aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChanwoo Choi <cw00.choi@samsung.com>2014-12-23 02:40:23 -0500
committerSylwester Nawrocki <s.nawrocki@samsung.com>2014-12-23 08:26:27 -0500
commit01e5200d169a442651f823e4941ca61d78ec2b8d (patch)
tree3981911d641c5db3b2c79229a6f5efb8a2eee18f
parentc913e1b32b0a237fbf21b12fa7c2912f274e3495 (diff)
clk: samsung: exynos4415: Use samsung_cmu_register_one() to simplify code
This patch uses the samsung_cmu_register_one() to simplify code for Exynos4415. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
-rw-r--r--drivers/clk/samsung/clk-exynos4415.c216
1 files changed, 48 insertions, 168 deletions
diff --git a/drivers/clk/samsung/clk-exynos4415.c b/drivers/clk/samsung/clk-exynos4415.c
index 2123fc251e0f..6c78b09c829f 100644
--- a/drivers/clk/samsung/clk-exynos4415.c
+++ b/drivers/clk/samsung/clk-exynos4415.c
@@ -113,19 +113,6 @@
113#define DIV_CPU0 0x14500 113#define DIV_CPU0 0x14500
114#define DIV_CPU1 0x14504 114#define DIV_CPU1 0x14504
115 115
116enum exynos4415_plls {
117 apll, epll, g3d_pll, isp_pll, disp_pll,
118 nr_plls,
119};
120
121static struct samsung_clk_provider *exynos4415_ctx;
122
123/*
124 * Support for CMU save/restore across system suspends
125 */
126#ifdef CONFIG_PM_SLEEP
127static struct samsung_clk_reg_dump *exynos4415_clk_regs;
128
129static unsigned long exynos4415_cmu_clk_regs[] __initdata = { 116static unsigned long exynos4415_cmu_clk_regs[] __initdata = {
130 SRC_LEFTBUS, 117 SRC_LEFTBUS,
131 DIV_LEFTBUS, 118 DIV_LEFTBUS,
@@ -219,41 +206,6 @@ static unsigned long exynos4415_cmu_clk_regs[] __initdata = {
219 DIV_CPU1, 206 DIV_CPU1,
220}; 207};
221 208
222static int exynos4415_clk_suspend(void)
223{
224 samsung_clk_save(exynos4415_ctx->reg_base, exynos4415_clk_regs,
225 ARRAY_SIZE(exynos4415_cmu_clk_regs));
226
227 return 0;
228}
229
230static void exynos4415_clk_resume(void)
231{
232 samsung_clk_restore(exynos4415_ctx->reg_base, exynos4415_clk_regs,
233 ARRAY_SIZE(exynos4415_cmu_clk_regs));
234}
235
236static struct syscore_ops exynos4415_clk_syscore_ops = {
237 .suspend = exynos4415_clk_suspend,
238 .resume = exynos4415_clk_resume,
239};
240
241static void exynos4415_clk_sleep_init(void)
242{
243 exynos4415_clk_regs =
244 samsung_clk_alloc_reg_dump(exynos4415_cmu_clk_regs,
245 ARRAY_SIZE(exynos4415_cmu_clk_regs));
246 if (!exynos4415_clk_regs) {
247 pr_warn("%s: Failed to allocate sleep save data\n", __func__);
248 return;
249 }
250
251 register_syscore_ops(&exynos4415_clk_syscore_ops);
252}
253#else
254static inline void exynos4415_clk_sleep_init(void) { }
255#endif
256
257/* list of all parent clock list */ 209/* list of all parent clock list */
258PNAME(mout_g3d_pllsrc_p) = { "fin_pll", }; 210PNAME(mout_g3d_pllsrc_p) = { "fin_pll", };
259 211
@@ -959,56 +911,40 @@ static struct samsung_pll_rate_table exynos4415_epll_rates[] = {
959 { /* sentinel */ } 911 { /* sentinel */ }
960}; 912};
961 913
