diff options
Diffstat (limited to 'drivers/clk/samsung/clk-exynos850.c')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos850.c | 366 |
1 files changed, 295 insertions, 71 deletions
diff --git a/drivers/clk/samsung/clk-exynos850.c b/drivers/clk/samsung/clk-exynos850.c index 2294989e244c..cd9725f1dbf7 100644 --- a/drivers/clk/samsung/clk-exynos850.c +++ b/drivers/clk/samsung/clk-exynos850.c @@ -9,56 +9,13 @@ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/of.h> -#include <linux/of_address.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include <dt-bindings/clock/exynos850.h> #include "clk.h" - -/* Gate register bits */ -#define GATE_MANUAL BIT(20) -#define GATE_ENABLE_HWACG BIT(28) - -/* Gate register offsets range */ -#define GATE_OFF_START 0x2000 -#define GATE_OFF_END 0x2fff - -/** - * exynos850_init_clocks - Set clocks initial configuration - * @np: CMU device tree node with "reg" property (CMU addr) - * @reg_offs: Register offsets array for clocks to init - * @reg_offs_len: Number of register offsets in reg_offs array - * - * Set manual control mode for all gate clocks. - */ -static void __init exynos850_init_clocks(struct device_node *np, - const unsigned long *reg_offs, size_t reg_offs_len) -{ - void __iomem *reg_base; - size_t i; - - reg_base = of_iomap(np, 0); - if (!reg_base) - panic("%s: failed to map registers\n", __func__); - - for (i = 0; i < reg_offs_len; ++i) { - void __iomem *reg = reg_base + reg_offs[i]; - u32 val; - - /* Modify only gate clock registers */ - if (reg_offs[i] < GATE_OFF_START || reg_offs[i] > GATE_OFF_END) - continue; - - val = readl(reg); - val |= GATE_MANUAL; - val &= ~GATE_ENABLE_HWACG; - writel(val, reg); - } - - iounmap(reg_base); -} +#include "clk-exynos-arm64.h" /* ---- CMU_TOP ------------------------------------------------------------- */ @@ -72,6 +29,7 @@ static void __init exynos850_init_clocks(struct device_node *np, #define PLL_CON3_PLL_SHARED0 0x014c #define PLL_CON0_PLL_SHARED1 0x0180 #define PLL_CON3_PLL_SHARED1 0x018c +#define CLK_CON_MUX_MUX_CLKCMU_APM_BUS 0x1000 #define CLK_CON_MUX_MUX_CLKCMU_CORE_BUS 0x1014 #define CLK_CON_MUX_MUX_CLKCMU_CORE_CCI 0x1018 #define CLK_CON_MUX_MUX_CLKCMU_CORE_MMC_EMBD 0x101c @@ -83,6 +41,7 @@ static void __init exynos850_init_clocks(struct device_node *np, #define CLK_CON_MUX_MUX_CLKCMU_PERI_BUS 0x1070 #define CLK_CON_MUX_MUX_CLKCMU_PERI_IP 0x1074 #define CLK_CON_MUX_MUX_CLKCMU_PERI_UART 0x1078 +#define CLK_CON_DIV_CLKCMU_APM_BUS 0x180c #define CLK_CON_DIV_CLKCMU_CORE_BUS 0x1820 #define CLK_CON_DIV_CLKCMU_CORE_CCI 0x1824 #define CLK_CON_DIV_CLKCMU_CORE_MMC_EMBD 0x1828 @@ -100,6 +59,7 @@ static void __init exynos850_init_clocks(struct device_node *np, #define CLK_CON_DIV_PLL_SHARED1_DIV2 0x1898 #define CLK_CON_DIV_PLL_SHARED1_DIV3 0x189c #define CLK_CON_DIV_PLL_SHARED1_DIV4 0x18a0 +#define CLK_CON_GAT_GATE_CLKCMU_APM_BUS 0x2008 #define CLK_CON_GAT_GATE_CLKCMU_CORE_BUS 0x201c #define CLK_CON_GAT_GATE_CLKCMU_CORE_CCI 0x2020 #define CLK_CON_GAT_GATE_CLKCMU_CORE_MMC_EMBD 