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linux-7.2.3/arch/mips/boot/dts/ralink/Makefile

@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_DTB_RT2880_EVAL)	+= rt2880_eval.dtb
+dtb-$(CONFIG_DTB_RT305X_EVAL)	+= rt3052_eval.dtb
+dtb-$(CONFIG_DTB_RT3883_EVAL)	+= rt3883_eval.dtb
+dtb-$(CONFIG_DTB_MT7620A_EVAL)	+= mt7620a_eval.dtb
+dtb-$(CONFIG_DTB_OMEGA2P)	+= omega2p.dtb
+dtb-$(CONFIG_DTB_VOCORE2)	+= vocore2.dtb
+
+dtb-$(CONFIG_SOC_MT7621) += \
+	mt7621-gnubee-gb-pc1.dtb \
+	mt7621-gnubee-gb-pc2.dtb \
+	mt7621-tplink-hc220-g5-v1.dtb

linux-7.2.3/arch/mips/boot/dts/ralink/gardena_smart_gateway_mt7688.dts

@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 Stefan Roese <sr@denx.de>
+ */
+
+/dts-v1/;
+
+#include "mt7628a.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "gardena,smart-gateway-mt7688", "ralink,mt7688a-soc",
+		     "ralink,mt7628a-soc";
+	model = "GARDENA smart Gateway (MT7688)";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x8000000>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinmux_gpio_gpio>;	/* GPIO11 */
+
+		button {
+			label = "USER_BTN1";
+			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
+			linux,code =<KEY_PROG1> ;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinmux_pwm0_gpio>,	/* GPIO18 */
+			    <&pinmux_pwm1_gpio>,	/* GPIO19 */
+			    <&pinmux_sdmode_gpio>,	/* GPIO22..29 */
+			    <&pinmux_p0led_an_gpio>;	/* GPIO43 */
+		/*
+		 * <&pinmux_i2s_gpio> (covers GPIO0..3) is needed here as
+		 * well for GPIO3. But this is already claimed for uart1
+		 * (see below). So we can't include it in this LED node.
+		 */
+
+		led-power-blue {
+			label = "smartgw:power:blue";
+			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-power-green {
+			label = "smartgw:power:green";
+			gpios = <&gpio 19 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "timer";
+		};
+
+		led-power-red {
+			label = "smartgw:power:red";
+			gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-radio-blue {
+			label = "smartgw:radio:blue";
+			gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-radio-green {
+			label = "smartgw:radio:green";
+			gpios = <&gpio 24 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-radio-red {
+			label = "smartgw:radio:red";
+			gpios = <&gpio 25 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-internet-blue {
+			label = "smartgw:internet:blue";
+			gpios = <&gpio 26 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-internet-green {
+			label = "smartgw:internet:green";
+			gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-internet-red {
+			label = "smartgw:internet:red";
+			gpios = <&gpio 28 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-ethernet-link {
+			label = "smartgw:eth:link";
+			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "netdev";
+		};
+
+		led-ethernet-activity {
+			label = "smartgw:eth:act";
+			gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "netdev";
+		};
+	};
+
+	aliases {
+		serial0 = &uart0;
+	};
+};
+
+&i2c {
+	status = "okay";
+};
+
+&spi {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinmux_spi_spi>, <&pinmux_spi_cs1_cs>;
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <40000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "uboot";
+				reg = <0x0 0xa0000>;
+				read-only;
+			};
+
+			partition@a0000 {
+				label = "uboot_env0";
+				reg = <0xa0000 0x10000>;
+			};
+
+			partition@b0000 {
+				label = "uboot_env1";
+				reg = <0xb0000 0x10000>;
+			};
+
+			factory: partition@c0000 {
+				label = "factory";
+				reg = <0xc0000 0x10000>;
+				read-only;
+			};
+		};
+	};
+
+	nand_flash@1 {
+		compatible = "spi-nand";
+		linux,mtd-name = "gd5f";
+		reg = <1>;
+		spi-max-frequency = <40000000>;
+	};
+};
+
+&uart1 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinmux_i2s_gpio>;		/* GPIO0..3 */
+
+	fifo-size = <8>;
+	tx-threshold = <8>;
+
+	rts-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+	cts-gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
+};
+
+&uart2 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinmux_p2led_an_gpio>,	/* GPIO41 */
+		    <&pinmux_p3led_an_gpio>;	/* GPIO40 */
+
+	rts-gpios = <&gpio 40 GPIO_ACTIVE_LOW>;
+	cts-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&wmac {
+	status = "okay";
+	mediatek,mtd-eeprom = <&factory 0x0000>;
+};

