diff --git a/arch/arm/dts/imx8qm-rom7720-a1.dts b/arch/arm/dts/imx8qm-rom7720-a1.dts
index 5f9ac95..d1f2fff 100644
--- a/arch/arm/dts/imx8qm-rom7720-a1.dts
+++ b/arch/arm/dts/imx8qm-rom7720-a1.dts
@@ -293,7 +293,7 @@
 &fec1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec1>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&ethphy0>;
 	fsl,ar8031-phy-fixup;
 	fsl,magic-packet;
@@ -318,7 +318,7 @@
 &fec2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec2>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&ethphy1>;
 	fsl,ar8031-phy-fixup;
 	fsl,magic-packet;