diff --git a/target/linux/ramips/dts/mt7620a_youku_yk-l1.dtsi b/target/linux/ramips/dts/mt7620a_youku_yk-l1.dtsi
index 61062a3179..db9bacefe8 100644
--- a/target/linux/ramips/dts/mt7620a_youku_yk-l1.dtsi
+++ b/target/linux/ramips/dts/mt7620a_youku_yk-l1.dtsi
@@ -103,6 +103,7 @@
 
 &ethernet {
 	pinctrl-names = "default";
+	pinctrl-0 = <&ephy_pins>;
 
 	mtd-mac-address = <&factory 0x28>;