diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index af9233bb7a26..d0e639cd3967 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -35,6 +35,7 @@ cpu@0 {
 			clocks = <&clk_m_a9>;
 			clock-names = "cpu";
 			clock-latency = <100000>;
+			cpu0-supply = <&pwm_regulator>;
 		};
 		cpu@1 {
 			device_type = "cpu";