diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
index 0d4dbd4324a6..d3e024560db4 100644
--- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -51,6 +51,11 @@
 	};
 };
 
+&adc {
+	vdd-supply = <&ldo4_reg>;
+	status = "okay";
+};
+
 &cci {
 	status = "disabled";
 };