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 142177c1f737..9a2f29201d3c 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
@@ -80,6 +80,9 @@ &mdio0 {
 	ext_rgmii_phy: ethernet-phy@1 {
 		compatible = "ethernet-phy-ieee802.3-c22";
 		reg = <1>;
+		reset-gpios = <&pio 7 8 GPIO_ACTIVE_LOW>; /* PH8 */
+		reset-assert-us = <10000>;
+		reset-deassert-us = <150000>;
 	};
 };