aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/davinci/Makefile1
-rw-r--r--drivers/clk/davinci/psc-da850.c149
-rw-r--r--drivers/clk/davinci/psc.c4
-rw-r--r--drivers/clk/davinci/psc.h4
4 files changed, 158 insertions, 0 deletions
diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile
index fb14c8c9216d..aef0390f710e 100644
--- a/drivers/clk/davinci/Makefile
+++ b/drivers/clk/davinci/Makefile
@@ -11,4 +11,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DM646x) += pll-dm646x.o
11 11
12obj-y += psc.o 12obj-y += psc.o
13obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o 13obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o
14obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o
14endif 15endif
diff --git a/drivers/clk/davinci/psc-da850.c b/drivers/clk/davinci/psc-da850.c
new file mode 100644
index 000000000000..ccc7eb17bf3a
--- /dev/null
+++ b/drivers/clk/davinci/psc-da850.c
@@ -0,0 +1,149 @@
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * PSC clock descriptions for TI DA850/OMAP-L138/AM18XX
4 *
5 * Copyright (C) 2018 David Lechner <david@lechnology.com>
6 */
7
8#include <linux/clk-provider.h>
9#include <linux/clk.h>
10#include <linux/clkdev.h>
11#include <linux/init.h>
12#include <linux/kernel.h>
13#include <linux/of.h>
14#include <linux/types.h>
15
16#include "psc.h"
17
18LPSC_CLKDEV2(emifa_clkdev, NULL, "ti-aemif",
19 "aemif", "davinci_nand.0");
20LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0");
21LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0");
22LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0");
23/* REVISIT: used dev_id instead of con_id */
24LPSC_CLKDEV1(arm_clkdev, "arm", NULL);
25LPSC_CLKDEV1(dsp_clkdev, NULL, "davinci-rproc.0");
26
27static const struct davinci_lpsc_clk_info da850_psc0_info[] = {
28 LPSC(0, 0, tpcc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
29 LPSC(1, 0, tptc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
30 LPSC(2, 0, tptc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
31 LPSC(3, 0, emifa, async1, emifa_clkdev, 0),
32 LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0),
33 LPSC(5, 0, mmcsd0, pll0_sysclk2, mmcsd0_clkdev, 0),
34 LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED),
35 LPSC(7, 0, arm_rom, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
36 LPSC(9, 0, uart0, pll0_sysclk2, uart0_clkdev, 0),
37 LPSC(13, 0, pruss, pll0_sysclk2, NULL, 0),
38 LPSC(14, 0, arm, pll0_sysclk6, arm_clkdev, LPSC_ALWAYS_ENABLED | LPSC_SET_RATE_PARENT),
39 LPSC(15, 1, dsp, pll0_sysclk1, dsp_clkdev, LPSC_FORCE | LPSC_LOCAL_RESET),
40 { }
41};
42
43LPSC_CLKDEV3(usb0_clkdev, "fck", "da830-usb-phy-clks",
44 NULL, "musb-da8xx",
45 NULL, "cppi41-dmaengine");
46LPSC_CLKDEV1(usb1_clkdev, NULL, "ohci-da8xx");
47/* REVISIT: gpio-davinci.c should be modified to drop con_id */
48LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL);
49LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1",
50 "fck", "davinci_mdio.0");
51LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0");
52LPSC_CLKDEV1(sata_clkdev, "fck", "ahci_da850");
53LPSC_CLKDEV1(vpif_clkdev, NULL, "vpif");
54LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1");
55LPSC_CLKDEV1(i2c1_clkdev, NULL, "i2c_davinci.2");
56LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1");
57LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2");
58LPSC_CLKDEV1(mcbsp0_clkdev, NULL, "davinci-mcbsp.0");
59LPSC_CLKDEV1(mcbsp1_clkdev, NULL, "davinci-mcbsp.1");
60LPSC_CLKDEV1(lcdc_clkdev, "fck", "da8xx_lcdc.0");
61LPSC_CLKDEV3(ehrpwm_clkdev, "fck", "ehrpwm.0",
62 "fck", "ehrpwm.1",
63 NULL, "da830-tbclksync");
64LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1");
65LPSC_CLKDEV3(ecap_clkdev, "fck", "ecap.0",
66 "fck", "ecap.1",
67 "fck", "ecap.2");
68
69static int da850_psc0_init(struct device *dev, void __iomem *base)
70{
71 return davinci_psc_register_clocks(dev, da850_psc0_info, 16, base);
72}
73
74static int of_da850_psc0_init(struct device *dev, void __iomem *base)
75{
76 return of_davinci_psc_clk_init(dev, da850_psc0_info, 16, base);
77}
78
79static struct clk_bulk_data da850_psc0_parent_clks[] = {
80 { .id = "pll0_sysclk1" },
81 { .id = "pll0_sysclk2" },
82 { .id = "pll0_sysclk4" },
83 { .id = "pll0_sysclk6" },
84 { .id = "async1" },
85};
86
87const struct davinci_psc_init_data da850_psc0_init_data = {
88 .parent_clks = da850_psc0_parent_clks,
89 .num_parent_clks = ARRAY_SIZE(da850_psc0_parent_clks),