linux-7.2.3/arch/mips/boot/dts/ralink/mt7620a.dtsi

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/mediatek,mtmips-sysc.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ralink,mtk7620a-soc";
+
+	cpus {
+		cpu@0 {
+			compatible = "mips,mips24KEc";
+		};
+	};
+
+	cpuintc: cpuintc {
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		compatible = "mti,cpu-interrupt-controller";
+	};
+
+	palmbus@10000000 {
+		compatible = "palmbus";
+		reg = <0x10000000 0x200000>;
+                ranges = <0x0 0x10000000 0x1FFFFF>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sysc: syscon@0 {
+			compatible = "ralink,mt7620-sysc", "syscon";
+			reg = <0x0 0x100>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		intc: intc@200 {
+			compatible = "ralink,mt7620a-intc", "ralink,rt2880-intc";
+			reg = <0x200 0x100>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>;
+		};
+
+		memc@300 {
+			compatible = "ralink,mt7620a-memc", "ralink,rt3050-memc";
+			reg = <0x300 0x100>;
+		};
+
+		uartlite@c00 {
+			compatible = "ralink,mt7620a-uart", "ralink,rt2880-uart", "ns16550a";
+			reg = <0xc00 0x100>;
+
+			clocks = <&sysc MT7620_CLK_UARTLITE>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <12>;
+
+			reg-shift = <2>;
+		};
+	};
+
+	wmac: wifi@10180000 {
+		compatible = "ralink,rt2880-wifi";
+		reg = <0x10180000 0x40000>;
+
+		clocks = <&sysc 16>;
+
+		interrupt-parent = <&cpuintc>;
+		interrupts = <6>;
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/mt7620a_eval.dts

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "mt7620a.dtsi"
+
+/ {
+	compatible = "ralink,mt7620a-eval-board", "ralink,mt7620a-soc";
+	model = "Ralink MT7620A evaluation board";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x2000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc1.dts

@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "gnubee,gb-pc1", "mediatek,mt7621-soc";
+	model = "GnuBee GB-PC1";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x00000000 0x1c000000>,
+		      <0x20000000 0x04000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		key-reset {
+			label = "reset";
+			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		led-power {
+			label = "green:power";
+			gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "default-on";
+		};
+
+		led-system {
+			label = "green:system";
+			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "disk-activity";
+		};
+	};
+};
+
+&mmc {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+		broken-flash-reset;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+
+		partition@30000 {
+			label = "u-boot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+
+		factory: partition@40000 {
+			label = "factory";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+
+		partition@50000 {
+			label = "firmware";
+			reg = <0x50000 0x1fb0000>;
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&switch0 {
+	ports {
+		port@0 {
+			status = "okay";
+			label = "ethblack";
+		};
+
+		port@4 {
+			status = "okay";
+			label = "ethblue";
+		};
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/mt7621-gnubee-gb-pc2.dts

@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "gnubee,gb-pc2", "mediatek,mt7621-soc";
+	model = "GnuBee GB-PC2";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x00000000 0x1c000000>,
+		      <0x20000000 0x04000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		key-reset {
+			label = "reset";
+			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		led-ethblack-green {
+			label = "green:ethblack";
+			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
+		};
+
+		led-ethblue-green {
+			label = "green:ethblue";
+			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+		};
+
+		led-ethyellow-green {
+			label = "green:ethyellow";
+			gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
+		};
+
+		led-ethyellow-orange {
+			label = "orange:ethyellow";
+			gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
+		};
+
+		led-power {
+			label = "green:power";
+			gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "default-on";
+		};
+
+		led-system {
+			label = "green:system";
+			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "disk-activity";
+		};
+	};
+};
+
+&mmc {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+		broken-flash-reset;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+
+		partition@30000 {
+			label = "u-boot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+
+		factory: partition@40000 {
+			label = "factory";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+
+		partition@50000 {
+			label = "firmware";
+			reg = <0x50000 0x1fb0000>;
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&gmac1 {
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&ethphy5>;
+
+	fixed-link {
+		status = "disabled";
+	};
+};
+
+&mdio {
+	ethphy5: ethernet-phy@5 {
+		reg = <5>;
+	};
+};
+
+&switch0 {
+	ports {
+		port@0 {
+			status = "okay";
+			label = "ethblack";
+		};
+
+		port@4 {
+			status = "okay";
+			label = "ethblue";
+		};
+
+		port@5 {
+			status = "disabled";
+		};
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/mt7621-tplink-hc220-g5-v1.dts

