1,8 @@ | |||
1 | # | ||
2 | # SPEAr Clock specific Makefile | ||
3 | # | ||
4 | |||
5 | obj-y += clk.o clk-aux-synth.o clk-frac-synth.o clk-gpt-synth.o clk-vco-pll.o | ||
6 | |||
7 | obj-$(CONFIG_ARCH_SPEAR3XX) += spear3xx_clock.o | ||
8 | obj-$(CONFIG_ARCH_SPEAR6XX) += spear6xx_clock.o | ||
diff --git a/drivers/clk/spear/clk-aux-synth.c b/drivers/clk/spear/clk-aux-synth.c new file mode 100644 index 000000000000..af34074e702b --- /dev/null +++ b/drivers/clk/spear/clk-aux-synth.c | |||
@@ -0,0 +1,198 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 ST Microelectronics | ||
3 | * Viresh Kumar <viresh.kumar@st.com> | ||
4 | * | ||
5 | * This file is licensed under the terms of the GNU General Public | ||
6 | * License version 2. This program is licensed "as is" without any | ||
7 | * warranty of any kind, whether express or implied. | ||
8 | * | ||
9 | * Auxiliary Synthesizer clock implementation | ||
10 | */ | ||
11 | |||
12 | #define pr_fmt(fmt) "clk-aux-synth: " fmt | ||
13 | |||
14 | #include <linux/clk-provider.h> | ||
15 | #include <linux/slab.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <linux/err.h> | ||
18 | #include "clk.h" | ||
19 | |||
20 | /* | ||
21 | * DOC: Auxiliary Synthesizer clock | ||
22 | * | ||
23 | * Aux synth gives rate for different values of eq, x and y | ||
24 | * | ||
25 | * Fout from synthesizer can be given from two equations: | ||
26 | * Fout1 = (Fin * X/Y)/2 EQ1 | ||
27 | * Fout2 = Fin * X/Y EQ2 | ||
28 | */ | ||
29 | |||
30 | #define to_clk_aux(_hw) container_of(_hw, struct clk_aux, hw) | ||
31 | |||
32 | static struct aux_clk_masks default_aux_masks = { | ||
33 | .eq_sel_mask = AUX_EQ_SEL_MASK, | ||
34 | .eq_sel_shift = AUX_EQ_SEL_SHIFT, | ||
35 | .eq1_mask = AUX_EQ1_SEL, | ||
36 | .eq2_mask = AUX_EQ2_SEL, | ||
37 | .xscale_sel_mask = AUX_XSCALE_MASK, | ||
38 | .xscale_sel_shift = AUX_XSCALE_SHIFT, | ||
39 | .yscale_sel_mask = AUX_YSCALE_MASK, | ||
40 | .yscale_sel_shift = AUX_YSCALE_SHIFT, | ||
41 | .enable_bit = AUX_SYNT_ENB, | ||
42 | }; | ||
43 | |||
44 | static unsigned long aux_calc_rate(struct clk_hw *hw, unsigned long prate, | ||
45 | int index) | ||
46 | { | ||
47 | struct clk_aux *aux = to_clk_aux(hw); | ||
48 | struct aux_rate_tbl *rtbl = aux->rtbl; | ||
49 | u8 eq = rtbl[index].eq ? 1 : 2; | ||
50 | |||
51 | return (((prate / 10000) * rtbl[index].xscale) / | ||
52 | (rtbl[index].yscale * eq)) * 10000; | ||
53 | } | ||
54 | |||
55 | static long clk_aux_round_rate(struct clk_hw *hw, unsigned long drate, | ||
56 | unsigned long *prate) | ||
57 | { | ||
58 | struct clk_aux *aux = to_clk_aux(hw); | ||
59 | int unused; | ||
60 | |||
61 | return clk_round_rate_index(hw, drate, *prate, aux_calc_rate, | ||
62 | aux->rtbl_cnt, &unused); | ||
63 | } | ||
64 | |||
65 | static unsigned long clk_aux_recalc_rate(struct clk_hw *hw, | ||
66 | unsigned long parent_rate) | ||
67 | { | ||
68 | struct clk_aux *aux = to_clk_aux(hw); | ||
69 | unsigned int num = 1, den = 1, val, eqn; | ||
70 | unsigned long flags = 0; | ||
71 | |||
72 | if (aux->lock) | ||
73 | spin_lock_irqsave(aux->lock, flags); | ||
74 | |||
75 | val = readl_relaxed(aux->reg); | ||
76 | |||
77 | if (aux->lock) | ||
78 | spin_unlock_irqrestore(aux->lock, flags); | ||
79 | |||
80 | eqn = (val >> aux->masks->eq_sel_shift) & aux->masks->eq_sel_mask; | ||
81 | if (eqn == aux->masks->eq1_mask) | ||
82 | den = 2; | ||
83 | |||
84 | /* calculate numerator */ | ||
85 | num = (val >> aux->masks->xscale_sel_shift) & | ||
86 | aux->masks->xscale_sel_mask; | ||
87 | |||
88 | /* calculate denominator */ | ||
89 | den *= (val >> aux->masks->yscale_sel_shift) & | ||
90 | aux->masks->yscale_sel_mask; | ||
91 | |||
92 | if (!den) | ||
93 | return 0; | ||
94 | |||
95 | return (((parent_rate / 10000) * num) / den) * 10000; | ||
96 | } | ||
97 | |||
98 | /* Configures new clock rate of aux */ | ||
99 | static int clk_aux_set_rate(struct clk_hw *hw, unsigned long drate, | ||
100 | unsigned long prate) | ||
101 | { | ||
102 | struct clk_aux *aux = to_clk_aux(hw); | ||
103 | struct aux_rate_tbl *rtbl = aux->rtbl; | ||
104 | unsigned long val, flags = 0; | ||
105 | int i; | ||
106 | |||
107 | clk_round_rate_index(hw, drate, prate, aux_calc_rate, aux->rtbl_cnt, | ||
108 | &i); | ||
109 | |||
110 | if (aux->lock) | ||
111 | spin_lock_irqsave(aux->lock, flags); | ||
112 | |||
113 | val = readl_relaxed(aux->reg) & | ||
114 | ~(aux->masks->eq_sel_mask << aux->masks->eq_sel_shift); | ||
115 | val |= (rtbl[i].eq & aux->masks->eq_sel_mask) << | ||
116 | aux->masks->eq_sel_shift; | ||
117 | val &= ~(aux->masks->xscale_sel_mask << aux->masks->xscale_sel_shift); | ||
118 | val |= (rtbl[i].xscale & aux->masks->xscale_sel_mask) << | ||
119 | aux->masks->xscale_sel_shift; | ||
120 | val &= ~(aux->masks->yscale_sel_mask << aux->masks->yscale_sel_shift); | ||
121 | val |= (rtbl[i].yscale & aux->masks->yscale_sel_mask) << | ||
122 | aux->masks->yscale_sel_shift; | ||
123 | writel_relaxed(val, aux->reg); | ||
124 | |||
125 | if (aux->lock) | ||
126 | spin_unlock_irqrestore(aux->lock, flags); | ||
127 | |||
128 | return 0; | ||
129 | } | ||
130 | |||
131 | static struct clk_ops clk_aux_ops = { | ||
132 | .recalc_rate = clk_aux_recalc_rate, | ||
133 | .round_rate = clk_aux_round_rate, | ||
134 | .set_rate = clk_aux_set_rate, | ||
135 | }; | ||
136 | |||
137 | struct clk *clk_register_aux(const char *aux_name, const char *gate_name, | ||
138 | const char *parent_name, unsigned long flags, void __iomem *reg, | ||
139 | struct aux_clk_masks *masks, struct aux_rate_tbl *rtbl, | ||
140 | u8 rtbl_cnt, spinlock_t *lock, struct clk **gate_clk) | ||
141 | { | ||
142 | struct clk_aux *aux; | ||
143 | struct clk_init_data init; | ||
144 | struct clk *clk; | ||
145 | |||
146 | if (!aux_name || !parent_name || !reg || !rtbl || !rtbl_cnt) { | ||
147 | pr_err("Invalid arguments passed"); | ||
148 | return ERR_PTR(-EINVAL); | ||
149 | } | ||
150 | |||
151 | aux = kzalloc(sizeof(*aux), GFP_KERNEL); | ||
152 | if (!aux) { | ||
153 | pr_err("could not allocate aux clk\n"); | ||
154 | return ERR_PTR(-ENOMEM); | ||
155 | } | ||
156 | |||
157 | /* struct clk_aux assignments */ | ||
158 | if (!masks) | ||
159 | aux->masks = &default_aux_masks; | ||
160 | else | ||
161 | aux->masks = masks; | ||
162 | |||
163 | aux->reg = reg; | ||
164 | aux->rtbl = rtbl; | ||
165 | aux->rtbl_cnt = rtbl_cnt; | ||
166 | aux->lock = lock; | ||
167 | aux->hw.init = &init; | ||
168 | |||
169 | init.name = aux_name; | ||
170 | init.ops = &clk_aux_ops; | ||
171 | init.flags = flags; | ||
172 | init.parent_names = &parent_name; | ||
173 | init.num_parents = 1; | ||
174 | |||
175 | clk = clk_register(NULL, &aux->hw); | ||
176 | if (IS_ERR_OR_NULL(clk)) | ||
177 | goto free_aux; | ||
178 | |||
179 | if (gate_name) { | ||
180 | struct clk *tgate_clk; | ||
181 | |||
182 | tgate_clk = clk_register_gate(NULL, gate_name, aux_name, 0, reg, | ||
183 | aux->masks->enable_bit, 0, lock); | ||
184 | if (IS_ERR_OR_NULL(tgate_clk)) | ||
185 | goto free_aux; | ||
186 | |||
187 | if (gate_clk) | ||
188 | *gate_clk = tgate_clk; | ||
189 | } | ||
190 | |||
191 | return clk; | ||
192 | |||
193 | free_aux: | ||
194 | kfree(aux); | ||
195 | pr_err("clk register failed\n"); | ||
196 | |||
197 | return NULL; | ||
198 | } | ||
diff --git a/drivers/clk/spear/clk-frac-synth.c b/drivers/clk/spear/clk-frac-synth.c new file mode 100644 index 000000000000..4dbdb3fe18e0 --- /dev/null +++ b/drivers/clk/spear/clk-frac-synth.c | |||
@@ -0,0 +1,165 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 ST Microelectronics | ||
3 | * Viresh Kumar <viresh.kumar@st.com> | ||
4 | * | ||
5 | * This file is licensed under the terms of the GNU General Public | ||
6 | * License version 2. This program is licensed "as is" without any | ||
7 | * warranty of any kind, whether express or implied. | ||
8 | * | ||
9 | * Fractional Synthesizer clock implementation | ||
10 | */ | ||
11 | |||
12 | #define pr_fmt(fmt) "clk-frac-synth: " fmt | ||
13 | |||
14 | #include <linux/clk-provider.h> | ||
15 | #include <linux/slab.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <linux/err.h> | ||
18 | #include "clk.h" | ||
19 | |||
20 | #define DIV_FACTOR_MASK 0x1FFFF | ||
21 | |||
22 | /* | ||
23 | * DOC: Fractional Synthesizer clock | ||
24 | * | ||
25 | * Fout from synthesizer can be given from below equation: | ||
26 | * | ||
27 | * Fout= Fin/2*div (division factor) | ||
28 | * div is 17 bits:- | ||
29 | * 0-13 (fractional part) | ||
30 | * 14-16 (integer part) | ||
31 | * div is (16-14 bits).(13-0 bits) (in binary) | ||
32 | * | ||
33 | * Fout = Fin/(2 * div) | ||
34 | * Fout = ((Fin / 10000)/(2 * div)) * 10000 | ||
35 | * Fout = (2^14 * (Fin / 10000)/(2^14 * (2 * div))) * 10000 | ||
36 | * Fout = (((Fin / 10000) << 14)/(2 * (div << 14))) * 10000 | ||
37 | * | ||
38 | * div << 14 simply 17 bit value written at register. | ||
39 | * Max error due to scaling down by 10000 is 10 KHz | ||
40 | */ | ||
41 | |||
42 | #define to_clk_frac(_hw) container_of(_hw, struct clk_frac, hw) | ||
43 | |||
44 | static unsigned long frac_calc_rate(struct clk_hw *hw, unsigned long prate, | ||
45 | int index) | ||
46 | { | ||
47 | struct clk_frac *frac = to_clk_frac(hw); | ||
48 | struct frac_rate_tbl *rtbl = frac->rtbl; | ||
49 | |||
50 | prate /= 10000; | ||
51 | prate <<= 14; | ||
52 | prate /= (2 * rtbl[index].div); | ||
53 | prate *= 10000; | ||
54 | |||
55 | return prate; | ||
56 | } | ||
57 | |||
58 | static long clk_frac_round_rate(struct clk_hw *hw, unsigned long drate, | ||
59 | unsigned long *prate) | ||
60 | { | ||
61 | struct clk_frac *frac = to_clk_frac(hw); | ||
62 | int unused; | ||
63 | |||
64 | return clk_round_rate_index(hw, drate, *prate, frac_calc_rate, | ||
65 | frac->rtbl_cnt, &unused); | ||
66 | } | ||
67 | |||
68 | static unsigned long clk_frac_recalc_rate(struct clk_hw *hw, | ||
69 | unsigned long parent_rate) | ||
70 | { | ||
71 | struct clk_frac *frac = to_clk_frac(hw); | ||
72 | unsigned long flags = 0; | ||
73 | unsigned int div = 1, val; | ||
74 | |||
75 | if (frac->lock) | ||
76 | spin_lock_irqsave(frac->lock, flags); | ||
77 | |||
78 | val = readl_relaxed(frac->reg); | ||
79 | |||
80 | if (frac->lock) | ||
81 | spin_unlock_irqrestore(frac->lock, flags); | ||
82 | |||
83 | div = val & DIV_FACTOR_MASK; | ||
84 | |||
85 | if (!div) | ||
86 | return 0; | ||
87 | |||
88 | parent_rate = parent_rate / 10000; | ||
89 | |||
90 | parent_rate = (parent_rate << 14) / (2 * div); | ||
91 | return parent_rate * 10000; | ||
92 | } | ||
93 | |||
94 | /* Configures new clock rate of frac */ | ||
95 | static int clk_frac_set_rate(struct clk_hw *hw, unsigned long drate, | ||
96 | unsigned long prate) | ||
97 | { | ||
98 | struct clk_frac *frac = to_clk_frac(hw); | ||
99 | struct frac_rate_tbl *rtbl = frac->rtbl; | ||
100 | unsigned long flags = 0, val; | ||
101 | int i; | ||
102 | |||
103 | clk_round_rate_index(hw, drate, prate, frac_calc_rate, frac->rtbl_cnt, | ||
104 | &i); | ||
105 | |||
106 | if (frac->lock) | ||
107 | spin_lock_irqsave(frac->lock, flags); | ||
108 | |||
109 | val = readl_relaxed(frac->reg) & ~DIV_FACTOR_MASK; | ||
110 | val |= rtbl[i].div & DIV_FACTOR_MASK; | ||
111 | writel_relaxed(val, frac->reg); | ||
112 | |||
113 | if (frac->lock) | ||
114 | spin_unlock_irqrestore(frac->lock, flags); | ||
115 | |||
116 | return 0; | ||
117 | } | ||
118 | |||
119 | struct clk_ops clk_frac_ops = { | ||
120 | .recalc_rate = clk_frac_recalc_rate, | ||
121 | .round_rate = clk_frac_round_rate, | ||
122 | .set_rate = clk_frac_set_rate, | ||
123 | }; | ||
124 | |||
125 | struct clk *clk_register_frac(const char *name, const char *parent_name, | ||
126 | unsigned long flags, void __iomem *reg, | ||
127 | struct frac_rate_tbl *rtbl, u8 rtbl_cnt, spinlock_t *lock) | ||
128 | { | ||
129 | struct clk_init_data init; | ||
130 | struct clk_frac *frac; | ||
131 | struct clk *clk; | ||
132 | |||
133 | if (!name || !parent_name || !reg || !rtbl || !rtbl_cnt) { | ||
134 | pr_err("Invalid arguments passed"); | ||
135 | return ERR_PTR(-EINVAL); | ||
136 | } | ||
137 | |||
138 | frac = kzalloc(sizeof(*frac), GFP_KERNEL); | ||
139 | if (!frac) { | ||
140 | pr_err("could not allocate frac clk\n"); | ||
141 | return ERR_PTR(-ENOMEM); | ||
142 | } | ||
143 | |||
144 | /* struct clk_frac assignments */ | ||
145 | frac->reg = reg; | ||
146 | frac->rtbl = rtbl; | ||
147 | frac->rtbl_cnt = rtbl_cnt; | ||
148 | frac->lock = lock; | ||
149 | frac->hw.init = &init; | ||
150 | |||
151 | init.name = name; | ||
152 | init.ops = &clk_frac_ops; | ||
153 | init.flags = flags; | ||
154 | init.parent_names = &parent_name; | ||
155 | init.num_parents = 1; | ||
156 | |||
157 | clk = clk_register(NULL, &frac->hw); | ||
158 | if (!IS_ERR_OR_NULL(clk)) | ||
159 | return clk; | ||
160 | |||
161 | pr_err("clk register failed\n"); | ||
162 | kfree(frac); | ||
163 | |||
164 | return NULL; | ||
165 | } | ||
diff --git a/drivers/clk/spear/clk-gpt-synth.c b/drivers/clk/spear/clk-gpt-synth.c new file mode 100644 index 000000000000..b471c9762a97 --- /dev/null +++ b/drivers/clk/spear/clk-gpt-synth.c | |||
@@ -0,0 +1,154 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 ST Microelectronics | ||
3 | * Viresh Kumar <viresh.kumar@st.com> | ||
4 | * | ||
5 | * This file is licensed under the terms of the GNU General Public | ||
6 | * License version 2. This program is licensed "as is" without any | ||
7 | * warranty of any kind, whether express or implied. | ||
8 | * | ||
9 | * General Purpose Timer Synthesizer clock implementation | ||
10 | */ | ||
11 | |||
12 | #define pr_fmt(fmt) "clk-gpt-synth: " fmt | ||
13 | |||
14 | #include <linux/clk-provider.h> | ||
15 | #include <linux/slab.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <linux/err.h> | ||
18 | #include "clk.h" | ||
19 | |||
20 | #define GPT_MSCALE_MASK 0xFFF | ||
21 | #define GPT_NSCALE_SHIFT 12 | ||
22 | #define GPT_NSCALE_MASK 0xF | ||
23 | |||
24 | /* | ||
25 | * DOC: General Purpose Timer Synthesizer clock | ||
26 | * | ||
27 | * Calculates gpt synth clk rate for different values of mscale and nscale | ||
28 | * | ||
29 | * Fout= Fin/((2 ^ (N+1)) * (M+1)) | ||
30 | */ | ||
31 | |||
32 | #define to_clk_gpt(_hw) container_of(_hw, struct clk_gpt, hw) | ||
33 | |||
34 | static unsigned long gpt_calc_rate(struct clk_hw *hw, unsigned long prate, | ||
35 | int index) | ||
36 | { | ||
37 | struct clk_gpt *gpt = to_clk_gpt(hw); | ||
38 | struct gpt_rate_tbl *rtbl = gpt->rtbl; | ||
39 | |||
40 | prate /= ((1 << (rtbl[index].nscale + 1)) * (rtbl[index].mscale + 1)); | ||
41 | |||
42 | return prate; | ||
43 | } | ||
44 | |||
45 | static long clk_gpt_round_rate(struct clk_hw *hw, unsigned long drate, | ||
46 | unsigned long *prate) | ||
47 | { | ||
48 | struct clk_gpt *gpt = to_clk_gpt(hw); | ||
49 | int unused; | ||
50 | |||
51 | return clk_round_rate_index(hw, drate, *prate, gpt_calc_rate, | ||
52 | gpt->rtbl_cnt, &unused); | ||
53 | } | ||
54 | |||
55 | static unsigned long clk_gpt_recalc_rate(struct clk_hw *hw, | ||
56 | unsigned long parent_rate) | ||
57 | { | ||
58 | struct clk_gpt *gpt = to_clk_gpt(hw); | ||
59 | unsigned long flags = 0; | ||
60 | unsigned int div = 1, val; | ||
61 | |||
62 | if (gpt->lock) | ||
63 | spin_lock_irqsave(gpt->lock, flags); | ||
64 | |||
65 | val = readl_relaxed(gpt->reg); | ||
66 | |||
67 | if (gpt->lock) | ||
68 | spin_unlock_irqrestore(gpt->lock, flags); | ||
69 | |||
70 | div += val & GPT_MSCALE_MASK; | ||
71 | div *= 1 << (((val >> GPT_NSCALE_SHIFT) & GPT_NSCALE_MASK) + 1); | ||
72 | |||
73 | if (!div) | ||
74 | return 0; | ||
75 | |||
76 | return parent_rate / div; | ||
77 | } | ||
78 | |||
79 | /* Configures new clock rate of gpt */ | ||
80 | static int clk_gpt_set_rate(struct clk_hw *hw, unsigned long drate, | ||
81 | unsigned long prate) | ||
82 | { | ||
83 | struct clk_gpt *gpt = to_clk_gpt(hw); | ||
84 | struct gpt_rate_tbl *rtbl = gpt->rtbl; | ||
85 | unsigned long flags = 0, val; | ||
86 | int i; | ||
87 | |||
88 | clk_round_rate_index(hw, drate, prate, gpt_calc_rate, gpt->rtbl_cnt, | ||
89 | &i); | ||
90 | |||
91 | if (gpt->lock) | ||
92 | spin_lock_irqsave(gpt->lock, flags); | ||
93 | |||
94 | val = readl(gpt->reg) & ~GPT_MSCALE_MASK; | ||
95 | val &= ~(GPT_NSCALE_MASK << GPT_NSCALE_SHIFT); | ||
96 | |||
97 | val |= rtbl[i].mscale & GPT_MSCALE_MASK; | ||
98 | val |= (rtbl[i].nscale & GPT_NSCALE_MASK) << GPT_NSCALE_SHIFT; | ||
99 | |||
100 | writel_relaxed(val, gpt->reg); | ||
101 | |||
102 | if (gpt->lock) | ||
103 | spin_unlock_irqrestore(gpt->lock, flags); | ||
104 | |||
105 | return 0; | ||
106 | } | ||
107 | |||
108 | static struct clk_ops clk_gpt_ops = { | ||
109 | .recalc_rate = clk_gpt_recalc_rate, | ||
110 | .round_rate = clk_gpt_round_rate, | ||
111 | .set_rate = clk_gpt_set_rate, | ||
112 | }; | ||
113 | |||
114 | struct clk *clk_register_gpt(const char *name, const char *parent_name, unsigned | ||
115 | long flags, void __iomem *reg, struct gpt_rate_tbl *rtbl, u8 | ||
116 | rtbl_cnt, spinlock_t *lock) | ||
117 | { | ||
118 | struct clk_init_data init; | ||
119 | struct clk_gpt *gpt; | ||
120 | struct clk *clk; | ||
121 | |||
122 | if (!name || !parent_name || !reg || !rtbl || !rtbl_cnt) { | ||
123 | pr_err("Invalid arguments passed"); | ||
124 | return ERR_PTR(-EINVAL); | ||
125 | } | ||
126 | |||
127 | gpt = kzalloc(sizeof(*gpt), GFP_KERNEL); | ||
128 | if (!gpt) { | ||
129 | pr_err("could not allocate gpt clk\n"); | ||
130 | return ERR_PTR(-ENOMEM); | ||
131 | } | ||
132 | |||
133 | /* struct clk_gpt assignments */ | ||
134 | gpt->reg = reg; | ||
135 | gpt->rtbl = rtbl; | ||
136 | gpt->rtbl_cnt = rtbl_cnt; | ||
137 | gpt->lock = lock; | ||
138 | gpt->hw.init = &init; | ||
139 | |||
140 | init.name = name; | ||
141 | init.ops = &clk_gpt_ops; | ||
142 | init.flags = flags; | ||
143 | init.parent_names = &parent_name; | ||
144 | init.num_parents = 1; | ||
145 | |||
146 | clk = clk_register(NULL, &gpt->hw); | ||
147 | if (!IS_ERR_OR_NULL(clk)) | ||
148 | return clk; | ||
149 | |||
150 | pr_err("clk register failed\n"); | ||
151 | kfree(gpt); | ||
152 | |||
153 | return NULL; | ||
154 | } | ||
diff --git a/drivers/clk/spear/clk-vco-pll.c b/drivers/clk/spear/clk-vco-pll.c new file mode 100644 index 000000000000..dcd4bdf4b0d9 --- /dev/null +++ b/drivers/clk/spear/clk-vco-pll.c | |||
@@ -0,0 +1,363 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 ST Microelectronics | ||
3 | * Viresh Kumar <viresh.kumar@st.com> | ||
4 | * | ||
5 | * This file is licensed under the terms of the GNU General Public | ||
6 | * License version 2. This program is licensed "as is" without any | ||
7 | * warranty of any kind, whether express or implied. | ||
8 | * | ||
9 | * VCO-PLL clock implementation | ||
10 | */ | ||
11 | |||
12 | #define pr_fmt(fmt) "clk-vco-pll: " fmt | ||
13 | |||
14 | #include <linux/clk-provider.h> | ||
15 | #include <linux/slab.h> | ||
16 | #include <linux/io.h> | ||
17 | #include <linux/err.h> | ||
18 | #include "clk.h" | ||
19 | |||
20 | /* | ||
21 | * DOC: VCO-PLL clock | ||
22 | * | ||
23 | * VCO and PLL rate are derived from following equations: | ||
24 | * | ||
25 | * In normal mode | ||
26 | * vco = (2 * M[15:8] * Fin)/N | ||
27 | * | ||
28 | * In Dithered mode | ||
29 | * vco = (2 * M[15:0] * Fin)/(256 * N) | ||
30 | * | ||
31 | * pll_rate = pll/2^p | ||
32 | * | ||
33 | * vco and pll are very closely bound to each other, "vco needs to program: | ||
34 | * mode, m & n" and "pll needs to program p", both share common enable/disable | ||
35 | * logic. | ||
36 | * | ||
37 | * clk_register_vco_pll() registers instances of both vco & pll. | ||
38 | * CLK_SET_RATE_PARENT flag is forced for pll, as it will always pass its | ||
39 | * set_rate to vco. A single rate table exists for both the clocks, which | ||
40 | * configures m, n and p. | ||
41 | */ | ||
42 | |||
43 | /* PLL_CTR register masks */ | ||
44 | #define PLL_MODE_NORMAL 0 | ||
45 | #define PLL_MODE_FRACTION 1 | ||
46 | #define PLL_MODE_DITH_DSM 2 | ||
47 | #define PLL_MODE_DITH_SSM 3 | ||
48 | #define PLL_MODE_MASK 3 | ||
49 | #define PLL_MODE_SHIFT 3 | ||
50 | #define PLL_ENABLE 2 | ||
51 | |||
52 | #define PLL_LOCK_SHIFT 0 | ||
53 | #define PLL_LOCK_MASK 1 | ||
54 | |||
55 | /* PLL FRQ register masks */ | ||
56 | #define PLL_NORM_FDBK_M_MASK 0xFF | ||
57 | #define PLL_NORM_FDBK_M_SHIFT 24 | ||
58 | #define PLL_DITH_FDBK_M_MASK 0xFFFF | ||
59 | #define PLL_DITH_FDBK_M_SHIFT 16 | ||
60 | #define PLL_DIV_P_MASK 0x7 | ||
61 | #define PLL_DIV_P_SHIFT 8 | ||
62 | #define PLL_DIV_N_MASK 0xFF | ||
63 | #define PLL_DIV_N_SHIFT 0 | ||
64 | |||
65 | #define to_clk_vco(_hw) container_of(_hw, struct clk_vco, hw) | ||
66 | #define to_clk_pll(_hw) container_of(_hw, struct clk_pll, hw) | ||
67 | |||
68 | /* Calculates pll clk rate for specific value of mode, m, n and p */ | ||
69 | static unsigned long pll_calc_rate(struct pll_rate_tbl *rtbl, | ||
70 | unsigned long prate, int index, unsigned long *pll_rate) | ||
71 | { | ||
72 | unsigned long rate = prate; | ||
73 | unsigned int mode; | ||
74 | |||
75 | mode = rtbl[index].mode ? 256 : 1; | ||
76 | rate = (((2 * rate / 10000) * rtbl[index].m) / (mode * rtbl[index].n)); | ||
77 | |||
78 | if (pll_rate) | ||
79 | *pll_rate = (rate / (1 << rtbl[index].p)) * 10000; | ||
80 | |||
81 | return rate * 10000; | ||
82 | } | ||
83 | |||
84 | static long clk_pll_round_rate_index(struct clk_hw *hw, unsigned long drate, | ||
85 | unsigned long *prate, int *index) | ||
86 | { | ||
87 | struct clk_pll *pll = to_clk_pll(hw); | ||
88 | unsigned long prev_rate, vco_prev_rate, rate = 0; | ||
89 | unsigned long vco_parent_rate = | ||
90 | __clk_get_rate(__clk_get_parent(__clk_get_parent(hw->clk))); | ||
91 | |||
92 | if (!prate) { | ||
93 | pr_err("%s: prate is must for pll clk\n", __func__); | ||
