diff options
author | Chanwoo Choi <cw00.choi@samsung.com> | 2014-11-07 08:10:13 +0900 |
---|---|---|
committer | Kukjin Kim <kgene.kim@samsung.com> | 2014-11-07 08:10:13 +0900 |
commit | 18073d6e47f24a18c9309a14c2b8b10275afd3a0 (patch) | |
tree | d0dde66304db4c938d71bace89e50ebf7d522715 | |
parent | faaf348ef468389b1ee4cfe91bcea1c22fe2d9b2 (diff) | |
download | linux-18073d6e47f24a18c9309a14c2b8b10275afd3a0.tar.bz2 |
ARM: dts: Add sleep mode pin configuration for exynos3250-rinato
This patch add sleep mode pin configuration using pinctrl subsystem
to reduce leakage power-consumption of gpio pin in sleep state.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
-rw-r--r-- | arch/arm/boot/dts/exynos3250-pinctrl.dtsi | 16 | ||||
-rw-r--r-- | arch/arm/boot/dts/exynos3250-rinato.dts | 154 |
2 files changed, 170 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi index 47b92c150f4e..5ab81c39e2c9 100644 --- a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi @@ -12,6 +12,22 @@ * published by the Free Software Foundation. */ +#define PIN_PULL_NONE 0 +#define PIN_PULL_DOWN 1 +#define PIN_PULL_UP 3 + +#define PIN_PDN_OUT0 0 +#define PIN_PDN_OUT1 1 +#define PIN_PDN_INPUT 2 +#define PIN_PDN_PREV 3 + +#define PIN_SLP(_pin, _mode, _pull) \ + _pin { \ + samsung,pins = #_pin; \ + samsung,pin-con-pdn = <PIN_PDN_ ##_mode>; \ + samsung,pin-pud-pdn = <PIN_PULL_ ##_pull>; \ + } + &pinctrl_0 { gpa0: gpa0 { gpio-controller; diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 8a18e68707f1..8ad98088adbf 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -422,3 +422,157 @@ &xusbxti { clock-frequency = <24000000>; }; + +&pinctrl_0 { + pinctrl-names = "default"; + pinctrl-0 = <&sleep0>; + + sleep0: sleep-state { + PIN_SLP(gpa0-0, INPUT, DOWN); + PIN_SLP(gpa0-1, INPUT, DOWN); + PIN_SLP(gpa0-2, INPUT, DOWN); + PIN_SLP(gpa0-3, INPUT, DOWN); + PIN_SLP(gpa0-4, INPUT, DOWN); + PIN_SLP(gpa0-5, INPUT, DOWN); + PIN_SLP(gpa0-6, INPUT, DOWN); + PIN_SLP(gpa0-7, INPUT, DOWN); + + PIN_SLP(gpa1-0, INPUT, DOWN); + PIN_SLP(gpa1-1, INPUT, DOWN); + PIN_SLP(gpa1-2, INPUT, DOWN); + PIN_SLP(gpa1-3, INPUT, DOWN); + PIN_SLP(gpa1-4, INPUT, DOWN); + PIN_SLP(gpa1-5, INPUT, DOWN); + + PIN_SLP(gpb-0, PREV, NONE); + PIN_SLP(gpb-1, PREV, NONE); + PIN_SLP(gpb-2, PREV, NONE); + PIN_SLP(gpb-3, PREV, NONE); + PIN_SLP(gpb-4, INPUT, DOWN); + PIN_SLP(gpb-5, INPUT, DOWN); + PIN_SLP(gpb-6, INPUT, DOWN); + PIN_SLP(gpb-7, INPUT, DOWN); + + PIN_SLP(gpc0-0, INPUT, DOWN); + PIN_SLP(gpc0-1, INPUT, DOWN); + PIN_SLP(gpc0-2, INPUT, DOWN); + PIN_SLP(gpc0-3, INPUT, DOWN); + PIN_SLP(gpc0-4, INPUT, DOWN); + + PIN_SLP(gpc1-0, INPUT, DOWN); + PIN_SLP(gpc1-1, INPUT, DOWN); + PIN_SLP(gpc1-2, INPUT, DOWN); + PIN_SLP(gpc1-3, INPUT, DOWN); + PIN_SLP(gpc1-4, INPUT, DOWN); + + PIN_SLP(gpd0-0, INPUT, DOWN); + PIN_SLP(gpd0-1, INPUT, DOWN); + PIN_SLP(gpd0-2, INPUT, NONE); + PIN_SLP(gpd0-3, INPUT, NONE); + + PIN_SLP(gpd1-0, INPUT, NONE); + PIN_SLP(gpd1-1, INPUT, NONE); + PIN_SLP(gpd1-2, INPUT, NONE); + PIN_SLP(gpd1-3, INPUT, NONE); + }; +}; + +&pinctrl_1 { + pinctrl-names = "default"; + pinctrl-0 = <&sleep1>; + + sleep1: sleep-state { + PIN_SLP(gpe0-0, PREV, NONE); + PIN_SLP(gpe0-1, PREV, NONE); + PIN_SLP(gpe0-2, INPUT, DOWN); + PIN_SLP(gpe0-3, INPUT, UP); + PIN_SLP(gpe0-4, INPUT, DOWN); + PIN_SLP(gpe0-5, INPUT, DOWN); + PIN_SLP(gpe0-6, INPUT, DOWN); + PIN_SLP(gpe0-7, INPUT, DOWN); + + PIN_SLP(gpe1-0, INPUT, DOWN); + PIN_SLP(gpe1-1, PREV, NONE); + PIN_SLP(gpe1-2, INPUT, DOWN); + PIN_SLP(gpe1-3, INPUT, DOWN); + PIN_SLP(gpe1-4, INPUT, DOWN); + PIN_SLP(gpe1-5, INPUT, DOWN); + PIN_SLP(gpe1-6, INPUT, DOWN); + PIN_SLP(gpe1-7, INPUT, NONE); + + PIN_SLP(gpe2-0, INPUT, NONE); + PIN_SLP(gpe2-1, INPUT, NONE); + PIN_SLP(gpe2-2, INPUT, NONE); + + PIN_SLP(gpk0-0, INPUT, DOWN); + PIN_SLP(gpk0-1, INPUT, DOWN); + PIN_SLP(gpk0-2, OUT0, NONE); + PIN_SLP(gpk0-3, INPUT, DOWN); + PIN_SLP(gpk0-4, INPUT, DOWN); + PIN_SLP(gpk0-5, INPUT, DOWN); + PIN_SLP(gpk0-6, INPUT, DOWN); + PIN_SLP(gpk0-7, INPUT, DOWN); + + PIN_SLP(gpk1-0, INPUT, DOWN); + PIN_SLP(gpk1-1, INPUT, DOWN); + PIN_SLP(gpk1-2, INPUT, DOWN); + PIN_SLP(gpk1-3, INPUT, DOWN); + PIN_SLP(gpk1-4, INPUT, DOWN); + PIN_SLP(gpk1-5, INPUT, DOWN); + PIN_SLP(gpk1-6, INPUT, DOWN); + + PIN_SLP(gpk2-0, INPUT, DOWN); + PIN_SLP(gpk2-1, INPUT, DOWN); + PIN_SLP(gpk2-2, INPUT, DOWN); + PIN_SLP(gpk2-3, INPUT, DOWN); + PIN_SLP(gpk2-4, INPUT, DOWN); + PIN_SLP(gpk2-5, INPUT, DOWN); + PIN_SLP(gpk2-6, INPUT, DOWN); + + PIN_SLP(gpl0-0, INPUT, DOWN); + PIN_SLP(gpl0-1, INPUT, DOWN); + PIN_SLP(gpl0-2, INPUT, DOWN); + PIN_SLP(gpl0-3, INPUT, DOWN); + + PIN_SLP(gpm0-0, INPUT, DOWN); + PIN_SLP(gpm0-1, INPUT, DOWN); + PIN_SLP(gpm0-2, INPUT, DOWN); + PIN_SLP(gpm0-3, INPUT, DOWN); + PIN_SLP(gpm0-4, INPUT, DOWN); + PIN_SLP(gpm0-5, INPUT, DOWN); + PIN_SLP(gpm0-6, INPUT, DOWN); + PIN_SLP(gpm0-7, INPUT, DOWN); + + PIN_SLP(gpm1-0, INPUT, DOWN); + PIN_SLP(gpm1-1, INPUT, DOWN); + PIN_SLP(gpm1-2, INPUT, DOWN); + PIN_SLP(gpm1-3, INPUT, DOWN); + PIN_SLP(gpm1-4, INPUT, DOWN); + PIN_SLP(gpm1-5, INPUT, DOWN); + PIN_SLP(gpm1-6, INPUT, DOWN); + + PIN_SLP(gpm2-0, INPUT, DOWN); + PIN_SLP(gpm2-1, INPUT, DOWN); + PIN_SLP(gpm2-2, INPUT, DOWN); + PIN_SLP(gpm2-3, INPUT, DOWN); + PIN_SLP(gpm2-4, INPUT, DOWN); + + PIN_SLP(gpm3-0, INPUT, DOWN); + PIN_SLP(gpm3-1, INPUT, DOWN); + PIN_SLP(gpm3-2, INPUT, DOWN); + PIN_SLP(gpm3-3, INPUT, DOWN); + PIN_SLP(gpm3-4, INPUT, DOWN); + PIN_SLP(gpm3-5, INPUT, DOWN); + PIN_SLP(gpm3-6, INPUT, DOWN); + PIN_SLP(gpm3-7, INPUT, DOWN); + + PIN_SLP(gpm4-0, INPUT, DOWN); + PIN_SLP(gpm4-1, INPUT, DOWN); + PIN_SLP(gpm4-2, INPUT, DOWN); + PIN_SLP(gpm4-3, INPUT, DOWN); + PIN_SLP(gpm4-4, INPUT, DOWN); + PIN_SLP(gpm4-5, INPUT, DOWN); + PIN_SLP(gpm4-6, INPUT, DOWN); + PIN_SLP(gpm4-7, INPUT, DOWN); + }; +}; |