ARM: dts: exynos: Add initial pin configuration for exynos3250-rinato
This patch adds initial pin configuration using pinctrl subsystem
to reduce leakage power-consumption of gpio pins in normal state.
All pins included in this patch are NC (not connected) pin.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
index 1f102f3..31eb09b 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -681,7 +681,21 @@
&pinctrl_0 {
pinctrl-names = "default";
- pinctrl-0 = <&sleep0>;
+ pinctrl-0 = <&initial0 &sleep0>;
+
+ initial0: initial-state {
+ PIN_IN(gpa1-4, DOWN, LV1);
+ PIN_IN(gpa1-5, DOWN, LV1);
+
+ PIN_IN(gpc0-0, DOWN, LV1);
+ PIN_IN(gpc0-1, DOWN, LV1);
+ PIN_IN(gpc0-2, DOWN, LV1);
+ PIN_IN(gpc0-3, DOWN, LV1);
+ PIN_IN(gpc0-4, DOWN, LV1);
+
+ PIN_IN(gpd0-0, DOWN, LV1);
+ PIN_IN(gpd0-1, DOWN, LV1);
+ };
sleep0: sleep-state {
PIN_SLP(gpa0-0, INPUT, DOWN);
@@ -735,7 +749,60 @@
&pinctrl_1 {
pinctrl-names = "default";
- pinctrl-0 = <&sleep1>;
+ pinctrl-0 = <&initial1 &sleep1>;
+
+ initial1: initial-state {
+ PIN_IN(gpe0-6, DOWN, LV1);
+ PIN_IN(gpe0-7, DOWN, LV1);
+
+ PIN_IN(gpe1-0, DOWN, LV1);
+ PIN_IN(gpe1-3, DOWN, LV1);
+ PIN_IN(gpe1-4, DOWN, LV1);
+ PIN_IN(gpe1-5, DOWN, LV1);
+ PIN_IN(gpe1-6, DOWN, LV1);
+
+ PIN_IN(gpk2-0, DOWN, LV1);
+ PIN_IN(gpk2-1, DOWN, LV1);
+ PIN_IN(gpk2-2, DOWN, LV1);
+ PIN_IN(gpk2-3, DOWN, LV1);
+ PIN_IN(gpk2-4, DOWN, LV1);
+ PIN_IN(gpk2-5, DOWN, LV1);
+ PIN_IN(gpk2-6, DOWN, LV1);
+
+ PIN_IN(gpm0-0, DOWN, LV1);
+ PIN_IN(gpm0-1, DOWN, LV1);
+ PIN_IN(gpm0-2, DOWN, LV1);
+ PIN_IN(gpm0-3, DOWN, LV1);
+ PIN_IN(gpm0-4, DOWN, LV1);
+ PIN_IN(gpm0-5, DOWN, LV1);
+ PIN_IN(gpm0-6, DOWN, LV1);
+ PIN_IN(gpm0-7, DOWN, LV1);
+
+ PIN_IN(gpm1-0, DOWN, LV1);
+ PIN_IN(gpm1-1, DOWN, LV1);
+ PIN_IN(gpm1-2, DOWN, LV1);
+ PIN_IN(gpm1-3, DOWN, LV1);
+ PIN_IN(gpm1-4, DOWN, LV1);
+ PIN_IN(gpm1-5, DOWN, LV1);
+ PIN_IN(gpm1-6, DOWN, LV1);
+
+ PIN_IN(gpm2-0, DOWN, LV1);
+ PIN_IN(gpm2-1, DOWN, LV1);
+
+ PIN_IN(gpm3-0, DOWN, LV1);
+ PIN_IN(gpm3-1, DOWN, LV1);
+ PIN_IN(gpm3-2, DOWN, LV1);
+ PIN_IN(gpm3-3, DOWN, LV1);
+ PIN_IN(gpm3-4, DOWN, LV1);
+
+ PIN_IN(gpm4-1, DOWN, LV1);
+ PIN_IN(gpm4-2, DOWN, LV1);
+ PIN_IN(gpm4-3, DOWN, LV1);
+ PIN_IN(gpm4-4, DOWN, LV1);
+ PIN_IN(gpm4-5, DOWN, LV1);
+ PIN_IN(gpm4-6, DOWN, LV1);
+ PIN_IN(gpm4-7, DOWN, LV1);
+ };
sleep1: sleep-state {
PIN_SLP(gpe0-0, PREV, NONE);