@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	compatible = "tplink,hc220-g5-v1", "mediatek,mt7621-soc";
+	model = "TP-Link HC220 G5 v1";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x00000000 0x08000000>;
+	};
+
+	chosen {
+		bootargs = "earlycon console=ttyS0,115200";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		key-reset {
+			label = "reset";
+			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		key-wps {
+			label = "wps";
+			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-fault {
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_FAULT;
+			gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
+		};
+
+		led-power {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_POWER;
+			gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+		};
+
+		led-wps {
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_WPS;
+			gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&switch0 {
+	ports {
+		port@0 {
+			status = "okay";
+			label = "lan2";
+		};
+
+		port@1 {
+			status = "okay";
+			label = "lan1";
+		};
+
+		port@2 {
+			status = "okay";
+			label = "wan";
+		};
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/mt7621.dtsi

@@ -0,0 +1,601 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+#include <dt-bindings/interrupt-controller/mips-gic.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/mt7621-clk.h>
+#include <dt-bindings/reset/mt7621-reset.h>
+
+/ {
+	compatible = "mediatek,mt7621-soc";
+
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			compatible = "mips,mips1004Kc";
+			reg = <0>;
+			device_type = "cpu";
+		};
+
+		cpu@1 {
+			compatible = "mips,mips1004Kc";
+			reg = <1>;
+			device_type = "cpu";
+		};
+	};
+
+	cpuintc: cpuintc {
+		compatible = "mti,cpu-interrupt-controller";
+
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+
+		interrupt-controller;
+	};
+
+	mmc_fixed_3v3: regulator-3v3 {
+		compatible = "regulator-fixed";
+
+		enable-active-high;
+
+		regulator-always-on;
+		regulator-max-microvolt = <3300000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-name = "mmc_power";
+	};
+
+	mmc_fixed_1v8_io: regulator-1v8 {
+		compatible = "regulator-fixed";
+
+		enable-active-high;
+
+		regulator-always-on;
+		regulator-max-microvolt = <1800000>;
+		regulator-min-microvolt = <1800000>;
+		regulator-name = "mmc_io";
+	};
+
+	pinctrl: pinctrl {
+		compatible = "ralink,mt7621-pinctrl";
+
+		i2c_pins: i2c0-pins {
+			pinmux {
+				groups = "i2c";
+				function = "i2c";
+			};
+		};
+
+		mdio_pins: mdio0-pins {
+			pinmux {
+				groups = "mdio";
+				function = "mdio";
+			};
+		};
+
+		nand_pins: nand0-pins {
+			sdhci-pinmux {
+				groups = "sdhci";
+				function = "nand2";
+			};
+
+			spi-pinmux {
+				groups = "spi";
+				function = "nand1";
+			};
+		};
+
+		pcie_pins: pcie0-pins {
+			pinmux {
+				groups = "pcie";
+				function = "gpio";
+			};
+		};
+
+		rgmii1_pins: rgmii1-pins {
+			pinmux {
+				groups = "rgmii1";
+				function = "rgmii1";
+			};
+		};
+
+		rgmii2_pins: rgmii2-pins {
+			pinmux {
+				groups = "rgmii2";
+				function = "rgmii2";
+			};
+		};
+
+		sdhci_pins: sdhci0-pins {
+			pinmux {
+				groups = "sdhci";
+				function = "sdhci";
+			};
+		};
+
+		spi_pins: spi0-pins {
+			pinmux {
+				groups = "spi";
+				function = "spi";
+			};
+		};
+
+		uart1_pins: uart1-pins {
+			pinmux {
+				groups = "uart1";
+				function = "uart1";
+			};
+		};
+
+		uart2_pins: uart2-pins {
+			pinmux {
+				groups = "uart2";
+				function = "uart2";
+			};
+		};
+
+		uart3_pins: uart3-pins {
+			pinmux {
+				groups = "uart3";
+				function = "uart3";
+			};
+		};
+	};
+
+	palmbus: palmbus@1e000000 {
