diff options
Diffstat (limited to 'drivers/clk/samsung')
-rw-r--r-- | drivers/clk/samsung/clk-cpu.c | 2 | ||||
-rw-r--r-- | drivers/clk/samsung/clk-cpu.h | 7 | ||||
-rw-r--r-- | drivers/clk/samsung/clk-exynos3250.c | 54 | ||||
-rw-r--r-- | drivers/clk/samsung/clk-exynos4.c | 23 | ||||
-rw-r--r-- | drivers/clk/samsung/clk-exynos5250.c | 11 | ||||
-rw-r--r-- | drivers/clk/samsung/clk-exynos5420.c | 27 |
6 files changed, 67 insertions, 57 deletions
diff --git a/drivers/clk/samsung/clk-cpu.c b/drivers/clk/samsung/clk-cpu.c index 7f20d9aedaa9..3e62ade120c5 100644 --- a/drivers/clk/samsung/clk-cpu.c +++ b/drivers/clk/samsung/clk-cpu.c @@ -400,7 +400,7 @@ static int exynos5433_cpuclk_notifier_cb(struct notifier_block *nb, } /* helper function to register a CPU clock */ -int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx, +static int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx, unsigned int lookup_id, const char *name, const struct clk_hw *parent, const struct clk_hw *alt_parent, unsigned long offset, const struct exynos_cpuclk_cfg_data *cfg, diff --git a/drivers/clk/samsung/clk-cpu.h b/drivers/clk/samsung/clk-cpu.h index fd885d2bf74c..fc9f67a3b22e 100644 --- a/drivers/clk/samsung/clk-cpu.h +++ b/drivers/clk/samsung/clk-cpu.h @@ -62,11 +62,4 @@ struct exynos_cpuclk { #define CLK_CPU_HAS_E5433_REGS_LAYOUT (1 << 2) }; -int exynos_register_cpu_clock(struct samsung_clk_provider *ctx, - unsigned int lookup_id, const char *name, - const struct clk_hw *parent, const struct clk_hw *alt_parent, - unsigned long offset, - const struct exynos_cpuclk_cfg_data *cfg, - unsigned long num_cfgs, unsigned long flags); - #endif /* __SAMSUNG_CLK_CPU_H */ diff --git a/drivers/clk/samsung/clk-exynos3250.c b/drivers/clk/samsung/clk-exynos3250.c index 17df7f9755aa..6cc65ccf867c 100644 --- a/drivers/clk/samsung/clk-exynos3250.c +++ b/drivers/clk/samsung/clk-exynos3250.c @@ -748,6 +748,31 @@ static const struct samsung_pll_clock exynos3250_plls[] __initconst = { UPLL_LOCK, UPLL_CON0, exynos3250_pll_rates), }; +#define E3250_CPU_DIV0(apll, pclk_dbg, atb, corem) \ + (((apll) << 24) | ((pclk_dbg) << 20) | ((atb) << 16) | \ + ((corem) << 4)) +#define E3250_CPU_DIV1(hpm, copy) \ + (((hpm) << 4) | ((copy) << 0)) + +static const struct exynos_cpuclk_cfg_data e3250_armclk_d[] __initconst = { + { 1000000, E3250_CPU_DIV0(1, 7, 4, 1), E3250_CPU_DIV1(7, 7), }, + { 900000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 800000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 700000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 600000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 500000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 400000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 300000, E3250_CPU_DIV0(1, 5, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 200000, E3250_CPU_DIV0(1, 3, 3, 1), E3250_CPU_DIV1(7, 7), }, + { 100000, E3250_CPU_DIV0(1, 1, 1, 1), E3250_CPU_DIV1(7, 7), }, + { 0 }, +}; + +static const struct samsung_cpu_clock exynos3250_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MPLL_USER_C, + CLK_CPU_HAS_DIV1, 0x14200, e3250_armclk_d), +}; + static void __init exynos3_core_down_clock(void __iomem *reg_base) { unsigned int tmp; @@ -780,46 +805,21 @@ static