The NanoPi-A64 has the usual Realtek Gbit PHY connected to the EMAC,
so add the respective nodes to the DT. The PHY is powered by the
VDD_SYS_3.3V line, which is always on.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
  arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts | 17 +++++++++++++++++
  1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts
index 5caba225b4f7..bd35a093e6cd 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts

@@ -51,6 +51,7 @@
  	compatible = "friendlyarm,nanopi-a64", "allwinner,sun50i-a64";
  
  	aliases {
+		ethernet0 = &emac;
  		serial0 = &uart0;
  	};
  

@@ -67,6 +68,15 @@
  	status = "okay";
  };
  
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>;
+	phy-mode = "rgmii";
+	phy-handle = <&ext_rgmii_phy>;
+	phy-supply = <&reg_dcdc1>;
+	status = "okay";
+};
+
  /* i2c1 connected with gpio headers like pine64, bananapi */
  &i2c1 {
  	pinctrl-names = "default";

@@ -78,6 +88,13 @@
  	bias-pull-up;
  };
  
+&mdio {
+	ext_rgmii_phy: ethernet-phy at 1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
+};
+
  &mmc0 {
  	pinctrl-names = "default";
  	pinctrl-0 = <&mmc0_pins>;