962static struct samsung_pll_clock exynos4415_plls[nr_plls] __initdata = { 914static struct samsung_pll_clock exynos4415_plls[] __initdata = {
963 [apll] = PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll", 915 PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll",
964 APLL_LOCK, APLL_CON0, NULL), 916 APLL_LOCK, APLL_CON0, exynos4415_pll_rates),
965 [epll] = PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll", 917 PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll",
966 EPLL_LOCK, EPLL_CON0, NULL), 918 EPLL_LOCK, EPLL_CON0, exynos4415_epll_rates),
967 [g3d_pll] = PLL(pll_35xx, CLK_FOUT_G3D_PLL, "fout_g3d_pll", 919 PLL(pll_35xx, CLK_FOUT_G3D_PLL, "fout_g3d_pll", "mout_g3d_pllsrc",
968 "mout_g3d_pllsrc", G3D_PLL_LOCK, G3D_PLL_CON0, NULL), 920 G3D_PLL_LOCK, G3D_PLL_CON0, exynos4415_pll_rates),
969 [isp_pll] = PLL(pll_35xx, CLK_FOUT_ISP_PLL, "fout_isp_pll", "fin_pll", 921 PLL(pll_35xx, CLK_FOUT_ISP_PLL, "fout_isp_pll", "fin_pll",
970 ISP_PLL_LOCK, ISP_PLL_CON0, NULL), 922 ISP_PLL_LOCK, ISP_PLL_CON0, exynos4415_pll_rates),
971 [disp_pll] = PLL(pll_35xx, CLK_FOUT_DISP_PLL, "fout_disp_pll", 923 PLL(pll_35xx, CLK_FOUT_DISP_PLL, "fout_disp_pll",
972 "fin_pll", DISP_PLL_LOCK, DISP_PLL_CON0, NULL), 924 "fin_pll", DISP_PLL_LOCK, DISP_PLL_CON0, exynos4415_pll_rates),
925};
926
927static struct samsung_cmu_info cmu_info __initdata = {
928 .pll_clks = exynos4415_plls,
929 .nr_pll_clks = ARRAY_SIZE(exynos4415_plls),
930 .mux_clks = exynos4415_mux_clks,
931 .nr_mux_clks = ARRAY_SIZE(exynos4415_mux_clks),
932 .div_clks = exynos4415_div_clks,
933 .nr_div_clks = ARRAY_SIZE(exynos4415_div_clks),
934 .gate_clks = exynos4415_gate_clks,
935 .nr_gate_clks = ARRAY_SIZE(exynos4415_gate_clks),
936 .fixed_clks = exynos4415_fixed_rate_clks,
937 .nr_fixed_clks = ARRAY_SIZE(exynos4415_fixed_rate_clks),
938 .fixed_factor_clks = exynos4415_fixed_factor_clks,
939 .nr_fixed_factor_clks = ARRAY_SIZE(exynos4415_fixed_factor_clks),
940 .nr_clk_ids = CLK_NR_CLKS,
941 .clk_regs = exynos4415_cmu_clk_regs,
942 .nr_clk_regs = ARRAY_SIZE(exynos4415_cmu_clk_regs),
973}; 943};
974 944
975static void __init exynos4415_cmu_init(struct device_node *np) 945static void __init exynos4415_cmu_init(struct device_node *np)
976{ 946{
977 void __iomem *reg_base; 947 samsung_cmu_register_one(np, &cmu_info);
978
979 reg_base = of_iomap(np, 0);
980 if (!reg_base)
981 panic("%s: failed to map registers\n", __func__);
982
983 exynos4415_ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
984 if (!exynos4415_ctx)
985 panic("%s: unable to allocate context.\n", __func__);
986
987 exynos4415_plls[apll].rate_table = exynos4415_pll_rates;
988 exynos4415_plls[epll].rate_table = exynos4415_epll_rates;
989 exynos4415_plls[g3d_pll].rate_table = exynos4415_pll_rates;
990 exynos4415_plls[isp_pll].rate_table = exynos4415_pll_rates;
991 exynos4415_plls[disp_pll].rate_table = exynos4415_pll_rates;
992
993 samsung_clk_register_fixed_factor(exynos4415_ctx,
