diff --git a/boards/arm/atsame54_xpro/atsame54_xpro.dts b/boards/arm/atsame54_xpro/atsame54_xpro.dts
index 959f08c36c9..3dafd033c70 100644
--- a/boards/arm/atsame54_xpro/atsame54_xpro.dts
+++ b/boards/arm/atsame54_xpro/atsame54_xpro.dts
@@ -104,4 +104,15 @@ zephyr_udc0: &usb0 {
 &gmac {
 	status = "okay";
 	zephyr,random-mac-address;
+
+	phy: phy {
+		compatible = "ethernet-phy";
+		status = "okay";
+		address = <0>;
+		mdio = <&mdio>;
+	};
+};
+
+&mdio {
+	status = "okay";
 };