arm64: dts: NS2: add AMAC ethernet support

Add support for the AMAC ethernet to the Broadcom Northstar2 SoC device
tree
Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/arm64/boot/dts/broadcom/ns2-svk.dts

@@ -56,6 +56,10 @@ memory {
 	};
 };
 
+&enet {
+	status = "ok";
+};
+
 &pci_phy0 {
 	status = "ok";
 };
@@ -174,6 +178,7 @@ nandcs@0 {
 &mdio_mux_iproc {
 	mdio@10 {
 		gphy0: eth-phy@10 {
+			enet-phy-lane-swap;
 			reg = <0x10>;
 		};
 	};

arch/arm64/boot/dts/broadcom/ns2.dtsi

@@ -191,6 +191,18 @@ soc: soc {
 
 		#include "ns2-clock.dtsi"
 
+		enet: ethernet@61000000 {
+			compatible = "brcm,ns2-amac";
+			reg = <0x61000000 0x1000>,
+			      <0x61090000 0x1000>,
+			      <0x61030000 0x100>;
+			reg-names = "amac_base", "idm_base", "nicpm_base";
+			interrupts = <GIC_SPI 341 IRQ_TYPE_LEVEL_HIGH>;
+			phy-handle = <&gphy0>;
+			phy-mode = "rgmii";
+			status = "disabled";
+		};
+
 		dma0: dma@61360000 {
 			compatible = "arm,pl330", "arm,primecell";
 			reg = <0x61360000 0x1000>;