90 .psc_init = &da850_psc0_init,
91};
92
93const struct davinci_psc_init_data of_da850_psc0_init_data = {
94 .parent_clks = da850_psc0_parent_clks,
95 .num_parent_clks = ARRAY_SIZE(da850_psc0_parent_clks),
96 .psc_init = &of_da850_psc0_init,
97};
98
99static const struct davinci_lpsc_clk_info da850_psc1_info[] = {
100 LPSC(0, 0, tpcc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
101 LPSC(1, 0, usb0, pll0_sysclk2, usb0_clkdev, 0),
102 LPSC(2, 0, usb1, pll0_sysclk4, usb1_clkdev, 0),
103 LPSC(3, 0, gpio, pll0_sysclk4, gpio_clkdev, 0),
104 LPSC(5, 0, emac, pll0_sysclk4, emac_clkdev, 0),
105 LPSC(6, 0, ddr, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
106 LPSC(7, 0, mcasp0, async3, mcasp0_clkdev, 0),
107 LPSC(8, 0, sata, pll0_sysclk2, sata_clkdev, LPSC_FORCE),
108 LPSC(9, 0, vpif, pll0_sysclk2, vpif_clkdev, 0),
109 LPSC(10, 0, spi1, async3, spi1_clkdev, 0),
110 LPSC(11, 0, i2c1, pll0_sysclk4, i2c1_clkdev, 0),
111 LPSC(12, 0, uart1, async3, uart1_clkdev, 0),
112 LPSC(13, 0, uart2, async3, uart2_clkdev, 0),
113 LPSC(14, 0, mcbsp0, async3, mcbsp0_clkdev, 0),
114 LPSC(15, 0, mcbsp1, async3, mcbsp1_clkdev, 0),
115 LPSC(16, 0, lcdc, pll0_sysclk2, lcdc_clkdev, 0),
116 LPSC(17, 0, ehrpwm, async3, ehrpwm_clkdev, 0),
117 LPSC(18, 0, mmcsd1, pll0_sysclk2, mmcsd1_clkdev, 0),
118 LPSC(20, 0, ecap, async3, ecap_clkdev, 0),
119 LPSC(21, 0, tptc2, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
120 { }
121};
122
123static int da850_psc1_init(struct device *dev, void __iomem *base)
124{
125 return davinci_psc_register_clocks(dev, da850_psc1_info, 32, base);
126}
127
128static int of_da850_psc1_init(struct device *dev, void __iomem *base)
129{
130 return of_davinci_psc_clk_init(dev, da850_psc1_info, 32, base);
131}
132
133static struct clk_bulk_data da850_psc1_parent_clks[] = {
134 { .id = "pll0_sysclk2" },
135 { .id = "pll0_sysclk4" },
136 { .id = "async3" },
137};
138
139const struct davinci_psc_init_data da850_psc1_init_data = {
140 .parent_clks = da850_psc1_parent_clks,
141 .num_parent_clks = ARRAY_SIZE(da850_psc1_parent_clks),
142 .psc_init = &da850_psc1_init,
143};
144
145const struct davinci_psc_init_data of_da850_psc1_init_data = {
146 .parent_clks = da850_psc1_parent_clks,
147 .num_parent_clks = ARRAY_SIZE(da850_psc1_parent_clks),
148 .psc_init = &of_da850_psc1_init,
149};
diff --git a/drivers/clk/davinci/psc.c b/drivers/clk/davinci/psc.c
index d4cff877aa8a..fa3953685384 100644
--- a/drivers/clk/davinci/psc.c
+++ b/drivers/clk/davinci/psc.c
@@ -482,12 +482,16 @@ int of_davinci_psc_clk_init(struct device *dev,
482} 482}
483 483
484static const struct of_device_id davinci_psc_of_match[] = { 484static const struct of_device_id davinci_psc_of_match[] = {
485 { .compatible = "ti,da850-psc0", .data = &of_da850_psc0_init_data },
486 { .compatible = "ti,da850-psc1", .data = &of_da850_psc1_init_data },
485 { } 487 { }
486}; 488};
487 489
488static const struct platform_device_id davinci_psc_id_table[] = { 490static const struct platform_device_id davinci_psc_id_table[] = {
489 { .name = "da830-psc0", .driver_data = (kernel_ulong_t)&da830_psc0_init_data }, 491 { .name = "da830-psc0", .driver_data = (kernel_ulong_t)&da830_psc0_init_data },
490 { .name = "da830-psc1", .driver_data = (kernel_ulong_t)&da830_psc1_init_data }, 492 { .name = "da830-psc1", .driver_data = (kernel_ulong_t)&da830_psc1_init_data },
493 { .name = "da850-psc0", .driver_data = (kernel_ulong_t)&da850_psc0_init_data },
494 { .name = "da850-psc1", .driver_data = (kernel_ulong_t)&da850_psc1_init_data },
491 { } 495 { }
492}; 496};
493 497
diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h
index 852e9aaa62f6..476bd74c7f50 100644
--- a/drivers/clk/davinci/psc.h
+++ b/drivers/clk/davinci/psc.h
@@ -96,5 +96,9 @@ struct davinci_psc_init_data {
96 96
97extern const struct davinci_psc_init_data da830_psc0_init_data; 97extern const struct davinci_psc_init_data da830_psc0_init_data;
98extern const struct davinci_psc_init_data da830_psc1_init_data; 98extern const struct davinci_psc_init_data da830_psc1_init_data;
99extern const struct davinci_psc_init_data da850_psc0_init_data;
100extern const struct davinci_psc_init_data da850_psc1_init_data;
101extern const struct davinci_psc_init_data of_da850_psc0_init_data;
102extern const struct davinci_psc_init_data of_da850_psc1_init_data;
99 103
100#endif /* __CLK_DAVINCI_PSC_H__ */ 104#endif /* __CLK_DAVINCI_PSC_H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-24 17:46:58 -0400