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Subject[PATCH 2/2] ARM: EXYNOS3250: Add initial support EXYNOS3250 suspend/resume.
Date
It adds data and callback needed for exynos3250's suspend/resume.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
---
arch/arm/mach-exynos/regs-pmu.h | 4 ++++
arch/arm/mach-exynos/suspend.c | 31 +++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+)

diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs-pmu.h
index 322f132..b5125dc1 100644
--- a/arch/arm/mach-exynos/regs-pmu.h
+++ b/arch/arm/mach-exynos/regs-pmu.h
@@ -131,6 +131,10 @@
#define S5P_CORE_LOCAL_PWR_EN 0x3
#define S5P_CORE_WAKEUP_FROM_LOCAL_CFG (0x3 << 8)

+/* Only for EXYNOS3250 */
+#define S5P_PAD_RET_MMCC_OPTION 0x30C8
+#define S5P_PAD_RET_SPI_OPTION 0x31C8
+
/* Only for EXYNOS4210 */
#define S5P_CMU_CLKSTOP_LCD1_LOWPWR 0x1154
#define S5P_CMU_RESET_LCD1_LOWPWR 0x1174
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index b41d146..de7d6d5 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -87,6 +87,12 @@ struct exynos_pm_data *pm_data;

static u32 exynos_irqwake_intmask = 0xffffffff;

+static const struct exynos_wkup_irq exynos3250_wkup_irq[] = {
+ { 105, BIT(1) }, /* RTC alarm */
+ { 106, BIT(2) }, /* RTC tick */
+ { /* sentinel */ },
+};
+
static const struct exynos_wkup_irq exynos4_wkup_irq[] = {
{ 76, BIT(1) }, /* RTC alarm */
{ 77, BIT(2) }, /* RTC tick */
@@ -99,6 +105,19 @@ static const struct exynos_wkup_irq exynos5250_wkup_irq[] = {
{ /* sentinel */ },
};

+unsigned int exynos3250_release_ret_regs[] = {
+ S5P_PAD_RET_MAUDIO_OPTION,
+ S5P_PAD_RET_GPIO_OPTION,
+ S5P_PAD_RET_UART_OPTION,
+ S5P_PAD_RET_MMCA_OPTION,
+ S5P_PAD_RET_MMCB_OPTION,
+ S5P_PAD_RET_MMCC_OPTION,
+ S5P_PAD_RET_EBIA_OPTION,
+ S5P_PAD_RET_EBIB_OPTION,
+ S5P_PAD_RET_SPI_OPTION,
+ REG_TABLE_END,
+};
+
unsigned int exynos_release_ret_regs[] = {
S5P_PAD_RET_MAUDIO_OPTION,
S5P_PAD_RET_GPIO_OPTION,
@@ -288,6 +307,15 @@ static const struct platform_suspend_ops exynos_suspend_ops = {
.valid = suspend_valid_only_mem,
};

+static const struct exynos_pm_data exynos3250_pm_data = {
+ .wkup_irq = exynos3250_wkup_irq,
+ .release_ret_regs = exynos3250_release_ret_regs,
+ .pm_suspend = exynos_pm_suspend,
+ .pm_resume = exynos_pm_resume,
+ .pm_prepare = exynos_pm_prepare,
+ .cpu_suspend = exynos_cpu_suspend,
+};
+
static const struct exynos_pm_data exynos4_pm_data = {
.wkup_irq = exynos4_wkup_irq,
.wake_disable_mask = ((0xFF << 8) | (0x1F << 1)),
@@ -314,6 +342,9 @@ static const struct exynos_pm_data exynos5250_pm_data = {

static struct of_device_id exynos_pmu_of_device_ids[] = {
{
+ .compatible = "samsung,exynos3250-pmu",
+ .data = &exynos3250_pm_data,
+ }, {
.compatible = "samsung,exynos4210-pmu",
.data = &exynos4_pm_data,
}, {
--
1.7.9.5


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