diff options
Diffstat (limited to 'drivers/clk/samsung/clk-exynos5420.c')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5420.c | 76 |
1 files changed, 8 insertions, 68 deletions
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); |