diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index 1d52de6370d5..b997a4c89eea 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -272,12 +272,13 @@ pdma1: pdma@12690000 {
 		adc: adc@126C0000 {
 			compatible = "samsung,exynos3250-adc",
 				     "samsung,exynos-adc-v2";
-			reg = <0x126C0000 0x100>, <0x10020718 0x4>;
+			reg = <0x126C0000 0x100>;
 			interrupts = <0 137 0>;
 			clock-names = "adc", "sclk";
 			clocks = <&cmu CLK_TSADC>, <&cmu CLK_SCLK_TSADC>;
 			#io-channel-cells = <1>;
 			io-channel-ranges;
+			samsung,syscon-phandle = <&pmu_system_controller>;
 			status = "disabled";
 		};
 
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
index 861bb919f6d3..9ee77d3c4e03 100644
--- a/arch/arm/boot/dts/exynos4x12.dtsi
+++ b/arch/arm/boot/dts/exynos4x12.dtsi
@@ -108,13 +108,14 @@ wakup_eint: wakeup-interrupt-controller {
 
 	adc: adc@126C0000 {
 		compatible = "samsung,exynos-adc-v1";
-		reg = <0x126C0000 0x100>, <0x10020718 0x4>;
+		reg = <0x126C0000 0x100>;
 		interrupt-parent = <&combiner>;
 		interrupts = <10 3>;
 		clocks = <&clock CLK_TSADC>;
 		clock-names = "adc";
 		#io-channel-cells = <1>;
 		io-channel-ranges;
+		samsung,syscon-phandle = <&pmu_system_controller>;
 		status = "disabled";
 	};
 
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 492e1eff37bd..8d575f24fe60 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -765,12 +765,13 @@ fimd@14400000 {
 
 	adc: adc@12D10000 {
 		compatible = "samsung,exynos-adc-v1";
-		reg = <0x12D10000 0x100>, <0x10040718 0x4>;
+		reg = <0x12D10000 0x100>;
 		interrupts = <0 106 0>;
 		clocks = <&clock CLK_ADC>;
 		clock-names = "adc";
 		#io-channel-cells = <1>;
 		io-channel-ranges;
+		samsung,syscon-phandle = <&pmu_system_controller>;
 		status = "disabled";
 	};
 
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index bfe056d9148c..5fd587a842d2 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -541,12 +541,13 @@ fimd: fimd@14400000 {
 
 	adc: adc@12D10000 {
 		compatible = "samsung,exynos-adc-v2";
-		reg = <0x12D10000 0x100>, <0x10040720 0x4>;
+		reg = <0x12D10000 0x100>;
 		interrupts = <0 106 0>;
 		clocks = <&clock CLK_TSADC>;
 		clock-names = "adc";
 		#io-channel-cells = <1>;
 		io-channel-ranges;
+		samsung,syscon-phandle = <&pmu_system_controller>;
 		status = "disabled";
 	};