0x2024 @@ -122,6 +82,7 @@ static const unsigned long top_clk_regs[] __initconst = { PLL_CON3_PLL_SHARED0, PLL_CON0_PLL_SHARED1, PLL_CON3_PLL_SHARED1, + CLK_CON_MUX_MUX_CLKCMU_APM_BUS, CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, CLK_CON_MUX_MUX_CLKCMU_CORE_CCI, CLK_CON_MUX_MUX_CLKCMU_CORE_MMC_EMBD, @@ -133,6 +94,7 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_MUX_MUX_CLKCMU_PERI_BUS, CLK_CON_MUX_MUX_CLKCMU_PERI_IP, CLK_CON_MUX_MUX_CLKCMU_PERI_UART, + CLK_CON_DIV_CLKCMU_APM_BUS, CLK_CON_DIV_CLKCMU_CORE_BUS, CLK_CON_DIV_CLKCMU_CORE_CCI, CLK_CON_DIV_CLKCMU_CORE_MMC_EMBD, @@ -150,6 +112,7 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_DIV_PLL_SHARED1_DIV2, CLK_CON_DIV_PLL_SHARED1_DIV3, CLK_CON_DIV_PLL_SHARED1_DIV4, + CLK_CON_GAT_GATE_CLKCMU_APM_BUS, CLK_CON_GAT_GATE_CLKCMU_CORE_BUS, CLK_CON_GAT_GATE_CLKCMU_CORE_CCI, CLK_CON_GAT_GATE_CLKCMU_CORE_MMC_EMBD, @@ -183,6 +146,8 @@ static const struct samsung_pll_clock top_pll_clks[] __initconst = { PNAME(mout_shared0_pll_p) = { "oscclk", "fout_shared0_pll" }; PNAME(mout_shared1_pll_p) = { "oscclk", "fout_shared1_pll" }; PNAME(mout_mmc_pll_p) = { "oscclk", "fout_mmc_pll" }; +/* List of parent clocks for Muxes in CMU_TOP: for CMU_APM */ +PNAME(mout_clkcmu_apm_bus_p) = { "dout_shared0_div4", "pll_shared1_div4" }; /* List of parent clocks for Muxes in CMU_TOP: for CMU_CORE */ PNAME(mout_core_bus_p) = { "dout_shared1_div2", "dout_shared0_div3", "dout_shared1_div3", "dout_shared0_div4" }; @@ -222,6 +187,10 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = { MUX(CLK_MOUT_MMC_PLL, "mout_mmc_pll", mout_mmc_pll_p, PLL_CON0_PLL_MMC, 4, 1), + /* APM */ + MUX(CLK_MOUT_CLKCMU_APM_BUS, "mout_clkcmu_apm_bus", + mout_clkcmu_apm_bus_p, CLK_CON_MUX_MUX_CLKCMU_APM_BUS, 0, 1), + /* CORE */ MUX(CLK_MOUT_CORE_BUS, "mout_core_bus", mout_core_bus_p, CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, 0, 2), @@ -268,6 +237,10 @@ static const struct samsung_div_clock top_div_clks[] __initconst = { DIV(CLK_DOUT_SHARED1_DIV4, "dout_shared1_div4", "dout_shared1_div2", CLK_CON_DIV_PLL_SHARED1_DIV4, 0, 1), + /* APM */ + DIV(CLK_DOUT_CLKCMU_APM_BUS, "dout_clkcmu_apm_bus", + "gout_clkcmu_apm_bus", CLK_CON_DIV_CLKCMU_APM_BUS, 0, 3), + /* CORE */ DIV(CLK_DOUT_CORE_BUS, "dout_core_bus", "gout_core_bus", CLK_CON_DIV_CLKCMU_CORE_BUS, 0, 4), @@ -310,6 +283,10 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = { GATE(CLK_GOUT_CORE_SSS, "gout_core_sss", "mout_core_sss", CLK_CON_GAT_GATE_CLKCMU_CORE_SSS, 21, 0, 0), + /* APM */ + GATE(CLK_GOUT_CLKCMU_APM_BUS, "gout_clkcmu_apm_bus", + "mout_clkcmu_apm_bus", CLK_CON_GAT_GATE_CLKCMU_APM_BUS, 21, 0, 0), + /* DPU */ GATE(CLK_GOUT_DPU, "gout_dpu", "mout_dpu", CLK_CON_GAT_GATE_CLKCMU_DPU, 21, 0, 0), @@ -347,13 +324,248 @@ static const struct samsung_cmu_info top_cmu_info __initconst = { static void __init exynos850_cmu_top_init(struct device_node *np) { - exynos850_init_clocks(np, top_clk_regs, ARRAY_SIZE(top_clk_regs)); - samsung_cmu_register_one(np, &top_cmu_info); + exynos_arm64_register_cmu(NULL, np, &top_cmu_info); } +/* Register