94 | return -EINVAL; | ||
95 | } | ||
96 | |||
97 | for (*index = 0; *index < pll->vco->rtbl_cnt; (*index)++) { | ||
98 | prev_rate = rate; | ||
99 | vco_prev_rate = *prate; | ||
100 | *prate = pll_calc_rate(pll->vco->rtbl, vco_parent_rate, *index, | ||
101 | &rate); | ||
102 | if (drate < rate) { | ||
103 | /* previous clock was best */ | ||
104 | if (*index) { | ||
105 | rate = prev_rate; | ||
106 | *prate = vco_prev_rate; | ||
107 | (*index)--; | ||
108 | } | ||
109 | break; | ||
110 | } | ||
111 | } | ||
112 | |||
113 | return rate; | ||
114 | } | ||
115 | |||
116 | static long clk_pll_round_rate(struct clk_hw *hw, unsigned long drate, | ||
117 | unsigned long *prate) | ||
118 | { | ||
119 | int unused; | ||
120 | |||
121 | return clk_pll_round_rate_index(hw, drate, prate, &unused); | ||
122 | } | ||
123 | |||
124 | static unsigned long clk_pll_recalc_rate(struct clk_hw *hw, unsigned long | ||
125 | parent_rate) | ||
126 | { | ||
127 | struct clk_pll *pll = to_clk_pll(hw); | ||
128 | unsigned long flags = 0; | ||
129 | unsigned int p; | ||
130 | |||
131 | if (pll->vco->lock) | ||
132 | spin_lock_irqsave(pll->vco->lock, flags); | ||
133 | |||
134 | p = readl_relaxed(pll->vco->cfg_reg); | ||
135 | |||
136 | if (pll->vco->lock) | ||
137 | spin_unlock_irqrestore(pll->vco->lock, flags); | ||
138 | |||
139 | p = (p >> PLL_DIV_P_SHIFT) & PLL_DIV_P_MASK; | ||
140 | |||
141 | return parent_rate / (1 << p); | ||
142 | } | ||
143 | |||
144 | static int clk_pll_set_rate(struct clk_hw *hw, unsigned long drate, | ||
145 | unsigned long prate) | ||
146 | { | ||
147 | struct clk_pll *pll = to_clk_pll(hw); | ||
148 | struct pll_rate_tbl *rtbl = pll->vco->rtbl; | ||
149 | unsigned long flags = 0, val; | ||
150 | int i; | ||
151 | |||
152 | clk_pll_round_rate_index(hw, drate, NULL, &i); | ||
153 | |||
154 | if (pll->vco->lock) | ||
155 | spin_lock_irqsave(pll->vco->lock, flags); | ||
156 | |||
157 | val = readl_relaxed(pll->vco->cfg_reg); | ||
158 | val &= ~(PLL_DIV_P_MASK << PLL_DIV_P_SHIFT); | ||
159 | val |= (rtbl[i].p & PLL_DIV_P_MASK) << PLL_DIV_P_SHIFT; | ||
160 | writel_relaxed(val, pll->vco->cfg_reg); | ||
161 | |||
162 | if (pll->vco->lock) | ||
163 | spin_unlock_irqrestore(pll->vco->lock, flags); | ||
164 | |||
165 | return 0; | ||
166 | } | ||
167 | |||
168 | static struct clk_ops clk_pll_ops = { | ||
169 | .recalc_rate = clk_pll_recalc_rate, | ||
170 | .round_rate = clk_pll_round_rate, | ||
171 | .set_rate = clk_pll_set_rate, | ||
172 | }; | ||
173 | |||
174 | static inline unsigned long vco_calc_rate(struct clk_hw *hw, | ||
175 | unsigned long prate, int index) | ||
176 | { | ||
177 | struct clk_vco *vco = to_clk_vco(hw); | ||
178 | |||
179 | return pll_calc_rate(vco->rtbl, prate, index, NULL); | ||
180 | } | ||
181 | |||
182 | static long clk_vco_round_rate(struct clk_hw *hw, unsigned long drate, | ||
183 | unsigned long *prate) | ||
184 | { | ||
185 | struct clk_vco *vco = to_clk_vco(hw); | ||
186 | int unused; | ||
187 | |||
188 | return clk_round_rate_index(hw, drate, *prate, vco_calc_rate, | ||
189 | vco->rtbl_cnt, &unused); | ||
190 | } | ||
191 | |||
192 | static unsigned long clk_vco_recalc_rate(struct clk_hw *hw, | ||
193 | unsigned long parent_rate) | ||
194 | { | ||
195 | struct clk_vco *vco = to_clk_vco(hw); | ||
196 | unsigned long flags = 0; | ||
197 | unsigned int num = 2, den = 0, val, mode = 0; | ||
198 | |||
199 | if (vco->lock) | ||
200 | spin_lock_irqsave(vco->lock, flags); | ||
201 | |||
202 | mode = (readl_relaxed(vco->mode_reg) >> PLL_MODE_SHIFT) & PLL_MODE_MASK; | ||
203 | |||
204 | val = readl_relaxed(vco->cfg_reg); | ||
205 | |||
206 | if (vco->lock) | ||
207 | spin_unlock_irqrestore(vco->lock, flags); | ||
208 | |||
209 | den = (val >> PLL_DIV_N_SHIFT) & PLL_DIV_N_MASK; | ||
210 | |||
211 | /* calculate numerator & denominator */ | ||
212 | if (!mode) { | ||
213 | /* Normal mode */ | ||
214 | num *= (val >> PLL_NORM_FDBK_M_SHIFT) & PLL_NORM_FDBK_M_MASK; | ||
215 | } else { | ||
216 | /* Dithered mode */ | ||
217 | num *= (val >> PLL_DITH_FDBK_M_SHIFT) & PLL_DITH_FDBK_M_MASK; | ||
218 | den *= 256; | ||
219 | } | ||
220 | |||
221 | if (!den) { | ||
222 | WARN(1, "%s: denominator can't be zero\n", __func__); | ||
223 | return 0; | ||
224 | } | ||
225 | |||
226 | return (((parent_rate / 10000) * num) / den) * 10000; | ||
227 | } | ||
228 | |||
229 | /* Configures new clock rate of vco */ | ||
230 | static int clk_vco_set_rate(struct clk_hw *hw, unsigned long drate, | ||
231 | unsigned long prate) | ||
232 | { | ||
233 | struct clk_vco *vco = to_clk_vco(hw); | ||
234 | struct pll_rate_tbl *rtbl = vco->rtbl; | ||
235 | unsigned long flags = 0, val; | ||
236 | int i; | ||
237 | |||
238 | clk_round_rate_index(hw, drate, prate, vco_calc_rate, vco->rtbl_cnt, | ||
239 | &i); | ||
240 | |||
241 | if (vco->lock) | ||
242 | spin_lock_irqsave(vco->lock, flags); | ||
243 | |||
244 | val = readl_relaxed(vco->mode_reg); | ||
245 | val &= ~(PLL_MODE_MASK << PLL_MODE_SHIFT); | ||
246 | val |= (rtbl[i].mode & PLL_MODE_MASK) << PLL_MODE_SHIFT; | ||
247 | writel_relaxed(val, vco->mode_reg); | ||
248 | |||
249 | val = readl_relaxed(vco->cfg_reg); | ||
250 | val &= ~(PLL_DIV_N_MASK << PLL_DIV_N_SHIFT); | ||
251 | val |= (rtbl[i].n & PLL_DIV_N_MASK) << PLL_DIV_N_SHIFT; | ||
252 | |||
253 | val &= ~(PLL_DITH_FDBK_M_MASK << PLL_DITH_FDBK_M_SHIFT); | ||
254 | if (rtbl[i].mode) | ||
255 | val |= (rtbl[i].m & PLL_DITH_FDBK_M_MASK) << | ||
256 | PLL_DITH_FDBK_M_SHIFT; | ||
257 | else | ||
258 | val |= (rtbl[i].m & PLL_NORM_FDBK_M_MASK) << | ||
259 | PLL_NORM_FDBK_M_SHIFT; | ||
260 | |||
261 | writel_relaxed(val, vco->cfg_reg); | ||
262 | |||
263 | if (vco->lock) | ||
264 | spin_unlock_irqrestore(vco->lock, flags); | ||
265 | |||
266 | return 0; | ||
267 | } | ||
268 | |||
269 | static struct clk_ops clk_vco_ops = { | ||
270 | .recalc_rate = clk_vco_recalc_rate, | ||
271 | .round_rate = clk_vco_round_rate, | ||
272 | .set_rate = clk_vco_set_rate, | ||
273 | }; | ||
274 | |||
275 | struct clk *clk_register_vco_pll(const char *vco_name, const char *pll_name, | ||
276 | const char *vco_gate_name, const char *parent_name, | ||
277 | unsigned long flags, void __iomem *mode_reg, void __iomem | ||
278 | *cfg_reg, struct pll_rate_tbl *rtbl, u8 rtbl_cnt, | ||
279 | spinlock_t *lock, struct clk **pll_clk, | ||
280 | struct clk **vco_gate_clk) | ||
281 | { | ||
282 | struct clk_vco *vco; | ||
283 | struct clk_pll *pll; | ||
284 | struct clk *vco_clk, *tpll_clk, *tvco_gate_clk; | ||
285 | struct clk_init_data vco_init, pll_init; | ||
286 | const char **vco_parent_name; | ||
287 | |||
288 | if (!vco_name || !pll_name || !parent_name || !mode_reg || !cfg_reg || | ||
289 | !rtbl || !rtbl_cnt) { | ||
290 | pr_err("Invalid arguments passed"); | ||
291 | return ERR_PTR(-EINVAL); | ||
292 | } | ||
293 | |||
294 | vco = kzalloc(sizeof(*vco), GFP_KERNEL); | ||
295 | if (!vco) { | ||
296 | pr_err("could not allocate vco clk\n"); | ||
297 | return ERR_PTR(-ENOMEM); | ||
298 | } | ||
299 | |||
300 | pll = kzalloc(sizeof(*pll), GFP_KERNEL); | ||
301 | if (!pll) { | ||
302 | pr_err("could not allocate pll clk\n"); | ||
303 | goto free_vco; | ||
304 | } | ||
305 | |||
306 | /* struct clk_vco assignments */ | ||
307 | vco->mode_reg = mode_reg; | ||
308 | vco->cfg_reg = cfg_reg; | ||
309 | vco->rtbl = rtbl; | ||
310 | vco->rtbl_cnt = rtbl_cnt; | ||
311 | vco->lock = lock; | ||
312 | vco->hw.init = &vco_init; | ||
313 | |||
314 | pll->vco = vco; | ||
315 | pll->hw.init = &pll_init; | ||
316 | |||
317 | if (vco_gate_name) { | ||
318 | tvco_gate_clk = clk_register_gate(NULL, vco_gate_name, | ||
319 | parent_name, 0, mode_reg, PLL_ENABLE, 0, lock); | ||
320 | if (IS_ERR_OR_NULL(tvco_gate_clk)) | ||
321 | goto free_pll; | ||
322 | |||
323 | if (vco_gate_clk) | ||
324 | *vco_gate_clk = tvco_gate_clk; | ||
325 | vco_parent_name = &vco_gate_name; | ||
326 | } else { | ||
327 | vco_parent_name = &parent_name; | ||
328 | } | ||
329 | |||
330 | vco_init.name = vco_name; | ||
331 | vco_init.ops = &clk_vco_ops; | ||
332 | vco_init.flags = flags; | ||
333 | vco_init.parent_names = vco_parent_name; | ||
334 | vco_init.num_parents = 1; | ||
335 | |||
336 | pll_init.name = pll_name; | ||
337 | pll_init.ops = &clk_pll_ops; | ||
338 | pll_init.flags = CLK_SET_RATE_PARENT; | ||
339 | pll_init.parent_names = &vco_name; | ||
340 | pll_init.num_parents = 1; | ||
341 | |||
342 | vco_clk = clk_register(NULL, &vco->hw); | ||
343 | if (IS_ERR_OR_NULL(vco_clk)) | ||
344 | goto free_pll; | ||
345 | |||
346 | tpll_clk = clk_register(NULL, &pll->hw); | ||
347 | if (IS_ERR_OR_NULL(tpll_clk)) | ||
348 | goto free_pll; | ||
349 | |||
350 | if (pll_clk) | ||
351 | *pll_clk = tpll_clk; | ||
352 | |||
353 | return vco_clk; | ||
354 | |||
355 | free_pll: | ||
356 | kfree(pll); | ||
357 | free_vco: | ||
358 | kfree(vco); | ||
359 | |||
360 | pr_err("Failed to register vco pll clock\n"); | ||
361 | |||
362 | return ERR_PTR(-ENOMEM); | ||
363 | } | ||
diff --git a/drivers/clk/spear/clk.c b/drivers/clk/spear/clk.c new file mode 100644 index 000000000000..376d4e5ff326 --- /dev/null +++ b/drivers/clk/spear/clk.c | |||
@@ -0,0 +1,36 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 ST Microelectronics | ||
3 | * Viresh Kumar <viresh.kumar@st.com> | ||
4 | * | ||
5 | * This file is licensed under the terms of the GNU General Public | ||
6 | * License version 2. This program is licensed "as is" without any | ||
7 | * warranty of any kind, whether express or implied. | ||
8 | * | ||
9 | * SPEAr clk - Common routines | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk-provider.h> | ||
13 | #include <linux/types.h> | ||
14 | #include "clk.h" | ||
15 | |||
16 | long clk_round_rate_index(struct clk_hw *hw, unsigned long drate, | ||
17 | unsigned long parent_rate, clk_calc_rate calc_rate, u8 rtbl_cnt, | ||
18 | int *index) | ||
19 | { | ||
20 | unsigned long prev_rate, rate = 0; | ||
21 | |||
22 | for (*index = 0; *index < rtbl_cnt; (*index)++) { | ||
23 | prev_rate = rate; | ||
24 | rate = calc_rate(hw, parent_rate, *index); | ||
25 | if (drate < rate) { | ||
26 | /* previous clock was best */ | ||
27 | if (*index) { | ||
28 | rate = prev_rate; | ||
29 | (*index)--; | ||
30 | } | ||
31 | break; | ||
32 | } | ||
33 | } | ||
34 | |||
35 | return rate; | ||
36 | } | ||
diff --git a/drivers/clk/spear/clk.h b/drivers/clk/spear/clk.h new file mode 100644 index 000000000000..3321c46a071c --- /dev/null +++ b/drivers/clk/spear/clk.h | |||
@@ -0,0 +1,134 @@ | |||
1 | /* | ||
2 | * Clock framework definitions for SPEAr platform | ||
3 | * | ||
4 | * Copyright (C) 2012 ST Microelectronics | ||
5 | * Viresh Kumar <viresh.kumar@st.com> | ||
6 | * | ||
7 | * This file is licensed under the terms of the GNU General Public | ||
8 | * License version 2. This program is licensed "as is" without any | ||
9 | * warranty of any kind, whether express or implied. | ||
10 | */ | ||
11 | |||
12 | #ifndef __SPEAR_CLK_H | ||
13 | #define __SPEAR_CLK_H | ||
14 | |||
15 | #include <linux/clk-provider.h> | ||
16 | #include <linux/spinlock_types.h> | ||
17 | #include <linux/types.h> | ||
18 | |||
19 | /* Auxiliary Synth clk */ | ||
20 | /* Default masks */ | ||
21 | #define AUX_EQ_SEL_SHIFT 30 | ||
22 | #define AUX_EQ_SEL_MASK 1 | ||
23 | #define AUX_EQ1_SEL 0 | ||
24 | #define AUX_EQ2_SEL 1 | ||
25 | #define AUX_XSCALE_SHIFT 16 | ||
26 | #define AUX_XSCALE_MASK 0xFFF | ||
27 | #define AUX_YSCALE_SHIFT 0 | ||
28 | #define AUX_YSCALE_MASK 0xFFF | ||
29 | #define AUX_SYNT_ENB 31 | ||
30 | |||
31 | struct aux_clk_masks { | ||
32 | u32 eq_sel_mask; | ||
33 | u32 eq_sel_shift; | ||
34 | u32 eq1_mask; | ||
35 | u32 eq2_mask; | ||
36 | u32 xscale_sel_mask; | ||
37 | u32 xscale_sel_shift; | ||
38 | u32 yscale_sel_mask; | ||
39 | u32 yscale_sel_shift; | ||
40 | u32 enable_bit; | ||
41 | }; | ||
42 | |||
43 | struct aux_rate_tbl { | ||
44 | u16 xscale; | ||
45 | u16 yscale; | ||
46 | u8 eq; | ||
47 | }; | ||
48 | |||
49 | struct clk_aux { | ||
50 | struct clk_hw hw; | ||
51 | void __iomem *reg; | ||
52 | struct aux_clk_masks *masks; | ||
53 | struct aux_rate_tbl *rtbl; | ||
54 | u8 rtbl_cnt; | ||
55 | spinlock_t *lock; | ||
56 | }; | ||
57 | |||
58 | /* Fractional Synth clk */ | ||
59 | struct frac_rate_tbl { | ||
60 | u32 div; | ||
61 | }; | ||
62 | |||
63 | struct clk_frac { | ||
64 | struct clk_hw hw; | ||
65 | void __iomem *reg; | ||
66 | struct frac_rate_tbl *rtbl; | ||
67 | u8 rtbl_cnt; | ||
68 | spinlock_t *lock; | ||
69 | }; | ||
70 | |||
71 | /* GPT clk */ | ||
72 | struct gpt_rate_tbl { | ||
73 | u16 mscale; | ||
74 | u16 nscale; | ||
75 | }; | ||
76 | |||
77 | struct clk_gpt { | ||
78 | struct clk_hw hw; | ||
79 | void __iomem *reg; | ||
80 | struct gpt_rate_tbl *rtbl; | ||
81 | u8 rtbl_cnt; | ||
82 | spinlock_t *lock; | ||
83 | }; | ||
84 | |||
85 | /* VCO-PLL clk */ | ||
86 | struct pll_rate_tbl { | ||
87 | u8 mode; | ||
88 | u16 m; | ||
89 | u8 n; | ||
90 | u8 p; | ||
91 | }; | ||
92 | |||
93 | struct clk_vco { | ||
94 | struct clk_hw hw; | ||
95 | void __iomem *mode_reg; | ||
96 | void __iomem *cfg_reg; | ||
97 | struct pll_rate_tbl *rtbl; | ||
98 | u8 rtbl_cnt; | ||
99 | spinlock_t *lock; | ||
100 | }; | ||
101 | |||
102 | struct clk_pll { | ||
103 | struct clk_hw hw; | ||
104 | struct clk_vco *vco; | ||
105 | const char *parent[1]; | ||
106 | spinlock_t *lock; | ||
107 | }; | ||
108 | |||
109 | typedef unsigned long (*clk_calc_rate)(struct clk_hw *hw, unsigned long prate, | ||
110 | int index); | ||
111 | |||
112 | /* clk register routines */ | ||
113 | struct clk *clk_register_aux(const char *aux_name, const char *gate_name, | ||
114 | const char *parent_name, unsigned long flags, void __iomem *reg, | ||
115 | struct aux_clk_masks *masks, struct aux_rate_tbl *rtbl, | ||
116 | u8 rtbl_cnt, spinlock_t *lock, struct clk **gate_clk); | ||
117 | struct clk *clk_register_frac(const char *name, const char *parent_name, | ||
118 | unsigned long flags, void __iomem *reg, | ||
119 | struct frac_rate_tbl *rtbl, u8 rtbl_cnt, spinlock_t *lock); | ||
120 | struct clk *clk_register_gpt(const char *name, const char *parent_name, unsigned | ||
121 | long flags, void __iomem *reg, struct gpt_rate_tbl *rtbl, u8 | ||
122 | rtbl_cnt, spinlock_t *lock); | ||
123 | struct clk *clk_register_vco_pll(const char *vco_name, const char *pll_name, | ||
124 | const char *vco_gate_name, const char *parent_name, | ||
125 | unsigned long flags, void __iomem *mode_reg, void __iomem | ||
126 | *cfg_reg, struct pll_rate_tbl *rtbl, u8 rtbl_cnt, | ||
127 | spinlock_t *lock, struct clk **pll_clk, | ||
128 | struct clk **vco_gate_clk); | ||
129 | |||
130 | long clk_round_rate_index(struct clk_hw *hw, unsigned long drate, | ||
131 | unsigned long parent_rate, clk_calc_rate calc_rate, u8 rtbl_cnt, | ||
132 | int *index); | ||
133 | |||
134 | #endif /* __SPEAR_CLK_H */ | ||
diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c new file mode 100644 index 000000000000..440bb3e4c971 --- /dev/null +++ b/drivers/clk/spear/spear3xx_clock.c | |||
@@ -0,0 +1,612 @@ | |||
1 | /* | ||
2 | * SPEAr3xx machines clock framework source file | ||
3 | * | ||
4 | * Copyright (C) 2012 ST Microelectronics | ||
5 | * Viresh Kumar <viresh.kumar@st.com> | ||
6 | * | ||
7 | * This file is licensed under the terms of the GNU General Public | ||
8 | * License version 2. This program is licensed "as is" without any | ||
9 | * warranty of any kind, whether express or implied. | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk.h> | ||
13 | #include <linux/clkdev.h> | ||
14 | #include <linux/err.h> | ||
15 | #include <linux/io.h> | ||
16 | #include <linux/of_platform.h> | ||
17 | #include <linux/spinlock_types.h> | ||
18 | #include <mach/misc_regs.h> | ||
19 | #include "clk.h" | ||
20 | |||
21 | static DEFINE_SPINLOCK(_lock); | ||
22 | |||
23 | #define PLL1_CTR (MISC_BASE + 0x008) | ||
24 | #define PLL1_FRQ (MISC_BASE + 0x00C) | ||
25 | #define PLL2_CTR (MISC_BASE + 0x014) | ||
26 | #define PLL2_FRQ (MISC_BASE + 0x018) | ||
27 | #define PLL_CLK_CFG (MISC_BASE + 0x020) | ||
28 | /* PLL_CLK_CFG register masks */ | ||
29 | #define MCTR_CLK_SHIFT 28 | ||
30 | #define MCTR_CLK_MASK 3 | ||
31 | |||
32 | #define CORE_CLK_CFG (MISC_BASE + 0x024) | ||
33 | /* CORE CLK CFG register masks */ | ||
34 | #define GEN_SYNTH2_3_CLK_SHIFT 18 | ||
35 | #define GEN_SYNTH2_3_CLK_MASK 1 | ||
36 | |||
37 | #define HCLK_RATIO_SHIFT 10 | ||
38 | #define HCLK_RATIO_MASK 2 | ||
39 | #define PCLK_RATIO_SHIFT 8 | ||
40 | #define PCLK_RATIO_MASK 2 | ||
41 | |||
42 | #define PERIP_CLK_CFG (MISC_BASE + 0x028) | ||
43 | /* PERIP_CLK_CFG register masks */ | ||
44 | #define UART_CLK_SHIFT 4 | ||
45 | #define UART_CLK_MASK 1 | ||
46 | #define FIRDA_CLK_SHIFT 5 | ||
47 | #define FIRDA_CLK_MASK 2 | ||
48 | #define GPT0_CLK_SHIFT 8 | ||
49 | #define GPT1_CLK_SHIFT 11 | ||
50 | #define GPT2_CLK_SHIFT 12 | ||
51 | #define GPT_CLK_MASK 1 | ||
52 | |||
53 | #define PERIP1_CLK_ENB (MISC_BASE + 0x02C) | ||
54 | /* PERIP1_CLK_ENB register masks */ | ||
55 | #define UART_CLK_ENB 3 | ||
56 | #define SSP_CLK_ENB 5 | ||
57 | #define I2C_CLK_ENB 7 | ||
58 | #define JPEG_CLK_ENB 8 | ||
59 | #define FIRDA_CLK_ENB 10 | ||
60 | #define GPT1_CLK_ENB 11 | ||
61 | #define GPT2_CLK_ENB 12 | ||
62 | #define ADC_CLK_ENB 15 | ||
63 | #define RTC_CLK_ENB 17 | ||
64 | #define GPIO_CLK_ENB 18 | ||
65 | #define DMA_CLK_ENB 19 | ||
66 | #define SMI_CLK_ENB 21 | ||
67 | #define GMAC_CLK_ENB 23 | ||
68 | #define USBD_CLK_ENB 24 | ||
69 | #define USBH_CLK_ENB 25 | ||
70 | #define C3_CLK_ENB 31 | ||
71 | |||
72 | #define RAS_CLK_ENB (MISC_BASE + 0x034) | ||
73 | #define RAS_AHB_CLK_ENB 0 | ||
74 | #define RAS_PLL1_CLK_ENB 1 | ||
75 | #define RAS_APB_CLK_ENB 2 | ||
76 | #define RAS_32K_CLK_ENB 3 | ||
77 | #define RAS_24M_CLK_ENB 4 | ||
78 | #define RAS_48M_CLK_ENB 5 | ||
79 | #define RAS_PLL2_CLK_ENB 7 | ||
80 | #define RAS_SYNT0_CLK_ENB 8 | ||
81 | #define RAS_SYNT1_CLK_ENB 9 | ||
82 | #define RAS_SYNT2_CLK_ENB 10 | ||
83 | #define RAS_SYNT3_CLK_ENB 11 | ||
84 | |||
85 | #define PRSC0_CLK_CFG (MISC_BASE + 0x044) | ||
86 | #define PRSC1_CLK_CFG (MISC_BASE + 0x048) | ||
87 | #define PRSC2_CLK_CFG (MISC_BASE + 0x04C) | ||
88 | #define AMEM_CLK_CFG (MISC_BASE + 0x050) | ||
89 | #define AMEM_CLK_ENB 0 | ||
90 | |||
91 | #define CLCD_CLK_SYNT (MISC_BASE + 0x05C) | ||
92 | #define FIRDA_CLK_SYNT (MISC_BASE + 0x060) | ||
93 | #define UART_CLK_SYNT (MISC_BASE + 0x064) | ||
94 | #define GMAC_CLK_SYNT (MISC_BASE + 0x068) | ||
95 | #define GEN0_CLK_SYNT (MISC_BASE + 0x06C) | ||
96 | #define GEN1_CLK_SYNT (MISC_BASE + 0x070) | ||
97 | #define GEN2_CLK_SYNT (MISC_BASE + 0x074) | ||
98 | #define GEN3_CLK_SYNT (MISC_BASE + 0x078) | ||
99 | |||
100 | /* pll rate configuration table, in ascending order of rates */ | ||
101 | static struct pll_rate_tbl pll_rtbl[] = { | ||
102 | {.mode = 0, .m = 0x53, .n = 0x0C, .p = 0x1}, /* vco 332 & pll 166 MHz */ | ||
103 | {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* vco 532 & pll 266 MHz */ | ||
104 | {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* vco 664 & pll 332 MHz */ | ||
105 | }; | ||
106 | |||
107 | /* aux rate configuration table, in ascending order of rates */ | ||
108 | static struct aux_rate_tbl aux_rtbl[] = { | ||
109 | /* For PLL1 = 332 MHz */ | ||
110 | {.xscale = 2, .yscale = 27, .eq = 0}, /* 12.296 MHz */ | ||
111 | {.xscale = 2, .yscale = 8, .eq = 0}, /* 41.5 MHz */ | ||
112 | {.xscale = 2, .yscale = 4, .eq = 0}, /* 83 MHz */ | ||
113 | {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ | ||
114 | }; | ||
115 | |||
116 | /* gpt rate configuration table, in ascending order of rates */ | ||
117 | static struct gpt_rate_tbl gpt_rtbl[] = { | ||
118 | /* For pll1 = 332 MHz */ | ||
119 | {.mscale = 4, .nscale = 0}, /* 41.5 MHz */ | ||
120 | {.mscale = 2, .nscale = 0}, /* 55.3 MHz */ | ||
121 | {.mscale = 1, .nscale = 0}, /* 83 MHz */ | ||
122 | }; | ||
123 | |||
124 | /* clock parents */ | ||
125 | static const char *uart0_parents[] = { "pll3_48m_clk", "uart_synth_gate_clk", }; | ||
126 | static const char *firda_parents[] = { "pll3_48m_clk", "firda_synth_gate_clk", | ||
127 | }; | ||
128 | static const char *gpt0_parents[] = { "pll3_48m_clk", "gpt0_synth_clk", }; | ||
129 | static const char *gpt1_parents[] = { "pll3_48m_clk", "gpt1_synth_clk", }; | ||
130 | static const char *gpt2_parents[] = { "pll3_48m_clk", "gpt2_synth_clk", }; | ||
131 | static const char *gen2_3_parents[] = { "pll1_clk", "pll2_clk", }; | ||
132 | static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none", | ||
133 | "pll2_clk", }; | ||
134 | |||
135 | #ifdef CONFIG_MACH_SPEAR300 | ||
136 | static void __init spear300_clk_init(void) | ||
137 | { | ||
138 | struct clk *clk; | ||
139 | |||
140 | clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_48m_clk", 0, | ||
141 | 1, 1); | ||
142 | clk_register_clkdev(clk, NULL, "60000000.clcd"); | ||
143 | |||
144 | clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, | ||
145 | 1); | ||
146 | clk_register_clkdev(clk, NULL, "94000000.flash"); | ||
147 | |||
148 | clk = clk_register_fixed_factor(NULL, "sdhci_clk", "ras_ahb_clk", 0, 1, | ||
149 | 1); | ||
150 | clk_register_clkdev(clk, NULL, "70000000.sdhci"); | ||
151 | |||
152 | clk = clk_register_fixed_factor(NULL, "gpio1_clk", "ras_apb_clk", 0, 1, | ||
153 | 1); | ||
154 | clk_register_clkdev(clk, NULL, "a9000000.gpio"); | ||
155 | |||
156 | clk = clk_register_fixed_factor(NULL, "kbd_clk", "ras_apb_clk", 0, 1, | ||
157 | 1); | ||
158 | clk_register_clkdev(clk, NULL, "a0000000.kbd"); | ||
159 | } | ||
160 | #endif | ||
161 | |||
162 | /* array of all spear 310 clock lookups */ | ||
163 | #ifdef CONFIG_MACH_SPEAR310 | ||
164 | static void __init spear310_clk_init(void) | ||
