diff options
Diffstat (limited to 'drivers/clk/samsung/clk-exynos5420.c')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5420.c | 98 |
1 files changed, 91 insertions, 7 deletions
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 389af3c15..d048dedd8 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -18,6 +18,7 @@ #include <linux/syscore_ops.h> #include "clk.h" +#include "clk-cpu.h" #define APLL_LOCK 0x0 #define APLL_CON0 0x100 @@ -616,9 +617,11 @@ static struct samsung_mux_clock exynos5x_mux_clks[] __initdata = { MUX(0, "mout_mspll_kfc", mout_mspll_cpu_p, SRC_TOP7, 8, 2), MUX(0, "mout_mspll_cpu", mout_mspll_cpu_p, SRC_TOP7, 12, 2), - MUX(0, "mout_apll", mout_apll_p, SRC_CPU, 0, 1), + MUX_F(0, "mout_apll", mout_apll_p, SRC_CPU, 0, 1, + CLK_SET_RATE_PARENT | CLK_RECALC_NEW_RATES, 0), MUX(0, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1), - MUX(0, "mout_kpll", mout_kpll_p, SRC_KFC, 0, 1), + MUX_F(0, "mout_kpll", mout_kpll_p, SRC_KFC, 0, 1, + CLK_SET_RATE_PARENT | CLK_RECALC_NEW_RATES, 0), MUX(0, "mout_kfc", mout_kfc_p, SRC_KFC, 16, 1), MUX(0, "mout_aclk200", mout_group1_p, SRC_TOP0, 8, 2), @@ -677,8 +680,8 @@ static struct samsung_mux_clock exynos5x_mux_clks[] __initdata = { SRC_TOP5, 20, 1), MUX(CLK_MOUT_USER_ACLK300_DISP1, "mout_user_aclk300_disp1", mout_user_aclk300_disp1_p, SRC_TOP5, 24, 1), - MUX(0, "mout_user_aclk300_gscl", mout_user_aclk300_gscl_p, - SRC_TOP5, 28, 1), + MUX(CLK_MOUT_USER_ACLK300_GSCL, "mout_user_aclk300_gscl", + mout_user_aclk300_gscl_p, SRC_TOP5, 28, 1), MUX(0, "mout_sclk_mpll", mout_mpll_p, SRC_TOP6, 0, 1), MUX(CLK_MOUT_VPLL, "mout_sclk_vpll", mout_vpll_p, SRC_TOP6, 4, 1), @@ -729,8 +732,8 @@ static struct samsung_mux_clock exynos5x_mux_clks[] __initdata = { SRC_TOP12, 20, 1), MUX(CLK_MOUT_SW_ACLK300, "mout_sw_aclk300_disp1", mout_sw_aclk300_disp1_p, SRC_TOP12, 24, 1), - MUX(0, "mout_sw_aclk300_gscl", mout_sw_aclk300_gscl_p, - SRC_TOP12, 28, 1), + MUX(CLK_MOUT_SW_ACLK300_GSCL, "mout_sw_aclk300_gscl", + mout_sw_aclk300_gscl_p, SRC_TOP12, 28, 1), /* DISP1 Block */ MUX(0, "mout_mipi1", mout_group2_p, SRC_DISP10, 16, 3), @@ -926,7 +929,7 @@ static struct samsung_gate_clock exynos5x_gate_clks[] __initdata = { GATE_BUS_TOP, 13, 0, 0), GATE(0, "aclk166", "mout_user_aclk166", GATE_BUS_TOP, 14, CLK_IGNORE_UNUSED, 0), - GATE(0, "aclk333", "mout_aclk333", + GATE(0, "aclk333", "mout_user_aclk333", GATE_BUS_TOP, 15, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk400_isp", "mout_user_aclk400_isp", GATE_BUS_TOP, 16, 0, 0), @@ -1246,6 +1249,74 @@ static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = { KPLL_CON0, NULL), }; +#define E5420_EGL_DIV0(apll, pclk_dbg, atb, cpud) \ + ((((apll) << 24) | ((pclk_dbg) << 20) | ((atb) << 16) | \ + ((cpud) << 4))) + +static const struct exynos_cpuclk_cfg_data exynos5420_eglclk_d[] __initconst = { + { 1800000, E5420_EGL_DIV0(3, 7, 7, 4), }, + { 1700000, E5420_EGL_DIV0(3, 7, 7, 3), }, + { 1600000, E5420_EGL_DIV0(3, 7, 7, 3), }, + { 1500000, E5420_EGL_DIV0(3, 7, 7, 3), }, + { 1400000, E5420_EGL_DIV0(3, 7, 7, 