CMU_TOP early, as it's a dependency for other early domains */ CLK_OF_DECLARE(exynos850_cmu_top, "samsung,exynos850-cmu-top", exynos850_cmu_top_init); +/* ---- CMU_APM ------------------------------------------------------------- */ + +/* Register Offset definitions for CMU_APM (0x11800000) */ +#define PLL_CON0_MUX_CLKCMU_APM_BUS_USER 0x0600 +#define PLL_CON0_MUX_CLK_RCO_APM_I3C_USER 0x0610 +#define PLL_CON0_MUX_CLK_RCO_APM_USER 0x0620 +#define PLL_CON0_MUX_DLL_USER 0x0630 +#define CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS 0x1000 +#define CLK_CON_MUX_MUX_CLK_APM_BUS 0x1004 +#define CLK_CON_MUX_MUX_CLK_APM_I3C 0x1008 +#define CLK_CON_DIV_CLKCMU_CHUB_BUS 0x1800 +#define CLK_CON_DIV_DIV_CLK_APM_BUS 0x1804 +#define CLK_CON_DIV_DIV_CLK_APM_I3C 0x1808 +#define CLK_CON_GAT_CLKCMU_CMGP_BUS 0x2000 +#define CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS 0x2014 +#define CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK 0x2018 +#define CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK 0x2020 +#define CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK 0x2024 +#define CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK 0x2028 +#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK 0x2034 +#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK 0x2038 +#define CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK 0x20bc +#define CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK 0x20c0 + +static const unsigned long apm_clk_regs[] __initconst = { + PLL_CON0_MUX_CLKCMU_APM_BUS_USER, + PLL_CON0_MUX_CLK_RCO_APM_I3C_USER, + PLL_CON0_MUX_CLK_RCO_APM_USER, + PLL_CON0_MUX_DLL_USER, + CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS, + CLK_CON_MUX_MUX_CLK_APM_BUS, + CLK_CON_MUX_MUX_CLK_APM_I3C, + CLK_CON_DIV_CLKCMU_CHUB_BUS, + CLK_CON_DIV_DIV_CLK_APM_BUS, + CLK_CON_DIV_DIV_CLK_APM_I3C, + CLK_CON_GAT_CLKCMU_CMGP_BUS, + CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS, + CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK, + CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK, + CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK, + CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK, + CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK, + CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK, + CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK, + CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK, +}; + +/* List of parent clocks for Muxes in CMU_APM */ +PNAME(mout_apm_bus_user_p) = { "oscclk_rco_apm", "dout_clkcmu_apm_bus" }; +PNAME(mout_rco_apm_i3c_user_p) = { "oscclk_rco_apm", "clk_rco_i3c_pmic" }; +PNAME(mout_rco_apm_user_p) = { "oscclk_rco_apm", "clk_rco_apm__alv" }; +PNAME(mout_dll_user_p) = { "oscclk_rco_apm", "clk_dll_dco" }; +PNAME(mout_clkcmu_chub_bus_p) = { "mout_apm_bus_user", "mout_dll_user" }; +PNAME(mout_apm_bus_p) = { "mout_rco_apm_user", "mout_apm_bus_user", + "mout_dll_user", "oscclk_rco_apm" }; +PNAME(mout_apm_i3c_p) = { "dout_apm_i3c", "mout_rco_apm_i3c_user" }; + +static