diff options
Diffstat (limited to 'drivers/clk/samsung')
| -rw-r--r-- | drivers/clk/samsung/clk-cpu.c | 6 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-cpu.h | 2 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos-audss.c | 1 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos3250.c | 1 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos4.c | 226 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5250.c | 42 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5420.c | 76 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5433.c | 33 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s3c2410.c | 43 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s3c2412.c | 43 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s3c2443.c | 43 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s3c64xx.c | 66 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s5pv210.c | 41 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk.c | 23 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk.h | 18 |
15 files changed, 103 insertions, 561 deletions
diff --git a/drivers/clk/samsung/clk-cpu.c b/drivers/clk/samsung/clk-cpu.c index d2c99d8916b8..a5fddebbe530 100644 --- a/drivers/clk/samsung/clk-cpu.c +++ b/drivers/clk/samsung/clk-cpu.c @@ -152,7 +152,7 @@ static int exynos_cpuclk_pre_rate_change(struct clk_notifier_data *ndata, struct exynos_cpuclk *cpuclk, void __iomem *base) { const struct exynos_cpuclk_cfg_data *cfg_data = cpuclk->cfg; - unsigned long alt_prate = clk_get_rate(cpuclk->alt_parent); + unsigned long alt_prate = clk_hw_get_rate(cpuclk->alt_parent); unsigned long alt_div = 0, alt_div_mask = DIV_MASK; unsigned long div0, div1 = 0, mux_reg; unsigned long flags; @@ -280,7 +280,7 @@ static int exynos5433_cpuclk_pre_rate_change(struct clk_notifier_data *ndata, struct exynos_cpuclk *cpuclk, void __iomem *base) { const struct exynos_cpuclk_cfg_data *cfg_data = cpuclk->cfg; - unsigned long alt_prate = clk_get_rate(cpuclk->alt_parent); + unsigned long alt_prate = clk_hw_get_rate(cpuclk->alt_parent); unsigned long alt_div = 0, alt_div_mask = DIV_MASK; unsigned long div0, div1 = 0, mux_reg; unsigned long flags; @@ -432,7 +432,7 @@ int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx, else cpuclk->clk_nb.notifier_call = exynos_cpuclk_notifier_cb; - cpuclk->alt_parent = __clk_lookup(alt_parent); + cpuclk->alt_parent = __clk_get_hw(__clk_lookup(alt_parent)); if (!cpuclk->alt_parent) { pr_err("%s: could not lookup alternate parent %s\n", __func__, alt_parent); diff --git a/drivers/clk/samsung/clk-cpu.h b/drivers/clk/samsung/clk-cpu.h index d4b6b517fe1b..bd38c6aa3897 100644 --- a/drivers/clk/samsung/clk-cpu.h +++ b/drivers/clk/samsung/clk-cpu.h @@ -49,7 +49,7 @@ struct exynos_cpuclk_cfg_data { */ struct exynos_cpuclk { struct clk_hw hw; - struct clk *alt_parent; + struct clk_hw *alt_parent; void __iomem *ctrl_base; spinlock_t *lock; const struct exynos_cpuclk_cfg_data *cfg; diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c index f659c5cbf1d5..8f8a0f9fc842 100644 --- a/drivers/clk/samsung/clk-exynos-audss.c +++ b/drivers/clk/samsung/clk-exynos-audss.c @@ -15,7 +15,6 @@ #include <linux/clk-provider.h> #include <linux/of_address.h> #include <linux/of_device.h> -#include <linux/syscore_ops.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> diff --git a/drivers/clk/samsung/clk-exynos3250.c b/drivers/clk/samsung/clk-exynos3250.c index 27c9d23657b3..0e9a41a4cac8 100644 --- a/drivers/clk/samsung/clk-exynos3250.c +++ b/drivers/clk/samsung/clk-exynos3250.c @@ -12,7 +12,6 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/platform_device.h> -#include <linux/syscore_ops.h> #include <dt-bindings/clock/exynos3250.h> diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 0421960eb963..59d4d46667ce 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -16,7 +16,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include "clk.h" #include "clk-cpu.h" @@ -123,10 +122,6 @@ #define CLKOUT_CMU_CPU 0x14a00 #define PWR_CTRL1 0x15020 #define E4X12_PWR_CTRL2 0x15024 -#define E4X12_DIV_ISP0 0x18300 -#define E4X12_DIV_ISP1 0x18304 -#define E4X12_GATE_ISP0 0x18800 -#define E4X12_GATE_ISP1 0x18804 /* Below definitions are used for PWR_CTRL settings */ #define PWR_CTRL1_CORE2_DOWN_RATIO(x) (((x) & 0x7) << 28) @@ -158,14 +153,6 @@ static void __iomem *reg_base; static enum exynos4_soc exynos4_soc; /* - * Support for CMU save/restore across system suspends - */ -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *exynos4_save_common; -static