--- a/arch/arm/boot/dts/hi3516cv300-demb.dts
+++ b/arch/arm/boot/dts/hi3516cv300-demb.dts
@@ -112,7 +112,7 @@
 
 &mdio {
 	phy0: phy@1 {
-		reg = <1>;
+		/* reg = <1>; Disabled to invoke auto probe*/
 	};
 };