ARM: dts: BCM5301X: Add DT for Luxul ABR-4500

This is BCM47094 (AKA BCM4709C0) based router with rear-facing ports
board design.

Signed-off-by: Dan Haab <dhaab@luxul.com>
Acked-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/Makefile

@@ -100,6 +100,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
 	bcm4709-tplink-archer-c9-v1.dtb \
 	bcm47094-dlink-dir-885l.dtb \
 	bcm47094-linksys-panamera.dtb \
+	bcm47094-luxul-abr-4500.dtb \
 	bcm47094-luxul-xbr-4500.dtb \
 	bcm47094-luxul-xwr-3100.dtb \
 	bcm47094-netgear-r8500.dtb \

arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2017 Luxul Inc.
+ *
+ * Licensed under the ISC license.
+ */
+
+/dts-v1/;
+
+#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
+
+/ {
+	compatible = "luxul,abr-4500-v1", "brcm,bcm47094", "brcm,bcm4708";
+	model = "Luxul ABR-4500 V1";
+
+	chosen {
+		bootargs = "earlycon";
+	};
+
+	memory {
+		reg = <0x00000000 0x08000000
+		       0x88000000 0x18000000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		status {
+			label = "bcm53xx:green:status";
+			gpios = <&chipcommon 20 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "timer";
+		};
+
+		usb3 {
+			label = "bcm53xx:green:usb3";
+			gpios = <&chipcommon 19 GPIO_ACTIVE_LOW>;
+			trigger-sources = <&ohci_port1>, <&ehci_port1>,
+				<&xhci_port1>;
+			linux,default-trigger = "usbport";
+		};
+
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		restart {
+			label = "Reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&usb3 {
+	vcc-gpio = <&chipcommon 18 GPIO_ACTIVE_HIGH>;
+};
+
+&spi_nor {
+	status = "okay";
+};