165 | { | ||
166 | struct clk *clk; | ||
167 | |||
168 | clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1, | ||
169 | 1); | ||
170 | clk_register_clkdev(clk, "emi", NULL); | ||
171 | |||
172 | clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, | ||
173 | 1); | ||
174 | clk_register_clkdev(clk, NULL, "44000000.flash"); | ||
175 | |||
176 | clk = clk_register_fixed_factor(NULL, "tdm_clk", "ras_ahb_clk", 0, 1, | ||
177 | 1); | ||
178 | clk_register_clkdev(clk, NULL, "tdm"); | ||
179 | |||
180 | clk = clk_register_fixed_factor(NULL, "uart1_clk", "ras_apb_clk", 0, 1, | ||
181 | 1); | ||
182 | clk_register_clkdev(clk, NULL, "b2000000.serial"); | ||
183 | |||
184 | clk = clk_register_fixed_factor(NULL, "uart2_clk", "ras_apb_clk", 0, 1, | ||
185 | 1); | ||
186 | clk_register_clkdev(clk, NULL, "b2080000.serial"); | ||
187 | |||
188 | clk = clk_register_fixed_factor(NULL, "uart3_clk", "ras_apb_clk", 0, 1, | ||
189 | 1); | ||
190 | clk_register_clkdev(clk, NULL, "b2100000.serial"); | ||
191 | |||
192 | clk = clk_register_fixed_factor(NULL, "uart4_clk", "ras_apb_clk", 0, 1, | ||
193 | 1); | ||
194 | clk_register_clkdev(clk, NULL, "b2180000.serial"); | ||
195 | |||
196 | clk = clk_register_fixed_factor(NULL, "uart5_clk", "ras_apb_clk", 0, 1, | ||
197 | 1); | ||
198 | clk_register_clkdev(clk, NULL, "b2200000.serial"); | ||
199 | } | ||
200 | #endif | ||
201 | |||
202 | /* array of all spear 320 clock lookups */ | ||
203 | #ifdef CONFIG_MACH_SPEAR320 | ||
204 | #define SMII_PCLK_SHIFT 18 | ||
205 | #define SMII_PCLK_MASK 2 | ||
206 | #define SMII_PCLK_VAL_PAD 0x0 | ||
207 | #define SMII_PCLK_VAL_PLL2 0x1 | ||
208 | #define SMII_PCLK_VAL_SYNTH0 0x2 | ||
209 | #define SDHCI_PCLK_SHIFT 15 | ||
210 | #define SDHCI_PCLK_MASK 1 | ||
211 | #define SDHCI_PCLK_VAL_48M 0x0 | ||
212 | #define SDHCI_PCLK_VAL_SYNTH3 0x1 | ||
213 | #define I2S_REF_PCLK_SHIFT 8 | ||
214 | #define I2S_REF_PCLK_MASK 1 | ||
215 | #define I2S_REF_PCLK_SYNTH_VAL 0x1 | ||
216 | #define I2S_REF_PCLK_PLL2_VAL 0x0 | ||
217 | #define UART1_PCLK_SHIFT 6 | ||
218 | #define UART1_PCLK_MASK 1 | ||
219 | #define SPEAR320_UARTX_PCLK_VAL_SYNTH1 0x0 | ||
220 | #define SPEAR320_UARTX_PCLK_VAL_APB 0x1 | ||
221 | |||
222 | static const char *i2s_ref_parents[] = { "ras_pll2_clk", | ||
223 | "ras_gen2_synth_gate_clk", }; | ||
224 | static const char *sdhci_parents[] = { "ras_pll3_48m_clk", | ||
225 | "ras_gen3_synth_gate_clk", | ||
226 | }; | ||
227 | static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk", | ||
228 | "ras_gen0_synth_gate_clk", }; | ||
229 | static const char *uartx_parents[] = { "ras_gen1_synth_gate_clk", "ras_apb_clk", | ||
230 | }; | ||
231 | |||
232 | static void __init spear320_clk_init(void) | ||
233 | { | ||
234 | struct clk *clk; | ||
235 | |||
236 | clk = clk_register_fixed_rate(NULL, "smii_125m_pad_clk", NULL, | ||
237 | CLK_IS_ROOT, 125000000); | ||
238 | clk_register_clkdev(clk, "smii_125m_pad", NULL); | ||
239 | |||
240 | clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_48m_clk", 0, | ||
241 | 1, 1); | ||
242 | clk_register_clkdev(clk, NULL, "90000000.clcd"); | ||
243 | |||
244 | clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1, | ||
245 | 1); | ||
246 | clk_register_clkdev(clk, "emi", NULL); | ||
247 | |||
248 | clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, | ||
249 | 1); | ||
250 | clk_register_clkdev(clk, NULL, "4c000000.flash"); | ||
251 | |||
252 | clk = clk_register_fixed_factor(NULL, "i2c1_clk", "ras_ahb_clk", 0, 1, | ||
253 | 1); | ||
254 | clk_register_clkdev(clk, NULL, "a7000000.i2c"); | ||
255 | |||
256 | clk = clk_register_fixed_factor(NULL, "pwm_clk", "ras_ahb_clk", 0, 1, | ||
257 | 1); | ||
258 | clk_register_clkdev(clk, "pwm", NULL); | ||
259 | |||
260 | clk = clk_register_fixed_factor(NULL, "ssp1_clk", "ras_ahb_clk", 0, 1, | ||
261 | 1); | ||
262 | clk_register_clkdev(clk, NULL, "a5000000.spi"); | ||
263 | |||
264 | clk = clk_register_fixed_factor(NULL, "ssp2_clk", "ras_ahb_clk", 0, 1, | ||
265 | 1); | ||
266 | clk_register_clkdev(clk, NULL, "a6000000.spi"); | ||
267 | |||
268 | clk = clk_register_fixed_factor(NULL, "can0_clk", "ras_apb_clk", 0, 1, | ||
269 | 1); | ||
270 | clk_register_clkdev(clk, NULL, "c_can_platform.0"); | ||
271 | |||
272 | clk = clk_register_fixed_factor(NULL, "can1_clk", "ras_apb_clk", 0, 1, | ||
273 | 1); | ||
274 | clk_register_clkdev(clk, NULL, "c_can_platform.1"); | ||
275 | |||
276 | clk = clk_register_fixed_factor(NULL, "i2s_clk", "ras_apb_clk", 0, 1, | ||
277 | 1); | ||
278 | clk_register_clkdev(clk, NULL, "i2s"); | ||
279 | |||
280 | clk = clk_register_mux(NULL, "i2s_ref_clk", i2s_ref_parents, | ||
281 | ARRAY_SIZE(i2s_ref_parents), 0, SPEAR320_CONTROL_REG, | ||
282 | I2S_REF_PCLK_SHIFT, I2S_REF_PCLK_MASK, 0, &_lock); | ||
283 | clk_register_clkdev(clk, "i2s_ref_clk", NULL); | ||
284 | |||
285 | clk = clk_register_fixed_factor(NULL, "i2s_sclk", "i2s_ref_clk", 0, 1, | ||
286 | 4); | ||
287 | clk_register_clkdev(clk, "i2s_sclk", NULL); | ||
288 | |||
289 | clk = clk_register_mux(NULL, "rs485_clk", uartx_parents, | ||
290 | ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG, | ||
291 | SPEAR320_RS485_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0, | ||
292 | &_lock); | ||
293 | clk_register_clkdev(clk, NULL, "a9300000.serial"); | ||
294 | |||
295 | clk = clk_register_mux(NULL, "sdhci_clk", sdhci_parents, | ||
296 | ARRAY_SIZE(sdhci_parents), 0, SPEAR320_CONTROL_REG, | ||
297 | SDHCI_PCLK_SHIFT, SDHCI_PCLK_MASK, 0, &_lock); | ||
298 | clk_register_clkdev(clk, NULL, "70000000.sdhci"); | ||
299 | |||
300 | clk = clk_register_mux(NULL, "smii_pclk", smii0_parents, | ||
301 | ARRAY_SIZE(smii0_parents), 0, SPEAR320_CONTROL_REG, | ||
302 | SMII_PCLK_SHIFT, SMII_PCLK_MASK, 0, &_lock); | ||
303 | clk_register_clkdev(clk, NULL, "smii_pclk"); | ||
304 | |||
305 | clk = clk_register_fixed_factor(NULL, "smii_clk", "smii_pclk", 0, 1, 1); | ||
306 | clk_register_clkdev(clk, NULL, "smii"); | ||
307 | |||
308 | clk = clk_register_mux(NULL, "uart1_clk", uartx_parents, | ||
309 | ARRAY_SIZE(uartx_parents), 0, SPEAR320_CONTROL_REG, | ||
310 | UART1_PCLK_SHIFT, UART1_PCLK_MASK, 0, &_lock); | ||
311 | clk_register_clkdev(clk, NULL, "a3000000.serial"); | ||
312 | |||
313 | clk = clk_register_mux(NULL, "uart2_clk", uartx_parents, | ||
314 | ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG, | ||
315 | SPEAR320_UART2_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0, | ||
316 | &_lock); | ||
317 | clk_register_clkdev(clk, NULL, "a4000000.serial"); | ||
318 | |||
319 | clk = clk_register_mux(NULL, "uart3_clk", uartx_parents, | ||
320 | ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG, | ||
321 | SPEAR320_UART3_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0, | ||
322 | &_lock); | ||
323 | clk_register_clkdev(clk, NULL, "a9100000.serial"); | ||
324 | |||
325 | clk = clk_register_mux(NULL, "uart4_clk", uartx_parents, | ||
326 | ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG, | ||
327 | SPEAR320_UART4_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0, | ||
328 | &_lock); | ||
329 | clk_register_clkdev(clk, NULL, "a9200000.serial"); | ||
330 | |||
331 | clk = clk_register_mux(NULL, "uart5_clk", uartx_parents, | ||
332 | ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG, | ||
333 | SPEAR320_UART5_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0, | ||
334 | &_lock); | ||
335 | clk_register_clkdev(clk, NULL, "60000000.serial"); | ||
336 | |||
337 | clk = clk_register_mux(NULL, "uart6_clk", uartx_parents, | ||
338 | ARRAY_SIZE(uartx_parents), 0, SPEAR320_EXT_CTRL_REG, | ||
339 | SPEAR320_UART6_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0, | ||
340 | &_lock); | ||
341 | clk_register_clkdev(clk, NULL, "60100000.serial"); | ||
342 | } | ||
343 | #endif | ||
344 | |||
345 | void __init spear3xx_clk_init(void) | ||
346 | { | ||
347 | struct clk *clk, *clk1; | ||
348 | |||
349 | clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0); | ||
350 | clk_register_clkdev(clk, "apb_pclk", NULL); | ||
351 | |||
352 | clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT, | ||
353 | 32000); | ||
354 | clk_register_clkdev(clk, "osc_32k_clk", NULL); | ||
355 | |||
356 | clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT, | ||
357 | 24000000); | ||
358 | clk_register_clkdev(clk, "osc_24m_clk", NULL); | ||
359 | |||
360 | /* clock derived from 32 KHz osc clk */ | ||
361 | clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0, | ||
362 | PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock); | ||
363 | clk_register_clkdev(clk, NULL, "fc900000.rtc"); | ||
364 | |||
365 | /* clock derived from 24 MHz osc clk */ | ||
366 | clk = clk_register_fixed_rate(NULL, "pll3_48m_clk", "osc_24m_clk", 0, | ||
367 | 48000000); | ||
368 | clk_register_clkdev(clk, "pll3_48m_clk", NULL); | ||
369 | |||
370 | clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_24m_clk", 0, 1, | ||
371 | 1); | ||
372 | clk_register_clkdev(clk, NULL, "fc880000.wdt"); | ||
373 | |||
374 | clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, | ||
375 | "osc_24m_clk", 0, PLL1_CTR, PLL1_FRQ, pll_rtbl, | ||
376 | ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); | ||
377 | clk_register_clkdev(clk, "vco1_clk", NULL); | ||
378 | clk_register_clkdev(clk1, "pll1_clk", NULL); | ||
379 | |||
380 | clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, | ||
381 | "osc_24m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl, | ||
382 | ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); | ||
383 | clk_register_clkdev(clk, "vco2_clk", NULL); | ||
384 | clk_register_clkdev(clk1, "pll2_clk", NULL); | ||
385 | |||
386 | /* clock derived from pll1 clk */ | ||
387 | clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk", 0, 1, 1); | ||
388 | clk_register_clkdev(clk, "cpu_clk", NULL); | ||
389 | |||
390 | clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk", | ||
391 | CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT, | ||
392 | HCLK_RATIO_MASK, 0, &_lock); | ||
393 | clk_register_clkdev(clk, "ahb_clk", NULL); | ||
394 | |||
395 | clk = clk_register_aux("uart_synth_clk", "uart_synth_gate_clk", | ||
396 | "pll1_clk", 0, UART_CLK_SYNT, NULL, aux_rtbl, | ||
397 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
398 | clk_register_clkdev(clk, "uart_synth_clk", NULL); | ||
399 | clk_register_clkdev(clk1, "uart_synth_gate_clk", NULL); | ||
400 | |||
401 | clk = clk_register_mux(NULL, "uart0_mux_clk", uart0_parents, | ||
402 | ARRAY_SIZE(uart0_parents), 0, PERIP_CLK_CFG, | ||
403 | UART_CLK_SHIFT, UART_CLK_MASK, 0, &_lock); | ||
404 | clk_register_clkdev(clk, "uart0_mux_clk", NULL); | ||
405 | |||
406 | clk = clk_register_gate(NULL, "uart0", "uart0_mux_clk", 0, | ||
407 | PERIP1_CLK_ENB, UART_CLK_ENB, 0, &_lock); | ||
408 | clk_register_clkdev(clk, NULL, "d0000000.serial"); | ||
409 | |||
410 | clk = clk_register_aux("firda_synth_clk", "firda_synth_gate_clk", | ||
411 | "pll1_clk", 0, FIRDA_CLK_SYNT, NULL, aux_rtbl, | ||
412 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
413 | clk_register_clkdev(clk, "firda_synth_clk", NULL); | ||
414 | clk_register_clkdev(clk1, "firda_synth_gate_clk", NULL); | ||
415 | |||
416 | clk = clk_register_mux(NULL, "firda_mux_clk", firda_parents, | ||
417 | ARRAY_SIZE(firda_parents), 0, PERIP_CLK_CFG, | ||
418 | FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0, &_lock); | ||
419 | clk_register_clkdev(clk, "firda_mux_clk", NULL); | ||
420 | |||
421 | clk = clk_register_gate(NULL, "firda_clk", "firda_mux_clk", 0, | ||
422 | PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, &_lock); | ||
423 | clk_register_clkdev(clk, NULL, "firda"); | ||
424 | |||
425 | /* gpt clocks */ | ||
426 | clk_register_gpt("gpt0_synth_clk", "pll1_clk", 0, PRSC0_CLK_CFG, | ||
427 | gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); | ||
428 | clk = clk_register_mux(NULL, "gpt0_clk", gpt0_parents, | ||
429 | ARRAY_SIZE(gpt0_parents), 0, PERIP_CLK_CFG, | ||
430 | GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); | ||
431 | clk_register_clkdev(clk, NULL, "gpt0"); | ||
432 | |||
433 | clk_register_gpt("gpt1_synth_clk", "pll1_clk", 0, PRSC1_CLK_CFG, | ||
434 | gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); | ||
435 | clk = clk_register_mux(NULL, "gpt1_mux_clk", gpt1_parents, | ||
436 | ARRAY_SIZE(gpt1_parents), 0, PERIP_CLK_CFG, | ||
437 | GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); | ||
438 | clk_register_clkdev(clk, "gpt1_mux_clk", NULL); | ||
439 | clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mux_clk", 0, | ||
440 | PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, &_lock); | ||
441 | clk_register_clkdev(clk, NULL, "gpt1"); | ||
442 | |||
443 | clk_register_gpt("gpt2_synth_clk", "pll1_clk", 0, PRSC2_CLK_CFG, | ||
444 | gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); | ||
445 | clk = clk_register_mux(NULL, "gpt2_mux_clk", gpt2_parents, | ||
446 | ARRAY_SIZE(gpt2_parents), 0, PERIP_CLK_CFG, | ||
447 | GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); | ||
448 | clk_register_clkdev(clk, "gpt2_mux_clk", NULL); | ||
449 | clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mux_clk", 0, | ||
450 | PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, &_lock); | ||
451 | clk_register_clkdev(clk, NULL, "gpt2"); | ||
452 | |||
453 | /* general synths clocks */ | ||
454 | clk = clk_register_aux("gen0_synth_clk", "gen0_synth_gate_clk", | ||
455 | "pll1_clk", 0, GEN0_CLK_SYNT, NULL, aux_rtbl, | ||
456 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
457 | clk_register_clkdev(clk, "gen0_synth_clk", NULL); | ||
458 | clk_register_clkdev(clk1, "gen0_synth_gate_clk", NULL); | ||
459 | |||
460 | clk = clk_register_aux("gen1_synth_clk", "gen1_synth_gate_clk", | ||
461 | "pll1_clk", 0, GEN1_CLK_SYNT, NULL, aux_rtbl, | ||
462 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
463 | clk_register_clkdev(clk, "gen1_synth_clk", NULL); | ||
464 | clk_register_clkdev(clk1, "gen1_synth_gate_clk", NULL); | ||
465 | |||
466 | clk = clk_register_mux(NULL, "gen2_3_parent_clk", gen2_3_parents, | ||
467 | ARRAY_SIZE(gen2_3_parents), 0, CORE_CLK_CFG, | ||
468 | GEN_SYNTH2_3_CLK_SHIFT, GEN_SYNTH2_3_CLK_MASK, 0, | ||
469 | &_lock); | ||
470 | clk_register_clkdev(clk, "gen2_3_parent_clk", NULL); | ||
471 | |||
472 | clk = clk_register_aux("gen2_synth_clk", "gen2_synth_gate_clk", | ||
473 | "gen2_3_parent_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl, | ||
474 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
475 | clk_register_clkdev(clk, "gen2_synth_clk", NULL); | ||
476 | clk_register_clkdev(clk1, "gen2_synth_gate_clk", NULL); | ||
477 | |||
478 | clk = clk_register_aux("gen3_synth_clk", "gen3_synth_gate_clk", | ||
479 | "gen2_3_parent_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl, | ||
480 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
481 | clk_register_clkdev(clk, "gen3_synth_clk", NULL); | ||
482 | clk_register_clkdev(clk1, "gen3_synth_gate_clk", NULL); | ||
483 | |||
484 | /* clock derived from pll3 clk */ | ||
485 | clk = clk_register_gate(NULL, "usbh_clk", "pll3_48m_clk", 0, | ||
486 | PERIP1_CLK_ENB, USBH_CLK_ENB, 0, &_lock); | ||
487 | clk_register_clkdev(clk, "usbh_clk", NULL); | ||
488 | |||
489 | clk = clk_register_fixed_factor(NULL, "usbh.0_clk", "usbh_clk", 0, 1, | ||
490 | 1); | ||
491 | clk_register_clkdev(clk, "usbh.0_clk", NULL); | ||
492 | |||
493 | clk = clk_register_fixed_factor(NULL, "usbh.1_clk", "usbh_clk", 0, 1, | ||
494 | 1); | ||
495 | clk_register_clkdev(clk, "usbh.1_clk", NULL); | ||
496 | |||
497 | clk = clk_register_gate(NULL, "usbd_clk", "pll3_48m_clk", 0, | ||
498 | PERIP1_CLK_ENB, USBD_CLK_ENB, 0, &_lock); | ||
499 | clk_register_clkdev(clk, NULL, "designware_udc"); | ||
500 | |||
501 | /* clock derived from ahb clk */ | ||
502 | clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2, | ||
503 | 1); | ||
504 | clk_register_clkdev(clk, "ahbmult2_clk", NULL); | ||
505 | |||
506 | clk = clk_register_mux(NULL, "ddr_clk", ddr_parents, | ||
507 | ARRAY_SIZE(ddr_parents), 0, PLL_CLK_CFG, MCTR_CLK_SHIFT, | ||
508 | MCTR_CLK_MASK, 0, &_lock); | ||
509 | clk_register_clkdev(clk, "ddr_clk", NULL); | ||
510 | |||
511 | clk = clk_register_divider(NULL, "apb_clk", "ahb_clk", | ||
512 | CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT, | ||
513 | PCLK_RATIO_MASK, 0, &_lock); | ||
514 | clk_register_clkdev(clk, "apb_clk", NULL); | ||
515 | |||
516 | clk = clk_register_gate(NULL, "amem_clk", "ahb_clk", 0, AMEM_CLK_CFG, | ||
517 | AMEM_CLK_ENB, 0, &_lock); | ||
518 | clk_register_clkdev(clk, "amem_clk", NULL); | ||
519 | |||
520 | clk = clk_register_gate(NULL, "c3_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
521 | C3_CLK_ENB, 0, &_lock); | ||
522 | clk_register_clkdev(clk, NULL, "c3_clk"); | ||
523 | |||
524 | clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
525 | DMA_CLK_ENB, 0, &_lock); | ||
526 | clk_register_clkdev(clk, NULL, "fc400000.dma"); | ||
527 | |||
528 | clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
529 | GMAC_CLK_ENB, 0, &_lock); | ||
530 | clk_register_clkdev(clk, NULL, "e0800000.eth"); | ||
531 | |||
532 | clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
533 | I2C_CLK_ENB, 0, &_lock); | ||
534 | clk_register_clkdev(clk, NULL, "d0180000.i2c"); | ||
535 | |||
536 | clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
537 | JPEG_CLK_ENB, 0, &_lock); | ||
538 | clk_register_clkdev(clk, NULL, "jpeg"); | ||
539 | |||
540 | clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
541 | SMI_CLK_ENB, 0, &_lock); | ||
542 | clk_register_clkdev(clk, NULL, "fc000000.flash"); | ||
543 | |||
544 | /* clock derived from apb clk */ | ||
545 | clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
546 | ADC_CLK_ENB, 0, &_lock); | ||
547 | clk_register_clkdev(clk, NULL, "adc"); | ||
548 | |||
549 | clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
550 | GPIO_CLK_ENB, 0, &_lock); | ||
551 | clk_register_clkdev(clk, NULL, "fc980000.gpio"); | ||
552 | |||
553 | clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
554 | SSP_CLK_ENB, 0, &_lock); | ||
555 | clk_register_clkdev(clk, NULL, "d0100000.spi"); | ||
556 | |||
557 | /* RAS clk enable */ | ||
558 | clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0, RAS_CLK_ENB, | ||
559 | RAS_AHB_CLK_ENB, 0, &_lock); | ||
560 | clk_register_clkdev(clk, "ras_ahb_clk", NULL); | ||
561 | |||
562 | clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB, | ||
563 | RAS_APB_CLK_ENB, 0, &_lock); | ||
564 | clk_register_clkdev(clk, "ras_apb_clk", NULL); | ||
565 | |||
566 | clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0, | ||
567 | RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock); | ||
568 | clk_register_clkdev(clk, "ras_32k_clk", NULL); | ||
569 | |||
570 | clk = clk_register_gate(NULL, "ras_24m_clk", "osc_24m_clk", 0, | ||
571 | RAS_CLK_ENB, RAS_24M_CLK_ENB, 0, &_lock); | ||
572 | clk_register_clkdev(clk, "ras_24m_clk", NULL); | ||
573 | |||
574 | clk = clk_register_gate(NULL, "ras_pll1_clk", "pll1_clk", 0, | ||
575 | RAS_CLK_ENB, RAS_PLL1_CLK_ENB, 0, &_lock); | ||
576 | clk_register_clkdev(clk, "ras_pll1_clk", NULL); | ||
577 | |||
578 | clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0, | ||
579 | RAS_CLK_ENB, RAS_PLL2_CLK_ENB, 0, &_lock); | ||
580 | clk_register_clkdev(clk, "ras_pll2_clk", NULL); | ||
581 | |||
582 | clk = clk_register_gate(NULL, "ras_pll3_48m_clk", "pll3_48m_clk", 0, | ||
583 | RAS_CLK_ENB, RAS_48M_CLK_ENB, 0, &_lock); | ||
584 | clk_register_clkdev(clk, "ras_pll3_48m_clk", NULL); | ||
585 | |||
586 | clk = clk_register_gate(NULL, "ras_gen0_synth_gate_clk", | ||
587 | "gen0_synth_gate_clk", 0, RAS_CLK_ENB, | ||
588 | RAS_SYNT0_CLK_ENB, 0, &_lock); | ||
589 | clk_register_clkdev(clk, "ras_gen0_synth_gate_clk", NULL); | ||
590 | |||
591 | clk = clk_register_gate(NULL, "ras_gen1_synth_gate_clk", | ||
592 | "gen1_synth_gate_clk", 0, RAS_CLK_ENB, | ||
593 | RAS_SYNT1_CLK_ENB, 0, &_lock); | ||
594 | clk_register_clkdev(clk, "ras_gen1_synth_gate_clk", NULL); | ||
595 | |||
596 | clk = clk_register_gate(NULL, "ras_gen2_synth_gate_clk", | ||
597 | "gen2_synth_gate_clk", 0, RAS_CLK_ENB, | ||
598 | RAS_SYNT2_CLK_ENB, 0, &_lock); | ||
599 | clk_register_clkdev(clk, "ras_gen2_synth_gate_clk", NULL); | ||
600 | |||
601 | clk = clk_register_gate(NULL, "ras_gen3_synth_gate_clk", | ||
602 | "gen3_synth_gate_clk", 0, RAS_CLK_ENB, | ||
603 | RAS_SYNT3_CLK_ENB, 0, &_lock); | ||
604 | clk_register_clkdev(clk, "ras_gen3_synth_gate_clk", NULL); | ||
605 | |||
606 | if (of_machine_is_compatible("st,spear300")) | ||
607 | spear300_clk_init(); | ||
608 | else if (of_machine_is_compatible("st,spear310")) | ||
609 | spear310_clk_init(); | ||
610 | else if (of_machine_is_compatible("st,spear320")) | ||
611 | spear320_clk_init(); | ||
612 | } | ||
diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c new file mode 100644 index 000000000000..f9a20b382304 --- /dev/null +++ b/drivers/clk/spear/spear6xx_clock.c | |||
@@ -0,0 +1,342 @@ | |||
1 | /* | ||
2 | * SPEAr6xx machines clock framework source file | ||
3 | * | ||
4 | * Copyright (C) 2012 ST Microelectronics | ||
5 | * Viresh Kumar <viresh.kumar@st.com> | ||
6 | * | ||
7 | * This file is licensed under the terms of the GNU General Public | ||
8 | * License version 2. This program is licensed "as is" without any | ||
9 | * warranty of any kind, whether express or implied. | ||
10 | */ | ||
11 | |||
12 | #include <linux/clk.h> | ||
13 | #include <linux/clkdev.h> | ||
14 | #include <linux/io.h> | ||
15 | #include <linux/spinlock_types.h> | ||
16 | #include <mach/misc_regs.h> | ||
17 | #include "clk.h" | ||
18 | |||
19 | static DEFINE_SPINLOCK(_lock); | ||
