diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 80db9137abdd12..d0ee55f4d09ff8 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -601,6 +601,8 @@
 		interrupt-parent = <&gpx0>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&max98090_irq>;
+		clocks = <&pmu_system_controller 0>;
+		clock-names = "mclk";
 	};
 
 	light-sensor@44 {
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index 9db2b5927821fe..7ea1d66dd71987 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -588,6 +588,8 @@
 		interrupt-parent = <&gpx0>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&max98091_irq>;
+		clocks = <&pmu_system_controller 0>;
+		clock-names = "mclk";
 	};
 
 	light-sensor@44 {