struct samsung_clk_reg_dump *exynos4_save_soc; -static struct samsung_clk_reg_dump *exynos4_save_pll; - -/* * list of controller registers to be saved and restored during a * suspend/resume cycle. */ @@ -192,7 +179,7 @@ static const unsigned long exynos4x12_clk_save[] __initconst = { E4X12_PWR_CTRL2, }; -static const unsigned long exynos4_clk_pll_regs[] __initconst = { +static const unsigned long exynos4_clk_regs[] __initconst = { EPLL_LOCK, VPLL_LOCK, EPLL_CON0, @@ -201,9 +188,6 @@ static const unsigned long exynos4_clk_pll_regs[] __initconst = { VPLL_CON0, VPLL_CON1, VPLL_CON2, -}; - -static const unsigned long exynos4_clk_regs[] __initconst = { SRC_LEFTBUS, DIV_LEFTBUS, GATE_IP_LEFTBUS, @@ -276,6 +260,8 @@ static const unsigned long exynos4_clk_regs[] __initconst = { }; static const struct samsung_clk_reg_dump src_mask_suspend[] = { + { .offset = VPLL_CON0, .value = 0x80600302, }, + { .offset = EPLL_CON0, .value = 0x806F0302, }, { .offset = SRC_MASK_TOP, .value = 0x00000001, }, { .offset = SRC_MASK_CAM, .value = 0x11111111, }, { .offset = SRC_MASK_TV, .value = 0x00000111, }, @@ -291,123 +277,6 @@ static const struct samsung_clk_reg_dump src_mask_suspend_e4210[] = { { .offset = E4210_SRC_MASK_LCD1, .value = 0x00001111, }, }; -#define PLL_ENABLED (1 << 31) -#define PLL_LOCKED (1 << 29) - -static void exynos4_clk_enable_pll(u32 reg) -{ - u32 pll_con = readl(reg_base + reg); - pll_con |= PLL_ENABLED; - writel(pll_con, reg_base + reg); - - while (!(pll_con & PLL_LOCKED)) { - cpu_relax(); - pll_con = readl(reg_base + reg); - } -} - -static void exynos4_clk_wait_for_pll(u32 reg) -{ - u32 pll_con; - - pll_con = readl(reg_base + reg); - if (!(pll_con & PLL_ENABLED)) - return; - - while (!(pll_con & PLL_LOCKED)) { - cpu_relax(); - pll_con = readl(reg_base + reg); - } -} - -static int exynos4_clk_suspend(void) -{ - samsung_clk_save(reg_base, exynos4_save_common, - ARRAY_SIZE(exynos4_clk_regs)); - samsung_clk_save(reg_base, exynos4_save_pll, - ARRAY_SIZE(exynos4_clk_pll_regs)); - - exynos4_clk_enable_pll(EPLL_CON0); - exynos4_clk_enable_pll(VPLL_CON0); - - if (exynos4_soc == EXYNOS4210) { - samsung_clk_save(reg_base, exynos4_save_soc, - ARRAY_SIZE(exynos4210_clk_save)); - samsung_clk_restore(reg_base, src_mask_suspend_e4210, - ARRAY_SIZE(src_mask_suspend_e4210)); - } else { - samsung_clk_save(reg_base, exynos4_save_soc, - ARRAY_SIZE(exynos4x12_clk_save)); - } - - samsung_clk_restore(reg_base, src_mask_suspend, - ARRAY_SIZE(src_mask_suspend)); - - return 0; -} - -static void exynos4_clk_resume(void) -{ - samsung_clk_restore(reg_base, exynos4_save_pll, - ARRAY_SIZE(exynos4_clk_pll_regs)); - - exynos4_clk_wait_for_pll(EPLL_CON0); - exynos4_clk_wait_for_pll(VPLL_CON0); - - samsung_clk_restore(reg_base, exynos4_save_common, - ARRAY_SIZE(exynos4_clk_regs)); - - if (exynos4_soc == EXYNOS4210) - samsung_clk_restore(reg_base, exynos4_save_soc, - ARRAY_SIZE(exynos4210_clk_save)); - else - samsung_clk_restore(reg_base, exynos4_save_soc, - ARRAY_SIZE(exynos4x12_clk_save)); -} - -static struct syscore_ops exynos4_clk_syscore_ops = { - .suspend = exynos4_clk_suspend, - .resume = exynos4_clk_resume, -}; - -static void __init exynos4_clk_sleep_init(void) -{ - exynos4_save_common = samsung_clk_alloc_reg_dump(exynos4_clk_regs, - ARRAY_SIZE(exynos4_clk_regs)); - if (!exynos4_save_common) - goto err_warn; - - if (exynos4_soc == EXYNOS4210) - exynos4_save_soc = samsung_clk_alloc_reg_dump( - exynos4210_clk_save, - ARRAY_SIZE(exynos4210_clk_save)); - else - exynos4_save_soc = samsung_clk_alloc_reg_dump( - exynos4x12_clk_save, - ARRAY_SIZE(exynos4x12_clk_save)); - if (!exynos4_save_soc) - goto err_common; - - exynos4_save_pll = samsung_clk_alloc_reg_dump(exynos4_clk_pll_regs, - ARRAY_SIZE(exynos4_clk_pll_regs)); - if (!exynos4_save_pll) - goto err_soc; - - register_syscore_ops(&exynos4_clk_syscore_ops); - return; - -err_soc: - kfree(exynos4_save_soc); -err_common: - kfree(exynos4_save_common); -err_warn: - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); -} -#else -static void __init exynos4_clk_sleep_init(void) {} -#endif - /* list of all parent clock list */ PNAME(mout_apll_p) = { "fin_pll", "fout_apll", }; PNAME(mout_mpll_p) = { "fin_pll", "fout_mpll", }; @@ -841,18 +710,6 @@ static const struct samsung_div_clock exynos4x12_div_clks[] __initconst = { DIV(0, "div_c2c_aclk", "div_c2c", DIV_DMC1, 12, 3), }; -static struct samsung_div_clock exynos4x12_isp_div_clks[] = { - DIV_F(CLK_DIV_ISP0, "div_isp0", "aclk200", E4X12_DIV_ISP0, 