* Allwinner A10 MDIO Ethernet Controller interface Required properties: - compatible: should be "allwinner,sun4i-a10-mdio" (Deprecated: "allwinner,sun4i-mdio"). - reg: address and length of the register set for the device. Optional properties: - phy-supply: phandle to a regulator if the PHY needs one Example at the SoC level: mdio@1c0b080 { compatible = "allwinner,sun4i-a10-mdio"; reg = <0x01c0b080 0x14>; #address-cells = <1>; #size-cells = <0>; }; And at the board level: mdio@1c0b080 { phy-supply = <®_emac_3v3>; phy0: ethernet-phy@0 { reg = <0>; }; };