This patch adds support for retention control for Exynos5260 SoC.
Signed-off-by: Stuart Menefy <stuart.menefy@xxxxxxxxxxxxxxxx>
---
.../bindings/pinctrl/samsung-pinctrl.txt | 2 ++
arch/arm/boot/dts/exynos5260.dtsi | 2 +-
drivers/pinctrl/samsung/pinctrl-exynos-arm.c | 25 ++++++++++++++++++++++
drivers/pinctrl/samsung/pinctrl-exynos.c | 21 ++++++++++++++++++
4 files changed, 49 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
index 70659c917bdc..548d5786c400 100644
--- a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
@@ -163,6 +163,8 @@ B. External Wakeup Interrupts: For supporting external wakeup interrupts, a
found on Samsung S5Pv210 SoCs,
- samsung,exynos4210-wakeup-eint: represents wakeup interrupt controller
found on Samsung Exynos4210 and S5PC110/S5PV210 SoCs.
+ - samsung,exynos5260-wakeup-eint: represents wakeup interrupt controller
+ found on Samsung Exynos5260 SoCs.
- samsung,exynos7-wakeup-eint: represents wakeup interrupt controller
found on Samsung Exynos7 SoC.
- interrupts: interrupt used by multiplexed wakeup interrupts.
diff --git a/arch/arm/boot/dts/exynos5260.dtsi b/arch/arm/boot/dts/exynos5260.dtsi
index e8a5c8715b94..8b46f7078d5d 100644
--- a/arch/arm/boot/dts/exynos5260.dtsi
+++ b/arch/arm/boot/dts/exynos5260.dtsi
@@ -296,7 +296,7 @@
interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
wakeup-interrupt-controller {
- compatible = "samsung,exynos4210-wakeup-eint";
+ compatible = "samsung,exynos5260-wakeup-eint";
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
};
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
index 44c6b753f692..997b938eecb2 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
@@ -605,6 +605,28 @@ static const struct samsung_pin_bank_data exynos5260_pin_banks2[] __initconst =
EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04),
};
+/* PMU pad retention groups registers for Exynos5260 */
+static const u32 exynos5260_retention_regs[] = {
+ EXYNOS5260_PAD_RETENTION_LPDDR3_OPTION,
+ EXYNOS5260_PAD_RETENTION_JTAG_OPTION,
+ EXYNOS5260_PAD_RETENTION_MMC2_OPTION,
+ EXYNOS5260_PAD_RETENTION_TOP_OPTION,
+ EXYNOS5260_PAD_RETENTION_UART_OPTION,
+ EXYNOS5260_PAD_RETENTION_MMC0_OPTION,
+ EXYNOS5260_PAD_RETENTION_MMC1_OPTION,
+ EXYNOS5260_PAD_RETENTION_SPI_OPTION,
+ EXYNOS5260_PAD_RETENTION_MIF_OPTION,
+ EXYNOS5260_PAD_RETENTION_BOOTLDO_OPTION,
+};
+
+static const struct samsung_retention_data exynos5260_retention_data __initconst = {
+ .regs = exynos5260_retention_regs,
+ .nr_regs = ARRAY_SIZE(exynos5260_retention_regs),
+ .value = EXYNOS_WAKEUP_FROM_LOWPWR,
+ .refcnt = &exynos_shared_retention_refcnt,
+ .init = exynos_retention_init,
+};
+
/*
* Samsung pinctrl driver data for Exynos5260 SoC. Exynos5260 SoC includes
* three gpio/pin-mux/pinconfig controllers.
@@ -618,6 +640,7 @@ static const struct samsung_pin_ctrl exynos5260_pin_ctrl[] __initconst = {
.eint_wkup_init = exynos_eint_wkup_init,
.suspend = exynos_pinctrl_suspend,
.resume = exynos_pinctrl_resume,
+ .retention_data = &exynos5260_retention_data,
}, {
/* pin-controller instance 1 data */
.pin_banks = exynos5260_pin_banks1,
@@ -625,6 +648,7 @@ static const struct samsung_pin_ctrl exynos5260_pin_ctrl[] __initconst = {
.eint_gpio_init = exynos_eint_gpio_init,
.suspend = exynos_pinctrl_suspend,
.resume = exynos_pinctrl_resume,
+ .retention_data = &exynos5260_retention_data,
}, {
/* pin-controller instance 2 data */
.pin_banks = exynos5260_pin_banks2,
@@ -632,6 +656,7 @@ static const struct samsung_pin_ctrl exynos5260_pin_ctrl[] __initconst = {
.eint_gpio_init = exynos_eint_gpio_init,
.suspend = exynos_pinctrl_suspend,
.resume = exynos_pinctrl_resume,
+ .retention_data = &exynos5260_retention_data,
},
};
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index f49ea3d92aa1..c11343967632 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -372,6 +372,25 @@ static const struct exynos_irq_chip s5pv210_wkup_irq_chip __initconst = {
.eint_wake_mask_reg = S5PV210_EINT_WAKEUP_MASK,
};
+static const struct exynos_irq_chip exynos5260_wkup_irq_chip __initconst = {
+ .chip = {
+ .name = "exynos5260_wkup_irq_chip",
+ .irq_unmask = exynos_irq_unmask,
+ .irq_mask = exynos_irq_mask,
+ .irq_ack = exynos_irq_ack,
+ .irq_set_type = exynos_irq_set_type,
+ .irq_set_wake = exynos_wkup_irq_set_wake,
+ .irq_request_resources = exynos_irq_request_resources,
+ .irq_release_resources = exynos_irq_release_resources,
+ },
+ .eint_con = EXYNOS_WKUP_ECON_OFFSET,
+ .eint_mask = EXYNOS_WKUP_EMASK_OFFSET,
+ .eint_pend = EXYNOS_WKUP_EPEND_OFFSET,
+ .eint_wake_mask_value = EXYNOS_EINT_WAKEUP_MASK_DISABLED,
+ /* Only difference with exynos4210_wkup_irq_chip: */
+ .eint_wake_mask_reg = EXYNOS5260_EINT_WAKEUP_MASK,
+};
+
static const struct exynos_irq_chip exynos4210_wkup_irq_chip __initconst = {
.chip = {
.name = "exynos4210_wkup_irq_chip",
@@ -412,6 +431,8 @@ static const struct exynos_irq_chip exynos7_wkup_irq_chip __initconst = {
static const struct of_device_id exynos_wkup_irq_ids[] = {
{ .compatible = "samsung,s5pv210-wakeup-eint",
.data = &s5pv210_wkup_irq_chip },
+ { .compatible = "samsung,exynos5260-wakeup-eint",
+ .data = &exynos5260_wkup_irq_chip },
{ .compatible = "samsung,exynos4210-wakeup-eint",
.data = &exynos4210_wkup_irq_chip },
{ .compatible = "samsung,exynos7-wakeup-eint",
--
2.13.6
