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diff --git a/arch/arm/boot/dts/intel-ixp42x-linksys-wrv54g.dts b/arch/arm/boot/dts/intel-ixp42x-linksys-wrv54g.dts
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+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for the Linksys WRV54G router
+ * Also known as Gemtek GTWX5715
+ * Based on a board file by George T. Joseph and other patches.
+ * This machine is based on IXP425.
+ */
+
+/dts-v1/;
+
+#include "intel-ixp42x.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Linksys WRV54G / Gemtek GTWX5715";
+ compatible = "linksys,wrv54g", "gemtek,gtwx5715", "intel,ixp42x";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory@0 {
+ /* 32 MB memory */
+ device_type = "memory";
+ reg = <0x00000000 0x2000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8";
+ stdout-path = "uart1:115200n8";
+ };
+
+ aliases {
+ /* UART2 is the primary console */
+ serial0 = &uart1;
+ serial1 = &uart0;
+ };
+
+ /* There is an unpopulated LED slot (3) connected to GPIO 8 */
+ leds {
+ compatible = "gpio-leds";
+ led-power {
+ label = "wrv54g:yellow:power";
+ gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ linux,default-trigger = "heartbeat";
+ };
+ led-wireless {
+ label = "wrv54g:yellow:wireless";
+ gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ };
+ led-internet {
+ label = "wrv54g:yellow:internet";
+ gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ };
+ led-dmz {
+ label = "wrv54g:green:dmz";
+ gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ };
+ };
+
+ /* This set-up comes from an OpenWrt patch */
+ spi {
+ compatible = "spi-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sck-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
+ miso-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
+ mosi-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+ cs-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
+ num-chipselects = <1>;
+
+ switch@0 {
+ compatible = "micrel,ks8995";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ };
+ };
+
+ soc {
+ bus@c4000000 {
+ flash@0,0 {
+ compatible = "intel,ixp4xx-flash", "cfi-flash";
+ bank-width = <2>;
+ /* Enable writes on the expansion bus */
+ intel,ixp4xx-eb-write-enable = <1>;
+ /* 8 MB of Flash mapped in at CS0 */
+ reg = <0 0x00000000 0x00800000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ /*
+ * Partition info from a boot log
+ * CHECKME: not using redboot? FIS index 0x3f @7e00000?
+ */
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "boot";
+ reg = <0x0 0x140000>;
+ read-only;
+ };
+ partition@140000 {
+ label = "linux";
+ reg = <0x140000 0x100000>;
+ read-only;
+ };
+ partition@240000 {
+ label = "root";
+ reg = <0x240000 0x480000>;
+ read-write;
+ };
+ };
+ };
+ };
+
+ pci@c0000000 {
+ status = "ok";
+
+ /*
+ * We have up to 2 slots (IDSEL) with 2 swizzled IRQs.
+ * Derived from the GTWX5715 PCI boardfile.
+ */
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map =
+ /* IDSEL 0 */
+ <0x0000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 0 is irq 10 */
+ <0x0000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 0 is irq 11 */
+ /* IDSEL 1 */
+ <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
+ <0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>; /* INT B on slot 1 is irq 10 */
+ };
+
+ /*
+ * EthB - connected to the KS8995 switch ports 1-4
+ * FIXME: the boardfile defines .phy_mask = 0x1e for this port to enable output to
+ * all four switch ports, also using an out of tree multiphy patch.
+ * Do we need a new binding and property for this?
+ */
+ ethernet@c8009000 {
+ status = "ok";
+ queue-rx = <&qmgr 3>;
+ queue-txready = <&qmgr 20>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy4>;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* Should be ports 1-4 on the KS8995 switch */
+ phy4: ethernet-phy@4 {
+ reg = <4>;
+ };
+
+ /* Should be port 5 on the KS8995 switch */
+ phy5: ethernet-phy@5 {
+ reg = <5>;
+ };
+ };
+ };
+
+ /* EthC - connected to KS8995 switch port 5 */
+ ethernet@c800a000 {
+ status = "ok";
+ queue-rx = <&qmgr 4>;
+ queue-txready = <&qmgr 21>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy5>;
+ };
+ };
+};