0, 3, - CLK_GET_RATE_NOCACHE, 0), - DIV_F(CLK_DIV_ISP1, "div_isp1", "aclk200", E4X12_DIV_ISP0, 4, 3, - CLK_GET_RATE_NOCACHE, 0), - DIV(0, "div_mpwm", "div_isp1", E4X12_DIV_ISP1, 0, 3), - DIV_F(CLK_DIV_MCUISP0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1, - 4, 3, CLK_GET_RATE_NOCACHE, 0), - DIV_F(CLK_DIV_MCUISP1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1, - 8, 3, CLK_GET_RATE_NOCACHE, 0), -}; - /* list of gate clocks supported in all exynos4 soc's */ static const struct samsung_gate_clock exynos4_gate_clks[] __initconst = { GATE(CLK_PPMULEFT, "ppmuleft", "aclk200", GATE_IP_LEFTBUS, 1, 0, 0), @@ -1150,61 +1007,6 @@ static const struct samsung_gate_clock exynos4x12_gate_clks[] __initconst = { 0), }; -static struct samsung_gate_clock exynos4x12_isp_gate_clks[] = { - GATE(CLK_FIMC_ISP, "isp", "aclk200", E4X12_GATE_ISP0, 0, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_FIMC_DRC, "drc", "aclk200", E4X12_GATE_ISP0, 1, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_FIMC_FD, "fd", "aclk200", E4X12_GATE_ISP0, 2, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_FIMC_LITE0, "lite0", "aclk200", E4X12_GATE_ISP0, 3, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_FIMC_LITE1, "lite1", "aclk200", E4X12_GATE_ISP0, 4, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_MCUISP, "mcuisp", "aclk200", E4X12_GATE_ISP0, 5, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_GICISP, "gicisp", "aclk200", E4X12_GATE_ISP0, 7, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_SMMU_ISP, "smmu_isp", "aclk200", E4X12_GATE_ISP0, 8, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_SMMU_DRC, "smmu_drc", "aclk200", E4X12_GATE_ISP0, 9, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_SMMU_FD, "smmu_fd", "aclk200", E4X12_GATE_ISP0, 10, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_SMMU_LITE0, "smmu_lite0", "aclk200", E4X12_GATE_ISP0, 11, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_SMMU_LITE1, "smmu_lite1", "aclk200", E4X12_GATE_ISP0, 12, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_PPMUISPMX, "ppmuispmx", "aclk200", E4X12_GATE_ISP0, 20, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_PPMUISPX, "ppmuispx", "aclk200", E4X12_GATE_ISP0, 21, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_MCUCTL_ISP, "mcuctl_isp", "aclk200", E4X12_GATE_ISP0, 23, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_MPWM_ISP, "mpwm_isp", "aclk200", E4X12_GATE_ISP0, 24, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_I2C0_ISP, "i2c0_isp", "aclk200", E4X12_GATE_ISP0, 25, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_I2C1_ISP, "i2c1_isp", "aclk200", E4X12_GATE_ISP0, 26, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_MTCADC_ISP, "mtcadc_isp", "aclk200", E4X12_GATE_ISP0, 27, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_PWM_ISP, "pwm_isp", "aclk200", E4X12_GATE_ISP0, 28, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_WDT_ISP, "wdt_isp", "aclk200", E4X12_GATE_ISP0, 30, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_UART_ISP, "uart_isp", "aclk200", E4X12_GATE_ISP0, 31, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_ASYNCAXIM, "asyncaxim", "aclk200", E4X12_GATE_ISP1, 0, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_SMMU_ISPCX, "smmu_ispcx", "aclk200", E4X12_GATE_ISP1, 4, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_SPI0_ISP, "spi0_isp", "aclk200", E4X12_GATE_ISP1, 12, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_SPI1_ISP, "spi1_isp", "aclk200", E4X12_GATE_ISP1, 13, - CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), -}; - /* * The parent of the fin_pll clock is selected by the XOM[0] bit. This bit * resides in chipid register space, outside of the clock controller memory @@ -1504,8 +1306,6 @@ static void __init exynos4_clk_init(struct device_node *np, e4210_armclk_d, ARRAY_SIZE(e4210_armclk_d), CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); } else { - struct resource res; - samsung_clk_register_mux(ctx, exynos4x12_mux_clks, ARRAY_SIZE(exynos4x12_mux_clks)); samsung_clk_register_div(ctx, exynos4x12_div_clks, @@ -1516,14 +1316,6 @@ static void __init exynos4_clk_init(struct device_node *np, exynos4x12_fixed_factor_clks, ARRAY_SIZE(exynos4x12_fixed_factor_clks)); - of_address_to_resource(np, 0, &res); - if (resource_size(&res) > 