20 | |||
21 | #define PLL1_CTR (MISC_BASE + 0x008) | ||
22 | #define PLL1_FRQ (MISC_BASE + 0x00C) | ||
23 | #define PLL2_CTR (MISC_BASE + 0x014) | ||
24 | #define PLL2_FRQ (MISC_BASE + 0x018) | ||
25 | #define PLL_CLK_CFG (MISC_BASE + 0x020) | ||
26 | /* PLL_CLK_CFG register masks */ | ||
27 | #define MCTR_CLK_SHIFT 28 | ||
28 | #define MCTR_CLK_MASK 3 | ||
29 | |||
30 | #define CORE_CLK_CFG (MISC_BASE + 0x024) | ||
31 | /* CORE CLK CFG register masks */ | ||
32 | #define HCLK_RATIO_SHIFT 10 | ||
33 | #define HCLK_RATIO_MASK 2 | ||
34 | #define PCLK_RATIO_SHIFT 8 | ||
35 | #define PCLK_RATIO_MASK 2 | ||
36 | |||
37 | #define PERIP_CLK_CFG (MISC_BASE + 0x028) | ||
38 | /* PERIP_CLK_CFG register masks */ | ||
39 | #define CLCD_CLK_SHIFT 2 | ||
40 | #define CLCD_CLK_MASK 2 | ||
41 | #define UART_CLK_SHIFT 4 | ||
42 | #define UART_CLK_MASK 1 | ||
43 | #define FIRDA_CLK_SHIFT 5 | ||
44 | #define FIRDA_CLK_MASK 2 | ||
45 | #define GPT0_CLK_SHIFT 8 | ||
46 | #define GPT1_CLK_SHIFT 10 | ||
47 | #define GPT2_CLK_SHIFT 11 | ||
48 | #define GPT3_CLK_SHIFT 12 | ||
49 | #define GPT_CLK_MASK 1 | ||
50 | |||
51 | #define PERIP1_CLK_ENB (MISC_BASE + 0x02C) | ||
52 | /* PERIP1_CLK_ENB register masks */ | ||
53 | #define UART0_CLK_ENB 3 | ||
54 | #define UART1_CLK_ENB 4 | ||
55 | #define SSP0_CLK_ENB 5 | ||
56 | #define SSP1_CLK_ENB 6 | ||
57 | #define I2C_CLK_ENB 7 | ||
58 | #define JPEG_CLK_ENB 8 | ||
59 | #define FSMC_CLK_ENB 9 | ||
60 | #define FIRDA_CLK_ENB 10 | ||
61 | #define GPT2_CLK_ENB 11 | ||
62 | #define GPT3_CLK_ENB 12 | ||
63 | #define GPIO2_CLK_ENB 13 | ||
64 | #define SSP2_CLK_ENB 14 | ||
65 | #define ADC_CLK_ENB 15 | ||
66 | #define GPT1_CLK_ENB 11 | ||
67 | #define RTC_CLK_ENB 17 | ||
68 | #define GPIO1_CLK_ENB 18 | ||
69 | #define DMA_CLK_ENB 19 | ||
70 | #define SMI_CLK_ENB 21 | ||
71 | #define CLCD_CLK_ENB 22 | ||
72 | #define GMAC_CLK_ENB 23 | ||
73 | #define USBD_CLK_ENB 24 | ||
74 | #define USBH0_CLK_ENB 25 | ||
75 | #define USBH1_CLK_ENB 26 | ||
76 | |||
77 | #define PRSC0_CLK_CFG (MISC_BASE + 0x044) | ||
78 | #define PRSC1_CLK_CFG (MISC_BASE + 0x048) | ||
79 | #define PRSC2_CLK_CFG (MISC_BASE + 0x04C) | ||
80 | |||
81 | #define CLCD_CLK_SYNT (MISC_BASE + 0x05C) | ||
82 | #define FIRDA_CLK_SYNT (MISC_BASE + 0x060) | ||
83 | #define UART_CLK_SYNT (MISC_BASE + 0x064) | ||
84 | |||
85 | /* vco rate configuration table, in ascending order of rates */ | ||
86 | static struct pll_rate_tbl pll_rtbl[] = { | ||
87 | {.mode = 0, .m = 0x53, .n = 0x0F, .p = 0x1}, /* vco 332 & pll 166 MHz */ | ||
88 | {.mode = 0, .m = 0x85, .n = 0x0F, .p = 0x1}, /* vco 532 & pll 266 MHz */ | ||
89 | {.mode = 0, .m = 0xA6, .n = 0x0F, .p = 0x1}, /* vco 664 & pll 332 MHz */ | ||
90 | }; | ||
91 | |||
92 | /* aux rate configuration table, in ascending order of rates */ | ||
93 | static struct aux_rate_tbl aux_rtbl[] = { | ||
94 | /* For PLL1 = 332 MHz */ | ||
95 | {.xscale = 2, .yscale = 8, .eq = 0}, /* 41.5 MHz */ | ||
96 | {.xscale = 2, .yscale = 4, .eq = 0}, /* 83 MHz */ | ||
97 | {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ | ||
98 | }; | ||
99 | |||
100 | static const char *clcd_parents[] = { "pll3_48m_clk", "clcd_synth_gate_clk", }; | ||
101 | static const char *firda_parents[] = { "pll3_48m_clk", "firda_synth_gate_clk", | ||
102 | }; | ||
103 | static const char *uart_parents[] = { "pll3_48m_clk", "uart_synth_gate_clk", }; | ||
104 | static const char *gpt0_1_parents[] = { "pll3_48m_clk", "gpt0_1_synth_clk", }; | ||
105 | static const char *gpt2_parents[] = { "pll3_48m_clk", "gpt2_synth_clk", }; | ||
106 | static const char *gpt3_parents[] = { "pll3_48m_clk", "gpt3_synth_clk", }; | ||
107 | static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none", | ||
108 | "pll2_clk", }; | ||
109 | |||
110 | /* gpt rate configuration table, in ascending order of rates */ | ||
111 | static struct gpt_rate_tbl gpt_rtbl[] = { | ||
112 | /* For pll1 = 332 MHz */ | ||
113 | {.mscale = 4, .nscale = 0}, /* 41.5 MHz */ | ||
114 | {.mscale = 2, .nscale = 0}, /* 55.3 MHz */ | ||
115 | {.mscale = 1, .nscale = 0}, /* 83 MHz */ | ||
116 | }; | ||
117 | |||
118 | void __init spear6xx_clk_init(void) | ||
119 | { | ||
120 | struct clk *clk, *clk1; | ||
121 | |||
122 | clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0); | ||
123 | clk_register_clkdev(clk, "apb_pclk", NULL); | ||
124 | |||
125 | clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT, | ||
126 | 32000); | ||
127 | clk_register_clkdev(clk, "osc_32k_clk", NULL); | ||
128 | |||
129 | clk = clk_register_fixed_rate(NULL, "osc_30m_clk", NULL, CLK_IS_ROOT, | ||
130 | 30000000); | ||
131 | clk_register_clkdev(clk, "osc_30m_clk", NULL); | ||
132 | |||
133 | /* clock derived from 32 KHz osc clk */ | ||
134 | clk = clk_register_gate(NULL, "rtc_spear", "osc_32k_clk", 0, | ||
135 | PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock); | ||
136 | clk_register_clkdev(clk, NULL, "rtc-spear"); | ||
137 | |||
138 | /* clock derived from 30 MHz osc clk */ | ||
139 | clk = clk_register_fixed_rate(NULL, "pll3_48m_clk", "osc_24m_clk", 0, | ||
140 | 48000000); | ||
141 | clk_register_clkdev(clk, "pll3_48m_clk", NULL); | ||
142 | |||
143 | clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "osc_30m_clk", | ||
144 | 0, PLL1_CTR, PLL1_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), | ||
145 | &_lock, &clk1, NULL); | ||
146 | clk_register_clkdev(clk, "vco1_clk", NULL); | ||
147 | clk_register_clkdev(clk1, "pll1_clk", NULL); | ||
148 | |||
149 | clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, | ||
150 | "osc_30m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl, | ||
151 | ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); | ||
152 | clk_register_clkdev(clk, "vco2_clk", NULL); | ||
153 | clk_register_clkdev(clk1, "pll2_clk", NULL); | ||
154 | |||
155 | clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_30m_clk", 0, 1, | ||
156 | 1); | ||
157 | clk_register_clkdev(clk, NULL, "wdt"); | ||
158 | |||
159 | /* clock derived from pll1 clk */ | ||
160 | clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk", 0, 1, 1); | ||
161 | clk_register_clkdev(clk, "cpu_clk", NULL); | ||
162 | |||
163 | clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk", | ||
164 | CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT, | ||
165 | HCLK_RATIO_MASK, 0, &_lock); | ||
166 | clk_register_clkdev(clk, "ahb_clk", NULL); | ||
167 | |||
168 | clk = clk_register_aux("uart_synth_clk", "uart_synth_gate_clk", | ||
169 | "pll1_clk", 0, UART_CLK_SYNT, NULL, aux_rtbl, | ||
170 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
171 | clk_register_clkdev(clk, "uart_synth_clk", NULL); | ||
172 | clk_register_clkdev(clk1, "uart_synth_gate_clk", NULL); | ||
173 | |||
174 | clk = clk_register_mux(NULL, "uart_mux_clk", uart_parents, | ||
175 | ARRAY_SIZE(uart_parents), 0, PERIP_CLK_CFG, | ||
176 | UART_CLK_SHIFT, UART_CLK_MASK, 0, &_lock); | ||
177 | clk_register_clkdev(clk, "uart_mux_clk", NULL); | ||
178 | |||
179 | clk = clk_register_gate(NULL, "uart0", "uart_mux_clk", 0, | ||
180 | PERIP1_CLK_ENB, UART0_CLK_ENB, 0, &_lock); | ||
181 | clk_register_clkdev(clk, NULL, "d0000000.serial"); | ||
182 | |||
183 | clk = clk_register_gate(NULL, "uart1", "uart_mux_clk", 0, | ||
184 | PERIP1_CLK_ENB, UART1_CLK_ENB, 0, &_lock); | ||
185 | clk_register_clkdev(clk, NULL, "d0080000.serial"); | ||
186 | |||
187 | clk = clk_register_aux("firda_synth_clk", "firda_synth_gate_clk", | ||
188 | "pll1_clk", 0, FIRDA_CLK_SYNT, NULL, aux_rtbl, | ||
189 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
190 | clk_register_clkdev(clk, "firda_synth_clk", NULL); | ||
191 | clk_register_clkdev(clk1, "firda_synth_gate_clk", NULL); | ||
192 | |||
193 | clk = clk_register_mux(NULL, "firda_mux_clk", firda_parents, | ||
194 | ARRAY_SIZE(firda_parents), 0, PERIP_CLK_CFG, | ||
195 | FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0, &_lock); | ||
196 | clk_register_clkdev(clk, "firda_mux_clk", NULL); | ||
197 | |||
198 | clk = clk_register_gate(NULL, "firda_clk", "firda_mux_clk", 0, | ||
199 | PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, &_lock); | ||
200 | clk_register_clkdev(clk, NULL, "firda"); | ||
201 | |||
202 | clk = clk_register_aux("clcd_synth_clk", "clcd_synth_gate_clk", | ||
203 | "pll1_clk", 0, CLCD_CLK_SYNT, NULL, aux_rtbl, | ||
204 | ARRAY_SIZE(aux_rtbl), &_lock, &clk1); | ||
205 | clk_register_clkdev(clk, "clcd_synth_clk", NULL); | ||
206 | clk_register_clkdev(clk1, "clcd_synth_gate_clk", NULL); | ||
207 | |||
208 | clk = clk_register_mux(NULL, "clcd_mux_clk", clcd_parents, | ||
209 | ARRAY_SIZE(clcd_parents), 0, PERIP_CLK_CFG, | ||
210 | CLCD_CLK_SHIFT, CLCD_CLK_MASK, 0, &_lock); | ||
211 | clk_register_clkdev(clk, "clcd_mux_clk", NULL); | ||
212 | |||
213 | clk = clk_register_gate(NULL, "clcd_clk", "clcd_mux_clk", 0, | ||
214 | PERIP1_CLK_ENB, CLCD_CLK_ENB, 0, &_lock); | ||
215 | clk_register_clkdev(clk, NULL, "clcd"); | ||
216 | |||
217 | /* gpt clocks */ | ||
218 | clk = clk_register_gpt("gpt0_1_synth_clk", "pll1_clk", 0, PRSC0_CLK_CFG, | ||
219 | gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); | ||
220 | clk_register_clkdev(clk, "gpt0_1_synth_clk", NULL); | ||
221 | |||
222 | clk = clk_register_mux(NULL, "gpt0_mux_clk", gpt0_1_parents, | ||
223 | ARRAY_SIZE(gpt0_1_parents), 0, PERIP_CLK_CFG, | ||
224 | GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); | ||
225 | clk_register_clkdev(clk, NULL, "gpt0"); | ||
226 | |||
227 | clk = clk_register_mux(NULL, "gpt1_mux_clk", gpt0_1_parents, | ||
228 | ARRAY_SIZE(gpt0_1_parents), 0, PERIP_CLK_CFG, | ||
229 | GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); | ||
230 | clk_register_clkdev(clk, "gpt1_mux_clk", NULL); | ||
231 | |||
232 | clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mux_clk", 0, | ||
233 | PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, &_lock); | ||
234 | clk_register_clkdev(clk, NULL, "gpt1"); | ||
235 | |||
236 | clk = clk_register_gpt("gpt2_synth_clk", "pll1_clk", 0, PRSC1_CLK_CFG, | ||
237 | gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); | ||
238 | clk_register_clkdev(clk, "gpt2_synth_clk", NULL); | ||
239 | |||
240 | clk = clk_register_mux(NULL, "gpt2_mux_clk", gpt2_parents, | ||
241 | ARRAY_SIZE(gpt2_parents), 0, PERIP_CLK_CFG, | ||
242 | GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); | ||
243 | clk_register_clkdev(clk, "gpt2_mux_clk", NULL); | ||
244 | |||
245 | clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mux_clk", 0, | ||
246 | PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, &_lock); | ||
247 | clk_register_clkdev(clk, NULL, "gpt2"); | ||
248 | |||
249 | clk = clk_register_gpt("gpt3_synth_clk", "pll1_clk", 0, PRSC2_CLK_CFG, | ||
250 | gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); | ||
251 | clk_register_clkdev(clk, "gpt3_synth_clk", NULL); | ||
252 | |||
253 | clk = clk_register_mux(NULL, "gpt3_mux_clk", gpt3_parents, | ||
254 | ARRAY_SIZE(gpt3_parents), 0, PERIP_CLK_CFG, | ||
255 | GPT3_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); | ||
256 | clk_register_clkdev(clk, "gpt3_mux_clk", NULL); | ||
257 | |||
258 | clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mux_clk", 0, | ||
259 | PERIP1_CLK_ENB, GPT3_CLK_ENB, 0, &_lock); | ||
260 | clk_register_clkdev(clk, NULL, "gpt3"); | ||
261 | |||
262 | /* clock derived from pll3 clk */ | ||
263 | clk = clk_register_gate(NULL, "usbh0_clk", "pll3_48m_clk", 0, | ||
264 | PERIP1_CLK_ENB, USBH0_CLK_ENB, 0, &_lock); | ||
265 | clk_register_clkdev(clk, NULL, "usbh.0_clk"); | ||
266 | |||
267 | clk = clk_register_gate(NULL, "usbh1_clk", "pll3_48m_clk", 0, | ||
268 | PERIP1_CLK_ENB, USBH1_CLK_ENB, 0, &_lock); | ||
269 | clk_register_clkdev(clk, NULL, "usbh.1_clk"); | ||
270 | |||
271 | clk = clk_register_gate(NULL, "usbd_clk", "pll3_48m_clk", 0, | ||
272 | PERIP1_CLK_ENB, USBD_CLK_ENB, 0, &_lock); | ||
273 | clk_register_clkdev(clk, NULL, "designware_udc"); | ||
274 | |||
275 | /* clock derived from ahb clk */ | ||
276 | clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2, | ||
277 | 1); | ||
278 | clk_register_clkdev(clk, "ahbmult2_clk", NULL); | ||
279 | |||
280 | clk = clk_register_mux(NULL, "ddr_clk", ddr_parents, | ||
281 | ARRAY_SIZE(ddr_parents), | ||
282 | 0, PLL_CLK_CFG, MCTR_CLK_SHIFT, MCTR_CLK_MASK, 0, | ||
283 | &_lock); | ||
284 | clk_register_clkdev(clk, "ddr_clk", NULL); | ||
285 | |||
286 | clk = clk_register_divider(NULL, "apb_clk", "ahb_clk", | ||
287 | CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT, | ||
288 | PCLK_RATIO_MASK, 0, &_lock); | ||
289 | clk_register_clkdev(clk, "apb_clk", NULL); | ||
290 | |||
291 | clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
292 | DMA_CLK_ENB, 0, &_lock); | ||
293 | clk_register_clkdev(clk, NULL, "fc400000.dma"); | ||
294 | |||
295 | clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
296 | FSMC_CLK_ENB, 0, &_lock); | ||
297 | clk_register_clkdev(clk, NULL, "d1800000.flash"); | ||
298 | |||
299 | clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
300 | GMAC_CLK_ENB, 0, &_lock); | ||
301 | clk_register_clkdev(clk, NULL, "gmac"); | ||
302 | |||
303 | clk = clk_register_gate(NULL, "i2c_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
304 | I2C_CLK_ENB, 0, &_lock); | ||
305 | clk_register_clkdev(clk, NULL, "d0200000.i2c"); | ||
306 | |||
307 | clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
308 | JPEG_CLK_ENB, 0, &_lock); | ||
309 | clk_register_clkdev(clk, NULL, "jpeg"); | ||
310 | |||
311 | clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB, | ||
312 | SMI_CLK_ENB, 0, &_lock); | ||
313 | clk_register_clkdev(clk, NULL, "fc000000.flash"); | ||
314 | |||
315 | /* clock derived from apb clk */ | ||
316 | clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
317 | ADC_CLK_ENB, 0, &_lock); | ||
318 | clk_register_clkdev(clk, NULL, "adc"); | ||
319 | |||
320 | clk = clk_register_fixed_factor(NULL, "gpio0_clk", "apb_clk", 0, 1, 1); | ||
321 | clk_register_clkdev(clk, NULL, "f0100000.gpio"); | ||
322 | |||
323 | clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
324 | GPIO1_CLK_ENB, 0, &_lock); | ||
325 | clk_register_clkdev(clk, NULL, "fc980000.gpio"); | ||
326 | |||
327 | clk = clk_register_gate(NULL, "gpio2_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
328 | GPIO2_CLK_ENB, 0, &_lock); | ||
329 | clk_register_clkdev(clk, NULL, "d8100000.gpio"); | ||
330 | |||
331 | clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
332 | SSP0_CLK_ENB, 0, &_lock); | ||
333 | clk_register_clkdev(clk, NULL, "ssp-pl022.0"); | ||
334 | |||
335 | clk = clk_register_gate(NULL, "ssp1_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
336 | SSP1_CLK_ENB, 0, &_lock); | ||
337 | clk_register_clkdev(clk, NULL, "ssp-pl022.1"); | ||
338 | |||
339 | clk = clk_register_gate(NULL, "ssp2_clk", "apb_clk", 0, PERIP1_CLK_ENB, | ||
340 | SSP2_CLK_ENB, 0, &_lock); | ||
341 | clk_register_clkdev(clk, NULL, "ssp-pl022.2"); | ||
342 | } | ||
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c index e6ecc5f23943..1cc6b3f3e262 100644 --- a/drivers/crypto/mv_cesa.c +++ b/drivers/crypto/mv_cesa.c | |||
@@ -16,6 +16,7 @@ | |||
16 | #include <linux/scatterlist.h> | 16 | #include <linux/scatterlist.h> |
17 | #include <linux/slab.h> | 17 | #include <linux/slab.h> |
18 | #include <linux/module.h> | 18 | #include <linux/module.h> |
19 | #include <linux/clk.h> | ||
19 | #include <crypto/internal/hash.h> | 20 | #include <crypto/internal/hash.h> |
20 | #include <crypto/sha.h> | 21 | #include <crypto/sha.h> |
21 | 22 | ||
@@ -79,6 +80,7 @@ struct crypto_priv { | |||
79 | void __iomem *reg; | 80 | void __iomem *reg; |
80 | void __iomem *sram; | 81 | void __iomem *sram; |
81 | int irq; | 82 | int irq; |
83 | struct clk *clk; | ||
82 | struct task_struct *queue_th; | 84 | struct task_struct *queue_th; |
83 | 85 | ||
84 | /* the lock protects queue and eng_st */ | 86 | /* the lock protects queue and eng_st */ |
@@ -1053,6 +1055,12 @@ static int mv_probe(struct platform_device *pdev) | |||
1053 | if (ret) | 1055 | if (ret) |
1054 | goto err_thread; | 1056 | goto err_thread; |
1055 | 1057 | ||
1058 | /* Not all platforms can gate the clock, so it is not | ||
1059 | an error if the clock does not exists. */ | ||
1060 | cp->clk = clk_get(&pdev->dev, NULL); | ||
1061 | if (!IS_ERR(cp->clk)) | ||
1062 | clk_prepare_enable(cp->clk); | ||
1063 | |||
1056 | writel(SEC_INT_ACCEL0_DONE, cpg->reg + SEC_ACCEL_INT_MASK); | 1064 | writel(SEC_INT_ACCEL0_DONE, cpg->reg + SEC_ACCEL_INT_MASK); |
1057 | writel(SEC_CFG_STOP_DIG_ERR, cpg->reg + SEC_ACCEL_CFG); | 1065 | writel(SEC_CFG_STOP_DIG_ERR, cpg->reg + SEC_ACCEL_CFG); |
1058 | writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0); | 1066 | writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0); |
@@ -1118,6 +1126,12 @@ static int mv_remove(struct platform_device *pdev) | |||
1118 | memset(cp->sram, 0, cp->sram_size); | 1126 | memset(cp->sram, 0, cp->sram_size); |
1119 | iounmap(cp->sram); | 1127 | iounmap(cp->sram); |
1120 | iounmap(cp->reg); | 1128 | iounmap(cp->reg); |
1129 | |||
1130 | if (!IS_ERR(cp->clk)) { | ||
1131 | clk_disable_unprepare(cp->clk); | ||
1132 | clk_put(cp->clk); | ||
1133 | } | ||
1134 | |||
1121 | kfree(cp); | 1135 | kfree(cp); |
1122 | cpg = NULL; | 1136 | cpg = NULL; |
1123 | return 0; | 1137 | return 0; |
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index a472a29d8497..fb4f4990f5eb 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c | |||
@@ -323,7 +323,8 @@ struct sdma_engine { | |||
323 | struct sdma_context_data *context; | 323 | struct sdma_context_data *context; |
324 | dma_addr_t context_phys; | 324 | dma_addr_t context_phys; |
325 | struct dma_device dma_device; | 325 | struct dma_device dma_device; |
326 | struct clk *clk; | 326 | struct clk *clk_ipg; |
327 | struct clk *clk_ahb; | ||
327 | spinlock_t channel_0_lock; | 328 | spinlock_t channel_0_lock; |
328 | struct sdma_script_start_addrs *script_addrs; | 329 | struct sdma_script_start_addrs *script_addrs; |
329 | }; | 330 | }; |
@@ -867,7 +868,8 @@ static int sdma_alloc_chan_resources(struct dma_chan *chan) | |||
867 | sdmac->peripheral_type = data->peripheral_type; | 868 | sdmac->peripheral_type = data->peripheral_type; |
868 | sdmac->event_id0 = data->dma_request; | 869 | sdmac->event_id0 = data->dma_request; |
869 | 870 | ||
870 | clk_enable(sdmac->sdma->clk); | 871 | clk_enable(sdmac->sdma->clk_ipg); |
872 | clk_enable(sdmac->sdma->clk_ahb); | ||
871 | 873 | ||
872 | ret = sdma_request_channel(sdmac); | 874 | ret = sdma_request_channel(sdmac); |
873 | if (ret) | 875 | if (ret) |
@@ -904,7 +906,8 @@ static void sdma_free_chan_resources(struct dma_chan *chan) | |||
904 | 906 | ||
905 | dma_free_coherent(NULL, PAGE_SIZE, sdmac->bd, sdmac->bd_phys); | 907 | dma_free_coherent(NULL, PAGE_SIZE, sdmac->bd, sdmac->bd_phys); |
906 | 908 | ||
907 | clk_disable(sdma->clk); | 909 | clk_disable(sdma->clk_ipg); |
910 | clk_disable(sdma->clk_ahb); | ||
908 | } | 911 | } |
909 | 912 | ||
910 | static struct dma_async_tx_descriptor *sdma_prep_slave_sg( | 913 | static struct dma_async_tx_descriptor *sdma_prep_slave_sg( |
@@ -1177,12 +1180,14 @@ static void sdma_load_firmware(const struct firmware *fw, void *context) | |||
1177 | addr = (void *)header + header->script_addrs_start; | 1180 | addr = (void *)header + header->script_addrs_start; |
1178 | ram_code = (void *)header + header->ram_code_start; | 1181 | ram_code = (void *)header + header->ram_code_start; |
1179 | 1182 | ||
1180 | clk_enable(sdma->clk); | 1183 | clk_enable(sdma->clk_ipg); |
1184 | clk_enable(sdma->clk_ahb); | ||
1181 | /* download the RAM image for SDMA */ | 1185 | /* download the RAM image for SDMA */ |
1182 | sdma_load_script(sdma, ram_code, | 1186 | sdma_load_script(sdma, ram_code, |
1183 | header->ram_code_size, | 1187 | header->ram_code_size, |
1184 | addr->ram_code_start_addr); | 1188 | addr->ram_code_start_addr); |
1185 | clk_disable(sdma->clk); | 1189 | clk_disable(sdma->clk_ipg); |
1190 | clk_disable(sdma->clk_ahb); | ||
1186 | 1191 | ||
1187 | sdma_add_scripts(sdma, addr); | 1192 | sdma_add_scripts(sdma, addr); |
1188 | 1193 | ||
@@ -1224,7 +1229,8 @@ static int __init sdma_init(struct sdma_engine *sdma) | |||
1224 | return -ENODEV; | 1229 | return -ENODEV; |
1225 | } | 1230 | } |
1226 | 1231 | ||
1227 | clk_enable(sdma->clk); | 1232 | clk_enable(sdma->clk_ipg); |
1233 | clk_enable(sdma->clk_ahb); | ||
1228 | 1234 | ||
1229 | /* Be sure SDMA has not started yet */ | 1235 | /* Be sure SDMA has not started yet */ |
1230 | writel_relaxed(0, sdma->regs + SDMA_H_C0PTR); | 1236 | writel_relaxed(0, sdma->regs + SDMA_H_C0PTR); |
@@ -1277,12 +1283,14 @@ static int __init sdma_init(struct sdma_engine *sdma) | |||
1277 | /* Initializes channel's priorities */ | 1283 | /* Initializes channel's priorities */ |
1278 | sdma_set_channel_priority(&sdma->channel[0], 7); | 1284 | sdma_set_channel_priority(&sdma->channel[0], 7); |
1279 | 1285 | ||
1280 | clk_disable(sdma->clk); | 1286 | clk_disable(sdma->clk_ipg); |
1287 | clk_disable(sdma->clk_ahb); | ||
1281 | 1288 | ||
1282 | return 0; | 1289 | return 0; |
1283 | 1290 | ||
1284 | err_dma_alloc: | 1291 | err_dma_alloc: |
1285 | clk_disable(sdma->clk); | 1292 | clk_disable(sdma->clk_ipg); |
1293 | clk_disable(sdma->clk_ahb); | ||
1286 | dev_err(sdma->dev, "initialisation failed with %d\n", ret); | 1294 | dev_err(sdma->dev, "initialisation failed with %d\n", ret); |
1287 | return ret; | 1295 | return ret; |
1288 | } | 1296 | } |
@@ -1321,12 +1329,21 @@ static int __init sdma_probe(struct platform_device *pdev) | |||
1321 | goto err_request_region; | 1329 | goto err_request_region; |
1322 | } | 1330 | } |
1323 | 1331 | ||
