ARM: dts: Set up power domains for exynos4

This patch adds device tree nodes for power domains available
on EXYNOS4 SoCs.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4.dtsi

@@ -38,6 +38,36 @@ aliases {
 		i2c7 = &i2c_7;
 	};
 
+	pd_mfc: mfc-power-domain@10023C40 {
+		compatible = "samsung,exynos4210-pd";
+		reg = <0x10023C40 0x20>;
+	};
+
+	pd_g3d: g3d-power-domain@10023C60 {
+		compatible = "samsung,exynos4210-pd";
+		reg = <0x10023C60 0x20>;
+	};
+
+	pd_lcd0: lcd0-power-domain@10023C80 {
+		compatible = "samsung,exynos4210-pd";
+		reg = <0x10023C80 0x20>;
+	};
+
+	pd_tv: tv-power-domain@10023C20 {
+		compatible = "samsung,exynos4210-pd";
+		reg = <0x10023C20 0x20>;
+	};
+
+	pd_cam: cam-power-domain@10023C00 {
+		compatible = "samsung,exynos4210-pd";
+		reg = <0x10023C00 0x20>;
+	};
+
+	pd_gps: gps-power-domain@10023CE0 {
+		compatible = "samsung,exynos4210-pd";
+		reg = <0x10023CE0 0x20>;
+	};
+
 	gic:interrupt-controller@10490000 {
 		compatible = "arm,cortex-a9-gic";
 		#interrupt-cells = <3>;

arch/arm/boot/dts/exynos4210.dtsi

@@ -31,6 +31,11 @@ aliases {
 		pinctrl2 = &pinctrl_2;
 	};
 
+	pd_lcd1: lcd1-power-domain@10023CA0 {
+		compatible = "samsung,exynos4210-pd";
+		reg = <0x10023CA0 0x20>;
+	};
+
 	gic:interrupt-controller@10490000 {
 		cpu-offset = <0x8000>;
 	};