const struct samsung_fixed_rate_clock apm_fixed_clks[] __initconst = { + FRATE(CLK_RCO_I3C_PMIC, "clk_rco_i3c_pmic", NULL, 0, 491520000), + FRATE(OSCCLK_RCO_APM, "oscclk_rco_apm", NULL, 0, 24576000), + FRATE(CLK_RCO_APM__ALV, "clk_rco_apm__alv", NULL, 0, 49152000), + FRATE(CLK_DLL_DCO, "clk_dll_dco", NULL, 0, 360000000), +}; + +static const struct samsung_mux_clock apm_mux_clks[] __initconst = { + MUX(CLK_MOUT_APM_BUS_USER, "mout_apm_bus_user", mout_apm_bus_user_p, + PLL_CON0_MUX_CLKCMU_APM_BUS_USER, 4, 1), + MUX(CLK_MOUT_RCO_APM_I3C_USER, "mout_rco_apm_i3c_user", + mout_rco_apm_i3c_user_p, PLL_CON0_MUX_CLK_RCO_APM_I3C_USER, 4, 1), + MUX(CLK_MOUT_RCO_APM_USER, "mout_rco_apm_user", mout_rco_apm_user_p, + PLL_CON0_MUX_CLK_RCO_APM_USER, 4, 1), + MUX(CLK_MOUT_DLL_USER, "mout_dll_user", mout_dll_user_p, + PLL_CON0_MUX_DLL_USER, 4, 1), + MUX(CLK_MOUT_CLKCMU_CHUB_BUS, "mout_clkcmu_chub_bus", + mout_clkcmu_chub_bus_p, CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS, 0, 1), + MUX(CLK_MOUT_APM_BUS, "mout_apm_bus", mout_apm_bus_p, + CLK_CON_MUX_MUX_CLK_APM_BUS, 0, 2), + MUX(CLK_MOUT_APM_I3C, "mout_apm_i3c", mout_apm_i3c_p, + CLK_CON_MUX_MUX_CLK_APM_I3C, 0, 1), +}; + +static const struct samsung_div_clock apm_div_clks[] __initconst = { + DIV(CLK_DOUT_CLKCMU_CHUB_BUS, "dout_clkcmu_chub_bus", + "gout_clkcmu_chub_bus", + CLK_CON_DIV_CLKCMU_CHUB_BUS, 0, 3), + DIV(CLK_DOUT_APM_BUS, "dout_apm_bus", "mout_apm_bus", + CLK_CON_DIV_DIV_CLK_APM_BUS, 0, 3), + DIV(CLK_DOUT_APM_I3C, "dout_apm_i3c", "mout_apm_bus", + CLK_CON_DIV_DIV_CLK_APM_I3C, 0, 3), +}; + +static const struct samsung_gate_clock apm_gate_clks[] __initconst = { + GATE(CLK_GOUT_CLKCMU_CMGP_BUS, "gout_clkcmu_cmgp_bus", "dout_apm_bus", + CLK_CON_GAT_CLKCMU_CMGP_BUS, 21, 0, 0), + GATE(CLK_GOUT_CLKCMU_CHUB_BUS, "gout_clkcmu_chub_bus", + "mout_clkcmu_chub_bus", + CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS, 21, 0, 0), + GATE(CLK_GOUT_RTC_PCLK, "gout_rtc_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK, 21, 0, 0), + GATE(CLK_GOUT_TOP_RTC_PCLK, "gout_top_rtc_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK, 21, 0, 0), + GATE(CLK_GOUT_I3C_PCLK, "gout_i3c_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK, 21, 0, 0), + GATE(CLK_GOUT_I3C_SCLK, "gout_i3c_sclk", "mout_apm_i3c", + CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK, 21, 0, 0), + GATE(CLK_GOUT_SPEEDY_PCLK, "gout_speedy_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK, 21, 0, 0), + /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */ + GATE(CLK_GOUT_GPIO_ALIVE_PCLK, "gout_gpio_alive_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK, 21, CLK_IGNORE_UNUSED, + 0), + GATE(CLK_GOUT_PMU_ALIVE_PCLK, "gout_pmu_alive_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK, 21, 0, 0), + GATE(CLK_GOUT_SYSREG_APM_PCLK, "gout_sysreg_apm_pclk", "dout_apm_bus", + CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK, 21, 0, 0), +}; + +static const struct samsung_cmu_info