diff --git a/target/linux/mediatek/dts/mt7988d-keenetic-kn-1812.dtsi b/target/linux/mediatek/dts/mt7988d-keenetic-kn-1812.dtsi
index 140ae1528b..b8354b34a0 100644
--- a/target/linux/mediatek/dts/mt7988d-keenetic-kn-1812.dtsi
+++ b/target/linux/mediatek/dts/mt7988d-keenetic-kn-1812.dtsi
@@ -398,6 +398,8 @@
 		compatible = "ethernet-phy-ieee802.3-c45";
 		reg = <0x1b>;
 
+		interrupt-parent = <&pio>;
+		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		reset-gpios = <&pio 4 GPIO_ACTIVE_LOW>;
 		reset-assert-us = <100000>;
 		reset-deassert-us = <221000>;