diff --git a/arch/arm/boot/dts/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini-nas4220b.dts
index d6a22e677c7a1cffeccad0b079a617fd047c65f1..943d2d07fac7b2432d8d8aae6f766b27f77c0a44 100644
--- a/arch/arm/boot/dts/gemini-nas4220b.dts
+++ b/arch/arm/boot/dts/gemini-nas4220b.dts
@@ -64,6 +64,19 @@
 		};
 	};
 
+	mdio0: ethernet-phy {
+		compatible = "virtual,mdio-gpio";
+		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: ethernet-phy@1 {
+			reg = <1>;
+			device_type = "ethernet-phy";
+		};
+	};
+
 	soc {
 		flash@30000000 {
 			status = "okay";
diff --git a/arch/arm/boot/dts/gemini-rut1xx.dts b/arch/arm/boot/dts/gemini-rut1xx.dts
index 500057b6570efe99f92f61da727d8d0e2cf1763b..fd55528bba562d87a130e63995f2d2e5625a53b4 100644
--- a/arch/arm/boot/dts/gemini-rut1xx.dts
+++ b/arch/arm/boot/dts/gemini-rut1xx.dts
@@ -58,6 +58,19 @@
 		};
 	};
 
+	mdio0: ethernet-phy {
+		compatible = "virtual,mdio-gpio";
+		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: ethernet-phy@1 {
+			reg = <1>;
+			device_type = "ethernet-phy";
+		};
+	};
+
 	soc {
 		flash@30000000 {
 			status = "okay";
diff --git a/arch/arm/boot/dts/gemini-wbd111.dts b/arch/arm/boot/dts/gemini-wbd111.dts
index b413fd12c5ba519d6735c531e1bd4ee018b56b9c..f36e1b65497d0680ea43cf10954dc1db92355e66 100644
--- a/arch/arm/boot/dts/gemini-wbd111.dts
+++ b/arch/arm/boot/dts/gemini-wbd111.dts
@@ -69,6 +69,19 @@
 		};
 	};
 
+	mdio0: ethernet-phy {
+		compatible = "virtual,mdio-gpio";
+		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: ethernet-phy@1 {
+			reg = <1>;
+			device_type = "ethernet-phy";
+		};
+	};
+
 	soc {
 		flash@30000000 {
 			status = "okay";
diff --git a/arch/arm/boot/dts/gemini-wbd222.dts b/arch/arm/boot/dts/gemini-wbd222.dts
index 3ba710538662c5d850d8ab5004f7cf982c953f98..669bd8b5f92fbfa3811d457e5095af7b37021219 100644
--- a/arch/arm/boot/dts/gemini-wbd222.dts
+++ b/arch/arm/boot/dts/gemini-wbd222.dts
@@ -69,6 +69,24 @@
 		};
 	};
 
+	mdio0: ethernet-phy {
+		compatible = "virtual,mdio-gpio";
+		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: ethernet-phy@1 {
+			reg = <1>;
+			device_type = "ethernet-phy";
+		};
+
+		phy1: ethernet-phy@3 {
+			reg = <3>;
+			device_type = "ethernet-phy";
+		};
+	};
+
 	soc {
 		flash@30000000 {
 			status = "okay";