0x18000) { - samsung_clk_register_div(ctx, exynos4x12_isp_div_clks, - ARRAY_SIZE(exynos4x12_isp_div_clks)); - samsung_clk_register_gate(ctx, exynos4x12_isp_gate_clks, - ARRAY_SIZE(exynos4x12_isp_gate_clks)); - } - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", mout_core_p4x12[0], mout_core_p4x12[1], 0x14200, e4412_armclk_d, ARRAY_SIZE(e4412_armclk_d), @@ -1532,7 +1324,17 @@ static void __init exynos4_clk_init(struct device_node *np, if (soc == EXYNOS4X12) exynos4x12_core_down_clock(); - exynos4_clk_sleep_init(); + + samsung_clk_extended_sleep_init(reg_base, + exynos4_clk_regs, ARRAY_SIZE(exynos4_clk_regs), + src_mask_suspend, ARRAY_SIZE(src_mask_suspend)); + if (exynos4_soc == EXYNOS4210) + samsung_clk_extended_sleep_init(reg_base, + exynos4210_clk_save, ARRAY_SIZE(exynos4210_clk_save), + src_mask_suspend_e4210, ARRAY_SIZE(src_mask_suspend_e4210)); + else + samsung_clk_sleep_init(reg_base, exynos4x12_clk_save, + ARRAY_SIZE(exynos4x12_clk_save)); samsung_clk_of_add_provider(np, ctx); diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index 347fd80c351b..f14139bcb0c1 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -14,7 +14,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include "clk.h" #include "clk-cpu.h" @@ -111,9 +110,6 @@ enum exynos5250_plls { static void __iomem *reg_base; -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *exynos5250_save; - /* * list of controller registers to be saved and restored during a * suspend/resume cycle. @@ -172,41 +168,6 @@ static const unsigned long exynos5250_clk_regs[] __initconst = { GATE_IP_ISP1, }; -static int exynos5250_clk_suspend(void) -{ - samsung_clk_save(reg_base, exynos5250_save, - ARRAY_SIZE(exynos5250_clk_regs)); - - return 0; -} - -static void exynos5250_clk_resume(void) -{ - samsung_clk_restore(reg_base, exynos5250_save, - ARRAY_SIZE(exynos5250_clk_regs)); -} - -static struct syscore_ops exynos5250_clk_syscore_ops = { - .suspend = exynos5250_clk_suspend, - .resume = exynos5250_clk_resume, -}; - -static void __init exynos5250_clk_sleep_init(void) -{ - exynos5250_save = samsung_clk_alloc_reg_dump(exynos5250_clk_regs, - ARRAY_SIZE(exynos5250_clk_regs)); - if (!exynos5250_save) { - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); - return; - } - - register_syscore_ops(&exynos5250_clk_syscore_ops); -} -#else -static void __init exynos5250_clk_sleep_init(void) {} -#endif - /* list of all parent clock list */ PNAME(mout_apll_p) = { "fin_pll", "fout_apll", }; PNAME(mout_cpu_p) = { "mout_apll", "mout_mpll", }; @@ -882,7 +843,8 @@ static void __init exynos5250_clk_init(struct device_node *np) PWR_CTRL2_CORE2_UP_RATIO | PWR_CTRL2_CORE1_UP_RATIO); __raw_writel(tmp, reg_base + PWR_CTRL2); - exynos5250_clk_sleep_init(); + samsung_clk_sleep_init(reg_base, exynos5250_clk_regs, + ARRAY_SIZE(exynos5250_clk_regs)); exynos5_subcmus_init(ctx, 1, &exynos5250_disp_subcmu); samsung_clk_of_add_provider(np, ctx); diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 95e1bf69449b..34cce3c5898f 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -15,7 +15,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include "clk.h" #include "clk-cpu.h" @@ -156,10 +155,6 @@ enum exynos5x_plls { static void __iomem *reg_base; static enum exynos5x_soc exynos5x_soc; -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *exynos5x_save; -static struct samsung_clk_reg_dump *exynos5800_save; - /* * list of controller registers to be saved and restored during a * suspend/resume cycle. @@ -281,68 +276,9 @@ static const struct samsung_clk_reg_dump exynos5420_set_clksrc[] = { { .offset = GATE_BUS_TOP, .value = 0xffffffff, }, { .offset = GATE_BUS_DISP1, .value = 0xffffffff, }, { .offset = GATE_IP_PERIC, .value = 0xffffffff, }, + { .offset = GATE_IP_PERIS, .value = 0xffffffff, }, }; -static int exynos5420_clk_suspend(void) -{ - samsung_clk_save(reg_base, exynos5x_save, - ARRAY_SIZE(exynos5x_clk_regs)); - - if (exynos5x_soc == EXYNOS5800) - samsung_clk_save(reg_base, exynos5800_save, - ARRAY_SIZE(exynos5800_clk_regs)); - - samsung_clk_restore(reg_base, exynos5420_set_clksrc, - ARRAY_SIZE(exynos5420_set_clksrc)); - - return 0; -} - -static void exynos5420_clk_resume(void) -{ - samsung_clk_restore(reg_base, exynos5x_save, - ARRAY_SIZE(exynos5x_clk_regs)); - - if (exynos5x_soc == EXYNOS5800) - samsung_clk_restore(reg_base, exynos5800_save, - ARRAY_SIZE(exynos5800_clk_regs)); -} - -static struct syscore_ops exynos5420_clk_syscore_ops = { - .suspend = exynos5420_clk_suspend, - .resume = exynos5420_clk_resume, -}; - -static void __init exynos5420_clk_sleep_init(void) -{ - exynos5x_save = samsung_clk_alloc_reg_dump(exynos5x_clk_regs, - ARRAY_SIZE(exynos5x_clk_regs)); - if (!exynos5x_save) { - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); - return; - } - - if (exynos5x_soc == EXYNOS5800) { - exynos5800_save = - samsung_clk_alloc_reg_dump(exynos5800_clk_regs, - ARRAY_SIZE(exynos5800_clk_regs)); - if (!exynos5800_save) - goto err_soc; - } - - register_syscore_ops(&exynos5420_clk_syscore_ops); - return; -err_soc: - kfree(exynos5x_save); - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); - return; -} -#else -static void __init exynos5420_clk_sleep_init(void) {} -#endif - /* list of all parent clocks */ PNAME(mout_mspll_cpu_p) = {"mout_sclk_cpll", "mout_sclk_dpll", "mout_sclk_mpll", "mout_sclk_spll"}; @@ -633,6 +569,7 @@ static const struct samsung_div_clock exynos5420_div_clks[] __initconst = { }; static const struct samsung_gate_clock exynos5420_gate_clks[] __initconst = { + GATE(CLK_SECKEY, "seckey", "aclk66_psgen", GATE_BUS_PERIS1, 1, 0, 0), GATE(CLK_MAU_EPLL, "mau_epll", "mout_mau_epll_clk", SRC_MASK_TOP7, 20, CLK_SET_RATE_PARENT, 0), }; @@ -1162,8 +1099,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(CLK_TMU, "tmu", "aclk66_psgen", GATE_IP_PERIS, 21, 0, 0), GATE(CLK_TMU_GPU, "tmu_gpu", "aclk66_psgen", GATE_IP_PERIS, 22, 0, 0), - GATE(CLK_SECKEY, "seckey", "aclk66_psgen", GATE_BUS_PERIS1, 1, 0, 0), - /* GEN Block */ GATE(CLK_ROTATOR, "rotator", "mout_user_aclk266", GATE_IP_GEN, 1, 0, 0), GATE(CLK_JPEG, "jpeg", "aclk300_jpeg", GATE_IP_GEN, 2, 0, 0), @@ -1540,7 +1475,12 @@ static void __init exynos5x_clk_init(struct device_node *np, mout_kfc_p[0], mout_kfc_p[1], 0x28200, exynos5420_kfcclk_d, ARRAY_SIZE(exynos5420_kfcclk_d), 0); - exynos5420_clk_sleep_init(); + samsung_clk_extended_sleep_init(reg_base, + exynos5x_clk_regs, ARRAY_SIZE(exynos5x_clk_regs), + exynos5420_set_clksrc, ARRAY_SIZE(exynos5420_set_clksrc)); + if (soc == EXYNOS5800) + samsung_clk_sleep_init(reg_base, exynos5800_clk_regs, + ARRAY_SIZE(exynos5800_clk_regs)); exynos5_subcmus_init(ctx, ARRAY_SIZE(exynos5x_subcmus), exynos5x_subcmus); diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 162de44df099..751e2c4fb65b 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -177,6 +177,17 @@ static const unsigned long top_clk_regs[] __initconst = { ENABLE_CMU_TOP_DIV_STAT, }; +static const struct samsung_clk_reg_dump top_suspend_regs[] = { + /* force all aclk clocks enabled */ + { ENABLE_ACLK_TOP, 0x67ecffed }, + /* force all sclk_uart clocks enabled */ + { ENABLE_SCLK_TOP_PERIC, 0x38 }, + /* ISP PLL has to be enabled for suspend: reset value + ENABLE bit */ + { ISP_PLL_CON0, 0x85cc0502 }, + /* ISP PLL has to be enabled for suspend: reset value + ENABLE bit */ + { AUD_PLL_CON0, 0x84830202 }, +}; + /* list of all parent clock list */ PNAME(mout_aud_pll_p) = { "oscclk", "fout_aud_pll", }; PNAME(mout_isp_pll_p) = { "oscclk", "fout_isp_pll", }; @@ -792,6 +803,8 @@ static const struct samsung_cmu_info top_cmu_info __initconst = { .nr_clk_ids = TOP_NR_CLK, .clk_regs = top_clk_regs, .nr_clk_regs = ARRAY_SIZE(top_clk_regs), + .suspend_regs = top_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(top_suspend_regs), }; static void __init exynos5433_cmu_top_init(struct device_node *np) @@ -822,6 +835,13 @@ static const unsigned long cpif_clk_regs[] __initconst = { ENABLE_SCLK_CPIF, }; +static const struct samsung_clk_reg_dump cpif_suspend_regs[] = { + /* force all sclk clocks enabled */ + { ENABLE_SCLK_CPIF, 0x3ff }, + /* MPHY PLL has to be enabled for suspend: reset value + ENABLE bit */ + { MPHY_PLL_CON0, 0x81c70601 }, +}; + /* list of all parent clock list */ PNAME(mout_mphy_pll_p) = { "oscclk", "fout_mphy_pll", }; @@ -862,6 +882,8 @@ static const struct samsung_cmu_info cpif_cmu_info __initconst = { .nr_clk_ids = CPIF_NR_CLK, .clk_regs = cpif_clk_regs, .nr_clk_regs = ARRAY_SIZE(cpif_clk_regs), + .suspend_regs = cpif_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(cpif_suspend_regs), }; static void __init exynos5433_cmu_cpif_init(struct device_node *np) @@ -1547,6 +1569,13 @@ static const unsigned long peric_clk_regs[] __initconst = { ENABLE_IP_PERIC2, }; +static const struct samsung_clk_reg_dump peric_suspend_regs[] = { + /* pclk: sci, pmu, sysreg, gpio_{finger, ese, touch, nfc}, uart2-0 */ + { ENABLE_PCLK_PERIC0, 0xe00ff000 }, + /* sclk: uart2-0 */ + { ENABLE_SCLK_PERIC, 0x7 }, +}; + static const struct samsung_div_clock peric_div_clks[] __initconst = { /* DIV_PERIC */ DIV(CLK_DIV_SCLK_SCI, "div_sclk_sci", "oscclk", DIV_PERIC, 4, 4), @@ -1705,6 +1734,8 @@ static const struct samsung_cmu_info peric_cmu_info __initconst = { .nr_clk_ids = PERIC_NR_CLK, .clk_regs = peric_clk_regs, .nr_clk_regs = ARRAY_SIZE(peric_clk_regs), + .suspend_regs = peric_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(peric_suspend_regs), }; static void __init exynos5433_cmu_peric_init(struct device_node *np) @@ -5630,7 +5661,7 @@ static const struct of_device_id exynos5433_cmu_of_match[] = { static const struct dev_pm_ops exynos5433_cmu_pm_ops = { SET_RUNTIME_PM_OPS(exynos5433_cmu_suspend, exynos5433_cmu_resume, NULL) - SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) }; diff --git a/drivers/clk/samsung/clk-s3c2410.c b/drivers/clk/samsung/clk-s3c2410.c index a9c887475054..8cb868f06257 100644 --- a/drivers/clk/samsung/clk-s3c2410.c +++ b/drivers/clk/samsung/clk-s3c2410.c @@ -11,7 +11,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include <dt-bindings/clock/s3c2410.h> @@ -40,9 +39,6 @@ enum s3c2410_plls { static void __iomem *reg_base; -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *s3c2410_save; - /* * list of controller registers to be saved and restored during a * suspend/resume cycle. @@ -57,42 +53,6 @@ static unsigned long s3c2410_clk_regs[] __initdata = { CAMDIVN, }; -static int s3c2410_clk_suspend(void) -{ - samsung_clk_save(reg_base, s3c2410_save, - ARRAY_SIZE(s3c2410_clk_regs)); - - return 0; -} - -static void s3c2410_clk_resume(void) -{ - samsung_clk_restore(reg_base, s3c2410_save, - ARRAY_SIZE(s3c2410_clk_regs)); -} - -static struct syscore_ops s3c2410_clk_syscore_ops = { - .suspend = s3c2410_clk_suspend, - .resume = s3c2410_clk_resume, -}; - -static void __init s3c2410_clk_sleep_init(void) -{ - s3c2410_save = samsung_clk_alloc_reg_dump(s3c2410_clk_regs, - ARRAY_SIZE(s3c2410_clk_regs)); - if (!s3c2410_save) { - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); - return; - } - - register_syscore_ops(&s3c2410_clk_syscore_ops); - return; -} -#else -static void __init s3c2410_clk_sleep_init(void) {} -#endif - PNAME(fclk_p) = { "mpll", "div_slow" }; static struct samsung_mux_clock s3c2410_common_muxes[] __initdata = { @@ -461,7 +421,8 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, ARRAY_SIZE(s3c244x_common_aliases)); } - s3c2410_clk_sleep_init(); + samsung_clk_sleep_init(reg_base, s3c2410_clk_regs, + ARRAY_SIZE(s3c2410_clk_regs)); samsung_clk_of_add_provider(np, ctx); } diff --git a/drivers/clk/samsung/clk-s3c2412.c b/drivers/clk/samsung/clk-s3c2412.c index 6bc94d3aff78..dd1159050a5a 100644 --- a/drivers/clk/samsung/clk-s3c2412.c +++ b/drivers/clk/samsung/clk-s3c2412.c @@ -11,7 +11,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include <linux/reboot.h> #include <dt-bindings/clock/s3c2412.h> @@ -29,9 +28,6 @@ static void __iomem *reg_base; -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *s3c2412_save; - /* * list of controller registers to be saved and restored during a * suspend/resume cycle. @@ -45,42 +41,6 @@ static unsigned long s3c2412_clk_regs[] __initdata = { CLKSRC, }; -static int s3c2412_clk_suspend(void) -{ - samsung_clk_save(reg_base, s3c2412_save, - ARRAY_SIZE(s3c2412_clk_regs)); - - return 0; -} - -static void s3c2412_clk_resume(void) -{ - samsung_clk_restore(reg_base, s3c2412_save, - ARRAY_SIZE(s3c2412_clk_regs)); -} - -static struct syscore_ops s3c2412_clk_syscore_ops = { - .suspend = s3c2412_clk_suspend, - .resume = s3c2412_clk_resume, -}; - -static void __init s3c2412_clk_sleep_init(void) -{ - s3c2412_save = samsung_clk_alloc_reg_dump(s3c2412_clk_regs, - ARRAY_SIZE(s3c2412_clk_regs)); - if (!s3c2412_save) { - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); - return; - } - - register_syscore_ops(&s3c2412_clk_syscore_ops); - return; -} -#else -static void __init s3c2412_clk_sleep_init(void) {} -#endif - static struct clk_div_table divxti_d[] = { { .val = 0, .div = 1 }, { .val = 1, .div = 2 }, @@ -278,7 +238,8 @@ void __init s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, samsung_clk_register_alias(ctx, s3c2412_aliases, ARRAY_SIZE(s3c2412_aliases)); - s3c2412_clk_sleep_init(); + samsung_clk_sleep_init(reg_base, s3c2412_clk_regs, + ARRAY_SIZE(s3c2412_clk_regs)); samsung_clk_of_add_provider(np, ctx); diff --git a/drivers/clk/samsung/clk-s3c2443.c b/drivers/clk/samsung/clk-s3c2443.c index c46e6d5bc9bc..884067e4f1a1 100644 --- a/drivers/clk/samsung/clk-s3c2443.c +++ b/drivers/clk/samsung/clk-s3c2443.c @@ -11,7 +11,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include <linux/reboot.h> #include <dt-bindings/clock/s3c2443.h> @@ -43,9 +42,6 @@ enum supported_socs { static void __iomem *reg_base; -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *s3c2443_save; - /* * list of controller registers to be saved and restored during a * suspend/resume cycle. @@ -65,42 +61,6 @@ static unsigned long s3c2443_clk_regs[] __initdata = { SCLKCON, }; -static int s3c2443_clk_suspend(void) -{ - samsung_clk_save(reg_base, s3c2443_save, - ARRAY_SIZE(s3c2443_clk_regs)); - - return 0; -} - -static void s3c2443_clk_resume(void) -{ - samsung_clk_restore(reg_base, s3c2443_save, - ARRAY_SIZE(s3c2443_clk_regs)); -} - -static struct syscore_ops s3c2443_clk_syscore_ops = { - .suspend = s3c2443_clk_suspend, - .resume = s3c2443_clk_resume, -}; - -static void __init s3c2443_clk_sleep_init(void) -{ - s3c2443_save = samsung_clk_alloc_reg_dump(s3c2443_clk_regs, - ARRAY_SIZE(s3c2443_clk_regs)); - if (!s3c2443_save) { - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); - return; - } - - register_syscore_ops(&s3c2443_clk_syscore_ops); - return; -} -#else -static void __init s3c2443_clk_sleep_init(void) {} -#endif - PNAME(epllref_p) = { "mpllref", "mpllref", "xti", "ext" }; PNAME(esysclk_p) = { "epllref", "epll" }; PNAME(mpllref_p) = { "xti", "mdivclk" }; @@ -450,7 +410,8 @@ void __init s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f, break; } - s3c2443_clk_sleep_init(); + samsung_clk_sleep_init(reg_base, s3c2443_clk_regs, + ARRAY_SIZE(s3c2443_clk_regs)); samsung_clk_of_add_provider(np, ctx); diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c index 6db01cf5ab83..54916c7bdb06 100644 --- a/drivers/clk/samsung/clk-s3c64xx.c +++ b/drivers/clk/samsung/clk-s3c64xx.c @@ -12,7 +12,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include <dt-bindings/clock/samsung,s3c64xx-clock.h> @@ -59,10 +58,6 @@ static void __iomem *reg_base; static bool is_s3c6400; -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *s3c64xx_save_common; -static struct samsung_clk_reg_dump *s3c64xx_save_soc; - /* * List of controller registers to be saved and restored during * a suspend/resume cycle. @@ -89,60 +84,6 @@ static unsigned long s3c6410_clk_regs[] __initdata = { MEM0_GATE, }; -static int s3c64xx_clk_suspend(void) -{ - samsung_clk_save(reg_base, s3c64xx_save_common, - ARRAY_SIZE(s3c64xx_clk_regs)); - - if (!is_s3c6400) - samsung_clk_save(reg_base, s3c64xx_save_soc, - ARRAY_SIZE(s3c6410_clk_regs)); - - return 0; -} - -static void s3c64xx_clk_resume(void) -{ - samsung_clk_restore(reg_base, s3c64xx_save_common, - ARRAY_SIZE(s3c64xx_clk_regs)); - - if (!is_s3c6400) - samsung_clk_restore(reg_base, s3c64xx_save_soc, - ARRAY_SIZE(s3c6410_clk_regs)); -} - -static struct syscore_ops s3c64xx_clk_syscore_ops = { - .suspend = s3c64xx_clk_suspend, - .resume = s3c64xx_clk_resume, -}; - -static void __init s3c64xx_clk_sleep_init(void) -{ - s3c64xx_save_common = samsung_clk_alloc_reg_dump(s3c64xx_clk_regs, - ARRAY_SIZE(s3c64xx_clk_regs)); - if (!s3c64xx_save_common) - goto err_warn; - - if (!is_s3c6400) { - s3c64xx_save_soc = samsung_clk_alloc_reg_dump(s3c6410_clk_regs, - ARRAY_SIZE(s3c6410_clk_regs)); - if (!s3c64xx_save_soc) - goto err_soc; - } - - register_syscore_ops(&s3c64xx_clk_syscore_ops); - return; - -err_soc: - kfree(s3c64xx_save_common); -err_warn: - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); -} -#else -static void __init s3c64xx_clk_sleep_init(void) {} -#endif - /* List of parent clocks common for all S3C64xx SoCs. */ PNAME(spi_mmc_p) = { "mout_epll", "dout_mpll", "fin_pll", "clk27m" }; PNAME(uart_p) = { "mout_epll", "dout_mpll" }; @@ -508,7 +449,12 @@ void __init s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f, samsung_clk_register_alias(ctx, s3c64xx_clock_aliases, ARRAY_SIZE(s3c64xx_clock_aliases)); - s3c64xx_clk_sleep_init(); + + samsung_clk_sleep_init(reg_base, s3c64xx_clk_regs, + ARRAY_SIZE(s3c64xx_clk_regs)); + if (!is_s3c6400) + samsung_clk_sleep_init(reg_base, s3c6410_clk_regs, + ARRAY_SIZE(s3c6410_clk_regs)); samsung_clk_of_add_provider(np, ctx); diff --git a/drivers/clk/samsung/clk-s5pv210.c b/drivers/clk/samsung/clk-s5pv210.c index fd2725710a6f..41d2337fe030 100644 --- a/drivers/clk/samsung/clk-s5pv210.c +++ b/drivers/clk/samsung/clk-s5pv210.c @@ -14,7 +14,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include "clk.h" #include "clk-pll.h" @@ -83,9 +82,6 @@ enum { static void __iomem *reg_base; -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *s5pv210_clk_dump; - /* List of registers