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>

diff --git a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi
index 47b92c150f4e5cd6e3501ee9708df16d8e024df8..5ab81c39e2c9ca8bcd21e1cb14559e2e0166837a 100644 (file)
--- 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 8a18e68707f166ea05552c769ba973166f2799b2..8ad98088adbf09c6dbe366054f1ea7423a50bd98 100644 (file)
--- 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);
+       };
+};