1324 | sdma->clk = clk_get(&pdev->dev, NULL); | 1332 | sdma->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); |
1325 | if (IS_ERR(sdma->clk)) { | 1333 | if (IS_ERR(sdma->clk_ipg)) { |
1326 | ret = PTR_ERR(sdma->clk); | 1334 | ret = PTR_ERR(sdma->clk_ipg); |
1327 | goto err_clk; | 1335 | goto err_clk; |
1328 | } | 1336 | } |
1329 | 1337 | ||
1338 | sdma->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); | ||
1339 | if (IS_ERR(sdma->clk_ahb)) { | ||
1340 | ret = PTR_ERR(sdma->clk_ahb); | ||
1341 | goto err_clk; | ||
1342 | } | ||
1343 | |||
1344 | clk_prepare(sdma->clk_ipg); | ||
1345 | clk_prepare(sdma->clk_ahb); | ||
1346 | |||
1330 | sdma->regs = ioremap(iores->start, resource_size(iores)); | 1347 | sdma->regs = ioremap(iores->start, resource_size(iores)); |
1331 | if (!sdma->regs) { | 1348 | if (!sdma->regs) { |
1332 | ret = -ENOMEM; | 1349 | ret = -ENOMEM; |
@@ -1436,7 +1453,6 @@ err_alloc: | |||
1436 | err_request_irq: | 1453 | err_request_irq: |
1437 | iounmap(sdma->regs); | 1454 | iounmap(sdma->regs); |
1438 | err_ioremap: | 1455 | err_ioremap: |
1439 | clk_put(sdma->clk); | ||
1440 | err_clk: | 1456 | err_clk: |
1441 | release_mem_region(iores->start, resource_size(iores)); | 1457 | release_mem_region(iores->start, resource_size(iores)); |
1442 | err_request_region: | 1458 | err_request_region: |
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index 62e3f8ec2461..5ec72044ea4c 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c | |||
@@ -1715,7 +1715,7 @@ static int __init ipu_probe(struct platform_device *pdev) | |||
1715 | } | 1715 | } |
1716 | 1716 | ||
1717 | /* Make sure IPU HSP clock is running */ | 1717 | /* Make sure IPU HSP clock is running */ |
1718 | clk_enable(ipu_data.ipu_clk); | 1718 | clk_prepare_enable(ipu_data.ipu_clk); |
1719 | 1719 | ||
1720 | /* Disable all interrupts */ | 1720 | /* Disable all interrupts */ |
1721 | idmac_write_ipureg(&ipu_data, 0, IPU_INT_CTRL_1); | 1721 | idmac_write_ipureg(&ipu_data, 0, IPU_INT_CTRL_1); |
@@ -1747,7 +1747,7 @@ static int __init ipu_probe(struct platform_device *pdev) | |||
1747 | err_idmac_init: | 1747 | err_idmac_init: |
1748 | err_attach_irq: | 1748 | err_attach_irq: |
1749 | ipu_irq_detach_irq(&ipu_data, pdev); | 1749 | ipu_irq_detach_irq(&ipu_data, pdev); |
1750 | clk_disable(ipu_data.ipu_clk); | 1750 | clk_disable_unprepare(ipu_data.ipu_clk); |
1751 | clk_put(ipu_data.ipu_clk); | 1751 | clk_put(ipu_data.ipu_clk); |
1752 | err_clk_get: | 1752 | err_clk_get: |
1753 | iounmap(ipu_data.reg_ic); | 1753 | iounmap(ipu_data.reg_ic); |
@@ -1765,7 +1765,7 @@ static int __exit ipu_remove(struct platform_device *pdev) | |||
1765 | 1765 | ||
1766 | ipu_idmac_exit(ipu); | 1766 | ipu_idmac_exit(ipu); |
1767 | ipu_irq_detach_irq(ipu, pdev); | 1767 | ipu_irq_detach_irq(ipu, pdev); |
1768 | clk_disable(ipu->ipu_clk); | 1768 | clk_disable_unprepare(ipu->ipu_clk); |
1769 | clk_put(ipu->ipu_clk); | 1769 | clk_put(ipu->ipu_clk); |
1770 | iounmap(ipu->reg_ic); | 1770 | iounmap(ipu->reg_ic); |
1771 | iounmap(ipu->reg_ipu); | 1771 | iounmap(ipu->reg_ipu); |
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index fa5d55fea46c..0b12e68bf79c 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c | |||
@@ -25,6 +25,7 @@ | |||
25 | #include <linux/interrupt.h> | 25 | #include <linux/interrupt.h> |
26 | #include <linux/platform_device.h> | 26 | #include <linux/platform_device.h> |
27 | #include <linux/memory.h> | 27 | #include <linux/memory.h> |
28 | #include <linux/clk.h> | ||
28 | #include <plat/mv_xor.h> | 29 | #include <plat/mv_xor.h> |
29 | 30 | ||
30 | #include "dmaengine.h" | 31 | #include "dmaengine.h" |
@@ -1307,11 +1308,25 @@ static int mv_xor_shared_probe(struct platform_device *pdev) | |||
1307 | if (dram) | 1308 | if (dram) |
1308 | mv_xor_conf_mbus_windows(msp, dram); | 1309 | mv_xor_conf_mbus_windows(msp, dram); |
1309 | 1310 | ||
1311 | /* Not all platforms can gate the clock, so it is not | ||
1312 | * an error if the clock does not exists. | ||
1313 | */ | ||
1314 | msp->clk = clk_get(&pdev->dev, NULL); | ||
1315 | if (!IS_ERR(msp->clk)) | ||
1316 | clk_prepare_enable(msp->clk); | ||
1317 | |||
1310 | return 0; | 1318 | return 0; |
1311 | } | 1319 | } |
1312 | 1320 | ||
1313 | static int mv_xor_shared_remove(struct platform_device *pdev) | 1321 | static int mv_xor_shared_remove(struct platform_device *pdev) |
1314 | { | 1322 | { |
1323 | struct mv_xor_shared_private *msp = platform_get_drvdata(pdev); | ||
1324 | |||
1325 | if (!IS_ERR(msp->clk)) { | ||
1326 | clk_disable_unprepare(msp->clk); | ||
1327 | clk_put(msp->clk); | ||
1328 | } | ||
1329 | |||
1315 | return 0; | 1330 | return 0; |
1316 | } | 1331 | } |
1317 | 1332 | ||
diff --git a/drivers/dma/mv_xor.h b/drivers/dma/mv_xor.h index 654876b7ba1d..a5b422f5a8ab 100644 --- a/drivers/dma/mv_xor.h +++ b/drivers/dma/mv_xor.h | |||
@@ -55,6 +55,7 @@ | |||
55 | struct mv_xor_shared_private { | 55 | struct mv_xor_shared_private { |
56 | void __iomem *xor_base; | 56 | void __iomem *xor_base; |
57 | void __iomem *xor_high_base; | 57 | void __iomem *xor_high_base; |
58 | struct clk *clk; | ||
58 | }; | 59 | }; |
59 | 60 | ||
60 | 61 | ||
diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index 02d54a057b60..f13643d31353 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c | |||
@@ -511,7 +511,7 @@ static void mx3_camera_activate(struct mx3_camera_dev *mx3_cam, | |||
511 | /* ipu_csi_init_interface() */ | 511 | /* ipu_csi_init_interface() */ |
512 | csi_reg_write(mx3_cam, conf, CSI_SENS_CONF); | 512 | csi_reg_write(mx3_cam, conf, CSI_SENS_CONF); |
513 | 513 | ||
514 | clk_enable(mx3_cam->clk); | 514 | clk_prepare_enable(mx3_cam->clk); |
515 | rate = clk_round_rate(mx3_cam->clk, mx3_cam->mclk); | 515 | rate = clk_round_rate(mx3_cam->clk, mx3_cam->mclk); |
516 | dev_dbg(icd->parent, "Set SENS_CONF to %x, rate %ld\n", conf, rate); | 516 | dev_dbg(icd->parent, "Set SENS_CONF to %x, rate %ld\n", conf, rate); |
517 | if (rate) | 517 | if (rate) |
@@ -552,7 +552,7 @@ static void mx3_camera_remove_device(struct soc_camera_device *icd) | |||
552 | *ichan = NULL; | 552 | *ichan = NULL; |
553 | } | 553 | } |
554 | 554 | ||
555 | clk_disable(mx3_cam->clk); | 555 | clk_disable_unprepare(mx3_cam->clk); |
556 | 556 | ||
557 | mx3_cam->icd = NULL; | 557 | mx3_cam->icd = NULL; |
558 | 558 | ||
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index eeb8cd125b0c..3b9136c1a475 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c | |||
@@ -19,6 +19,7 @@ | |||
19 | #include <linux/dma-mapping.h> | 19 | #include <linux/dma-mapping.h> |
20 | #include <linux/scatterlist.h> | 20 | #include <linux/scatterlist.h> |
21 | #include <linux/irq.h> | 21 | #include <linux/irq.h> |
22 | #include <linux/clk.h> | ||
22 | #include <linux/gpio.h> | 23 | #include <linux/gpio.h> |
23 | #include <linux/mmc/host.h> | 24 | #include <linux/mmc/host.h> |
24 | 25 | ||
@@ -51,6 +52,7 @@ struct mvsd_host { | |||
51 | struct device *dev; | 52 | struct device *dev; |
52 | struct resource *res; | 53 | struct resource *res; |
53 | int irq; | 54 | int irq; |
55 | struct clk *clk; | ||
54 | int gpio_card_detect; | 56 | int gpio_card_detect; |
55 | int gpio_write_protect; | 57 | int gpio_write_protect; |
56 | }; | 58 | }; |
@@ -770,6 +772,13 @@ static int __init mvsd_probe(struct platform_device *pdev) | |||
770 | } else | 772 | } else |
771 | host->irq = irq; | 773 | host->irq = irq; |
772 | 774 | ||
775 | /* Not all platforms can gate the clock, so it is not | ||
776 | an error if the clock does not exists. */ | ||
777 | host->clk = clk_get(&pdev->dev, NULL); | ||
778 | if (!IS_ERR(host->clk)) { | ||
779 | clk_prepare_enable(host->clk); | ||
780 | } | ||
781 | |||
773 | if (mvsd_data->gpio_card_detect) { | 782 | if (mvsd_data->gpio_card_detect) { |
774 | ret = gpio_request(mvsd_data->gpio_card_detect, | 783 | ret = gpio_request(mvsd_data->gpio_card_detect, |
775 | DRIVER_NAME " cd"); | 784 | DRIVER_NAME " cd"); |
@@ -854,6 +863,11 @@ static int __exit mvsd_remove(struct platform_device *pdev) | |||
854 | mvsd_power_down(host); | 863 | mvsd_power_down(host); |
855 | iounmap(host->base); | 864 | iounmap(host->base); |
856 | release_resource(host->res); | 865 | release_resource(host->res); |
866 | |||
867 | if (!IS_ERR(host->clk)) { | ||
868 | clk_disable_unprepare(host->clk); | ||
869 | clk_put(host->clk); | ||
870 | } | ||
857 | mmc_free_host(mmc); | 871 | mmc_free_host(mmc); |
858 | } | 872 | } |
859 | platform_set_drvdata(pdev, NULL); | 873 | platform_set_drvdata(pdev, NULL); |
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index b2058b432320..28ed52d58f7f 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c | |||
@@ -136,7 +136,8 @@ struct mxcmci_host { | |||
136 | u16 rev_no; | 136 | u16 rev_no; |
137 | unsigned int cmdat; | 137 | unsigned int cmdat; |
138 | 138 | ||
139 | struct clk *clk; | 139 | struct clk *clk_ipg; |
140 | struct clk *clk_per; | ||
140 | 141 | ||
141 | int clock; | 142 | int clock; |
142 | 143 | ||
@@ -672,7 +673,7 @@ static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios) | |||
672 | { | 673 | { |
673 | unsigned int divider; | 674 | unsigned int divider; |
674 | int prescaler = 0; | 675 | int prescaler = 0; |
675 | unsigned int clk_in = clk_get_rate(host->clk); | 676 | unsigned int clk_in = clk_get_rate(host->clk_per); |
676 | 677 | ||
677 | while (prescaler <= 0x800) { | 678 | while (prescaler <= 0x800) { |
678 | for (divider = 1; divider <= 0xF; divider++) { | 679 | for (divider = 1; divider <= 0xF; divider++) { |
@@ -900,12 +901,20 @@ static int mxcmci_probe(struct platform_device *pdev) | |||
900 | host->res = r; | 901 | host->res = r; |
901 | host->irq = irq; | 902 | host->irq = irq; |
902 | 903 | ||
903 | host->clk = clk_get(&pdev->dev, NULL); | 904 | host->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); |
904 | if (IS_ERR(host->clk)) { | 905 | if (IS_ERR(host->clk_ipg)) { |
905 | ret = PTR_ERR(host->clk); | 906 | ret = PTR_ERR(host->clk_ipg); |
906 | goto out_iounmap; | 907 | goto out_iounmap; |
907 | } | 908 | } |
908 | clk_enable(host->clk); | 909 | |
910 | host->clk_per = devm_clk_get(&pdev->dev, "per"); | ||
911 | if (IS_ERR(host->clk_per)) { | ||
912 | ret = PTR_ERR(host->clk_per); | ||
913 | goto out_iounmap; | ||
914 | } | ||
915 | |||
916 | clk_prepare_enable(host->clk_per); | ||
917 | clk_prepare_enable(host->clk_ipg); | ||
909 | 918 | ||
910 | mxcmci_softreset(host); | 919 | mxcmci_softreset(host); |
911 | 920 | ||
@@ -917,8 +926,8 @@ static int mxcmci_probe(struct platform_device *pdev) | |||
917 | goto out_clk_put; | 926 | goto out_clk_put; |
918 | } | 927 | } |
919 | 928 | ||
920 | mmc->f_min = clk_get_rate(host->clk) >> 16; | 929 | mmc->f_min = clk_get_rate(host->clk_per) >> 16; |
921 | mmc->f_max = clk_get_rate(host->clk) >> 1; | 930 | mmc->f_max = clk_get_rate(host->clk_per) >> 1; |
922 | 931 | ||
923 | /* recommended in data sheet */ | 932 | /* recommended in data sheet */ |
924 | writew(0x2db4, host->base + MMC_REG_READ_TO); | 933 | writew(0x2db4, host->base + MMC_REG_READ_TO); |
@@ -967,8 +976,8 @@ out_free_dma: | |||
967 | if (host->dma) | 976 | if (host->dma) |
968 | dma_release_channel(host->dma); | 977 | dma_release_channel(host->dma); |
969 | out_clk_put: | 978 | out_clk_put: |
970 | clk_disable(host->clk); | 979 | clk_disable_unprepare(host->clk_per); |
971 | clk_put(host->clk); | 980 | clk_disable_unprepare(host->clk_ipg); |
972 | out_iounmap: | 981 | out_iounmap: |
973 | iounmap(host->base); | 982 | iounmap(host->base); |
974 | out_free: | 983 | out_free: |
@@ -999,8 +1008,8 @@ static int mxcmci_remove(struct platform_device *pdev) | |||
999 | if (host->dma) | 1008 | if (host->dma) |
1000 | dma_release_channel(host->dma); | 1009 | dma_release_channel(host->dma); |
1001 | 1010 | ||
1002 | clk_disable(host->clk); | 1011 | clk_disable_unprepare(host->clk_per); |
1003 | clk_put(host->clk); | 1012 | clk_disable_unprepare(host->clk_ipg); |
1004 | 1013 | ||
1005 | release_mem_region(host->res->start, resource_size(host->res)); | 1014 | release_mem_region(host->res->start, resource_size(host->res)); |
1006 | 1015 | ||
@@ -1018,7 +1027,8 @@ static int mxcmci_suspend(struct device *dev) | |||
1018 | 1027 | ||
1019 | if (mmc) | 1028 | if (mmc) |
1020 | ret = mmc_suspend_host(mmc); | 1029 | ret = mmc_suspend_host(mmc); |
1021 | clk_disable(host->clk); | 1030 | clk_disable_unprepare(host->clk_per); |
1031 | clk_disable_unprepare(host->clk_ipg); | ||
1022 | 1032 | ||
1023 | return ret; | 1033 | return ret; |
1024 | } | 1034 | } |
@@ -1029,7 +1039,8 @@ static int mxcmci_resume(struct device *dev) | |||
1029 | struct mxcmci_host *host = mmc_priv(mmc); | 1039 | struct mxcmci_host *host = mmc_priv(mmc); |
1030 | int ret = 0; | 1040 | int ret = 0; |
1031 | 1041 | ||
1032 | clk_enable(host->clk); | 1042 | clk_prepare_enable(host->clk_per); |
1043 | clk_prepare_enable(host->clk_ipg); | ||
1033 | if (mmc) | 1044 | if (mmc) |
1034 | ret = mmc_resume_host(mmc); | 1045 | ret = mmc_resume_host(mmc); |
1035 | 1046 | ||
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 365b16c230f8..ebbe984e5d00 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c | |||
@@ -71,6 +71,9 @@ struct pltfm_imx_data { | |||
71 | enum imx_esdhc_type devtype; | 71 | enum imx_esdhc_type devtype; |
72 | struct pinctrl *pinctrl; | 72 | struct pinctrl *pinctrl; |
73 | struct esdhc_platform_data boarddata; | 73 | struct esdhc_platform_data boarddata; |
74 | struct clk *clk_ipg; | ||
75 | struct clk *clk_ahb; | ||
76 | struct clk *clk_per; | ||
74 | }; | 77 | }; |
75 | 78 | ||
76 | static struct platform_device_id imx_esdhc_devtype[] = { | 79 | static struct platform_device_id imx_esdhc_devtype[] = { |
@@ -439,7 +442,6 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) | |||
439 | struct sdhci_pltfm_host *pltfm_host; | 442 | struct sdhci_pltfm_host *pltfm_host; |
440 | struct sdhci_host *host; | 443 | struct sdhci_host *host; |
441 | struct esdhc_platform_data *boarddata; | 444 | struct esdhc_platform_data *boarddata; |
442 | struct clk *clk; | ||
443 | int err; | 445 | int err; |
444 | struct pltfm_imx_data *imx_data; | 446 | struct pltfm_imx_data *imx_data; |
445 | 447 | ||
@@ -460,14 +462,29 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) | |||
460 | imx_data->devtype = pdev->id_entry->driver_data; | 462 | imx_data->devtype = pdev->id_entry->driver_data; |
461 | pltfm_host->priv = imx_data; | 463 | pltfm_host->priv = imx_data; |
462 | 464 | ||
463 | clk = clk_get(mmc_dev(host->mmc), NULL); | 465 | imx_data->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); |
464 | if (IS_ERR(clk)) { | 466 | if (IS_ERR(imx_data->clk_ipg)) { |
465 | dev_err(mmc_dev(host->mmc), "clk err\n"); | 467 | err = PTR_ERR(imx_data->clk_ipg); |
466 | err = PTR_ERR(clk); | ||
467 | goto err_clk_get; | 468 | goto err_clk_get; |
468 | } | 469 | } |
469 | clk_prepare_enable(clk); | 470 | |
470 | pltfm_host->clk = clk; | 471 | imx_data->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); |
472 | if (IS_ERR(imx_data->clk_ahb)) { | ||
473 | err = PTR_ERR(imx_data->clk_ahb); | ||
474 | goto err_clk_get; | ||
475 | } | ||
476 | |||
477 | imx_data->clk_per = devm_clk_get(&pdev->dev, "per"); | ||
478 | if (IS_ERR(imx_data->clk_per)) { | ||
479 | err = PTR_ERR(imx_data->clk_per); | ||
480 | goto err_clk_get; | ||
481 | } | ||
482 | |||
483 | pltfm_host->clk = imx_data->clk_per; | ||
484 | |||
485 | clk_prepare_enable(imx_data->clk_per); | ||
486 | clk_prepare_enable(imx_data->clk_ipg); | ||
487 | clk_prepare_enable(imx_data->clk_ahb); | ||
471 | 488 | ||
472 | imx_data->pinctrl = devm_pinctrl_get_select_default(&pdev->dev); | 489 | imx_data->pinctrl = devm_pinctrl_get_select_default(&pdev->dev); |
473 | if (IS_ERR(imx_data->pinctrl)) { | 490 | if (IS_ERR(imx_data->pinctrl)) { |
@@ -567,8 +584,9 @@ no_card_detect_irq: | |||
567 | no_card_detect_pin: | 584 | no_card_detect_pin: |
568 | no_board_data: | 585 | no_board_data: |
569 | pin_err: | 586 | pin_err: |
570 | clk_disable_unprepare(pltfm_host->clk); | 587 | clk_disable_unprepare(imx_data->clk_per); |
571 | clk_put(pltfm_host->clk); | 588 | clk_disable_unprepare(imx_data->clk_ipg); |
589 | clk_disable_unprepare(imx_data->clk_ahb); | ||
572 | err_clk_get: | 590 | err_clk_get: |
573 | kfree(imx_data); | 591 | kfree(imx_data); |
574 | err_imx_data: | 592 | err_imx_data: |
@@ -594,8 +612,10 @@ static int __devexit sdhci_esdhc_imx_remove(struct platform_device *pdev) | |||
594 | gpio_free(boarddata->cd_gpio); | 612 | gpio_free(boarddata->cd_gpio); |
595 | } | 613 | } |
596 | 614 | ||
597 | clk_disable_unprepare(pltfm_host->clk); | 615 | clk_disable_unprepare(imx_data->clk_per); |
598 | clk_put(pltfm_host->clk); | 616 | clk_disable_unprepare(imx_data->clk_ipg); |
617 | clk_disable_unprepare(imx_data->clk_ahb); | ||
618 | |||
599 | kfree(imx_data); | 619 | kfree(imx_data); |
600 | 620 | ||
601 | sdhci_pltfm_free(pdev); | 621 | sdhci_pltfm_free(pdev); |
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index cc0678a967c1..9e374e9bd296 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c | |||
@@ -690,7 +690,7 @@ static void mxc_nand_select_chip(struct mtd_info *mtd, int chip) | |||
690 | if (chip == -1) { | 690 | if (chip == -1) { |
691 | /* Disable the NFC clock */ | 691 | /* Disable the NFC clock */ |
692 | if (host->clk_act) { | 692 | if (host->clk_act) { |
693 | clk_disable(host->clk); | 693 | clk_disable_unprepare(host->clk); |
694 | host->clk_act = 0; | 694 | host->clk_act = 0; |
695 | } | 695 | } |
696 | return; | 696 | return; |
@@ -698,7 +698,7 @@ static void mxc_nand_select_chip(struct mtd_info *mtd, int chip) | |||
698 | 698 | ||
699 | if (!host->clk_act) { | 699 | if (!host->clk_act) { |
700 | /* Enable the NFC clock */ | 700 | /* Enable the NFC clock */ |
701 | clk_enable(host->clk); | 701 | clk_prepare_enable(host->clk); |
702 | host->clk_act = 1; | 702 | host->clk_act = 1; |
703 | } | 703 | } |
704 | 704 | ||
@@ -1078,7 +1078,7 @@ static int __init mxcnd_probe(struct platform_device *pdev) | |||
1078 | goto eclk; | 1078 | goto eclk; |
1079 | } | 1079 | } |
1080 | 1080 | ||
1081 | clk_enable(host->clk); | 1081 | clk_prepare_enable(host->clk); |
1082 | host->clk_act = 1; | 1082 | host->clk_act = 1; |
1083 | 1083 | ||
1084 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 1084 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index 0f50ef38b87b..513dc88a05ca 100644 --- a/drivers/mtd/nand/orion_nand.c +++ b/drivers/mtd/nand/orion_nand.c | |||
@@ -17,6 +17,8 @@ | |||
17 | #include <linux/mtd/mtd.h> | 17 | #include <linux/mtd/mtd.h> |
18 | #include <linux/mtd/nand.h> | 18 | #include <linux/mtd/nand.h> |
19 | #include <linux/mtd/partitions.h> | 19 | #include <linux/mtd/partitions.h> |
20 | #include <linux/clk.h> | ||
21 | #include <linux/err.h> | ||
20 | #include <asm/io.h> | 22 | #include <asm/io.h> |
21 | #include <asm/sizes.h> | 23 | #include <asm/sizes.h> |
22 | #include <mach/hardware.h> | 24 | #include <mach/hardware.h> |
@@ -79,6 +81,7 @@ static int __init orion_nand_probe(struct platform_device *pdev) | |||
79 | struct nand_chip *nc; | 81 | struct nand_chip *nc; |
80 | struct orion_nand_data *board; | 82 | struct orion_nand_data *board; |
81 | struct resource *res; | 83 | struct resource *res; |
84 | struct clk *clk; | ||
82 | void __iomem *io_base; | 85 | void __iomem *io_base; |
83 | int ret = 0; | 86 | int ret = 0; |
84 | u32 val = 0; | 87 | u32 val = 0; |
@@ -155,6 +158,14 @@ static int __init orion_nand_probe(struct platform_device *pdev) | |||
155 | 158 | ||
156 | platform_set_drvdata(pdev, mtd); | 159 | platform_set_drvdata(pdev, mtd); |
157 | 160 | ||
161 | /* Not all platforms can gate the clock, so it is not | ||
162 | an error if the clock does not exists. */ | ||
163 | clk = clk_get(&pdev->dev, NULL); | ||
164 | if (!IS_ERR(clk)) { | ||
165 | clk_prepare_enable(clk); | ||
166 | clk_put(clk); | ||
167 | } | ||
168 | |||
158 | if (nand_scan(mtd, 1)) { | 169 | if (nand_scan(mtd, 1)) { |
159 | ret = -ENXIO; | 170 | ret = -ENXIO; |
160 | goto no_dev; | 171 | goto no_dev; |
@@ -184,6 +195,7 @@ static int __devexit orion_nand_remove(struct platform_device *pdev) | |||
184 | { | 195 | { |
185 | struct mtd_info *mtd = platform_get_drvdata(pdev); | 196 | struct mtd_info *mtd = platform_get_drvdata(pdev); |
186 | struct nand_chip *nc = mtd->priv; | 197 | struct nand_chip *nc = mtd->priv; |
198 | struct clk *clk; | ||
187 | 199 | ||
188 | nand_release(mtd); | 200 | nand_release(mtd); |
189 | 201 | ||
@@ -191,6 +203,12 @@ static int __devexit orion_nand_remove(struct platform_device *pdev) | |||
191 | 203 | ||
192 | kfree(nc); | 204 | kfree(nc); |
193 | 205 | ||
206 | clk = clk_get(&pdev->dev, NULL); | ||
207 | if (!IS_ERR(clk)) { | ||
208 | clk_disable_unprepare(clk); | ||
209 | clk_put(clk); | ||
210 | } | ||
211 | |||
194 | return 0; | 212 | return 0; |
195 | } | 213 | } |
196 | 214 | ||
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c index 8f2cf8c09e2d..ff7f4c5115a1 100644 --- a/drivers/net/ethernet/freescale/fec.c +++ b/drivers/net/ethernet/freescale/fec.c | |||
@@ -207,7 +207,8 @@ struct fec_enet_private { | |||
207 | 207 | ||
208 | struct net_device *netdev; | 208 | struct net_device *netdev; |
209 | 209 | ||
210 | struct clk *clk; | 210 | struct clk *clk_ipg; |
211 | struct clk *clk_ahb; | ||
211 | 212 | ||
212 | /* The saved address of a sent-in-place packet/buffer, for skfree(). */ | 213 | /* The saved address of a sent-in-place packet/buffer, for skfree(). */ |
213 | unsigned char *tx_bounce[TX_RING_SIZE]; | 214 | unsigned char *tx_bounce[TX_RING_SIZE]; |
@@ -1065,7 +1066,7 @@ static int fec_enet_mii_init(struct platform_device *pdev) | |||
1065 | * Reference Manual has an error on this, and gets fixed on i.MX6Q | 1066 | * Reference Manual has an error on this, and gets fixed on i.MX6Q |
