Enable the gigabit ethernet for the Bananapi M2 Ultra board.
Tested on BananaPi M2 Berry (R40), custom board (V40)

Signed-off-by: Lothar Felten <lothar.fel...@gmail.com>
---
 arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts | 14 ++++++++++++++
 configs/Bananapi_M2_Ultra_defconfig          |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts 
b/arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts
index ab471ab0bf..25f2112fbf 100644
--- a/arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts
+++ b/arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts
@@ -67,3 +67,17 @@
        pinctrl-0 = <&uart0_pb_pins>;
        status = "okay";
 };
+
+&gmac {
+       pinctrl-names = "default";
+       pinctrl-0 = <&gmac_pins_rgmii>;
+       status = "okay";
+       phy-handle = <&rgmii_phy>;
+};
+
+&mdio {
+       rgmii_phy: ethernet-phy@1 {
+               compatible = "ethernet-phy-ieee802.3-c22";
+               reg = <1>;
+       };
+};
diff --git a/configs/Bananapi_M2_Ultra_defconfig 
b/configs/Bananapi_M2_Ultra_defconfig
index 37cc2df5dc..b550dc052d 100644
--- a/configs/Bananapi_M2_Ultra_defconfig
+++ b/configs/Bananapi_M2_Ultra_defconfig
@@ -17,3 +17,6 @@ CONFIG_AXP_DLDO4_VOLT=2500
 CONFIG_AXP_ELDO3_VOLT=1200
 CONFIG_SCSI=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y
+CONFIG_SUN8I_EMAC=y
+CONFIG_RGMII=y
+CONFIG_MACPWR="PA17"
-- 
2.14.1

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