apm_cmu_info __initconst = { + .mux_clks = apm_mux_clks, + .nr_mux_clks = ARRAY_SIZE(apm_mux_clks), + .div_clks = apm_div_clks, + .nr_div_clks = ARRAY_SIZE(apm_div_clks), + .gate_clks = apm_gate_clks, + .nr_gate_clks = ARRAY_SIZE(apm_gate_clks), + .fixed_clks = apm_fixed_clks, + .nr_fixed_clks = ARRAY_SIZE(apm_fixed_clks), + .nr_clk_ids = APM_NR_CLK, + .clk_regs = apm_clk_regs, + .nr_clk_regs = ARRAY_SIZE(apm_clk_regs), + .clk_name = "dout_clkcmu_apm_bus", +}; + +/* ---- CMU_CMGP ------------------------------------------------------------ */ + +/* Register Offset definitions for CMU_CMGP (0x11c00000) */ +#define CLK_CON_MUX_CLK_CMGP_ADC 0x1000 +#define CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP0 0x1004 +#define CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP1 0x1008 +#define CLK_CON_DIV_DIV_CLK_CMGP_ADC 0x1800 +#define CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP0 0x1804 +#define CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP1 0x1808 +#define CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0 0x200c +#define CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1 0x2010 +#define CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK 0x2018 +#define CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK 0x2040 +#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK 0x2044 +#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK 0x2048 +#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK 0x204c +#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_PCLK 0x2050 + +static const unsigned long cmgp_clk_regs[] __initconst = { + CLK_CON_MUX_CLK_CMGP_ADC, + CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP0, + CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP1, + CLK_CON_DIV_DIV_CLK_CMGP_ADC, + CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP0, + CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP1, + CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0, + CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1, + CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK, + CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK, + CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK, + CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK, + CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK, + CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_PCLK, +}; + +/* List of parent clocks for Muxes in CMU_CMGP */ +PNAME(mout_cmgp_usi0_p) = { "clk_rco_cmgp", "gout_clkcmu_cmgp_bus" }; +PNAME(mout_cmgp_usi1_p) = { "clk_rco_cmgp", "gout_clkcmu_cmgp_bus" }; +PNAME(mout_cmgp_adc_p) = { "oscclk", "dout_cmgp_adc" }; + +static const struct samsung_fixed_rate_clock cmgp_fixed_clks[] __initconst = { + FRATE(CLK_RCO_CMGP, "clk_rco_cmgp", NULL, 0, 49152000), +}; + +static const struct samsung_mux_clock cmgp_mux_clks[] __initconst = { + MUX(CLK_MOUT_CMGP_ADC, "mout_cmgp_adc", mout_cmgp_adc_p, + CLK_CON_MUX_CLK_CMGP_ADC, 0, 1), + MUX(CLK_MOUT_CMGP_USI0, "mout_cmgp_usi0", mout_cmgp_usi0_p, + CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP0, 