diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 0d4db78ae255..7c7895338498 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1486,6 +1486,8 @@ usbphyc: usbphyc@5a006000 {
 			reg = <0x5a006000 0x1000>;
 			clocks = <&rcc USBPHY_K>;
 			resets = <&rcc USBPHY_R>;
+			vdda1v1-supply = <&reg11>;
+			vdda1v8-supply = <&reg18>;
 			status = "disabled";
 
 			usbphyc_port0: usb-phy@0 {