994 exynos4415_fixed_factor_clks,
995 ARRAY_SIZE(exynos4415_fixed_factor_clks));
996 samsung_clk_register_fixed_rate(exynos4415_ctx,
997 exynos4415_fixed_rate_clks,
998 ARRAY_SIZE(exynos4415_fixed_rate_clks));
999
1000 samsung_clk_register_pll(exynos4415_ctx, exynos4415_plls,
1001 ARRAY_SIZE(exynos4415_plls), reg_base);
1002 samsung_clk_register_mux(exynos4415_ctx, exynos4415_mux_clks,
1003 ARRAY_SIZE(exynos4415_mux_clks));
1004 samsung_clk_register_div(exynos4415_ctx, exynos4415_div_clks,
1005 ARRAY_SIZE(exynos4415_div_clks));
1006 samsung_clk_register_gate(exynos4415_ctx, exynos4415_gate_clks,
1007 ARRAY_SIZE(exynos4415_gate_clks));
1008
1009 exynos4415_clk_sleep_init();
1010
1011 samsung_clk_of_add_provider(np, exynos4415_ctx);
1012} 948}
1013CLK_OF_DECLARE(exynos4415_cmu, "samsung,exynos4415-cmu", exynos4415_cmu_init); 949CLK_OF_DECLARE(exynos4415_cmu, "samsung,exynos4415-cmu", exynos4415_cmu_init);
1014 950
@@ -1027,16 +963,6 @@ CLK_OF_DECLARE(exynos4415_cmu, "samsung,exynos4415-cmu", exynos4415_cmu_init);
1027#define SRC_DMC 0x300 963#define SRC_DMC 0x300
1028#define DIV_DMC1 0x504 964#define DIV_DMC1 0x504
1029 965
1030enum exynos4415_dmc_plls {
1031 mpll, bpll,
1032 nr_dmc_plls,
1033};
1034
1035static struct samsung_clk_provider *exynos4415_dmc_ctx;
1036
1037#ifdef CONFIG_PM_SLEEP
1038static struct samsung_clk_reg_dump *exynos4415_dmc_clk_regs;
1039
1040static unsigned long exynos4415_cmu_dmc_clk_regs[] __initdata = { 966static unsigned long exynos4415_cmu_dmc_clk_regs[] __initdata = {
1041 MPLL_LOCK, 967 MPLL_LOCK,
1042 MPLL_CON0, 968 MPLL_CON0,
@@ -1050,42 +976,6 @@ static unsigned long exynos4415_cmu_dmc_clk_regs[] __initdata = {
1050 DIV_DMC1, 976 DIV_DMC1,
1051}; 977};
1052 978
1053static int exynos4415_dmc_clk_suspend(void)
1054{
1055 samsung_clk_save(exynos4415_dmc_ctx->reg_base,
1056 exynos4415_dmc_clk_regs,
1057 ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs));
1058 return 0;
1059}
1060
1061static void exynos4415_dmc_clk_resume(void)
1062{
1063 samsung_clk_restore(exynos4415_dmc_ctx->reg_base,
1064 exynos4415_dmc_clk_regs,
1065 ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs));
1066}
1067
1068static struct syscore_ops exynos4415_dmc_clk_syscore_ops = {
1069 .suspend = exynos4415_dmc_clk_suspend,
1070 .resume = exynos4415_dmc_clk_resume,
1071};
1072
1073static void exynos4415_dmc_clk_sleep_init(void)
1074{
1075 exynos4415_dmc_clk_regs =
1076 samsung_clk_alloc_reg_dump(exynos4415_cmu_dmc_clk_regs,
1077 ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs));
1078 if (!exynos4415_dmc_clk_regs) {
1079 pr_warn("%s: Failed to allocate sleep save data\n", __func__);
1080 return;
1081 }
1082
1083 register_syscore_ops(&exynos4415_dmc_clk_syscore_ops);
1084}
1085#else
1086static inline void exynos4415_dmc_clk_sleep_init(void) { }
1087#endif /* CONFIG_PM_SLEEP */
1088
1089PNAME(mout_mpll_p) = { "fin_pll", "fout_mpll", }; 979PNAME(mout_mpll_p) = { "fin_pll", "fout_mpll", };