1066 | * document. | 1067 | * document. |
1067 | */ | 1068 | */ |
1068 | fep->phy_speed = DIV_ROUND_UP(clk_get_rate(fep->clk), 5000000); | 1069 | fep->phy_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ahb), 5000000); |
1069 | if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) | 1070 | if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) |
1070 | fep->phy_speed--; | 1071 | fep->phy_speed--; |
1071 | fep->phy_speed <<= 1; | 1072 | fep->phy_speed <<= 1; |
@@ -1618,12 +1619,20 @@ fec_probe(struct platform_device *pdev) | |||
1618 | goto failed_pin; | 1619 | goto failed_pin; |
1619 | } | 1620 | } |
1620 | 1621 | ||
1621 | fep->clk = clk_get(&pdev->dev, NULL); | 1622 | fep->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); |
1622 | if (IS_ERR(fep->clk)) { | 1623 | if (IS_ERR(fep->clk_ipg)) { |
1623 | ret = PTR_ERR(fep->clk); | 1624 | ret = PTR_ERR(fep->clk_ipg); |
1624 | goto failed_clk; | 1625 | goto failed_clk; |
1625 | } | 1626 | } |
1626 | clk_prepare_enable(fep->clk); | 1627 | |
1628 | fep->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); | ||
1629 | if (IS_ERR(fep->clk_ahb)) { | ||
1630 | ret = PTR_ERR(fep->clk_ahb); | ||
1631 | goto failed_clk; | ||
1632 | } | ||
1633 | |||
1634 | clk_prepare_enable(fep->clk_ahb); | ||
1635 | clk_prepare_enable(fep->clk_ipg); | ||
1627 | 1636 | ||
1628 | ret = fec_enet_init(ndev); | 1637 | ret = fec_enet_init(ndev); |
1629 | if (ret) | 1638 | if (ret) |
@@ -1646,8 +1655,8 @@ failed_register: | |||
1646 | fec_enet_mii_remove(fep); | 1655 | fec_enet_mii_remove(fep); |
1647 | failed_mii_init: | 1656 | failed_mii_init: |
1648 | failed_init: | 1657 | failed_init: |
1649 | clk_disable_unprepare(fep->clk); | 1658 | clk_disable_unprepare(fep->clk_ahb); |
1650 | clk_put(fep->clk); | 1659 | clk_disable_unprepare(fep->clk_ipg); |
1651 | failed_pin: | 1660 | failed_pin: |
1652 | failed_clk: | 1661 | failed_clk: |
1653 | for (i = 0; i < FEC_IRQ_NUM; i++) { | 1662 | for (i = 0; i < FEC_IRQ_NUM; i++) { |
@@ -1680,8 +1689,8 @@ fec_drv_remove(struct platform_device *pdev) | |||
1680 | if (irq > 0) | 1689 | if (irq > 0) |
1681 | free_irq(irq, ndev); | 1690 | free_irq(irq, ndev); |
1682 | } | 1691 | } |
1683 | clk_disable_unprepare(fep->clk); | 1692 | clk_disable_unprepare(fep->clk_ahb); |
1684 | clk_put(fep->clk); | 1693 | clk_disable_unprepare(fep->clk_ipg); |
1685 | iounmap(fep->hwp); | 1694 | iounmap(fep->hwp); |
1686 | free_netdev(ndev); | 1695 | free_netdev(ndev); |
1687 | 1696 | ||
@@ -1705,7 +1714,8 @@ fec_suspend(struct device *dev) | |||
1705 | fec_stop(ndev); | 1714 | fec_stop(ndev); |
1706 | netif_device_detach(ndev); | 1715 | netif_device_detach(ndev); |
1707 | } | 1716 | } |
1708 | clk_disable_unprepare(fep->clk); | 1717 | clk_disable_unprepare(fep->clk_ahb); |
1718 | clk_disable_unprepare(fep->clk_ipg); | ||
1709 | 1719 | ||
1710 | return 0; | 1720 | return 0; |
1711 | } | 1721 | } |
@@ -1716,7 +1726,8 @@ fec_resume(struct device *dev) | |||
1716 | struct net_device *ndev = dev_get_drvdata(dev); | 1726 | struct net_device *ndev = dev_get_drvdata(dev); |
1717 | struct fec_enet_private *fep = netdev_priv(ndev); | 1727 | struct fec_enet_private *fep = netdev_priv(ndev); |
1718 | 1728 | ||
1719 | clk_prepare_enable(fep->clk); | 1729 | clk_prepare_enable(fep->clk_ahb); |
1730 | clk_prepare_enable(fep->clk_ipg); | ||
1720 | if (netif_running(ndev)) { | 1731 | if (netif_running(ndev)) { |
1721 | fec_restart(ndev, fep->full_duplex); | 1732 | fec_restart(ndev, fep->full_duplex); |
1722 | netif_device_attach(ndev); | 1733 | netif_device_attach(ndev); |
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index c8950da60e6b..04d901d0ff63 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c | |||
@@ -57,6 +57,7 @@ | |||
57 | #include <linux/types.h> | 57 | #include <linux/types.h> |
58 | #include <linux/inet_lro.h> | 58 | #include <linux/inet_lro.h> |
59 | #include <linux/slab.h> | 59 | #include <linux/slab.h> |
60 | #include <linux/clk.h> | ||
60 | 61 | ||
61 | static char mv643xx_eth_driver_name[] = "mv643xx_eth"; | 62 | static char mv643xx_eth_driver_name[] = "mv643xx_eth"; |
62 | static char mv643xx_eth_driver_version[] = "1.4"; | 63 | static char mv643xx_eth_driver_version[] = "1.4"; |
@@ -289,10 +290,10 @@ struct mv643xx_eth_shared_private { | |||
289 | /* | 290 | /* |
290 | * Hardware-specific parameters. | 291 | * Hardware-specific parameters. |
291 | */ | 292 | */ |
292 | unsigned int t_clk; | ||
293 | int extended_rx_coal_limit; | 293 | int extended_rx_coal_limit; |
294 | int tx_bw_control; | 294 | int tx_bw_control; |
295 | int tx_csum_limit; | 295 | int tx_csum_limit; |
296 | |||
296 | }; | 297 | }; |
297 | 298 | ||
298 | #define TX_BW_CONTROL_ABSENT 0 | 299 | #define TX_BW_CONTROL_ABSENT 0 |
@@ -431,6 +432,12 @@ struct mv643xx_eth_private { | |||
431 | int tx_desc_sram_size; | 432 | int tx_desc_sram_size; |
432 | int txq_count; | 433 | int txq_count; |
433 | struct tx_queue txq[8]; | 434 | struct tx_queue txq[8]; |
435 | |||
436 | /* | ||
437 | * Hardware-specific parameters. | ||
438 | */ | ||
439 | struct clk *clk; | ||
440 | unsigned int t_clk; | ||
434 | }; | 441 | }; |
435 | 442 | ||
436 | 443 | ||
@@ -1010,7 +1017,7 @@ static void tx_set_rate(struct mv643xx_eth_private *mp, int rate, int burst) | |||
1010 | int mtu; | 1017 | int mtu; |
1011 | int bucket_size; | 1018 | int bucket_size; |
1012 | 1019 | ||
1013 | token_rate = ((rate / 1000) * 64) / (mp->shared->t_clk / 1000); | 1020 | token_rate = ((rate / 1000) * 64) / (mp->t_clk / 1000); |
1014 | if (token_rate > 1023) | 1021 | if (token_rate > 1023) |
1015 | token_rate = 1023; | 1022 | token_rate = 1023; |
1016 | 1023 | ||
@@ -1042,7 +1049,7 @@ static void txq_set_rate(struct tx_queue *txq, int rate, int burst) | |||
1042 | int token_rate; | 1049 | int token_rate; |
1043 | int bucket_size; | 1050 | int bucket_size; |
1044 | 1051 | ||
1045 | token_rate = ((rate / 1000) * 64) / (mp->shared->t_clk / 1000); | 1052 | token_rate = ((rate / 1000) * 64) / (mp->t_clk / 1000); |
1046 | if (token_rate > 1023) | 1053 | if (token_rate > 1023) |
1047 | token_rate = 1023; | 1054 | token_rate = 1023; |
1048 | 1055 | ||
@@ -1309,7 +1316,7 @@ static unsigned int get_rx_coal(struct mv643xx_eth_private *mp) | |||
1309 | temp = (val & 0x003fff00) >> 8; | 1316 | temp = (val & 0x003fff00) >> 8; |
1310 | 1317 | ||
1311 | temp *= 64000000; | 1318 | temp *= 64000000; |
1312 | do_div(temp, mp->shared->t_clk); | 1319 | do_div(temp, mp->t_clk); |
1313 | 1320 | ||
1314 | return (unsigned int)temp; | 1321 | return (unsigned int)temp; |
1315 | } | 1322 | } |
@@ -1319,7 +1326,7 @@ static void set_rx_coal(struct mv643xx_eth_private *mp, unsigned int usec) | |||
1319 | u64 temp; | 1326 | u64 temp; |
1320 | u32 val; | 1327 | u32 val; |
1321 | 1328 | ||
1322 | temp = (u64)usec * mp->shared->t_clk; | 1329 | temp = (u64)usec * mp->t_clk; |
1323 | temp += 31999999; | 1330 | temp += 31999999; |
1324 | do_div(temp, 64000000); | 1331 | do_div(temp, 64000000); |
1325 | 1332 | ||
@@ -1345,7 +1352,7 @@ static unsigned int get_tx_coal(struct mv643xx_eth_private *mp) | |||
1345 | 1352 | ||
1346 | temp = (rdlp(mp, TX_FIFO_URGENT_THRESHOLD) & 0x3fff0) >> 4; | 1353 | temp = (rdlp(mp, TX_FIFO_URGENT_THRESHOLD) & 0x3fff0) >> 4; |
1347 | temp *= 64000000; | 1354 | temp *= 64000000; |
1348 | do_div(temp, mp->shared->t_clk); | 1355 | do_div(temp, mp->t_clk); |
1349 | 1356 | ||
1350 | return (unsigned int)temp; | 1357 | return (unsigned int)temp; |
1351 | } | 1358 | } |
@@ -1354,7 +1361,7 @@ static void set_tx_coal(struct mv643xx_eth_private *mp, unsigned int usec) | |||
1354 | { | 1361 | { |
1355 | u64 temp; | 1362 | u64 temp; |
1356 | 1363 | ||
1357 | temp = (u64)usec * mp->shared->t_clk; | 1364 | temp = (u64)usec * mp->t_clk; |
1358 | temp += 31999999; | 1365 | temp += 31999999; |
1359 | do_div(temp, 64000000); | 1366 | do_div(temp, 64000000); |
1360 | 1367 | ||
@@ -2663,10 +2670,6 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) | |||
2663 | if (dram) | 2670 | if (dram) |
2664 | mv643xx_eth_conf_mbus_windows(msp, dram); | 2671 | mv643xx_eth_conf_mbus_windows(msp, dram); |
2665 | 2672 | ||
2666 | /* | ||
2667 | * Detect hardware parameters. | ||
2668 | */ | ||
2669 | msp->t_clk = (pd != NULL && pd->t_clk != 0) ? pd->t_clk : 133000000; | ||
2670 | msp->tx_csum_limit = (pd != NULL && pd->tx_csum_limit) ? | 2673 | msp->tx_csum_limit = (pd != NULL && pd->tx_csum_limit) ? |
2671 | pd->tx_csum_limit : 9 * 1024; | 2674 | pd->tx_csum_limit : 9 * 1024; |
2672 | infer_hw_params(msp); | 2675 | infer_hw_params(msp); |
@@ -2891,6 +2894,18 @@ static int mv643xx_eth_probe(struct platform_device *pdev) | |||
2891 | 2894 | ||
2892 | mp->dev = dev; | 2895 | mp->dev = dev; |
2893 | 2896 | ||
2897 | /* | ||
2898 | * Get the clk rate, if there is one, otherwise use the default. | ||
2899 | */ | ||
2900 | mp->clk = clk_get(&pdev->dev, (pdev->id ? "1" : "0")); | ||
2901 | if (!IS_ERR(mp->clk)) { | ||
2902 | clk_prepare_enable(mp->clk); | ||
2903 | mp->t_clk = clk_get_rate(mp->clk); | ||
2904 | } else { | ||
2905 | mp->t_clk = 133000000; | ||
2906 | printk(KERN_WARNING "Unable to get clock"); | ||
2907 | } | ||
2908 | |||
2894 | set_params(mp, pd); | 2909 | set_params(mp, pd); |
2895 | netif_set_real_num_tx_queues(dev, mp->txq_count); | 2910 | netif_set_real_num_tx_queues(dev, mp->txq_count); |
2896 | netif_set_real_num_rx_queues(dev, mp->rxq_count); | 2911 | netif_set_real_num_rx_queues(dev, mp->rxq_count); |
@@ -2979,6 +2994,11 @@ static int mv643xx_eth_remove(struct platform_device *pdev) | |||
2979 | if (mp->phy != NULL) | 2994 | if (mp->phy != NULL) |
2980 | phy_detach(mp->phy); | 2995 | phy_detach(mp->phy); |
2981 | cancel_work_sync(&mp->tx_timeout_task); | 2996 | cancel_work_sync(&mp->tx_timeout_task); |
2997 | |||
2998 | if (!IS_ERR(mp->clk)) { | ||
2999 | clk_disable_unprepare(mp->clk); | ||
3000 | clk_put(mp->clk); | ||
3001 | } | ||
2982 | free_netdev(mp->dev); | 3002 | free_netdev(mp->dev); |
2983 | 3003 | ||
2984 | platform_set_drvdata(pdev, NULL); | 3004 | platform_set_drvdata(pdev, NULL); |
diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c index d93a9608b1f0..891cd6c61d0a 100644 --- a/drivers/rtc/rtc-imxdi.c +++ b/drivers/rtc/rtc-imxdi.c | |||
@@ -405,7 +405,7 @@ static int dryice_rtc_probe(struct platform_device *pdev) | |||
405 | imxdi->clk = clk_get(&pdev->dev, NULL); | 405 | imxdi->clk = clk_get(&pdev->dev, NULL); |
406 | if (IS_ERR(imxdi->clk)) | 406 | if (IS_ERR(imxdi->clk)) |
407 | return PTR_ERR(imxdi->clk); | 407 | return PTR_ERR(imxdi->clk); |
408 | clk_enable(imxdi->clk); | 408 | clk_prepare_enable(imxdi->clk); |
409 | 409 | ||
410 | /* | 410 | /* |
411 | * Initialize dryice hardware | 411 | * Initialize dryice hardware |
@@ -470,7 +470,7 @@ static int dryice_rtc_probe(struct platform_device *pdev) | |||
470 | return 0; | 470 | return 0; |
471 | 471 | ||
472 | err: | 472 | err: |
473 | clk_disable(imxdi->clk); | 473 | clk_disable_unprepare(imxdi->clk); |
474 | clk_put(imxdi->clk); | 474 | clk_put(imxdi->clk); |
475 | 475 | ||
476 | return rc; | 476 | return rc; |
@@ -487,7 +487,7 @@ static int __devexit dryice_rtc_remove(struct platform_device *pdev) | |||
487 | 487 | ||
488 | rtc_device_unregister(imxdi->rtc); | 488 | rtc_device_unregister(imxdi->rtc); |
489 | 489 | ||
490 | clk_disable(imxdi->clk); | 490 | clk_disable_unprepare(imxdi->clk); |
491 | clk_put(imxdi->clk); | 491 | clk_put(imxdi->clk); |
492 | 492 | ||
493 | return 0; | 493 | return 0; |
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 69c9a6601f45..47877d687614 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c | |||
@@ -86,7 +86,8 @@ struct spi_imx_data { | |||
86 | struct completion xfer_done; | 86 | struct completion xfer_done; |
87 | void __iomem *base; | 87 | void __iomem *base; |
88 | int irq; | 88 | int irq; |
89 | struct clk *clk; | 89 | struct clk *clk_per; |
90 | struct clk *clk_ipg; | ||
90 | unsigned long spi_clk; | 91 | unsigned long spi_clk; |
91 | 92 | ||
92 | unsigned int count; | 93 | unsigned int count; |
@@ -853,15 +854,22 @@ static int __devinit spi_imx_probe(struct platform_device *pdev) | |||
853 | goto out_free_irq; | 854 | goto out_free_irq; |
854 | } | 855 | } |
855 | 856 | ||
856 | spi_imx->clk = clk_get(&pdev->dev, NULL); | 857 | spi_imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); |
857 | if (IS_ERR(spi_imx->clk)) { | 858 | if (IS_ERR(spi_imx->clk_ipg)) { |
858 | dev_err(&pdev->dev, "unable to get clock\n"); | 859 | ret = PTR_ERR(spi_imx->clk_ipg); |
859 | ret = PTR_ERR(spi_imx->clk); | ||
860 | goto out_free_irq; | 860 | goto out_free_irq; |
861 | } | 861 | } |
862 | 862 | ||
863 | clk_enable(spi_imx->clk); | 863 | spi_imx->clk_per = devm_clk_get(&pdev->dev, "per"); |
864 | spi_imx->spi_clk = clk_get_rate(spi_imx->clk); | 864 | if (IS_ERR(spi_imx->clk_per)) { |
865 | ret = PTR_ERR(spi_imx->clk_per); | ||
866 | goto out_free_irq; | ||
867 | } | ||
868 | |||
869 | clk_prepare_enable(spi_imx->clk_per); | ||
870 | clk_prepare_enable(spi_imx->clk_ipg); | ||
871 | |||
872 | spi_imx->spi_clk = clk_get_rate(spi_imx->clk_per); | ||
865 | 873 | ||
866 | spi_imx->devtype_data->reset(spi_imx); | 874 | spi_imx->devtype_data->reset(spi_imx); |
867 | 875 | ||
@@ -879,8 +887,8 @@ static int __devinit spi_imx_probe(struct platform_device *pdev) | |||
879 | return ret; | 887 | return ret; |
880 | 888 | ||
881 | out_clk_put: | 889 | out_clk_put: |
882 | clk_disable(spi_imx->clk); | 890 | clk_disable_unprepare(spi_imx->clk_per); |
883 | clk_put(spi_imx->clk); | 891 | clk_disable_unprepare(spi_imx->clk_ipg); |
884 | out_free_irq: | 892 | out_free_irq: |
885 | free_irq(spi_imx->irq, spi_imx); | 893 | free_irq(spi_imx->irq, spi_imx); |
886 | out_iounmap: | 894 | out_iounmap: |
@@ -908,8 +916,8 @@ static int __devexit spi_imx_remove(struct platform_device *pdev) | |||
908 | spi_bitbang_stop(&spi_imx->bitbang); | 916 | spi_bitbang_stop(&spi_imx->bitbang); |
909 | 917 | ||
910 | writel(0, spi_imx->base + MXC_CSPICTRL); | 918 | writel(0, spi_imx->base + MXC_CSPICTRL); |
911 | clk_disable(spi_imx->clk); | 919 | clk_disable_unprepare(spi_imx->clk_per); |
912 | clk_put(spi_imx->clk); | 920 | clk_disable_unprepare(spi_imx->clk_ipg); |
913 | free_irq(spi_imx->irq, spi_imx); | 921 | free_irq(spi_imx->irq, spi_imx); |
914 | iounmap(spi_imx->base); | 922 | iounmap(spi_imx->base); |
915 | 923 | ||
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c index e496f799b7a9..dfd04e91fa6d 100644 --- a/drivers/spi/spi-orion.c +++ b/drivers/spi/spi-orion.c | |||
@@ -16,8 +16,8 @@ | |||
16 | #include <linux/err.h> | 16 | #include <linux/err.h> |
17 | #include <linux/io.h> | 17 | #include <linux/io.h> |
18 | #include <linux/spi/spi.h> | 18 | #include <linux/spi/spi.h> |
19 | #include <linux/spi/orion_spi.h> | ||
20 | #include <linux/module.h> | 19 | #include <linux/module.h> |
20 | #include <linux/clk.h> | ||
21 | #include <asm/unaligned.h> | 21 | #include <asm/unaligned.h> |
22 | 22 | ||
23 | #define DRIVER_NAME "orion_spi" | 23 | #define DRIVER_NAME "orion_spi" |
@@ -46,6 +46,7 @@ struct orion_spi { | |||
46 | unsigned int max_speed; | 46 | unsigned int max_speed; |
47 | unsigned int min_speed; | 47 | unsigned int min_speed; |
48 | struct orion_spi_info *spi_info; | 48 | struct orion_spi_info *spi_info; |
49 | struct clk *clk; | ||
49 | }; | 50 | }; |
50 | 51 | ||
51 | static struct workqueue_struct *orion_spi_wq; | 52 | static struct workqueue_struct *orion_spi_wq; |
@@ -104,7 +105,7 @@ static int orion_spi_baudrate_set(struct spi_device *spi, unsigned int speed) | |||
104 | 105 | ||
105 | orion_spi = spi_master_get_devdata(spi->master); | 106 | orion_spi = spi_master_get_devdata(spi->master); |
106 | 107 | ||
107 | tclk_hz = orion_spi->spi_info->tclk; | 108 | tclk_hz = clk_get_rate(orion_spi->clk); |
108 | 109 | ||
109 | /* | 110 | /* |
110 | * the supported rates are: 4,6,8...30 | 111 | * the supported rates are: 4,6,8...30 |
@@ -450,6 +451,7 @@ static int __init orion_spi_probe(struct platform_device *pdev) | |||
450 | struct orion_spi *spi; | 451 | struct orion_spi *spi; |
451 | struct resource *r; | 452 | struct resource *r; |
452 | struct orion_spi_info *spi_info; | 453 | struct orion_spi_info *spi_info; |
454 | unsigned long tclk_hz; | ||
453 | int status = 0; | 455 | int status = 0; |
454 | 456 | ||
455 | spi_info = pdev->dev.platform_data; | 457 | spi_info = pdev->dev.platform_data; |
@@ -476,19 +478,28 @@ static int __init orion_spi_probe(struct platform_device *pdev) | |||
476 | spi->master = master; | 478 | spi->master = master; |
477 | spi->spi_info = spi_info; | 479 | spi->spi_info = spi_info; |
478 | 480 | ||
479 | spi->max_speed = DIV_ROUND_UP(spi_info->tclk, 4); | 481 | spi->clk = clk_get(&pdev->dev, NULL); |
480 | spi->min_speed = DIV_ROUND_UP(spi_info->tclk, 30); | 482 | if (IS_ERR(spi->clk)) { |
483 | status = PTR_ERR(spi->clk); | ||
484 | goto out; | ||
485 | } | ||
486 | |||
487 | clk_prepare(spi->clk); | ||
488 | clk_enable(spi->clk); | ||
489 | tclk_hz = clk_get_rate(spi->clk); | ||
490 | spi->max_speed = DIV_ROUND_UP(tclk_hz, 4); | ||
491 | spi->min_speed = DIV_ROUND_UP(tclk_hz, 30); | ||
481 | 492 | ||
482 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 493 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
483 | if (r == NULL) { | 494 | if (r == NULL) { |
484 | status = -ENODEV; | 495 | status = -ENODEV; |
485 | goto out; | 496 | goto out_rel_clk; |
486 | } | 497 | } |
487 | 498 | ||
488 | if (!request_mem_region(r->start, resource_size(r), | 499 | if (!request_mem_region(r->start, resource_size(r), |
489 | dev_name(&pdev->dev))) { | 500 | dev_name(&pdev->dev))) { |
490 | status = -EBUSY; | 501 | status = -EBUSY; |
491 | goto out; | 502 | goto out_rel_clk; |
492 | } | 503 | } |
493 | spi->base = ioremap(r->start, SZ_1K); | 504 | spi->base = ioremap(r->start, SZ_1K); |
494 | 505 | ||
@@ -508,7 +519,9 @@ static int __init orion_spi_probe(struct platform_device *pdev) | |||
508 | 519 | ||
509 | out_rel_mem: | 520 | out_rel_mem: |
510 | release_mem_region(r->start, resource_size(r)); | 521 | release_mem_region(r->start, resource_size(r)); |
511 | 522 | out_rel_clk: | |
523 | clk_disable_unprepare(spi->clk); | ||
524 | clk_put(spi->clk); | ||
512 | out: | 525 | out: |
513 | spi_master_put(master); | 526 | spi_master_put(master); |
514 | return status; | 527 | return status; |
@@ -526,6 +539,9 @@ static int __exit orion_spi_remove(struct platform_device *pdev) | |||
526 | 539 | ||
527 | cancel_work_sync(&spi->work); | 540 | cancel_work_sync(&spi->work); |
528 | 541 | ||
542 | clk_disable_unprepare(spi->clk); | ||
543 | clk_put(spi->clk); | ||
544 | |||
529 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 545 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
530 | release_mem_region(r->start, resource_size(r)); | 546 | release_mem_region(r->start, resource_size(r)); |
531 | 547 | ||
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index ec206732f68c..4ef747307ecb 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c | |||
@@ -205,7 +205,8 @@ struct imx_port { | |||
205 | unsigned int irda_inv_rx:1; | 205 | unsigned int irda_inv_rx:1; |
206 | unsigned int irda_inv_tx:1; | 206 | unsigned int irda_inv_tx:1; |
207 | unsigned short trcv_delay; /* transceiver delay */ | 207 | unsigned short trcv_delay; /* transceiver delay */ |
208 | struct clk *clk; | 208 | struct clk *clk_ipg; |
209 | struct clk *clk_per; | ||
209 | struct imx_uart_data *devdata; | 210 | struct imx_uart_data *devdata; |
210 | }; | 211 | }; |
211 | 212 | ||
@@ -673,7 +674,7 @@ static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode) | |||
673 | * RFDIV is set such way to satisfy requested uartclk value | 674 | * RFDIV is set such way to satisfy requested uartclk value |
674 | */ | 675 | */ |
675 | val = TXTL << 10 | RXTL; | 676 | val = TXTL << 10 | RXTL; |
676 | ufcr_rfdiv = (clk_get_rate(sport->clk) + sport->port.uartclk / 2) | 677 | ufcr_rfdiv = (clk_get_rate(sport->clk_per) + sport->port.uartclk / 2) |
677 | / sport->port.uartclk; | 678 | / sport->port.uartclk; |
678 | 679 | ||
679 | if(!ufcr_rfdiv) | 680 | if(!ufcr_rfdiv) |
@@ -1286,7 +1287,7 @@ imx_console_get_options(struct imx_port *sport, int *baud, | |||
1286 | else | 1287 | else |
1287 | ucfr_rfdiv = 6 - ucfr_rfdiv; | 1288 | ucfr_rfdiv = 6 - ucfr_rfdiv; |
1288 | 1289 | ||
1289 | uartclk = clk_get_rate(sport->clk); | 1290 | uartclk = clk_get_rate(sport->clk_per); |
1290 | uartclk /= ucfr_rfdiv; | 1291 | uartclk /= ucfr_rfdiv; |
1291 | 1292 | ||
1292 | { /* | 1293 | { /* |
@@ -1511,14 +1512,22 @@ static int serial_imx_probe(struct platform_device *pdev) | |||
1511 | goto unmap; | 1512 | goto unmap; |
1512 | } | 1513 | } |
1513 | 1514 | ||
1514 | sport->clk = clk_get(&pdev->dev, "uart"); | 1515 | sport->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); |
1515 | if (IS_ERR(sport->clk)) { | 1516 | if (IS_ERR(sport->clk_ipg)) { |
1516 | ret = PTR_ERR(sport->clk); | 1517 | ret = PTR_ERR(sport->clk_ipg); |
1517 | goto unmap; | 1518 | goto unmap; |
1518 | } | 1519 | } |
1519 | clk_prepare_enable(sport->clk); | ||
1520 | 1520 | ||
1521 | sport->port.uartclk = clk_get_rate(sport->clk); | 1521 | sport->clk_per = devm_clk_get(&pdev->dev, "per"); |
1522 | if (IS_ERR(sport->clk_per)) { | ||
1523 | ret = PTR_ERR(sport->clk_per); | ||
1524 | goto unmap; | ||
1525 | } | ||
1526 | |||
1527 | clk_prepare_enable(sport->clk_per); | ||
1528 | clk_prepare_enable(sport->clk_ipg); | ||
1529 | |||
1530 | sport->port.uartclk = clk_get_rate(sport->clk_per); | ||
1522 | 1531 | ||
1523 | imx_ports[sport->port.line] = sport; | 1532 | imx_ports[sport->port.line] = sport; |
1524 | 1533 | ||
@@ -1539,8 +1548,8 @@ deinit: | |||
