diff --git a/arch/arm/dts/rk3288-evb.dtsi b/arch/arm/dts/rk3288-evb.dtsi
index cb7d03e..4960f33 100644
--- a/arch/arm/dts/rk3288-evb.dtsi
+++ b/arch/arm/dts/rk3288-evb.dtsi
@@ -11,6 +11,13 @@
 		reg = <0 0x80000000>;
 	};
 
+	ext_gmac: external-gmac-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <125000000>;
+		clock-output-names = "ext_gmac";
+	};
+
 	keys: gpio-keys {
 		compatible = "gpio-keys";
 		#address-cells = <1>;
@@ -98,6 +105,21 @@
 	status = "okay";
 };
 
+&gmac {
+	phy-mode = "rgmii";
+	clock_in_out = "input";
+	snps,reset-gpio = <&gpio4 7 0>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 1000000>;
+	assigned-clocks = <&cru SCLK_MAC>;
+	assigned-clock-parents = <&ext_gmac>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>;
+	tx_delay = <0x30>;
+	rx_delay = <0x10>;
+	status = "okay";
+};
+
 &hdmi {
 	ddc-i2c-bus = <&i2c5>;
 	status = "okay";