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-rw-r--r--drivers/clk/samsung/clk-exynos5440.c81
1 files changed, 34 insertions, 47 deletions
diff --git a/drivers/clk/samsung/clk-exynos5440.c b/drivers/clk/samsung/clk-exynos5440.c
index f8658945bfd2..cbc15b56891d 100644
--- a/drivers/clk/samsung/clk-exynos5440.c
+++ b/drivers/clk/samsung/clk-exynos5440.c
@@ -9,6 +9,7 @@
9 * Common Clock Framework support for Exynos5440 SoC. 9 * Common Clock Framework support for Exynos5440 SoC.
10*/ 10*/
11 11
12#include <dt-bindings/clock/exynos5440.h>
12#include <linux/clk.h> 13#include <linux/clk.h>
13#include <linux/clkdev.h> 14#include <linux/clkdev.h>
14#include <linux/clk-provider.h> 15#include <linux/clk-provider.h>
@@ -22,79 +23,65 @@
22#define CPU_CLK_STATUS 0xfc 23#define CPU_CLK_STATUS 0xfc
23#define MISC_DOUT1 0x558 24#define MISC_DOUT1 0x558
24 25
25/*
26 * Let each supported clock get a unique id. This id is used to lookup the clock
27 * for device tree based platforms.
28 */
29enum exynos5440_clks {
30 none, xtal, arm_clk,
31
32 spi_baud = 16, pb0_250, pr0_250, pr1_250, b_250, b_125, b_200, sata,
33 usb, gmac0, cs250, pb0_250_o, pr0_250_o, pr1_250_o, b_250_o, b_125_o,
34 b_200_o, sata_o, usb_o, gmac0_o, cs250_o,
35
36 nr_clks,
37};
38
39/* parent clock name list */ 26/* parent clock name list */
40PNAME(mout_armclk_p) = { "cplla", "cpllb" }; 27PNAME(mout_armclk_p) = { "cplla", "cpllb" };
41PNAME(mout_spi_p) = { "div125", "div200" }; 28PNAME(mout_spi_p) = { "div125", "div200" };
42 29
43/* fixed rate clocks generated outside the soc */ 30/* fixed rate clocks generated outside the soc */
44static struct samsung_fixed_rate_clock exynos5440_fixed_rate_ext_clks[] __initdata = { 31static struct samsung_fixed_rate_clock exynos5440_fixed_rate_ext_clks[] __initdata = {
45 FRATE(none, "xtal", NULL, CLK_IS_ROOT, 0), 32 FRATE(0, "xtal", NULL, CLK_IS_ROOT, 0),
46}; 33};
47 34
48/* fixed rate clocks */ 35/* fixed rate clocks */
49static struct samsung_fixed_rate_clock exynos5440_fixed_rate_clks[] __initdata = { 36static struct samsung_fixed_rate_clock exynos5440_fixed_rate_clks[] __initdata = {
50 FRATE(none, "ppll", NULL, CLK_IS_ROOT, 1000000000), 37 FRATE(0, "ppll", NULL, CLK_IS_ROOT, 1000000000),
51 FRATE(none, "usb_phy0", NULL, CLK_IS_ROOT, 60000000), 38 FRATE(0, "usb_phy0", NULL, CLK_IS_ROOT, 60000000),
52 FRATE(none, "usb_phy1", NULL, CLK_IS_ROOT, 60000000), 39 FRATE(0, "usb_phy1", NULL, CLK_IS_ROOT, 60000000),
