diff options
Diffstat (limited to 'drivers/clk/samsung/clk-exynos5420.c')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5420.c | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 3ccd4eabd2a6..a9df4e6db82f 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -5,11 +5,12 @@ * Chander Kashyap <k.chander@samsung.com> * * Common Clock Framework support for Exynos5420 SoC. -*/ + */ #include <dt-bindings/clock/exynos5420.h> #include <linux/slab.h> #include <linux/clk-provider.h> +#include <linux/mod_devicetable.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/clk.h> @@ -139,6 +140,9 @@ #define SRC_KFC 0x28200 #define DIV_KFC0 0x28500 +/* NOTE: Must be equal to the last clock ID increased by one */ +#define CLKS_NR (CLK_DOUT_PCLK_DREX1 + 1) + /* Exynos5x SoC type */ enum exynos5x_soc { EXYNOS5420, @@ -292,8 +296,8 @@ static const struct samsung_clk_reg_dump exynos5420_set_clksrc[] = { /* list of all parent clocks */ PNAME(mout_mspll_cpu_p) = {"mout_sclk_cpll", "mout_sclk_dpll", "mout_sclk_mpll", "mout_sclk_spll"}; -PNAME(mout_cpu_p) = {"mout_apll" , "mout_mspll_cpu"}; -PNAME(mout_kfc_p) = {"mout_kpll" , "mout_mspll_kfc"}; +PNAME(mout_cpu_p) = {"mout_apll", "mout_mspll_cpu"}; +PNAME(mout_kfc_p) = {"mout_kpll", "mout_mspll_kfc"}; PNAME(mout_apll_p) = {"fin_pll", "fout_apll"}; PNAME(mout_bpll_p) = {"fin_pll", "fout_bpll"}; PNAME(mout_cpll_p) = {"fin_pll", "fout_cpll"}; @@ -1551,6 +1555,20 @@ 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, + 0x0, CPUCLK_LAYOUT_E4210, exynos5420_eglclk_d), + CPU_CLK(CLK_KFC_CLK, "kfcclk", CLK_MOUT_KPLL, CLK_MOUT_MSPLL_KFC, 0, + 0x28000, CPUCLK_LAYOUT_E4210, 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, + 0x0, CPUCLK_LAYOUT_E4210, exynos5800_eglclk_d), + CPU_CLK(CLK_KFC_CLK, "kfcclk", CLK_MOUT_KPLL, CLK_MOUT_MSPLL_KFC, 0, + 0x28000, CPUCLK_LAYOUT_E4210, exynos5420_kfcclk_d), +}; + static const struct of_device_id ext_clk_match[] __initconst = { { .compatible = "samsung,exynos5420-oscclk", .data = (void *)0, }, { }, @@ -1573,14 +1591,14 @@ static void __init exynos5x_clk_init(struct device_node *np, exynos5x_soc = soc; - ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); + ctx = samsung_clk_init(NULL, reg_base, CLKS_NR); hws = ctx->clk_data.hws; samsung_clk_of_register_fixed_ext(ctx, exynos5x_fixed_rate_ext_clks, ARRAY_SIZE(exynos5x_fixed_rate_ext_clks), ext_clk_match); - if (_get_rate("fin_pll") == 24 * MHZ) { + if (clk_hw_get_rate(hws[CLK_FIN_PLL]) == 24 * MHZ) { exynos5x_plls[apll].rate_table = exynos5420_pll2550x_24mhz_tbl; exynos5x_plls[epll].rate_table = exynos5420_epll_24mhz_tbl; exynos5x_plls[kpll].rate_table = exynos5420_pll2550x_24mhz_tbl; @@ -1592,8 +1610,7 @@ static void __init exynos5x_clk_init(struct device_node *np, else exynos5x_plls[bpll].rate_table = exynos5422_bpll_rate_table; - samsung_clk_register_pll(ctx, exynos5x_plls, ARRAY_SIZE(exynos5x_plls), - reg_base); + samsung_clk_register_pll(ctx, exynos5x_plls, ARRAY_SIZE(exynos5x_plls)); samsung_clk_register_fixed_rate(ctx, exynos5x_fixed_rate_clks, ARRAY_SIZE(exynos5x_fixed_rate_clks)); samsung_clk_register_fixed_factor(ctx, exynos5x_fixed_factor_clks, @@ -1625,17 +1642,12 @@ 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), |