diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-10 14:12:55 -0500 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-10 14:13:53 -0500 |
commit | 7483948fdd31a8642ef0288aab6f368b98d53c29 (patch) | |
tree | 031020a5553701d2aae8dddb0fa509aa65854eb1 /arch/arm/mach-imx/imx53-dt.c | |
parent | 22a416c4e0f2179b57028e084ac0ed2c110333bd (diff) | |
parent | fe250923bbbbcbccc9aa7b84d05ee7a060450534 (diff) |
Merge tag 'usb-3.3-rc3' into usb-next
This is done to resolve a merge conflict with:
drivers/usb/class/cdc-wdm.c
and to better handle future patches for this driver as it is under
active development at the moment.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-imx/imx53-dt.c')
-rw-r--r-- | arch/arm/mach-imx/imx53-dt.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx53-dt.c b/arch/arm/mach-imx/imx53-dt.c new file mode 100644 index 000000000000..05ebb3e68679 --- /dev/null +++ b/arch/arm/mach-imx/imx53-dt.c | |||
@@ -0,0 +1,129 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. | ||
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/io.h> | ||
14 | #include <linux/irq.h> | ||
15 | #include <linux/irqdomain.h> | ||
16 | #include <linux/of_irq.h> | ||
17 | #include <linux/of_platform.h> | ||
18 | #include <asm/mach/arch.h> | ||
19 | #include <asm/mach/time.h> | ||
20 | #include <mach/common.h> | ||
21 | #include <mach/mx53.h> | ||
22 | |||
23 | /* | ||
24 | * Lookup table for attaching a specific name and platform_data pointer to | ||
25 | * devices as they get created by of_platform_populate(). Ideally this table | ||
26 | * would not exist, but the current clock implementation depends on some devices | ||
27 | * having a specific name. | ||
28 | */ | ||
29 | static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = { | ||
30 | OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART1_BASE_ADDR, "imx21-uart.0", NULL), | ||
31 | OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART2_BASE_ADDR, "imx21-uart.1", NULL), | ||
32 | OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART3_BASE_ADDR, "imx21-uart.2", NULL), | ||
33 | OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART4_BASE_ADDR, "imx21-uart.3", NULL), | ||
34 | OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART5_BASE_ADDR, "imx21-uart.4", NULL), | ||
35 | OF_DEV_AUXDATA("fsl,imx53-fec", MX53_FEC_BASE_ADDR, "imx25-fec.0", NULL), | ||
36 | OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx53.0", NULL), | ||
37 | OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx53.1", NULL), | ||
38 | OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx53.2", NULL), | ||
39 | OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx53.3", NULL), | ||
40 | OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL), | ||
41 | OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL), | ||
42 | OF_DEV_AUXDATA("fsl,imx53-cspi", MX53_CSPI_BASE_ADDR, "imx35-cspi.0", NULL), | ||
43 | OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C1_BASE_ADDR, "imx-i2c.0", NULL), | ||
44 | OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C2_BASE_ADDR, "imx-i2c.1", NULL), | ||
45 | OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C3_BASE_ADDR, "imx-i2c.2", NULL), | ||
46 | OF_DEV_AUXDATA("fsl,imx53-sdma", MX53_SDMA_BASE_ADDR, "imx35-sdma", NULL), | ||
47 | OF_DEV_AUXDATA("fsl,imx53-wdt", MX53_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL), | ||
48 | { /* sentinel */ } | ||
49 | }; | ||
50 | |||
51 | static int __init imx53_tzic_add_irq_domain(struct device_node *np, | ||
52 | struct device_node *interrupt_parent) | ||
53 | { | ||
54 | irq_domain_add_simple(np, 0); | ||
55 | return 0; | ||
56 | } | ||
57 | |||
58 | static int __init imx53_gpio_add_irq_domain(struct device_node *np, | ||
59 | struct device_node *interrupt_parent) | ||
60 | { | ||
61 | static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; | ||
62 | |||
63 | gpio_irq_base -= 32; | ||
64 | irq_domain_add_simple(np, gpio_irq_base); | ||
65 | |||
66 | return 0; | ||
67 | } | ||
68 | |||
69 | static const struct of_device_id imx53_irq_match[] __initconst = { | ||
70 | { .compatible = "fsl,imx53-tzic", .data = imx53_tzic_add_irq_domain, }, | ||
71 | { .compatible = "fsl,imx53-gpio", .data = imx53_gpio_add_irq_domain, }, | ||
72 | { /* sentinel */ } | ||
73 | }; | ||
74 | |||
75 | static const struct of_device_id imx53_iomuxc_of_match[] __initconst = { | ||
76 | { .compatible = "fsl,imx53-iomuxc-ard", .data = imx53_ard_common_init, }, | ||
77 | { .compatible = "fsl,imx53-iomuxc-evk", .data = imx53_evk_common_init, }, | ||
78 | { .compatible = "fsl,imx53-iomuxc-qsb", .data = imx53_qsb_common_init, }, | ||
79 | { .compatible = "fsl,imx53-iomuxc-smd", .data = imx53_smd_common_init, }, | ||
80 | { /* sentinel */ } | ||
81 | }; | ||
82 | |||
83 | static void __init imx53_dt_init(void) | ||
84 | { | ||
85 | struct device_node *node; | ||
86 | const struct of_device_id *of_id; | ||
87 | void (*func)(void); | ||
88 | |||
89 | of_irq_init(imx53_irq_match); | ||
90 | |||
91 | node = of_find_matching_node(NULL, imx53_iomuxc_of_match); | ||
92 | if (node) { | ||
93 | of_id = of_match_node(imx53_iomuxc_of_match, node); | ||
94 | func = of_id->data; | ||
95 | func(); | ||
96 | of_node_put(node); | ||
97 | } | ||
98 | |||
99 | of_platform_populate(NULL, of_default_bus_match_table, | ||
100 | imx53_auxdata_lookup, NULL); | ||
101 | } | ||
102 | |||
103 | static void __init imx53_timer_init(void) | ||
104 | { | ||
105 | mx53_clocks_init_dt(); | ||
106 | } | ||
107 | |||
108 | static struct sys_timer imx53_timer = { | ||
109 | .init = imx53_timer_init, | ||
110 | }; | ||
111 | |||
112 | static const char *imx53_dt_board_compat[] __initdata = { | ||
113 | "fsl,imx53-ard", | ||
114 | "fsl,imx53-evk", | ||
115 | "fsl,imx53-qsb", | ||
116 | "fsl,imx53-smd", | ||
117 | NULL | ||
118 | }; | ||
119 | |||
120 | DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)") | ||
121 | .map_io = mx53_map_io, | ||
122 | .init_early = imx53_init_early, | ||
123 | .init_irq = mx53_init_irq, | ||
124 | .handle_irq = imx53_handle_irq, | ||
125 | .timer = &imx53_timer, | ||
126 | .init_machine = imx53_dt_init, | ||
127 | .dt_compat = imx53_dt_board_compat, | ||
128 | .restart = mxc_restart, | ||
129 | MACHINE_END | ||