that need to be preserved across suspend/resume. */ static unsigned long s5pv210_clk_regs[] __initdata = { CLK_SRC0, @@ -132,40 +128,6 @@ static unsigned long s5pv210_clk_regs[] __initdata = { CLK_OUT, }; -static int s5pv210_clk_suspend(void) -{ - samsung_clk_save(reg_base, s5pv210_clk_dump, - ARRAY_SIZE(s5pv210_clk_regs)); - return 0; -} - -static void s5pv210_clk_resume(void) -{ - samsung_clk_restore(reg_base, s5pv210_clk_dump, - ARRAY_SIZE(s5pv210_clk_regs)); -} - -static struct syscore_ops s5pv210_clk_syscore_ops = { - .suspend = s5pv210_clk_suspend, - .resume = s5pv210_clk_resume, -}; - -static void s5pv210_clk_sleep_init(void) -{ - s5pv210_clk_dump = - samsung_clk_alloc_reg_dump(s5pv210_clk_regs, - ARRAY_SIZE(s5pv210_clk_regs)); - if (!s5pv210_clk_dump) { - pr_warn("%s: Failed to allocate sleep save data\n", __func__); - return; - } - - register_syscore_ops(&s5pv210_clk_syscore_ops); -} -#else -static inline void s5pv210_clk_sleep_init(void) { } -#endif - /* Mux parent lists. */ static const char *const fin_pll_p[] __initconst = { "xxti", @@ -822,7 +784,8 @@ static void __init __s5pv210_clk_init(struct device_node *np, samsung_clk_register_alias(ctx, s5pv210_aliases, ARRAY_SIZE(s5pv210_aliases)); - s5pv210_clk_sleep_init(); + samsung_clk_sleep_init(reg_base, s5pv210_clk_regs, + ARRAY_SIZE(s5pv210_clk_regs)); samsung_clk_of_add_provider(np, ctx); diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c index 8634884aa11c..1f6e47cd327d 100644 --- a/drivers/clk/samsung/clk.c +++ b/drivers/clk/samsung/clk.c @@ -290,9 +290,12 @@ static int samsung_clk_suspend(void) { struct samsung_clock_reg_cache *reg_cache; - list_for_each_entry(reg_cache, &clock_reg_cache_list, node) + list_for_each_entry(reg_cache, &clock_reg_cache_list, node) { samsung_clk_save(reg_cache->reg_base, reg_cache->rdump, reg_cache->rd_num); + samsung_clk_restore(reg_cache->reg_base, reg_cache->rsuspend, + reg_cache->rsuspend_num); + } return 0; } @@ -310,9 +313,11 @@ static struct syscore_ops samsung_clk_syscore_ops = { .resume = samsung_clk_resume, }; -void samsung_clk_sleep_init(void __iomem *reg_base, +void samsung_clk_extended_sleep_init(void __iomem *reg_base, const unsigned long *rdump, - unsigned long nr_rdump) + unsigned long nr_rdump, + const struct samsung_clk_reg_dump *rsuspend, + unsigned long nr_rsuspend) { struct samsung_clock_reg_cache *reg_cache; @@ -330,13 +335,10 @@ void samsung_clk_sleep_init(void __iomem *reg_base, reg_cache->reg_base = reg_base; reg_cache->rd_num = nr_rdump; + reg_cache->rsuspend = rsuspend; + reg_cache->rsuspend_num = nr_rsuspend; list_add_tail(®_cache->node, &clock_reg_cache_list); } - -#else -void samsung_clk_sleep_init(void __iomem *reg_base, - const unsigned long *rdump, - unsigned long nr_rdump) {} #endif /* @@ -380,8 +382,9 @@ struct samsung_clk_provider * __init samsung_cmu_register_one( samsung_clk_register_fixed_factor(ctx, cmu->fixed_factor_clks, cmu->nr_fixed_factor_clks); if (cmu->clk_regs) - samsung_clk_sleep_init(reg_base, cmu->clk_regs, - cmu->nr_clk_regs); + samsung_clk_extended_sleep_init(reg_base, + cmu->clk_regs, cmu->nr_clk_regs, + cmu->suspend_regs, cmu->nr_suspend_regs); samsung_clk_of_add_provider(np, ctx); diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h index 3880d2f9d582..c3f309d7100d 100644 --- a/drivers/clk/samsung/clk.h +++ b/drivers/clk/samsung/clk.h @@ -279,6 +279,8 @@ struct samsung_clock_reg_cache { void __iomem *reg_base; struct samsung_clk_reg_dump *rdump; unsigned int rd_num; + const struct samsung_clk_reg_dump *rsuspend; + unsigned int rsuspend_num; }; struct samsung_cmu_info { @@ -358,9 +360,21 @@ extern struct samsung_clk_provider __init *samsung_cmu_register_one( extern unsigned long _get_rate(const char *clk_name); -extern void samsung_clk_sleep_init(void __iomem *reg_base, +#ifdef CONFIG_PM_SLEEP +extern void samsung_clk_extended_sleep_init(void __iomem *reg_base, const unsigned long *rdump, - unsigned long nr_rdump); + unsigned long nr_rdump, + const struct samsung_clk_reg_dump *rsuspend, + unsigned long nr_rsuspend); +#else +static inline void samsung_clk_extended_sleep_init(void __iomem *reg_base, + const unsigned long *rdump, + unsigned long nr_rdump, + const struct samsung_clk_reg_dump *rsuspend, + unsigned long nr_rsuspend) {} +#endif +#define samsung_clk_sleep_init(reg_base, rdump, nr_rdump) \ + samsung_clk_extended_sleep_init(reg_base, rdump, nr_rdump, NULL, 0) extern void samsung_clk_save(void __iomem *base, struct samsung_clk_reg_dump *rd, |