0, 1), + MUX(CLK_MOUT_CMGP_USI1, "mout_cmgp_usi1", mout_cmgp_usi1_p, + CLK_CON_MUX_MUX_CLK_CMGP_USI_CMGP1, 0, 1), +}; + +static const struct samsung_div_clock cmgp_div_clks[] __initconst = { + DIV(CLK_DOUT_CMGP_ADC, "dout_cmgp_adc", "gout_clkcmu_cmgp_bus", + CLK_CON_DIV_DIV_CLK_CMGP_ADC, 0, 4), + DIV(CLK_DOUT_CMGP_USI0, "dout_cmgp_usi0", "mout_cmgp_usi0", + CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP0, 0, 5), + DIV(CLK_DOUT_CMGP_USI1, "dout_cmgp_usi1", "mout_cmgp_usi1", + CLK_CON_DIV_DIV_CLK_CMGP_USI_CMGP1, 0, 5), +}; + +static const struct samsung_gate_clock cmgp_gate_clks[] __initconst = { + GATE(CLK_GOUT_CMGP_ADC_S0_PCLK, "gout_adc_s0_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0, 21, 0, 0), + GATE(CLK_GOUT_CMGP_ADC_S1_PCLK, "gout_adc_s1_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1, 21, 0, 0), + /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */ + GATE(CLK_GOUT_CMGP_GPIO_PCLK, "gout_gpio_cmgp_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK, 21, CLK_IGNORE_UNUSED, 0), + GATE(CLK_GOUT_CMGP_USI0_IPCLK, "gout_cmgp_usi0_ipclk", "dout_cmgp_usi0", + CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK, 21, 0, 0), + GATE(CLK_GOUT_CMGP_USI0_PCLK, "gout_cmgp_usi0_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK, 21, 0, 0), + GATE(CLK_GOUT_CMGP_USI1_IPCLK, "gout_cmgp_usi1_ipclk", "dout_cmgp_usi1", + CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK, 21, 0, 0), + GATE(CLK_GOUT_CMGP_USI1_PCLK, "gout_cmgp_usi1_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_PCLK, 21, 0, 0), + GATE(CLK_GOUT_SYSREG_CMGP_PCLK, "gout_sysreg_cmgp_pclk", + "gout_clkcmu_cmgp_bus", + CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK, 21, 0, 0), +}; + +static const struct samsung_cmu_info cmgp_cmu_info __initconst = { + .mux_clks = cmgp_mux_clks, + .nr_mux_clks = ARRAY_SIZE(cmgp_mux_clks), + .div_clks = cmgp_div_clks, + .nr_div_clks = ARRAY_SIZE(cmgp_div_clks), + .gate_clks = cmgp_gate_clks, + .nr_gate_clks = ARRAY_SIZE(cmgp_gate_clks), + .fixed_clks = cmgp_fixed_clks, + .nr_fixed_clks = ARRAY_SIZE(cmgp_fixed_clks), + .nr_clk_ids = CMGP_NR_CLK, + .clk_regs = cmgp_clk_regs, + .nr_clk_regs = ARRAY_SIZE(cmgp_clk_regs), + .clk_name = "gout_clkcmu_cmgp_bus", +}; + /* ---- CMU_HSI ------------------------------------------------------------- */ /* Register Offset definitions for CMU_HSI (0x13400000) */ @@ -413,8 +625,9 @@ static const struct samsung_gate_clock hsi_gate_clks[] __initconst = { CLK_CON_GAT_HSI_USB20DRD_TOP_I_REF_CLK_50, 21, 0, 0), GATE(CLK_GOUT_USB_PHY_REF_CLK, "gout_usb_phy_ref", "oscclk", CLK_CON_GAT_HSI_USB20DRD_TOP_I_PHY_REFCLK_26, 21, 0, 0), + /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */ GATE(CLK_GOUT_GPIO_HSI_PCLK, "gout_gpio_hsi_pclk", "mout_hsi_bus_user", - CLK_CON_GAT_GOUT_HSI_GPIO_HSI_PCLK, 21, 0, 0), + CLK_CON_GAT_GOUT_HSI_GPIO_HSI_PCLK, 21, CLK_IGNORE_UNUSED, 0), GATE(CLK_GOUT_MMC_CARD_ACLK, "gout_mmc_card_aclk", "mout_hsi_bus_user", CLK_CON_GAT_GOUT_HSI_MMC_CARD_I_ACLK, 