3), }, + { 1300000, E5420_EGL_DIV0(3, 7, 7, 2), }, + { 1200000, E5420_EGL_DIV0(3, 7, 7, 2), }, + { 1100000, E5420_EGL_DIV0(3, 7, 7, 2), }, + { 1000000, E5420_EGL_DIV0(3, 6, 6, 2), }, + { 900000, E5420_EGL_DIV0(3, 6, 6, 2), }, + { 800000, E5420_EGL_DIV0(3, 5, 5, 2), }, + { 700000, E5420_EGL_DIV0(3, 5, 5, 2), }, + { 600000, E5420_EGL_DIV0(3, 4, 4, 2), }, + { 500000, E5420_EGL_DIV0(3, 3, 3, 2), }, + { 400000, E5420_EGL_DIV0(3, 3, 3, 2), }, + { 300000, E5420_EGL_DIV0(3, 3, 3, 2), }, + { 200000, E5420_EGL_DIV0(3, 3, 3, 2), }, + { 0 }, +}; + +static const struct exynos_cpuclk_cfg_data exynos5800_eglclk_d[] __initconst = { + { 2000000, E5420_EGL_DIV0(3, 7, 7, 4), }, + { 1900000, E5420_EGL_DIV0(3, 7, 7, 4), }, + { 1800000, E5420_EGL_DIV0(3, 7, 7, 4), }, + { 1700000, E5420_EGL_DIV0(3, 7, 7, 3), }, + { 1600000, E5420_EGL_DIV0(3, 7, 7, 3), }, + { 1500000, E5420_EGL_DIV0(3, 7, 7, 3), }, + { 1400000, E5420_EGL_DIV0(3, 7, 7, 3), }, + { 1300000, E5420_EGL_DIV0(3, 7, 7, 2), }, + { 1200000, E5420_EGL_DIV0(3, 7, 7, 2), }, + { 1100000, E5420_EGL_DIV0(3, 7, 7, 2), }, + { 1000000, E5420_EGL_DIV0(3, 7, 6, 2), }, + { 900000, E5420_EGL_DIV0(3, 7, 6, 2), }, + { 800000, E5420_EGL_DIV0(3, 7, 5, 2), }, + { 700000, E5420_EGL_DIV0(3, 7, 5, 2), }, + { 600000, E5420_EGL_DIV0(3, 7, 4, 2), }, + { 500000, E5420_EGL_DIV0(3, 7, 3, 2), }, + { 400000, E5420_EGL_DIV0(3, 7, 3, 2), }, + { 300000, E5420_EGL_DIV0(3, 7, 3, 2), }, + { 200000, E5420_EGL_DIV0(3, 7, 3, 2), }, + { 0 }, +}; + +#define E5420_KFC_DIV(kpll, pclk, aclk) \ + ((((kpll) << 24) | ((pclk) << 20) | ((aclk) << 4))) + +static const struct exynos_cpuclk_cfg_data exynos5420_kfcclk_d[] __initconst = { + { 1400000, E5420_KFC_DIV(3, 5, 3), }, /* for Exynos5800 */ + { 1300000, E5420_KFC_DIV(3, 5, 2), }, + { 1200000, E5420_KFC_DIV(3, 5, 2), }, + { 1100000, E5420_KFC_DIV(3, 5, 2), }, + { 1000000, E5420_KFC_DIV(3, 5, 2), }, + { 900000, E5420_KFC_DIV(3, 5, 2), }, + { 800000, E5420_KFC_DIV(3, 5, 2), }, + { 700000, E5420_KFC_DIV(3, 4, 2), }, + { 600000, E5420_KFC_DIV(3, 4, 2), }, + { 500000, E5420_KFC_DIV(3, 4, 2), }, + { 400000, E5420_KFC_DIV(3, 3, 2), }, + { 300000, E5420_KFC_DIV(3, 3, 2), }, + { 200000, E5420_KFC_DIV(3, 3, 2), }, + { 0 }, +}; + static const struct of_device_id ext_clk_match[] __initconst = { { .compatible = "samsung,exynos5420-oscclk", .data = (void *)0, }, { }, @@ -1310,6 +1381,19 @@ static void __init exynos5x_clk_init(struct device_node *np, ARRAY_SIZE(exynos5800_gate_clks)); } + if (soc == EXYNOS5420) { + exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", + mout_cpu_p[0], mout_cpu_p[1], 0x200, + exynos5420_eglclk_d, ARRAY_SIZE(exynos5420_eglclk_d), 0); + } else { + exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", + mout_cpu_p[0], mout_cpu_p[1], 0x200, + exynos5800_eglclk_d, ARRAY_SIZE(exynos5800_eglclk_d), 0); + } + exynos_register_cpu_clock(ctx, CLK_KFC_CLK, "kfcclk", + mout_kfc_p[0], mout_kfc_p[1], 0x28200, + exynos5420_kfcclk_d, ARRAY_SIZE(exynos5420_kfcclk_d), 0); + exynos5420_clk_sleep_init(); samsung_clk_of_add_provider(np, ctx); |