53 FRATE(none, "usb_ohci12", NULL, CLK_IS_ROOT, 12000000), 40 FRATE(0, "usb_ohci12", NULL, CLK_IS_ROOT, 12000000),
54 FRATE(none, "usb_ohci48", NULL, CLK_IS_ROOT, 48000000), 41 FRATE(0, "usb_ohci48", NULL, CLK_IS_ROOT, 48000000),
55}; 42};
56 43
57/* fixed factor clocks */ 44/* fixed factor clocks */
58static struct samsung_fixed_factor_clock exynos5440_fixed_factor_clks[] __initdata = { 45static struct samsung_fixed_factor_clock exynos5440_fixed_factor_clks[] __initdata = {
59 FFACTOR(none, "div250", "ppll", 1, 4, 0), 46 FFACTOR(0, "div250", "ppll", 1, 4, 0),
60 FFACTOR(none, "div200", "ppll", 1, 5, 0), 47 FFACTOR(0, "div200", "ppll", 1, 5, 0),
61 FFACTOR(none, "div125", "div250", 1, 2, 0), 48 FFACTOR(0, "div125", "div250", 1, 2, 0),
62}; 49};
63 50
64/* mux clocks */ 51/* mux clocks */
65static struct samsung_mux_clock exynos5440_mux_clks[] __initdata = { 52static struct samsung_mux_clock exynos5440_mux_clks[] __initdata = {
66 MUX(none, "mout_spi", mout_spi_p, MISC_DOUT1, 5, 1), 53 MUX(0, "mout_spi", mout_spi_p, MISC_DOUT1, 5, 1),
67 MUX_A(arm_clk, "arm_clk", mout_armclk_p, 54 MUX_A(CLK_ARM_CLK, "arm_clk", mout_armclk_p,
68 CPU_CLK_STATUS, 0, 1, "armclk"), 55 CPU_CLK_STATUS, 0, 1, "armclk"),
69}; 56};
70 57
71/* divider clocks */ 58/* divider clocks */
72static struct samsung_div_clock exynos5440_div_clks[] __initdata = { 59static struct samsung_div_clock exynos5440_div_clks[] __initdata = {
73 DIV(spi_baud, "div_spi", "mout_spi", MISC_DOUT1, 3, 2), 60 DIV(CLK_SPI_BAUD, "div_spi", "mout_spi", MISC_DOUT1, 3, 2),
74}; 61};
75 62
76/* gate clocks */ 63/* gate clocks */
77static struct samsung_gate_clock exynos5440_gate_clks[] __initdata = { 64static struct samsung_gate_clock exynos5440_gate_clks[] __initdata = {
78 GATE(pb0_250, "pb0_250", "div250", CLKEN_OV_VAL, 3, 0, 0), 65 GATE(CLK_PB0_250, "pb0_250", "div250", CLKEN_OV_VAL, 3, 0, 0),
79 GATE(pr0_250, "pr0_250", "div250", CLKEN_OV_VAL, 4, 0, 0), 66 GATE(CLK_PR0_250, "pr0_250", "div250", CLKEN_OV_VAL, 4, 0, 0),
80 GATE(pr1_250, "pr1_250", "div250", CLKEN_OV_VAL, 5, 0, 0), 67 GATE(CLK_PR1_250, "pr1_250", "div250", CLKEN_OV_VAL, 5, 0, 0),
81 GATE(b_250, "b_250", "div250", CLKEN_OV_VAL, 9, 0, 0), 68 GATE(CLK_B_250, "b_250", "div250", CLKEN_OV_VAL, 9, 0, 0),
82 GATE(b_125, "b_125", "div125", CLKEN_OV_VAL, 10, 0, 0), 69 GATE(CLK_B_125, "b_125", "div125", CLKEN_OV_VAL, 10, 0, 0),
83 GATE(b_200, "b_200", "div200", CLKEN_OV_VAL, 11, 0, 0), 70 GATE(CLK_B_200, "b_200", "div200", CLKEN_OV_VAL, 11, 0, 0),
