arm64: tegra: Enable MGBE on Jetson AGX Orin Developer Kit

A Multi-Gigabit Ethernet (MGBE) instance drives the primary Ethernet
port on the Jetson AGX Orin Developer Kit. Enable it.

Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
index dc11a4f..2aded15 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
@@ -2017,6 +2017,27 @@
                stdout-path = "serial0:115200n8";
        };
 
+       bus@0 {
+               ethernet@6800000 {
+                       status = "okay";
+
+                       phy-handle = <&mgbe0_phy>;
+                       phy-mode = "usxgmii";
+
+                       mdio {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               mgbe0_phy: phy@0 {
+                                       compatible = "ethernet-phy-ieee802.3-c45";
+                                       reg = <0x0>;
+
+                                       #phy-cells = <0>;
+                               };
+                       };
+               };
+       };
+
        gpio-keys {
                compatible = "gpio-keys";
                status = "okay";