+	eth: ethernet@65000000 {
+		compatible = "socionext,uniphier-ave4";
+		reg = <0x65000000 0x8500>;
+		interrupts = <0 66 4>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_ether_rgmii>;
+		phy-mode = "rgmii";
+		socionext,desc-bits = <64>;
+		local-mac-address = [00 00 00 00 00 00];
+
+		#address-cells = <1>;
+		#size-cells = <0>;

+		ethphy: ethphy@1 {
+			reg = <1>;
+		};

So you normally have an mdio node, and the phy as a children of that
node.

       mdio {
                ethphy: ethernet-phy@6 {
                        reg = <6>;
                };
        };

	Andrew