1090PNAME(mout_bpll_p) = { "fin_pll", "fout_bpll", }; 980PNAME(mout_bpll_p) = { "fin_pll", "fout_bpll", };
1091PNAME(mbpll_p) = { "mout_mpll", "mout_bpll", }; 981PNAME(mbpll_p) = { "mout_mpll", "mout_bpll", };
@@ -1107,38 +997,28 @@ static struct samsung_div_clock exynos4415_dmc_div_clks[] __initdata = {
1107 DIV(CLK_DMC_DIV_MPLL_PRE, "div_mpll_pre", "mout_mpll", DIV_DMC1, 8, 2), 997 DIV(CLK_DMC_DIV_MPLL_PRE, "div_mpll_pre", "mout_mpll", DIV_DMC1, 8, 2),
1108}; 998};
1109 999
1110static struct samsung_pll_clock exynos4415_dmc_plls[nr_dmc_plls] __initdata = { 1000static struct samsung_pll_clock exynos4415_dmc_plls[] __initdata = {
1111 [mpll] = PLL(pll_35xx, CLK_DMC_FOUT_MPLL, "fout_mpll", "fin_pll", 1001 PLL(pll_35xx, CLK_DMC_FOUT_MPLL, "fout_mpll", "fin_pll",
1112 MPLL_LOCK, MPLL_CON0, NULL), 1002 MPLL_LOCK, MPLL_CON0, exynos4415_pll_rates),
1113 [bpll] = PLL(pll_35xx, CLK_DMC_FOUT_BPLL, "fout_bpll", "fin_pll", 1003 PLL(pll_35xx, CLK_DMC_FOUT_BPLL, "fout_bpll", "fin_pll",
1114 BPLL_LOCK, BPLL_CON0, NULL), 1004 BPLL_LOCK, BPLL_CON0, exynos4415_pll_rates),
1005};
1006
1007static struct samsung_cmu_info cmu_dmc_info __initdata = {
1008 .pll_clks = exynos4415_dmc_plls,
1009 .nr_pll_clks = ARRAY_SIZE(exynos4415_dmc_plls),
1010 .mux_clks = exynos4415_dmc_mux_clks,
1011 .nr_mux_clks = ARRAY_SIZE(exynos4415_dmc_mux_clks),
1012 .div_clks = exynos4415_dmc_div_clks,
1013 .nr_div_clks = ARRAY_SIZE(exynos4415_dmc_div_clks),
1014 .nr_clk_ids = NR_CLKS_DMC,
1015 .clk_regs = exynos4415_cmu_dmc_clk_regs,
1016 .nr_clk_regs = ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs),
1115}; 1017};
1116 1018
1117static void __init exynos4415_cmu_dmc_init(struct device_node *np) 1019static void __init exynos4415_cmu_dmc_init(struct device_node *np)
1118{ 1020{
1119 void __iomem *reg_base; 1021 samsung_cmu_register_one(np, &cmu_dmc_info);
1120
1121 reg_base = of_iomap(np, 0);
1122 if (!reg_base)
1123 panic("%s: failed to map registers\n", __func__);
1124
1125 exynos4415_dmc_ctx = samsung_clk_init(np, reg_base, NR_CLKS_DMC);
1126 if (!exynos4415_dmc_ctx)
1127 panic("%s: unable to allocate context.\n", __func__);
1128
1129 exynos4415_dmc_plls[mpll].rate_table = exynos4415_pll_rates;
1130 exynos4415_dmc_plls[bpll].rate_table = exynos4415_pll_rates;
1131
1132 samsung_clk_register_pll(exynos4415_dmc_ctx, exynos4415_dmc_plls,
1133 ARRAY_SIZE(exynos4415_dmc_plls), reg_base);
1134 samsung_clk_register_mux(exynos4415_dmc_ctx, exynos4415_dmc_mux_clks,
1135 ARRAY_SIZE(exynos4415_dmc_mux_clks));
1136 samsung_clk_register_div(exynos4415_dmc_ctx, exynos4415_dmc_div_clks,
1137 ARRAY_SIZE(exynos4415_dmc_div_clks));
1138
1139 exynos4415_dmc_clk_sleep_init();
1140
1141 samsung_clk_of_add_provider(np, exynos4415_dmc_ctx);
1142} 1022}
1143CLK_OF_DECLARE(exynos4415_cmu_dmc, "samsung,exynos4415-cmu-dmc", 1023CLK_OF_DECLARE(exynos4415_cmu_dmc, "samsung,exynos4415-cmu-dmc",
1144 exynos4415_cmu_dmc_init); 1024 exynos4415_cmu_dmc_init);