const struct samsung_cmu_info cmu_info __initconst = { .nr_gate_clks = ARRAY_SIZE(gate_clks), .fixed_factor_clks = fixed_factor_clks, .nr_fixed_factor_clks = ARRAY_SIZE(fixed_factor_clks), + .cpu_clks = exynos3250_cpu_clks, + .nr_cpu_clks = ARRAY_SIZE(exynos3250_cpu_clks), .nr_clk_ids = CLK_NR_CLKS, .clk_regs = exynos3250_cmu_clk_regs, .nr_clk_regs = ARRAY_SIZE(exynos3250_cmu_clk_regs), }; -#define E3250_CPU_DIV0(apll, pclk_dbg, atb, corem) \ - (((apll) << 24) | ((pclk_dbg) << 20) | ((atb) << 16) | \ - ((corem) << 4)) -#define E3250_CPU_DIV1(hpm, copy) \ - (((hpm) << 4) | ((copy) << 0)) - -static const struct exynos_cpuclk_cfg_data e3250_armclk_d[] __initconst = { - { 1000000, E3250_CPU_DIV0(1, 7, 4, 1), E3250_CPU_DIV1(7, 7), }, - { 900000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 800000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 700000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 600000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 500000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 400000, E3250_CPU_DIV0(1, 7, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 300000, E3250_CPU_DIV0(1, 5, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 200000, E3250_CPU_DIV0(1, 3, 3, 1), E3250_CPU_DIV1(7, 7), }, - { 100000, E3250_CPU_DIV0(1, 1, 1, 1), E3250_CPU_DIV1(7, 7), }, - { 0 }, -}; - static void __init exynos3250_cmu_init(struct device_node *np) { struct samsung_clk_provider *ctx; - struct clk_hw **hws; ctx = samsung_cmu_register_one(np, &cmu_info); if (!ctx) return; - hws = ctx->clk_data.hws; - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MPLL_USER_C], - 0x14200, e3250_armclk_d, ARRAY_SIZE(e3250_armclk_d), - CLK_CPU_HAS_DIV1); - exynos3_core_down_clock(ctx->reg_base); } CLK_OF_DECLARE(exynos3250_cmu, "samsung,exynos3250-cmu", exynos3250_cmu_init); diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 42b4b62bd483..22009cb53428 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -1228,6 +1228,16 @@ static const struct exynos_cpuclk_cfg_data e4412_armclk_d[] __initconst = { { 0 }, }; +static const struct samsung_cpu_clock exynos4210_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_SCLK_MPLL, + CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1, 0x14200, e4210_armclk_d), +}; + +static const struct samsung_cpu_clock exynos4412_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MPLL_USER_C, + CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1, 0x14200, e4412_armclk_d), +}; + /* register exynos4 clocks */ static void __init exynos4_clk_init(struct device_node *np, enum exynos4_soc soc) @@ -1304,10 +1314,8 @@ static void __init exynos4_clk_init(struct device_node *np, samsung_clk_register_fixed_factor(ctx, exynos4210_fixed_factor_clks, ARRAY_SIZE(exynos4210_fixed_factor_clks)); - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_SCLK_MPLL], 0x14200, - e4210_armclk_d, ARRAY_SIZE(e4210_armclk_d), - CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); + samsung_clk_register_cpu(ctx, exynos4210_cpu_clks, + ARRAY_SIZE(exynos4210_cpu_clks)); } else { samsung_clk_register_mux(ctx, exynos4x12_mux_clks, ARRAY_SIZE(exynos4x12_mux_clks)); @@ -1318,11 +1326,8 @@ static void __init exynos4_clk_init(struct device_node *np, samsung_clk_register_fixed_factor(ctx, exynos4x12_fixed_factor_clks, ARRAY_SIZE(exynos4x12_fixed_factor_clks)); - - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MPLL_USER_C], 0x14200, - e4412_armclk_d, ARRAY_SIZE(e4412_armclk_d), - CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); + samsung_clk_register_cpu(ctx, exynos4412_cpu_clks, + ARRAY_SIZE(exynos4412_cpu_clks)); } if (soc == EXYNOS4X12) diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index fde4998d2aab..113df773ee44 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -772,6 +772,11 @@ static const struct exynos_cpuclk_cfg_data exynos5250_armclk_d[] __initconst = { { 0 }, }; +static const struct samsung_cpu_clock exynos5250_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MPLL, CLK_CPU_HAS_DIV1, 0x200, + exynos5250_armclk_d), +}; + static const struct of_device_id ext_clk_match[] __initconst = { { .compatible = "samsung,clock-xxti", .data = (void *)0, }, { }, @@ -822,10 +827,8 @@ static void __init exynos5250_clk_init(struct device_node *np) ARRAY_SIZE(exynos5250_div_clks)); samsung_clk_register_gate(ctx, exynos5250_gate_clks, ARRAY_SIZE(exynos5250_gate_clks)); - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MPLL], 0x200, - exynos5250_armclk_d, ARRAY_SIZE(exynos5250_armclk_d), - CLK_CPU_HAS_DIV1); + samsung_clk_register_cpu(ctx, exynos5250_cpu_clks, + ARRAY_SIZE(exynos5250_cpu_clks)); /* * Enable arm clock down (in idle) and set arm divider diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 747196bbea2a..caad74dee297 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1551,6 +1551,20 @@ static const struct exynos_cpuclk_cfg_data exynos5420_kfcclk_d[] __initconst = { { 0 }, }; +static const struct samsung_cpu_clock exynos5420_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MSPLL_CPU, 0, 0x200, + exynos5420_eglclk_d), + CPU_CLK(CLK_KFC_CLK, "kfcclk", CLK_MOUT_KPLL, CLK_MOUT_MSPLL_KFC, 0, 0x28200, + exynos5420_kfcclk_d), +}; + +static const struct samsung_cpu_clock exynos5800_cpu_clks[] __initconst = { + CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MSPLL_CPU, 0, 0x200, + exynos5800_eglclk_d), + CPU_CLK(CLK_KFC_CLK, "kfcclk", CLK_MOUT_KPLL, CLK_MOUT_MSPLL_KFC, 0, 0x28200, + exynos5420_kfcclk_d), +}; + static const struct of_device_id ext_clk_match[] __initconst = { { .compatible = "samsung,exynos5420-oscclk", .data = (void *)0, }, { }, @@ -1625,17 +1639,12 @@ static void __init exynos5x_clk_init(struct device_node *np, } if (soc == EXYNOS5420) { - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MSPLL_CPU], 0x200, - exynos5420_eglclk_d, ARRAY_SIZE(exynos5420_eglclk_d), 0); + samsung_clk_register_cpu(ctx, exynos5420_cpu_clks, + ARRAY_SIZE(exynos5420_cpu_clks)); } else { - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - hws[CLK_MOUT_APLL], hws[CLK_MOUT_MSPLL_CPU], 0x200, - exynos5800_eglclk_d, ARRAY_SIZE(exynos5800_eglclk_d), 0); + samsung_clk_register_cpu(ctx, exynos5800_cpu_clks, + ARRAY_SIZE(exynos5800_cpu_clks)); } - exynos_register_cpu_clock(ctx, CLK_KFC_CLK, "kfcclk", - hws[CLK_MOUT_KPLL], hws[CLK_MOUT_MSPLL_KFC], 0x28200, - exynos5420_kfcclk_d, ARRAY_SIZE(exynos5420_kfcclk_d), 0); samsung_clk_extended_sleep_init(reg_base, exynos5x_clk_regs, ARRAY_SIZE(exynos5x_clk_regs), |