21, 0, 0), GATE(CLK_GOUT_MMC_CARD_SDCLKIN, "gout_mmc_card_sdclkin", @@ -597,9 +810,10 @@ static const struct samsung_gate_clock peri_gate_clks[] __initconst = { CLK_CON_GAT_GOUT_PERI_WDT_0_PCLK, 21, 0, 0), GATE(CLK_GOUT_WDT1_PCLK, "gout_wdt1_pclk", "mout_peri_bus_user", CLK_CON_GAT_GOUT_PERI_WDT_1_PCLK, 21, 0, 0), + /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */ GATE(CLK_GOUT_GPIO_PERI_PCLK, "gout_gpio_peri_pclk", "mout_peri_bus_user", - CLK_CON_GAT_GOUT_PERI_GPIO_PERI_PCLK, 21, 0, 0), + CLK_CON_GAT_GOUT_PERI_GPIO_PERI_PCLK, 21, CLK_IGNORE_UNUSED, 0), }; static const struct samsung_cmu_info peri_cmu_info __initconst = { @@ -615,6 +829,15 @@ static const struct samsung_cmu_info peri_cmu_info __initconst = { .clk_name = "dout_peri_bus", }; +static void __init exynos850_cmu_peri_init(struct device_node *np) +{ + exynos_arm64_register_cmu(NULL, np, &peri_cmu_info); +} + +/* Register CMU_PERI early, as it's needed for MCT timer */ +CLK_OF_DECLARE(exynos850_cmu_peri, "samsung,exynos850-cmu-peri", + exynos850_cmu_peri_init); + /* ---- CMU_CORE ------------------------------------------------------------ */ /* Register Offset definitions for CMU_CORE (0x12000000) */ @@ -626,10 +849,12 @@ static const struct samsung_cmu_info peri_cmu_info __initconst = { #define CLK_CON_DIV_DIV_CLK_CORE_BUSP 0x1800 #define CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK 0x2038 #define CLK_CON_GAT_GOUT_CORE_GIC_CLK 0x2040 +#define CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK 0x2044 #define CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK 0x20e8 #define CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN 0x20ec #define CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK 0x2128 #define CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK 0x212c +#define CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK 0x2130 static const unsigned long core_clk_regs[] __initconst = { PLL_CON0_MUX_CLKCMU_CORE_BUS_USER, @@ -640,10 +865,12 @@ static const unsigned long core_clk_regs[] __initconst = { CLK_CON_DIV_DIV_CLK_CORE_BUSP, CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK, CLK_CON_GAT_GOUT_CORE_GIC_CLK, + CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK, CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK, CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN, CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK, CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK, + CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK, }; /* List of parent clocks for Muxes in CMU_CORE */ @@ -673,10 +900,12 @@ static const struct samsung_div_clock core_div_clks[] __initconst = { }; static const struct samsung_gate_clock core_gate_clks[] __initconst = { + /* CCI (interconnect) clock must be always running */ GATE(CLK_GOUT_CCI_ACLK, "gout_cci_aclk", "mout_core_cci_user", - CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK, 21, 0, 0), + CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK, 21, CLK_IS_CRITICAL, 