+		compatible = "palmbus";
+		reg = <0x1e000000 0x100000>;
+		ranges = <0x0 0x1e000000 0x0fffff>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sysc: syscon@0 {
+			compatible = "mediatek,mt7621-sysc", "syscon";
+			reg = <0x0 0x100>;
+
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+
+			clock-output-names = "xtal", "cpu", "bus",
+					     "50m", "125m", "150m",
+					     "250m", "270m";
+
+			ralink,memctl = <&memc>;
+		};
+
+		wdt: watchdog@100 {
+			compatible = "mediatek,mt7621-wdt";
+			reg = <0x100 0x100>;
+			mediatek,sysctl = <&sysc>;
+		};
+
+		gpio: gpio@600 {
+			compatible = "mediatek,mt7621-gpio";
+			reg = <0x600 0x100>;
+
+			#gpio-cells = <2>;
+			#interrupt-cells = <2>;
+
+			gpio-controller;
+			gpio-ranges = <&pinctrl 0 0 95>;
+
+			interrupt-controller;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		i2c: i2c@900 {
+			compatible = "mediatek,mt7621-i2c";
+			reg = <0x900 0x100>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			clocks = <&sysc MT7621_CLK_I2C>;
+			clock-names = "i2c";
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c_pins>;
+
+			resets = <&sysc MT7621_RST_I2C>;
+			reset-names = "i2c";
+
+			status = "disabled";
+		};
+
+		memc: memory-controller@5000 {
+			compatible = "mediatek,mt7621-memc", "syscon";
+			reg = <0x5000 0x1000>;
+		};
+
+		serial0: serial@c00 {
+			compatible = "ns16550a";
+			reg = <0xc00 0x100>;
+
+			reg-io-width = <4>;
+			reg-shift = <2>;
+
+			clocks = <&sysc MT7621_CLK_UART1>;
+
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SHARED 26 IRQ_TYPE_LEVEL_HIGH>;
+
+			no-loopback-test;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart1_pins>;
+		};
+
+		serial1: serial@d00 {
+			compatible = "ns16550a";
+			reg = <0xd00 0x100>;
+
+			reg-io-width = <4>;
+			reg-shift = <2>;
+
+			clocks = <&sysc MT7621_CLK_UART2>;
+
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SHARED 27 IRQ_TYPE_LEVEL_HIGH>;
+
+			no-loopback-test;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart2_pins>;
+
+			status = "disabled";
+		};
+
+		serial2: serial@e00 {
+			compatible = "ns16550a";
+			reg = <0xe00 0x100>;
+
+			reg-io-width = <4>;
+			reg-shift = <2>;
+
+			clocks = <&sysc MT7621_CLK_UART3>;
+
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SHARED 28 IRQ_TYPE_LEVEL_HIGH>;
+
+			no-loopback-test;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart3_pins>;
+
+			status = "disabled";
+		};
+
+		spi0: spi@b00 {
+			compatible = "ralink,mt7621-spi";
+			reg = <0xb00 0x100>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			clock-names = "spi";
+			clocks = <&sysc MT7621_CLK_SPI>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&spi_pins>;
+
+			reset-names = "spi";
+			resets = <&sysc MT7621_RST_SPI>;
+
+			status = "disabled";
+		};
+	};
+
+	mmc: mmc@1e130000 {
+		compatible = "mediatek,mt7620-mmc";
+		reg = <0x1e130000 0x4000>;
+
+		bus-width = <4>;
+
+		cap-mmc-highspeed;
+		cap-sd-highspeed;
+
+		clocks = <&sysc MT7621_CLK_SHXC>,
+			 <&sysc MT7621_CLK_50M>;
+		clock-names = "source", "hclk";
+
+		disable-wp;
+
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_SHARED 20 IRQ_TYPE_LEVEL_HIGH>;
+
+		max-frequency = <48000000>;
+
+		pinctrl-names = "default", "state_uhs";
+		pinctrl-0 = <&sdhci_pins>;
+		pinctrl-1 = <&sdhci_pins>;
+
+		vmmc-supply = <&mmc_fixed_3v3>;
+		vqmmc-supply = <&mmc_fixed_1v8_io>;
+
+		status = "disabled";
+	};
+
+	usb: usb@1e1c0000 {
+		compatible = "mediatek,mt8173-xhci", "mediatek,mtk-xhci";
+		reg = <0x1e1c0000 0x1000
+		       0x1e1d0700 0x0100>;
+		reg-names = "mac", "ippc";
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		clocks = <&sysc MT7621_CLK_XTAL>;
+		clock-names = "sys_ck";