84 GATE(sata, "sata", "div200", CLKEN_OV_VAL, 12, 0, 0), 71 GATE(CLK_SATA, "sata", "div200", CLKEN_OV_VAL, 12, 0, 0),
85 GATE(usb, "usb", "div200", CLKEN_OV_VAL, 13, 0, 0), 72 GATE(CLK_USB, "usb", "div200", CLKEN_OV_VAL, 13, 0, 0),
86 GATE(gmac0, "gmac0", "div200", CLKEN_OV_VAL, 14, 0, 0), 73 GATE(CLK_GMAC0, "gmac0", "div200", CLKEN_OV_VAL, 14, 0, 0),
87 GATE(cs250, "cs250", "div250", CLKEN_OV_VAL, 19, 0, 0), 74 GATE(CLK_CS250, "cs250", "div250", CLKEN_OV_VAL, 19, 0, 0),
88 GATE(pb0_250_o, "pb0_250_o", "pb0_250", CLKEN_OV_VAL, 3, 0, 0), 75 GATE(CLK_PB0_250_O, "pb0_250_o", "pb0_250", CLKEN_OV_VAL, 3, 0, 0),
89 GATE(pr0_250_o, "pr0_250_o", "pr0_250", CLKEN_OV_VAL, 4, 0, 0), 76 GATE(CLK_PR0_250_O, "pr0_250_o", "pr0_250", CLKEN_OV_VAL, 4, 0, 0),
90 GATE(pr1_250_o, "pr1_250_o", "pr1_250", CLKEN_OV_VAL, 5, 0, 0), 77 GATE(CLK_PR1_250_O, "pr1_250_o", "pr1_250", CLKEN_OV_VAL, 5, 0, 0),
91 GATE(b_250_o, "b_250_o", "b_250", CLKEN_OV_VAL, 9, 0, 0), 78 GATE(CLK_B_250_O, "b_250_o", "b_250", CLKEN_OV_VAL, 9, 0, 0),
92 GATE(b_125_o, "b_125_o", "b_125", CLKEN_OV_VAL, 10, 0, 0), 79 GATE(CLK_B_125_O, "b_125_o", "b_125", CLKEN_OV_VAL, 10, 0, 0),
93 GATE(b_200_o, "b_200_o", "b_200", CLKEN_OV_VAL, 11, 0, 0), 80 GATE(CLK_B_200_O, "b_200_o", "b_200", CLKEN_OV_VAL, 11, 0, 0),
94 GATE(sata_o, "sata_o", "sata", CLKEN_OV_VAL, 12, 0, 0), 81 GATE(CLK_SATA_O, "sata_o", "sata", CLKEN_OV_VAL, 12, 0, 0),
95 GATE(usb_o, "usb_o", "usb", CLKEN_OV_VAL, 13, 0, 0), 82 GATE(CLK_USB_O, "usb_o", "usb", CLKEN_OV_VAL, 13, 0, 0),
96 GATE(gmac0_o, "gmac0_o", "gmac", CLKEN_OV_VAL, 14, 0, 0), 83 GATE(CLK_GMAC0_O, "gmac0_o", "gmac", CLKEN_OV_VAL, 14, 0, 0),
97 GATE(cs250_o, "cs250_o", "cs250", CLKEN_OV_VAL, 19, 0, 0), 84 GATE(CLK_CS250_O, "cs250_o", "cs250", CLKEN_OV_VAL, 19, 0, 0),
98}; 85};
99 86
100static struct of_device_id ext_clk_match[] __initdata = { 87static struct of_device_id ext_clk_match[] __initdata = {
@@ -114,7 +101,7 @@ static void __init exynos5440_clk_init(struct device_node *np)
114 return; 101 return;
115 } 102 }
116 103
117 samsung_clk_init(np, reg_base, nr_clks, NULL, 0, NULL, 0); 104 samsung_clk_init(np, reg_base, CLK_NR_CLKS, NULL, 0, NULL, 0);
118 samsung_clk_of_register_fixed_ext(exynos5440_fixed_rate_ext_clks, 105 samsung_clk_of_register_fixed_ext(exynos5440_fixed_rate_ext_clks,
119 ARRAY_SIZE(exynos5440_fixed_rate_ext_clks), ext_clk_match); 106 ARRAY_SIZE(exynos5440_fixed_rate_ext_clks), ext_clk_match);
120 107
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-26 11:59:06 -0500