diff --git a/arch/arm/dts/armada-3720-uDPU.dts b/arch/arm/dts/armada-3720-uDPU.dts
index 4b30f3c..4bf6d2e 100644
--- a/arch/arm/dts/armada-3720-uDPU.dts
+++ b/arch/arm/dts/armada-3720-uDPU.dts
@@ -126,14 +126,14 @@
 &eth0 {
 	pinctrl-0 = <&pcie_pins>;
 	status = "okay";
-	phy-mode = "sgmii-2500";
+	phy-mode = "2500base-x";
 	managed = "in-band-status";
 	phy = <&ethphy0>;
 };
 
 &eth1 {
 	status = "okay";
-	phy-mode = "sgmii-2500";
+	phy-mode = "2500base-x";
 	managed = "in-band-status";
 	phy = <&ethphy1>;
 };