1539 | if (pdata && pdata->exit) | 1548 | if (pdata && pdata->exit) |
1540 | pdata->exit(pdev); | 1549 | pdata->exit(pdev); |
1541 | clkput: | 1550 | clkput: |
1542 | clk_disable_unprepare(sport->clk); | 1551 | clk_disable_unprepare(sport->clk_per); |
1543 | clk_put(sport->clk); | 1552 | clk_disable_unprepare(sport->clk_ipg); |
1544 | unmap: | 1553 | unmap: |
1545 | iounmap(sport->port.membase); | 1554 | iounmap(sport->port.membase); |
1546 | free: | 1555 | free: |
@@ -1558,11 +1567,10 @@ static int serial_imx_remove(struct platform_device *pdev) | |||
1558 | 1567 | ||
1559 | platform_set_drvdata(pdev, NULL); | 1568 | platform_set_drvdata(pdev, NULL); |
1560 | 1569 | ||
1561 | if (sport) { | 1570 | uart_remove_one_port(&imx_reg, &sport->port); |
1562 | uart_remove_one_port(&imx_reg, &sport->port); | 1571 | |
1563 | clk_disable_unprepare(sport->clk); | 1572 | clk_disable_unprepare(sport->clk_per); |
1564 | clk_put(sport->clk); | 1573 | clk_disable_unprepare(sport->clk_ipg); |
1565 | } | ||
1566 | 1574 | ||
1567 | if (pdata && pdata->exit) | 1575 | if (pdata && pdata->exit) |
1568 | pdata->exit(pdev); | 1576 | pdata->exit(pdev); |
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index a797d51ecbe8..c778ffe4e4e5 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c | |||
@@ -32,7 +32,7 @@ | |||
32 | #define ULPI_VIEWPORT_OFFSET 0x170 | 32 | #define ULPI_VIEWPORT_OFFSET 0x170 |
33 | 33 | ||
34 | struct ehci_mxc_priv { | 34 | struct ehci_mxc_priv { |
35 | struct clk *usbclk, *ahbclk, *phy1clk; | 35 | struct clk *usbclk, *ahbclk, *phyclk; |
36 | struct usb_hcd *hcd; | 36 | struct usb_hcd *hcd; |
37 | }; | 37 | }; |
38 | 38 | ||
@@ -166,31 +166,26 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) | |||
166 | } | 166 | } |
167 | 167 | ||
168 | /* enable clocks */ | 168 | /* enable clocks */ |
169 | priv->usbclk = clk_get(dev, "usb"); | 169 | priv->usbclk = clk_get(dev, "ipg"); |
170 | if (IS_ERR(priv->usbclk)) { | 170 | if (IS_ERR(priv->usbclk)) { |
171 | ret = PTR_ERR(priv->usbclk); | 171 | ret = PTR_ERR(priv->usbclk); |
172 | goto err_clk; | 172 | goto err_clk; |
173 | } | 173 | } |
174 | clk_enable(priv->usbclk); | 174 | clk_prepare_enable(priv->usbclk); |
175 | 175 | ||
176 | if (!cpu_is_mx35() && !cpu_is_mx25()) { | 176 | priv->ahbclk = clk_get(dev, "ahb"); |
177 | priv->ahbclk = clk_get(dev, "usb_ahb"); | 177 | if (IS_ERR(priv->ahbclk)) { |
178 | if (IS_ERR(priv->ahbclk)) { | 178 | ret = PTR_ERR(priv->ahbclk); |
179 | ret = PTR_ERR(priv->ahbclk); | 179 | goto err_clk_ahb; |
180 | goto err_clk_ahb; | ||
181 | } | ||
182 | clk_enable(priv->ahbclk); | ||
183 | } | 180 | } |
181 | clk_prepare_enable(priv->ahbclk); | ||
184 | 182 | ||
185 | /* "dr" device has its own clock on i.MX51 */ | 183 | /* "dr" device has its own clock on i.MX51 */ |
186 | if (cpu_is_mx51() && (pdev->id == 0)) { | 184 | priv->phyclk = clk_get(dev, "phy"); |
187 | priv->phy1clk = clk_get(dev, "usb_phy1"); | 185 | if (IS_ERR(priv->phyclk)) |
188 | if (IS_ERR(priv->phy1clk)) { | 186 | priv->phyclk = NULL; |
189 | ret = PTR_ERR(priv->phy1clk); | 187 | if (priv->phyclk) |
190 | goto err_clk_phy; | 188 | clk_prepare_enable(priv->phyclk); |
191 | } | ||
192 | clk_enable(priv->phy1clk); | ||
193 | } | ||
194 | 189 | ||
195 | 190 | ||
196 | /* call platform specific init function */ | 191 | /* call platform specific init function */ |
@@ -265,17 +260,15 @@ err_add: | |||
265 | if (pdata && pdata->exit) | 260 | if (pdata && pdata->exit) |
266 | pdata->exit(pdev); | 261 | pdata->exit(pdev); |
267 | err_init: | 262 | err_init: |
268 | if (priv->phy1clk) { | 263 | if (priv->phyclk) { |
269 | clk_disable(priv->phy1clk); | 264 | clk_disable_unprepare(priv->phyclk); |
270 | clk_put(priv->phy1clk); | 265 | clk_put(priv->phyclk); |
271 | } | ||
272 | err_clk_phy: | ||
273 | if (priv->ahbclk) { | ||
274 | clk_disable(priv->ahbclk); | ||
275 | clk_put(priv->ahbclk); | ||
276 | } | 266 | } |
267 | |||
268 | clk_disable_unprepare(priv->ahbclk); | ||
269 | clk_put(priv->ahbclk); | ||
277 | err_clk_ahb: | 270 | err_clk_ahb: |
278 | clk_disable(priv->usbclk); | 271 | clk_disable_unprepare(priv->usbclk); |
279 | clk_put(priv->usbclk); | 272 | clk_put(priv->usbclk); |
280 | err_clk: | 273 | err_clk: |
281 | iounmap(hcd->regs); | 274 | iounmap(hcd->regs); |
@@ -307,15 +300,14 @@ static int __exit ehci_mxc_drv_remove(struct platform_device *pdev) | |||
307 | usb_put_hcd(hcd); | 300 | usb_put_hcd(hcd); |
308 | platform_set_drvdata(pdev, NULL); | 301 | platform_set_drvdata(pdev, NULL); |
309 | 302 | ||
310 | clk_disable(priv->usbclk); | 303 | clk_disable_unprepare(priv->usbclk); |
311 | clk_put(priv->usbclk); | 304 | clk_put(priv->usbclk); |
312 | if (priv->ahbclk) { | 305 | clk_disable_unprepare(priv->ahbclk); |
313 | clk_disable(priv->ahbclk); | 306 | clk_put(priv->ahbclk); |
314 | clk_put(priv->ahbclk); | 307 | |
315 | } | 308 | if (priv->phyclk) { |
316 | if (priv->phy1clk) { | 309 | clk_disable_unprepare(priv->phyclk); |
317 | clk_disable(priv->phy1clk); | 310 | clk_put(priv->phyclk); |
318 | clk_put(priv->phy1clk); | ||
319 | } | 311 | } |
320 | 312 | ||
321 | kfree(priv); | 313 | kfree(priv); |
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 6c6a5a3b4ea7..82de1073aa52 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c | |||
@@ -12,6 +12,7 @@ | |||
12 | #include <linux/module.h> | 12 | #include <linux/module.h> |
13 | #include <linux/platform_device.h> | 13 | #include <linux/platform_device.h> |
14 | #include <linux/mbus.h> | 14 | #include <linux/mbus.h> |
15 | #include <linux/clk.h> | ||
15 | #include <plat/ehci-orion.h> | 16 | #include <plat/ehci-orion.h> |
16 | 17 | ||
17 | #define rdl(off) __raw_readl(hcd->regs + (off)) | 18 | #define rdl(off) __raw_readl(hcd->regs + (off)) |
@@ -198,6 +199,7 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) | |||
198 | struct resource *res; | 199 | struct resource *res; |
199 | struct usb_hcd *hcd; | 200 | struct usb_hcd *hcd; |
200 | struct ehci_hcd *ehci; | 201 | struct ehci_hcd *ehci; |
202 | struct clk *clk; | ||
201 | void __iomem *regs; | 203 | void __iomem *regs; |
202 | int irq, err; | 204 | int irq, err; |
203 | 205 | ||
@@ -238,6 +240,14 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) | |||
238 | goto err2; | 240 | goto err2; |
239 | } | 241 | } |
240 | 242 | ||
243 | /* Not all platforms can gate the clock, so it is not | ||
244 | an error if the clock does not exists. */ | ||
245 | clk = clk_get(&pdev->dev, NULL); | ||
246 | if (!IS_ERR(clk)) { | ||
247 | clk_prepare_enable(clk); | ||
248 | clk_put(clk); | ||
249 | } | ||
250 | |||
241 | hcd = usb_create_hcd(&ehci_orion_hc_driver, | 251 | hcd = usb_create_hcd(&ehci_orion_hc_driver, |
242 | &pdev->dev, dev_name(&pdev->dev)); | 252 | &pdev->dev, dev_name(&pdev->dev)); |
243 | if (!hcd) { | 253 | if (!hcd) { |
@@ -301,12 +311,18 @@ err1: | |||
301 | static int __exit ehci_orion_drv_remove(struct platform_device *pdev) | 311 | static int __exit ehci_orion_drv_remove(struct platform_device *pdev) |
302 | { | 312 | { |
303 | struct usb_hcd *hcd = platform_get_drvdata(pdev); | 313 | struct usb_hcd *hcd = platform_get_drvdata(pdev); |
314 | struct clk *clk; | ||
304 | 315 | ||
305 | usb_remove_hcd(hcd); | 316 | usb_remove_hcd(hcd); |
306 | iounmap(hcd->regs); | 317 | iounmap(hcd->regs); |
307 | release_mem_region(hcd->rsrc_start, hcd->rsrc_len); | 318 | release_mem_region(hcd->rsrc_start, hcd->rsrc_len); |
308 | usb_put_hcd(hcd); | 319 | usb_put_hcd(hcd); |
309 | 320 | ||
321 | clk = clk_get(&pdev->dev, NULL); | ||
322 | if (!IS_ERR(clk)) { | ||
323 | clk_disable_unprepare(clk); | ||
324 | clk_put(clk); | ||
325 | } | ||
310 | return 0; | 326 | return 0; |
311 | } | 327 | } |
312 | 328 | ||
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index f135dbead07d..caad3689b4e6 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c | |||
@@ -131,7 +131,9 @@ struct imxfb_rgb { | |||
131 | struct imxfb_info { | 131 | struct imxfb_info { |
132 | struct platform_device *pdev; | 132 | struct platform_device *pdev; |
133 | void __iomem *regs; | 133 | void __iomem *regs; |
134 | struct clk *clk; | 134 | struct clk *clk_ipg; |
135 | struct clk *clk_ahb; | ||
136 | struct clk *clk_per; | ||
135 | 137 | ||
136 | /* | 138 | /* |
137 | * These are the addresses we mapped | 139 | * These are the addresses we mapped |
@@ -340,7 +342,7 @@ static int imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) | |||
340 | 342 | ||
341 | pr_debug("var->bits_per_pixel=%d\n", var->bits_per_pixel); | 343 | pr_debug("var->bits_per_pixel=%d\n", var->bits_per_pixel); |
342 | 344 | ||
343 | lcd_clk = clk_get_rate(fbi->clk); | 345 | lcd_clk = clk_get_rate(fbi->clk_per); |
344 | 346 | ||
345 | tmp = var->pixclock * (unsigned long long)lcd_clk; | 347 | tmp = var->pixclock * (unsigned long long)lcd_clk; |
346 | 348 | ||
@@ -455,11 +457,17 @@ static int imxfb_bl_update_status(struct backlight_device *bl) | |||
455 | 457 | ||
456 | fbi->pwmr = (fbi->pwmr & ~0xFF) | brightness; | 458 | fbi->pwmr = (fbi->pwmr & ~0xFF) | brightness; |
457 | 459 | ||
458 | if (bl->props.fb_blank != FB_BLANK_UNBLANK) | 460 | if (bl->props.fb_blank != FB_BLANK_UNBLANK) { |
459 | clk_enable(fbi->clk); | 461 | clk_prepare_enable(fbi->clk_ipg); |
462 | clk_prepare_enable(fbi->clk_ahb); | ||
463 | clk_prepare_enable(fbi->clk_per); | ||
464 | } | ||
460 | writel(fbi->pwmr, fbi->regs + LCDC_PWMR); | 465 | writel(fbi->pwmr, fbi->regs + LCDC_PWMR); |
461 | if (bl->props.fb_blank != FB_BLANK_UNBLANK) | 466 | if (bl->props.fb_blank != FB_BLANK_UNBLANK) { |
462 | clk_disable(fbi->clk); | 467 | clk_disable_unprepare(fbi->clk_per); |
468 | clk_disable_unprepare(fbi->clk_ahb); | ||
469 | clk_disable_unprepare(fbi->clk_ipg); | ||
470 | } | ||
463 | 471 | ||
464 | return 0; | 472 | return 0; |
465 | } | 473 | } |
@@ -522,7 +530,9 @@ static void imxfb_enable_controller(struct imxfb_info *fbi) | |||
522 | */ | 530 | */ |
523 | writel(RMCR_LCDC_EN_MX1, fbi->regs + LCDC_RMCR); | 531 | writel(RMCR_LCDC_EN_MX1, fbi->regs + LCDC_RMCR); |
524 | 532 | ||
525 | clk_enable(fbi->clk); | 533 | clk_prepare_enable(fbi->clk_ipg); |
534 | clk_prepare_enable(fbi->clk_ahb); | ||
535 | clk_prepare_enable(fbi->clk_per); | ||
526 | 536 | ||
527 | if (fbi->backlight_power) | 537 | if (fbi->backlight_power) |
528 | fbi->backlight_power(1); | 538 | fbi->backlight_power(1); |
@@ -539,7 +549,9 @@ static void imxfb_disable_controller(struct imxfb_info *fbi) | |||
539 | if (fbi->lcd_power) | 549 | if (fbi->lcd_power) |
540 | fbi->lcd_power(0); | 550 | fbi->lcd_power(0); |
541 | 551 | ||
542 | clk_disable(fbi->clk); | 552 | clk_disable_unprepare(fbi->clk_per); |
553 | clk_disable_unprepare(fbi->clk_ipg); | ||
554 | clk_disable_unprepare(fbi->clk_ahb); | ||
543 | 555 | ||
544 | writel(0, fbi->regs + LCDC_RMCR); | 556 | writel(0, fbi->regs + LCDC_RMCR); |
545 | } | 557 | } |
@@ -770,10 +782,21 @@ static int __init imxfb_probe(struct platform_device *pdev) | |||
770 | goto failed_req; | 782 | goto failed_req; |
771 | } | 783 | } |
772 | 784 | ||
773 | fbi->clk = clk_get(&pdev->dev, NULL); | 785 | fbi->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); |
774 | if (IS_ERR(fbi->clk)) { | 786 | if (IS_ERR(fbi->clk_ipg)) { |
775 | ret = PTR_ERR(fbi->clk); | 787 | ret = PTR_ERR(fbi->clk_ipg); |
776 | dev_err(&pdev->dev, "unable to get clock: %d\n", ret); | 788 | goto failed_getclock; |
789 | } | ||
790 | |||
791 | fbi->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); | ||
792 | if (IS_ERR(fbi->clk_ahb)) { | ||
793 | ret = PTR_ERR(fbi->clk_ahb); | ||
794 | goto failed_getclock; | ||
795 | } | ||
796 | |||
797 | fbi->clk_per = devm_clk_get(&pdev->dev, "per"); | ||
798 | if (IS_ERR(fbi->clk_per)) { | ||
799 | ret = PTR_ERR(fbi->clk_per); | ||
777 | goto failed_getclock; | 800 | goto failed_getclock; |
778 | } | 801 | } |
779 | 802 | ||
@@ -858,7 +881,6 @@ failed_platform_init: | |||
858 | failed_map: | 881 | failed_map: |
859 | iounmap(fbi->regs); | 882 | iounmap(fbi->regs); |
860 | failed_ioremap: | 883 | failed_ioremap: |
861 | clk_put(fbi->clk); | ||
862 | failed_getclock: | 884 | failed_getclock: |
863 | release_mem_region(res->start, resource_size(res)); | 885 | release_mem_region(res->start, resource_size(res)); |
864 | failed_req: | 886 | failed_req: |
@@ -895,8 +917,6 @@ static int __devexit imxfb_remove(struct platform_device *pdev) | |||
895 | 917 | ||
896 | iounmap(fbi->regs); | 918 | iounmap(fbi->regs); |
897 | release_mem_region(res->start, resource_size(res)); | 919 | release_mem_region(res->start, resource_size(res)); |
898 | clk_disable(fbi->clk); | ||
899 | clk_put(fbi->clk); | ||
900 | 920 | ||
901 | platform_set_drvdata(pdev, NULL); | 921 | platform_set_drvdata(pdev, NULL); |
902 | 922 | ||
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c index a3b6a74c67a7..1cc61a700fa8 100644 --- a/drivers/w1/masters/mxc_w1.c +++ b/drivers/w1/masters/mxc_w1.c | |||
@@ -138,7 +138,7 @@ static int __devinit mxc_w1_probe(struct platform_device *pdev) | |||
138 | goto failed_ioremap; | 138 | goto failed_ioremap; |
139 | } | 139 | } |
140 | 140 | ||
141 | clk_enable(mdev->clk); | 141 | clk_prepare_enable(mdev->clk); |
142 | __raw_writeb(mdev->clkdiv, mdev->regs + MXC_W1_TIME_DIVIDER); | 142 | __raw_writeb(mdev->clkdiv, mdev->regs + MXC_W1_TIME_DIVIDER); |
143 | 143 | ||
144 | mdev->bus_master.data = mdev; | 144 | mdev->bus_master.data = mdev; |
@@ -178,7 +178,7 @@ static int __devexit mxc_w1_remove(struct platform_device *pdev) | |||
178 | 178 | ||
179 | iounmap(mdev->regs); | 179 | iounmap(mdev->regs); |
180 | release_mem_region(res->start, resource_size(res)); | 180 | release_mem_region(res->start, resource_size(res)); |
181 | clk_disable(mdev->clk); | 181 | clk_disable_unprepare(mdev->clk); |
182 | clk_put(mdev->clk); | 182 | clk_put(mdev->clk); |
183 | 183 | ||
184 | platform_set_drvdata(pdev, NULL); | 184 | platform_set_drvdata(pdev, NULL); |
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index 7a2b734fcdc7..bcfab2b00ad2 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c | |||
@@ -121,7 +121,7 @@ static void imx2_wdt_start(void) | |||
121 | { | 121 | { |
122 | if (!test_and_set_bit(IMX2_WDT_STATUS_STARTED, &imx2_wdt.status)) { | 122 | if (!test_and_set_bit(IMX2_WDT_STATUS_STARTED, &imx2_wdt.status)) { |
123 | /* at our first start we enable clock and do initialisations */ | 123 | /* at our first start we enable clock and do initialisations */ |
124 | clk_enable(imx2_wdt.clk); | 124 | clk_prepare_enable(imx2_wdt.clk); |
125 | 125 | ||
126 | imx2_wdt_setup(); | 126 | imx2_wdt_setup(); |
127 | } else /* delete the timer that pings the watchdog after close */ | 127 | } else /* delete the timer that pings the watchdog after close */ |
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 788aa158e78c..0f5736949c61 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c | |||
@@ -24,8 +24,8 @@ | |||
24 | #include <linux/uaccess.h> | 24 | #include <linux/uaccess.h> |
25 | #include <linux/io.h> | 25 | #include <linux/io.h> |
26 | #include <linux/spinlock.h> | 26 | #include <linux/spinlock.h> |
27 | #include <linux/clk.h> | ||
27 | #include <mach/bridge-regs.h> | 28 | #include <mach/bridge-regs.h> |
28 | #include <plat/orion_wdt.h> | ||
29 | 29 | ||
30 | /* | 30 | /* |
31 | * Watchdog timer block registers. | 31 | * Watchdog timer block registers. |
@@ -41,6 +41,7 @@ | |||
41 | static bool nowayout = WATCHDOG_NOWAYOUT; | 41 | static bool nowayout = WATCHDOG_NOWAYOUT; |
42 | static int heartbeat = -1; /* module parameter (seconds) */ | 42 | static int heartbeat = -1; /* module parameter (seconds) */ |
43 | static unsigned int wdt_max_duration; /* (seconds) */ | 43 | static unsigned int wdt_max_duration; /* (seconds) */ |
44 | static struct clk *clk; | ||
44 | static unsigned int wdt_tclk; | 45 | static unsigned int wdt_tclk; |
45 | static void __iomem *wdt_reg; | 46 | static void __iomem *wdt_reg; |
46 | static unsigned long wdt_status; | 47 | static unsigned long wdt_status; |
@@ -237,16 +238,16 @@ static struct miscdevice orion_wdt_miscdev = { | |||
237 | 238 | ||
238 | static int __devinit orion_wdt_probe(struct platform_device *pdev) | 239 | static int __devinit orion_wdt_probe(struct platform_device *pdev) |
239 | { | 240 | { |
240 | struct orion_wdt_platform_data *pdata = pdev->dev.platform_data; | ||
241 | struct resource *res; | 241 | struct resource *res; |
242 | int ret; | 242 | int ret; |
243 | 243 | ||
244 | if (pdata) { | 244 | clk = clk_get(&pdev->dev, NULL); |
245 | wdt_tclk = pdata->tclk; | 245 | if (IS_ERR(clk)) { |
246 | } else { | 246 | printk(KERN_ERR "Orion Watchdog missing clock\n"); |
247 | pr_err("misses platform data\n"); | ||
248 | return -ENODEV; | 247 | return -ENODEV; |
249 | } | 248 | } |
249 | clk_prepare_enable(clk); | ||
250 | wdt_tclk = clk_get_rate(clk); | ||
250 | 251 | ||
251 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 252 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
252 | 253 | ||
@@ -282,6 +283,9 @@ static int __devexit orion_wdt_remove(struct platform_device *pdev) | |||
282 | if (!ret) | 283 | if (!ret) |
283 | orion_wdt_miscdev.parent = NULL; | 284 | orion_wdt_miscdev.parent = NULL; |
284 | 285 | ||
286 | clk_disable_unprepare(clk); | ||
287 | clk_put(clk); | ||
288 | |||
285 | return ret; | 289 | return ret; |
286 | } | 290 | } |
287 | 291 | ||
diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h index 5e4312b6f5cc..eb3f84bc5325 100644 --- a/include/linux/clk-private.h +++ b/include/linux/clk-private.h | |||
@@ -30,7 +30,7 @@ struct clk { | |||
30 | const struct clk_ops *ops; | 30 | const struct clk_ops *ops; |
31 | struct clk_hw *hw; | 31 | struct clk_hw *hw; |
32 | struct clk *parent; | 32 | struct clk *parent; |
33 | char **parent_names; | 33 | const char **parent_names; |
34 | struct clk **parents; | 34 | struct clk **parents; |
35 | u8 num_parents; | 35 | u8 num_parents; |
36 | unsigned long rate; | 36 | unsigned long rate; |
@@ -55,12 +55,22 @@ struct clk { | |||
55 | * alternative macro for static initialization | 55 | * alternative macro for static initialization |
56 | */ | 56 | */ |
57 | 57 | ||
58 | extern struct clk_ops clk_fixed_rate_ops; | 58 | #define DEFINE_CLK(_name, _ops, _flags, _parent_names, \ |
59 | _parents) \ | ||
60 | static struct clk _name = { \ | ||
61 | .name = #_name, \ | ||
62 | .ops = &_ops, \ | ||
63 | .hw = &_name##_hw.hw, \ | ||
64 | .parent_names = _parent_names, \ | ||
65 | .num_parents = ARRAY_SIZE(_parent_names), \ | ||
66 | .parents = _parents, \ | ||
67 | .flags = _flags, \ | ||
68 | } | ||
59 | 69 | ||
60 | #define DEFINE_CLK_FIXED_RATE(_name, _flags, _rate, \ | 70 | #define DEFINE_CLK_FIXED_RATE(_name, _flags, _rate, \ |
61 | _fixed_rate_flags) \ | 71 | _fixed_rate_flags) \ |
62 | static struct clk _name; \ | 72 | static struct clk _name; \ |
63 | static char *_name##_parent_names[] = {}; \ | 73 | static const char *_name##_parent_names[] = {}; \ |
64 | static struct clk_fixed_rate _name##_hw = { \ | 74 | static struct clk_fixed_rate _name##_hw = { \ |
65 | .hw = { \ | 75 | .hw = { \ |
66 | .clk = &_name, \ | 76 | .clk = &_name, \ |
@@ -68,23 +78,14 @@ extern struct clk_ops clk_fixed_rate_ops; | |||
68 | .fixed_rate = _rate, \ | 78 | .fixed_rate = _rate, \ |
69 | .flags = _fixed_rate_flags, \ | 79 | .flags = _fixed_rate_flags, \ |
70 | }; \ | 80 | }; \ |
71 | static struct clk _name = { \ | 81 | DEFINE_CLK(_name, clk_fixed_rate_ops, _flags, \ |
72 | .name = #_name, \ | 82 | _name##_parent_names, NULL); |
73 | .ops = &clk_fixed_rate_ops, \ | ||
74 | .hw = &_name##_hw.hw, \ | ||
75 | .parent_names = _name##_parent_names, \ | ||
76 | .num_parents = \ | ||
77 | ARRAY_SIZE(_name##_parent_names), \ | ||
78 | .flags = _flags, \ | ||
79 | }; | ||
80 | |||
81 | extern struct clk_ops clk_gate_ops; | ||
82 | 83 | ||
83 | #define DEFINE_CLK_GATE(_name, _parent_name, _parent_ptr, \ | 84 | #define DEFINE_CLK_GATE(_name, _parent_name, _parent_ptr, \ |
84 | _flags, _reg, _bit_idx, \ | 85 | _flags, _reg, _bit_idx, \ |
85 | _gate_flags, _lock) \ | 86 | _gate_flags, _lock) \ |
86 | static struct clk _name; \ | 87 | static struct clk _name; \ |
87 | static char *_name##_parent_names[] = { \ | 88 | static const char *_name##_parent_names[] = { \ |
88 | _parent_name, \ | 89 | _parent_name, \ |
89 | }; \ | 90 | }; \ |
90 | static struct clk *_name##_parents[] = { \ | 91 | static struct clk *_name##_parents[] = { \ |
@@ -99,24 +100,14 @@ extern struct clk_ops clk_gate_ops; | |||
99 | .flags = _gate_flags, \ | 100 | .flags = _gate_flags, \ |
100 | .lock = _lock, \ | 101 | .lock = _lock, \ |
101 | }; \ | 102 | }; \ |
102 | static struct clk _name = { \ | 103 | DEFINE_CLK(_name, clk_gate_ops, _flags, \ |
103 | .name = #_name, \ | 104 | _name##_parent_names, _name##_parents); |
104 | .ops = &clk_gate_ops, \ | ||
105 | .hw = &_name##_hw.hw, \ | ||
106 | .parent_names = _name##_parent_names, \ | ||
107 | .num_parents = \ | ||
108 | ARRAY_SIZE(_name##_parent_names), \ | ||
109 | .parents = _name##_parents, \ | ||
110 | .flags = _flags, \ | ||
111 | }; | ||
112 | |||
113 | extern struct clk_ops clk_divider_ops; | ||
114 | 105 | ||
115 | #define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \ | 106 | #define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \ |
116 | _flags, _reg, _shift, _width, \ | 107 | _flags, _reg, _shift, _width, \ |
117 | _divider_flags, _lock) \ | 108 | _divider_flags, _lock) \ |
118 | static struct clk _name; \ | 109 | static struct clk _name; \ |
119 | static char *_name##_parent_names[] = { \ | 110 | static const char *_name##_parent_names[] = { \ |
120 | _parent_name, \ | 111 | _parent_name, \ |
121 | }; \ | 112 | }; \ |
122 | static struct clk *_name##_parents[] = { \ | 113 | static struct clk *_name##_parents[] = { \ |
