diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
index 85a546aecdbe149d6bad10327fca1fb7dafff6ad..23ab89c742c679fb274babbb0205f119eb2c9baa 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
@@ -64,6 +64,23 @@ &ehci1 {
 	status = "okay";
 };
 
+&emac0 {
+	phy-mode = "rgmii";
+	phy-handle = <&ext_rgmii_phy>;
+
+	allwinner,tx-delay-ps = <100>;
+	allwinner,rx-delay-ps = <300>;
+
+	status = "okay";
+};
+
+&mdio0 {
+	ext_rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
+};
+
 &mmc0 {
 	vmmc-supply = <&reg_cldo3>;
 	cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_DOWN)>; /* PF6 */