ARC: [plat-arcfpga] Enable arc_emac for ARCAngle4 Board

* Add arc_emac to DeviceTree DT description
  "Documentation/devicetree/bindings/net/arc_emac.txt".

* Update defconfig correspondingly

[vgupta: tweaked changelog]
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/arc/boot/dts/angel4.dts b/arch/arc/boot/dts/angel4.dts
index bae4f936cb03..4fb2d6f655bd 100644
--- a/arch/arc/boot/dts/angel4.dts
+++ b/arch/arc/boot/dts/angel4.dts
@@ -51,5 +51,21 @@
                         current-speed = <115200>;
                         status = "okay";
                 };
+
+                ethernet@c0fc2000 {
+                        compatible = "snps,arc-emac";
+                        reg = <0xc0fc2000 0x3c>;
+                        interrupts = <6>;
+                        mac-address = [ 00 11 22 33 44 55 ];
+                        clock-frequency = <80000000>;
+                        max-speed = <100>;
+                        phy = <&phy0>;
+
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        phy0: ethernet-phy@0 {
+                                reg = <1>;
+                        };
+                };
         };
 };