diff --git a/arch/arm/dts/en7523-evb-u-boot.dtsi b/arch/arm/dts/en7523-evb-u-boot.dtsi
index c109d6794fb..d6ab621d590 100644
--- a/arch/arm/dts/en7523-evb-u-boot.dtsi
+++ b/arch/arm/dts/en7523-evb-u-boot.dtsi
@@ -9,3 +9,7 @@
 };
 
 #include "en7523-u-boot.dtsi"
+
+&gdm1 {
+	status = "okay";
+};
diff --git a/arch/arm/dts/en7523-u-boot.dtsi b/arch/arm/dts/en7523-u-boot.dtsi
index 9eadaccc500..62d1a724678 100644
--- a/arch/arm/dts/en7523-u-boot.dtsi
+++ b/arch/arm/dts/en7523-u-boot.dtsi
@@ -37,6 +37,19 @@
 			 <&scu EN7523_HSI_MAC_RST>;
 		reset-names = "fe", "pdma", "qdma",
 			      "hsi0-mac", "hsi1-mac", "hsi-mac";
+
+		gdm1: ethernet@1 {
+			compatible = "airoha,eth-mac";
+			reg = <1>;
+			phy-mode = "internal";
+			status = "disabled";
+
+			fixed-link {
+				speed = <10000>;
+				full-duplex;
+				pause;
+			};
+		};
 	};
 
 	switch: switch@1fb58000 {