ARM: dts: add ADC device tree node for exynos5420/5250

Add ADC device tree node for exynos5420 and exynos5250
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5250.dtsi

@@ -642,4 +642,15 @@ fimd@14400000 {
 		clocks = <&clock 133>, <&clock 339>;
 		clock-names = "sclk_fimd", "fimd";
 	};
+
+	adc: adc@12D10000 {
+		compatible = "samsung,exynos-adc-v1";
+		reg = <0x12D10000 0x100>, <0x10040718 0x4>;
+		interrupts = <0 106 0>;
+		clocks = <&clock 303>;
+		clock-names = "adc";
+		#io-channel-cells = <1>;
+		io-channel-ranges;
+		status = "disabled";
+	};
 };

arch/arm/boot/dts/exynos5420.dtsi

@@ -224,4 +224,15 @@ fimd@14400000 {
 		clocks = <&clock 147>, <&clock 421>;
 		clock-names = "sclk_fimd", "fimd";
 	};
+
+	adc: adc@12D10000 {
+		compatible = "samsung,exynos-adc-v2";
+		reg = <0x12D10000 0x100>, <0x10040720 0x4>;
+		interrupts = <0 106 0>;
+		clocks = <&clock 270>;
+		clock-names = "adc";
+		#io-channel-cells = <1>;
+		io-channel-ranges;
+		status = "disabled";
+	};
 };