@@ -132,18 +123,8 @@ extern struct clk_ops clk_divider_ops; | |||
132 | .flags = _divider_flags, \ | 123 | .flags = _divider_flags, \ |
133 | .lock = _lock, \ | 124 | .lock = _lock, \ |
134 | }; \ | 125 | }; \ |
135 | static struct clk _name = { \ | 126 | DEFINE_CLK(_name, clk_divider_ops, _flags, \ |
136 | .name = #_name, \ | 127 | _name##_parent_names, _name##_parents); |
137 | .ops = &clk_divider_ops, \ | ||
138 | .hw = &_name##_hw.hw, \ | ||
139 | .parent_names = _name##_parent_names, \ | ||
140 | .num_parents = \ | ||
141 | ARRAY_SIZE(_name##_parent_names), \ | ||
142 | .parents = _name##_parents, \ | ||
143 | .flags = _flags, \ | ||
144 | }; | ||
145 | |||
146 | extern struct clk_ops clk_mux_ops; | ||
147 | 128 | ||
148 | #define DEFINE_CLK_MUX(_name, _parent_names, _parents, _flags, \ | 129 | #define DEFINE_CLK_MUX(_name, _parent_names, _parents, _flags, \ |
149 | _reg, _shift, _width, \ | 130 | _reg, _shift, _width, \ |
@@ -159,16 +140,28 @@ extern struct clk_ops clk_mux_ops; | |||
159 | .flags = _mux_flags, \ | 140 | .flags = _mux_flags, \ |
160 | .lock = _lock, \ | 141 | .lock = _lock, \ |
161 | }; \ | 142 | }; \ |
162 | static struct clk _name = { \ | 143 | DEFINE_CLK(_name, clk_mux_ops, _flags, _parent_names, \ |
163 | .name = #_name, \ | 144 | _parents); |
164 | .ops = &clk_mux_ops, \ | 145 | |
165 | .hw = &_name##_hw.hw, \ | 146 | #define DEFINE_CLK_FIXED_FACTOR(_name, _parent_name, \ |
166 | .parent_names = _parent_names, \ | 147 | _parent_ptr, _flags, \ |
167 | .num_parents = \ | 148 | _mult, _div) \ |
168 | ARRAY_SIZE(_parent_names), \ | 149 | static struct clk _name; \ |
169 | .parents = _parents, \ | 150 | static const char *_name##_parent_names[] = { \ |
170 | .flags = _flags, \ | 151 | _parent_name, \ |
171 | }; | 152 | }; \ |
153 | static struct clk *_name##_parents[] = { \ | ||
154 | _parent_ptr, \ | ||
155 | }; \ | ||
156 | static struct clk_fixed_factor _name##_hw = { \ | ||
157 | .hw = { \ | ||
158 | .clk = &_name, \ | ||
159 | }, \ | ||
160 | .mult = _mult, \ | ||
161 | .div = _div, \ | ||
162 | }; \ | ||
163 | DEFINE_CLK(_name, clk_fixed_factor_ops, _flags, \ | ||
164 | _name##_parent_names, _name##_parents); | ||
172 | 165 | ||
173 | /** | 166 | /** |
174 | * __clk_init - initialize the data structures in a struct clk | 167 | * __clk_init - initialize the data structures in a struct clk |
@@ -189,8 +182,12 @@ extern struct clk_ops clk_mux_ops; | |||
189 | * | 182 | * |
190 | * It is not necessary to call clk_register if __clk_init is used directly with | 183 | * It is not necessary to call clk_register if __clk_init is used directly with |
191 | * statically initialized clock data. | 184 | * statically initialized clock data. |
185 | * | ||
186 | * Returns 0 on success, otherwise an error code. | ||
192 | */ | 187 | */ |
193 | void __clk_init(struct device *dev, struct clk *clk); | 188 | int __clk_init(struct device *dev, struct clk *clk); |
189 | |||
190 | struct clk *__clk_register(struct device *dev, struct clk_hw *hw); | ||
194 | 191 | ||
195 | #endif /* CONFIG_COMMON_CLK */ | 192 | #endif /* CONFIG_COMMON_CLK */ |
196 | #endif /* CLK_PRIVATE_H */ | 193 | #endif /* CLK_PRIVATE_H */ |
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 5508897ad376..4a0b483986c3 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h | |||
@@ -15,19 +15,6 @@ | |||
15 | 15 | ||
16 | #ifdef CONFIG_COMMON_CLK | 16 | #ifdef CONFIG_COMMON_CLK |
17 | 17 | ||
18 | /** | ||
19 | * struct clk_hw - handle for traversing from a struct clk to its corresponding | ||
20 | * hardware-specific structure. struct clk_hw should be declared within struct | ||
21 | * clk_foo and then referenced by the struct clk instance that uses struct | ||
22 | * clk_foo's clk_ops | ||
23 | * | ||
24 | * clk: pointer to the struct clk instance that points back to this struct | ||
25 | * clk_hw instance | ||
26 | */ | ||
27 | struct clk_hw { | ||
28 | struct clk *clk; | ||
29 | }; | ||
30 | |||
31 | /* | 18 | /* |
32 | * flags used across common struct clk. these flags should only affect the | 19 | * flags used across common struct clk. these flags should only affect the |
33 | * top-level framework. custom flags for dealing with hardware specifics | 20 | * top-level framework. custom flags for dealing with hardware specifics |
@@ -39,6 +26,8 @@ struct clk_hw { | |||
39 | #define CLK_IGNORE_UNUSED BIT(3) /* do not gate even if unused */ | 26 | #define CLK_IGNORE_UNUSED BIT(3) /* do not gate even if unused */ |
40 | #define CLK_IS_ROOT BIT(4) /* root clk, has no parent */ | 27 | #define CLK_IS_ROOT BIT(4) /* root clk, has no parent */ |
41 | 28 | ||
29 | struct clk_hw; | ||
30 | |||
42 | /** | 31 | /** |
43 | * struct clk_ops - Callback operations for hardware clocks; these are to | 32 | * struct clk_ops - Callback operations for hardware clocks; these are to |
44 | * be provided by the clock implementation, and will be called by drivers | 33 | * be provided by the clock implementation, and will be called by drivers |
@@ -88,19 +77,11 @@ struct clk_hw { | |||
88 | * array index into the value programmed into the hardware. | 77 | * array index into the value programmed into the hardware. |
89 | * Returns 0 on success, -EERROR otherwise. | 78 | * Returns 0 on success, -EERROR otherwise. |
90 | * | 79 | * |
91 | * @set_rate: Change the rate of this clock. If this callback returns | 80 | * @set_rate: Change the rate of this clock. The requested rate is specified |
92 | * CLK_SET_RATE_PARENT, the rate change will be propagated to the | 81 | * by the second argument, which should typically be the return |
93 | * parent clock (which may propagate again if the parent clock | 82 | * of .round_rate call. The third argument gives the parent rate |
94 | * also sets this flag). The requested rate of the parent is | 83 | * which is likely helpful for most .set_rate implementation. |
95 | * passed back from the callback in the second 'unsigned long *' | 84 | * Returns 0 on success, -EERROR otherwise. |
96 | * argument. Note that it is up to the hardware clock's set_rate | ||
97 | * implementation to insure that clocks do not run out of spec | ||
98 | * when propgating the call to set_rate up to the parent. One way | ||
99 | * to do this is to gate the clock (via clk_disable and/or | ||
100 | * clk_unprepare) before calling clk_set_rate, then ungating it | ||
101 | * afterward. If your clock also has the CLK_GATE_SET_RATE flag | ||
102 | * set then this will insure safety. Returns 0 on success, | ||
103 | * -EERROR otherwise. | ||
104 | * | 85 | * |
105 | * The clk_enable/clk_disable and clk_prepare/clk_unprepare pairs allow | 86 | * The clk_enable/clk_disable and clk_prepare/clk_unprepare pairs allow |
106 | * implementations to split any work between atomic (enable) and sleepable | 87 | * implementations to split any work between atomic (enable) and sleepable |
@@ -125,10 +106,46 @@ struct clk_ops { | |||
125 | unsigned long *); | 106 | unsigned long *); |
126 | int (*set_parent)(struct clk_hw *hw, u8 index); | 107 | int (*set_parent)(struct clk_hw *hw, u8 index); |
127 | u8 (*get_parent)(struct clk_hw *hw); | 108 | u8 (*get_parent)(struct clk_hw *hw); |
128 | int (*set_rate)(struct clk_hw *hw, unsigned long); | 109 | int (*set_rate)(struct clk_hw *hw, unsigned long, |
110 | unsigned long); | ||
129 | void (*init)(struct clk_hw *hw); | 111 | void (*init)(struct clk_hw *hw); |
130 | }; | 112 | }; |
131 | 113 | ||
114 | /** | ||
115 | * struct clk_init_data - holds init data that's common to all clocks and is | ||
116 | * shared between the clock provider and the common clock framework. | ||
117 | * | ||
118 | * @name: clock name | ||
119 | * @ops: operations this clock supports | ||
120 | * @parent_names: array of string names for all possible parents | ||
121 | * @num_parents: number of possible parents | ||
122 | * @flags: framework-level hints and quirks | ||
123 | */ | ||
124 | struct clk_init_data { | ||
125 | const char *name; | ||
126 | const struct clk_ops *ops; | ||
127 | const char **parent_names; | ||
128 | u8 num_parents; | ||
129 | unsigned long flags; | ||
130 | }; | ||
131 | |||
132 | /** | ||
133 | * struct clk_hw - handle for traversing from a struct clk to its corresponding | ||
134 | * hardware-specific structure. struct clk_hw should be declared within struct | ||
135 | * clk_foo and then referenced by the struct clk instance that uses struct | ||
136 | * clk_foo's clk_ops | ||
137 | * | ||
138 | * @clk: pointer to the struct clk instance that points back to this struct | ||
139 | * clk_hw instance | ||
140 | * | ||
141 | * @init: pointer to struct clk_init_data that contains the init data shared | ||
142 | * with the common clock framework. | ||
143 | */ | ||
144 | struct clk_hw { | ||
145 | struct clk *clk; | ||
146 | struct clk_init_data *init; | ||
147 | }; | ||
148 | |||
132 | /* | 149 | /* |
133 | * DOC: Basic clock implementations common to many platforms | 150 | * DOC: Basic clock implementations common to many platforms |
134 | * | 151 | * |
@@ -149,6 +166,7 @@ struct clk_fixed_rate { | |||
149 | u8 flags; | 166 | u8 flags; |
150 | }; | 167 | }; |
151 | 168 | ||
169 | extern const struct clk_ops clk_fixed_rate_ops; | ||
152 | struct clk *clk_register_fixed_rate(struct device *dev, const char *name, | 170 | struct clk *clk_register_fixed_rate(struct device *dev, const char *name, |
153 | const char *parent_name, unsigned long flags, | 171 | const char *parent_name, unsigned long flags, |
154 | unsigned long fixed_rate); | 172 | unsigned long fixed_rate); |
@@ -165,7 +183,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, | |||
165 | * Clock which can gate its output. Implements .enable & .disable | 183 | * Clock which can gate its output. Implements .enable & .disable |
166 | * | 184 | * |
167 | * Flags: | 185 | * Flags: |
168 | * CLK_GATE_SET_DISABLE - by default this clock sets the bit at bit_idx to | 186 | * CLK_GATE_SET_TO_DISABLE - by default this clock sets the bit at bit_idx to |
169 | * enable the clock. Setting this flag does the opposite: setting the bit | 187 | * enable the clock. Setting this flag does the opposite: setting the bit |
170 | * disable the clock and clearing it enables the clock | 188 | * disable the clock and clearing it enables the clock |
171 | */ | 189 | */ |
@@ -175,11 +193,11 @@ struct clk_gate { | |||
175 | u8 bit_idx; | 193 | u8 bit_idx; |
176 | u8 flags; | 194 | u8 flags; |
177 | spinlock_t *lock; | 195 | spinlock_t *lock; |
178 | char *parent[1]; | ||
179 | }; | 196 | }; |
180 | 197 | ||
181 | #define CLK_GATE_SET_TO_DISABLE BIT(0) | 198 | #define CLK_GATE_SET_TO_DISABLE BIT(0) |
182 | 199 | ||
200 | extern const struct clk_ops clk_gate_ops; | ||
183 | struct clk *clk_register_gate(struct device *dev, const char *name, | 201 | struct clk *clk_register_gate(struct device *dev, const char *name, |
184 | const char *parent_name, unsigned long flags, | 202 | const char *parent_name, unsigned long flags, |
185 | void __iomem *reg, u8 bit_idx, | 203 | void __iomem *reg, u8 bit_idx, |
@@ -212,12 +230,12 @@ struct clk_divider { | |||
212 | u8 width; | 230 | u8 width; |
213 | u8 flags; | 231 | u8 flags; |
214 | spinlock_t *lock; | 232 | spinlock_t *lock; |
215 | char *parent[1]; | ||
216 | }; | 233 | }; |
217 | 234 | ||
218 | #define CLK_DIVIDER_ONE_BASED BIT(0) | 235 | #define CLK_DIVIDER_ONE_BASED BIT(0) |
219 | #define CLK_DIVIDER_POWER_OF_TWO BIT(1) | 236 | #define CLK_DIVIDER_POWER_OF_TWO BIT(1) |
220 | 237 | ||
238 | extern const struct clk_ops clk_divider_ops; | ||
221 | struct clk *clk_register_divider(struct device *dev, const char *name, | 239 | struct clk *clk_register_divider(struct device *dev, const char *name, |
222 | const char *parent_name, unsigned long flags, | 240 | const char *parent_name, unsigned long flags, |
223 | void __iomem *reg, u8 shift, u8 width, | 241 | void __iomem *reg, u8 shift, u8 width, |
@@ -238,7 +256,7 @@ struct clk *clk_register_divider(struct device *dev, const char *name, | |||
238 | * | 256 | * |
239 | * Flags: | 257 | * Flags: |
240 | * CLK_MUX_INDEX_ONE - register index starts at 1, not 0 | 258 | * CLK_MUX_INDEX_ONE - register index starts at 1, not 0 |
241 | * CLK_MUX_INDEX_BITWISE - register index is a single bit (power of two) | 259 | * CLK_MUX_INDEX_BIT - register index is a single bit (power of two) |
242 | */ | 260 | */ |
243 | struct clk_mux { | 261 | struct clk_mux { |
244 | struct clk_hw hw; | 262 | struct clk_hw hw; |
@@ -252,29 +270,49 @@ struct clk_mux { | |||
252 | #define CLK_MUX_INDEX_ONE BIT(0) | 270 | #define CLK_MUX_INDEX_ONE BIT(0) |
253 | #define CLK_MUX_INDEX_BIT BIT(1) | 271 | #define CLK_MUX_INDEX_BIT BIT(1) |
254 | 272 | ||
273 | extern const struct clk_ops clk_mux_ops; | ||
255 | struct clk *clk_register_mux(struct device *dev, const char *name, | 274 | struct clk *clk_register_mux(struct device *dev, const char *name, |
256 | char **parent_names, u8 num_parents, unsigned long flags, | 275 | const char **parent_names, u8 num_parents, unsigned long flags, |
257 | void __iomem *reg, u8 shift, u8 width, | 276 | void __iomem *reg, u8 shift, u8 width, |
258 | u8 clk_mux_flags, spinlock_t *lock); | 277 | u8 clk_mux_flags, spinlock_t *lock); |
259 | 278 | ||
260 | /** | 279 | /** |
280 | * struct clk_fixed_factor - fixed multiplier and divider clock | ||
281 | * | ||
282 | * @hw: handle between common and hardware-specific interfaces | ||
283 | * @mult: multiplier | ||
284 | * @div: divider | ||
285 | * | ||
286 | * Clock with a fixed multiplier and divider. The output frequency is the | ||
287 | * parent clock rate divided by div and multiplied by mult. | ||
288 | * Implements .recalc_rate, .set_rate and .round_rate | ||
289 | */ | ||
290 | |||
291 | struct clk_fixed_factor { | ||
292 | struct clk_hw hw; | ||
293 | unsigned int mult; | ||
294 | unsigned int div; | ||
295 | }; | ||
296 | |||
297 | extern struct clk_ops clk_fixed_factor_ops; | ||
298 | struct clk *clk_register_fixed_factor(struct device *dev, const char *name, | ||
299 | const char *parent_name, unsigned long flags, | ||
300 | unsigned int mult, unsigned int div); | ||
301 | |||
302 | /** | ||
261 | * clk_register - allocate a new clock, register it and return an opaque cookie | 303 | * clk_register - allocate a new clock, register it and return an opaque cookie |
262 | * @dev: device that is registering this clock | 304 | * @dev: device that is registering this clock |
263 | * @name: clock name | ||
264 | * @ops: operations this clock supports | ||
265 | * @hw: link to hardware-specific clock data | 305 | * @hw: link to hardware-specific clock data |
266 | * @parent_names: array of string names for all possible parents | ||
267 | * @num_parents: number of possible parents | ||
268 | * @flags: framework-level hints and quirks | ||
269 | * | 306 | * |
270 | * clk_register is the primary interface for populating the clock tree with new | 307 | * clk_register is the primary interface for populating the clock tree with new |
271 | * clock nodes. It returns a pointer to the newly allocated struct clk which | 308 | * clock nodes. It returns a pointer to the newly allocated struct clk which |
272 | * cannot be dereferenced by driver code but may be used in conjuction with the | 309 | * cannot be dereferenced by driver code but may be used in conjuction with the |
273 | * rest of the clock API. | 310 | * rest of the clock API. In the event of an error clk_register will return an |
311 | * error code; drivers must test for an error code after calling clk_register. | ||
274 | */ | 312 | */ |
275 | struct clk *clk_register(struct device *dev, const char *name, | 313 | struct clk *clk_register(struct device *dev, struct clk_hw *hw); |
276 | const struct clk_ops *ops, struct clk_hw *hw, | 314 | |
277 | char **parent_names, u8 num_parents, unsigned long flags); | 315 | void clk_unregister(struct clk *clk); |
278 | 316 | ||
279 | /* helper functions */ | 317 | /* helper functions */ |
280 | const char *__clk_get_name(struct clk *clk); | 318 | const char *__clk_get_name(struct clk *clk); |
diff --git a/include/linux/clk.h b/include/linux/clk.h index 70cf722ac3af..ad5c43e8ae8a 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h | |||
@@ -81,7 +81,7 @@ int clk_notifier_register(struct clk *clk, struct notifier_block *nb); | |||
81 | 81 | ||
82 | int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb); | 82 | int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb); |
83 | 83 | ||
84 | #endif /* !CONFIG_COMMON_CLK */ | 84 | #endif |
85 | 85 | ||
86 | /** | 86 | /** |
87 | * clk_get - lookup and obtain a reference to a clock producer. | 87 | * clk_get - lookup and obtain a reference to a clock producer. |
@@ -252,7 +252,7 @@ void devm_clk_put(struct device *dev, struct clk *clk); | |||
252 | * Returns rounded clock rate in Hz, or negative errno. | 252 | * Returns rounded clock rate in Hz, or negative errno. |
253 | */ | 253 | */ |
254 | long clk_round_rate(struct clk *clk, unsigned long rate); | 254 | long clk_round_rate(struct clk *clk, unsigned long rate); |
255 | 255 | ||
256 | /** | 256 | /** |
257 | * clk_set_rate - set the clock rate for a clock source | 257 | * clk_set_rate - set the clock rate for a clock source |
258 | * @clk: clock source | 258 | * @clk: clock source |
@@ -261,7 +261,7 @@ long clk_round_rate(struct clk *clk, unsigned long rate); | |||
261 | * Returns success (0) or negative errno. | 261 | * Returns success (0) or negative errno. |
262 | */ | 262 | */ |
263 | int clk_set_rate(struct clk *clk, unsigned long rate); | 263 | int clk_set_rate(struct clk *clk, unsigned long rate); |
264 | 264 | ||
265 | /** | 265 | /** |
266 | * clk_set_parent - set the parent clock source for this clock | 266 | * clk_set_parent - set the parent clock source for this clock |
267 | * @clk: clock source | 267 | * @clk: clock source |
diff --git a/include/linux/mv643xx_eth.h b/include/linux/mv643xx_eth.h index 30b0c4e78f91..51bf8ada6dc0 100644 --- a/include/linux/mv643xx_eth.h +++ b/include/linux/mv643xx_eth.h | |||
@@ -18,7 +18,6 @@ | |||
18 | struct mv643xx_eth_shared_platform_data { | 18 | struct mv643xx_eth_shared_platform_data { |
19 | struct mbus_dram_target_info *dram; | 19 | struct mbus_dram_target_info *dram; |
20 | struct platform_device *shared_smi; | 20 | struct platform_device *shared_smi; |
21 | unsigned int t_clk; | ||
22 | /* | 21 | /* |
23 | * Max packet size for Tx IP/Layer 4 checksum, when set to 0, default | 22 | * Max packet size for Tx IP/Layer 4 checksum, when set to 0, default |
24 | * limit of 9KiB will be used. | 23 | * limit of 9KiB will be used. |
diff --git a/include/linux/spi/orion_spi.h b/include/linux/spi/orion_spi.h deleted file mode 100644 index b4d9fa6f797c..000000000000 --- a/include/linux/spi/orion_spi.h +++ /dev/null | |||
@@ -1,17 +0,0 @@ | |||
1 | /* | ||
2 | * orion_spi.h | ||
3 | * | ||
4 | * This file is licensed under the terms of the GNU General Public | ||
5 | * License version 2. This program is licensed "as is" without any | ||
6 | * warranty of any kind, whether express or implied. | ||
7 | */ | ||
8 | |||
9 | #ifndef __LINUX_SPI_ORION_SPI_H | ||
10 | #define __LINUX_SPI_ORION_SPI_H | ||
11 | |||
12 | struct orion_spi_info { | ||
13 | u32 tclk; /* no <linux/clk.h> support yet */ | ||
14 | }; | ||
15 | |||
16 | |||
17 | #endif | ||
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c index 3cb9aa4299d3..fa4556750451 100644 --- a/sound/soc/kirkwood/kirkwood-i2s.c +++ b/sound/soc/kirkwood/kirkwood-i2s.c | |||
@@ -17,6 +17,7 @@ | |||
17 | #include <linux/slab.h> | 17 | #include <linux/slab.h> |
18 | #include <linux/mbus.h> | 18 | #include <linux/mbus.h> |
19 | #include <linux/delay.h> | 19 | #include <linux/delay.h> |
20 | #include <linux/clk.h> | ||
20 | #include <sound/pcm.h> | 21 | #include <sound/pcm.h> |
21 | #include <sound/pcm_params.h> | 22 | #include <sound/pcm_params.h> |
22 | #include <sound/soc.h> | 23 | #include <sound/soc.h> |
@@ -449,6 +450,14 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev) | |||
449 | 450 | ||
450 | priv->burst = data->burst; | 451 | priv->burst = data->burst; |
451 | 452 | ||
453 | priv->clk = clk_get(&pdev->dev, NULL); | ||
454 | if (IS_ERR(priv->clk)) { | ||
455 | dev_err(&pdev->dev, "no clock\n"); | ||
456 | err = PTR_ERR(priv->clk); | ||
457 | goto err_ioremap; | ||
458 | } | ||
459 | clk_prepare_enable(priv->clk); | ||
460 | |||
452 | return snd_soc_register_dai(&pdev->dev, &kirkwood_i2s_dai); | 461 | return snd_soc_register_dai(&pdev->dev, &kirkwood_i2s_dai); |
453 | 462 | ||
454 | err_ioremap: | 463 | err_ioremap: |
@@ -466,6 +475,10 @@ static __devexit int kirkwood_i2s_dev_remove(struct platform_device *pdev) | |||
466 | struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev); | 475 | struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev); |
467 | 476 | ||
468 | snd_soc_unregister_dai(&pdev->dev); | 477 | snd_soc_unregister_dai(&pdev->dev); |
478 | |||
479 | clk_disable_unprepare(priv->clk); | ||
480 | clk_put(priv->clk); | ||
481 | |||
469 | iounmap(priv->io); | 482 | iounmap(priv->io); |
470 | release_mem_region(priv->mem->start, SZ_16K); | 483 | release_mem_region(priv->mem->start, SZ_16K); |
471 | kfree(priv); | 484 | kfree(priv); |
diff --git a/sound/soc/kirkwood/kirkwood.h b/sound/soc/kirkwood/kirkwood.h index 9047436b3937..f9084d83e6bd 100644 --- a/sound/soc/kirkwood/kirkwood.h +++ b/sound/soc/kirkwood/kirkwood.h | |||
@@ -123,6 +123,7 @@ struct kirkwood_dma_data { | |||
123 | void __iomem *io; | 123 | void __iomem *io; |
124 | int irq; | 124 | int irq; |
125 | int burst; | 125 | int burst; |
126 | struct clk *clk; | ||
126 | }; | 127 | }; |
127 | 128 | ||
128 | #endif | 129 | #endif |