[PATCH] arm64: allwinner: h6: orangepi-one-plus: Add Ethernet support

[Jagan Teki]

Add Ethernet support for orangepi-one-plus board,
- Ethernet port connected via RTL8211E PHY
- GMAC_EN is connected via PD6
- GMAC-3V supplied from ALDO2 regulator

Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
---
 .../allwinner/sun50i-h6-orangepi-one-plus.dts | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dts
index 0612c19cd994..eca5b7ea0d6d 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dts
@@ -21,6 +21,35 @@
        chosen {
                stdout-path = "serial0:115200n8";
        };
+
+       reg_gmac_3v3: gmac-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc-gmac-3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               startup-delay-us = <100000>;
+               enable-active-high;
+               gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* PD6 */
+               vin-supply = <&reg_aldo2>;
+       };
+};
+
+&emac {
+       pinctrl-names = "default";
+       pinctrl-0 = <&ext_rgmii_pins>;
+       phy-mode = "rgmii";
+       phy-handle = <&ext_rgmii_phy>;
+       phy-supply = <&reg_gmac_3v3>;
+       allwinner,rx-delay-ps = <200>;
+       allwinner,tx-delay-ps = <200>;
+       status = "okay";
+};
+
+&mdio {
+       ext_rgmii_phy: ethernet-phy@1 {
+               compatible = "ethernet-phy-ieee802.3-c22";
+               reg = <1>;
+       };
 };
 
 &mmc0 {
-- 
2.18.0.321.gffc6fa0e3