0), + /* GIC (interrupt controller) clock must be always running */ GATE(CLK_GOUT_GIC_CLK, "gout_gic_clk", "mout_core_gic", - CLK_CON_GAT_GOUT_CORE_GIC_CLK, 21, 0, 0), + CLK_CON_GAT_GOUT_CORE_GIC_CLK, 21, CLK_IS_CRITICAL, 0), GATE(CLK_GOUT_MMC_EMBD_ACLK, "gout_mmc_embd_aclk", "dout_core_busp", CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK, 21, 0, 0), GATE(CLK_GOUT_MMC_EMBD_SDCLKIN, "gout_mmc_embd_sdclkin", @@ -686,6 +915,12 @@ static const struct samsung_gate_clock core_gate_clks[] __initconst = { CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK, 21, 0, 0), GATE(CLK_GOUT_SSS_PCLK, "gout_sss_pclk", "dout_core_busp", CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK, 21, 0, 0), + /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */ + GATE(CLK_GOUT_GPIO_CORE_PCLK, "gout_gpio_core_pclk", "dout_core_busp", + CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK, 21, CLK_IGNORE_UNUSED, 0), + GATE(CLK_GOUT_SYSREG_CORE_PCLK, "gout_sysreg_core_pclk", + "dout_core_busp", + CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK, 21, 0, 0), }; static const struct samsung_cmu_info core_cmu_info __initconst = { @@ -742,8 +977,10 @@ static const struct samsung_div_clock dpu_div_clks[] __initconst = { }; static const struct samsung_gate_clock dpu_gate_clks[] __initconst = { + /* TODO: Should be enabled in DSIM driver */ GATE(CLK_GOUT_DPU_CMU_DPU_PCLK, "gout_dpu_cmu_dpu_pclk", - "dout_dpu_busp", CLK_CON_GAT_CLK_DPU_CMU_DPU_PCLK, 21, 0, 0), + "dout_dpu_busp", + CLK_CON_GAT_CLK_DPU_CMU_DPU_PCLK, 21, CLK_IGNORE_UNUSED, 0), GATE(CLK_GOUT_DPU_DECON0_ACLK, "gout_dpu_decon0_aclk", "mout_dpu_user", CLK_CON_GAT_GOUT_DPU_ACLK_DECON0, 21, 0, 0), GATE(CLK_GOUT_DPU_DMA_ACLK, "gout_dpu_dma_aclk", "mout_dpu_user", @@ -779,37 +1016,24 @@ static int __init exynos850_cmu_probe(struct platform_device *pdev) { const struct samsung_cmu_info *info; struct device *dev = &pdev->dev; - struct device_node *np = dev->of_node; info = of_device_get_match_data(dev); - exynos850_init_clocks(np, info->clk_regs, info->nr_clk_regs); - samsung_cmu_register_one(np, info); - - /* Keep bus clock running, so it's possible to access CMU registers */ - if (info->clk_name) { - struct clk *bus_clk; - - bus_clk = clk_get(dev, info->clk_name); - if (IS_ERR(bus_clk)) { - pr_err("%s: could not find bus clock %s; err = %ld\n", - __func__, info->clk_name, PTR_ERR(bus_clk)); - } else { - clk_prepare_enable(bus_clk); - } - } + exynos_arm64_register_cmu(dev, dev->of_node, info); return 0; } -/* CMUs which belong to Power Domains and need runtime PM to be implemented */ static const struct of_device_id exynos850_cmu_of_match[] = { { + .compatible = "samsung,exynos850-cmu-apm", + .data = &apm_cmu_info, + }, { + .compatible = "samsung,exynos850-cmu-cmgp", + .data = &cmgp_cmu_info, + }, { .compatible = "samsung,exynos850-cmu-hsi", .data = &hsi_cmu_info, }, { - .compatible = "samsung,exynos850-cmu-peri", - .data = &peri_cmu_info, - }, { .compatible = "samsung,exynos850-cmu-core", .data = &core_cmu_info, }, { |