diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
index b4b52cf634af..c89ebfaa115d 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
@@ -68,6 +68,7 @@ ethernet_vio: vioregulator {
 		gpio = <&gpiog 3 GPIO_ACTIVE_LOW>;
 		regulator-always-on;
 		regulator-boot-on;
+		vin-supply = <&vdd>;
 	};
 };