The dwmac-sun8i hardware is present on the pine64 plus.
It uses an external PHY rtl8211e via RGMII.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        model = "Pine64+";
        compatible = "pine64,pine64-plus", "allwinner,sun50i-a64";
 
-       /* TODO: Camera, Ethernet PHY, touchscreen, etc. */
+       /* TODO: Camera, touchscreen, etc. */
+};
+
+&emac {
+       pinctrl-names = "default";
+       pinctrl-0 = <&rgmii_pins>;
+       phy-mode = "rgmii";
+       phy-handle = <&ext_rgmii_phy>;
+       status = "okay";
+};
+
+&mdio {
+       ext_rgmii_phy: ethernet-phy@1 {
+               compatible = "ethernet-phy-ieee802.3-c22";
+               reg = <1>;
+       };
 };