arm64: allwinner: pine64-plus: Enable dwmac-sun8i

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: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 16 insertions, 1 deletions

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
index 790d14daaa6a..24f1aac366d6 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
@@ -46,5 +46,20 @@
         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>;
+        };
 };