diff --git a/target/linux/airoha/dts/an7581.dtsi b/target/linux/airoha/dts/an7581.dtsi
index a7a917c32f..c00eaa5c32 100644
--- a/target/linux/airoha/dts/an7581.dtsi
+++ b/target/linux/airoha/dts/an7581.dtsi
@@ -975,7 +975,7 @@
 			gdm2: ethernet@2 {
 				compatible = "airoha,eth-mac";
 				reg = <2>;
-				pcs = <&pon_pcs>;
+				pcs-handle = <&pon_pcs>;
 
 				status = "disabled";
 			};
@@ -983,7 +983,7 @@
 			gdm4: ethernet@4 {
 				compatible = "airoha,eth-mac";
 				reg = <4>;
-				pcs = <&eth_pcs>;
+				pcs-handle = <&eth_pcs>;
 
 				status = "disabled";
 			};