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path: root/drivers/clk/samsung/clk-exynos5433.c
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Diffstat (limited to 'drivers/clk/samsung/clk-exynos5433.c')
-rw-r--r--drivers/clk/samsung/clk-exynos5433.c33
1 files changed, 32 insertions, 1 deletions
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)
};