+
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	gic: interrupt-controller@1fbc0000 {
+		compatible = "mti,gic";
+		reg = <0x1fbc0000 0x2000>;
+
+		#interrupt-cells = <3>;
+		interrupt-controller;
+
+		mti,reserved-cpu-vectors = <7>;
+
+		timer {
+			compatible = "mti,gic-timer";
+			clocks = <&sysc MT7621_CLK_CPU>;
+			interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
+		};
+	};
+
+	cpc: cpc@1fbf0000 {
+		compatible = "mti,mips-cpc";
+		reg = <0x1fbf0000 0x8000>;
+	};
+
+	cdmm: cdmm@1fbf8000 {
+		compatible = "mti,mips-cdmm";
+		reg = <0x1fbf8000 0x8000>;
+	};
+
+	ethernet: ethernet@1e100000 {
+		compatible = "mediatek,mt7621-eth";
+		reg = <0x1e100000 0x10000>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		clock-names = "fe", "ethif";
+		clocks = <&sysc MT7621_CLK_FE>, <&sysc MT7621_CLK_ETH>;
+
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&mdio_pins>, <&rgmii1_pins>, <&rgmii2_pins>;
+
+		reset-names = "fe", "eth";
+		resets = <&sysc MT7621_RST_FE>, <&sysc MT7621_RST_ETH>;
+
+		mediatek,ethsys = <&sysc>;
+
+		mdio: mdio-bus {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			switch0: switch@1f {
+				compatible = "mediatek,mt7621";
+				reg = <0x1f>;
+
+				#interrupt-cells = <1>;
+				interrupt-controller;
+				interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>;
+
+				reset-names = "mcm";
+				resets = <&sysc MT7621_RST_MCM>;
+
+				mediatek,mcm;
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						label = "swp0";
+						status = "disabled";
+					};
+
+					port@1 {
+						reg = <1>;
+						label = "swp1";
+						status = "disabled";
+					};
+
+					port@2 {
+						reg = <2>;
+						label = "swp2";
+						status = "disabled";
+					};
+
+					port@3 {
+						reg = <3>;
+						label = "swp3";
+						status = "disabled";
+					};
+
+					port@4 {
+						reg = <4>;
+						label = "swp4";
+						status = "disabled";
+					};
+
+					port@5 {
+						reg = <5>;
+
+						ethernet = <&gmac1>;
+						phy-mode = "rgmii";
+
+						fixed-link {
+							full-duplex;
+							pause;
+							speed = <1000>;
+						};
+					};
+
+					port@6 {
+						reg = <6>;
+
+						ethernet = <&gmac0>;
+						phy-mode = "trgmii";
+
+						fixed-link {
+							full-duplex;
+							pause;
+							speed = <1000>;
+						};
+					};
+				};
+			};
+		};
+
+		gmac0: mac@0 {
+			compatible = "mediatek,eth-mac";
+			reg = <0>;
+
+			phy-mode = "trgmii";
+
+			fixed-link {
+				full-duplex;
+				pause;
+				speed = <1000>;
+			};
+		};
+
+		gmac1: mac@1 {
+			compatible = "mediatek,eth-mac";
+			reg = <1>;
+
+			phy-mode = "rgmii";
+
+			fixed-link {
+				full-duplex;
+				pause;
+				speed = <1000>;
+			};
+		};
+
+	};
+
+	pcie: pcie@1e140000 {
+		compatible = "mediatek,mt7621-pci";
+		reg = <0x1e140000 0x100>, /* host-pci bridge registers */
+		      <0x1e142000 0x100>, /* pcie port 0 RC control registers */
+		      <0x1e143000 0x100>, /* pcie port 1 RC control registers */
+		      <0x1e144000 0x100>; /* pcie port 2 RC control registers */
+		ranges = <0x02000000 0 0x60000000 0x60000000 0 0x10000000>, /* pci memory */
+			 <0x01000000 0 0x00000000 0x1e160000 0 0x00010000>; /* io space */
+
+		#address-cells = <3>;
+		#interrupt-cells = <1>;
+		#size-cells = <2>;
+
+		device_type = "pci";
+
+		interrupt-map-mask = <0xf800 0 0 0>;
+		interrupt-map = <0x0000 0 0 0 &gic GIC_SHARED  4 IRQ_TYPE_LEVEL_HIGH>,
+				<0x0800 0 0 0 &gic GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH>,
+				<0x1000 0 0 0 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie_pins>;
+
+		reset-gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
+
+		status = "disabled";
+
+		pcie@0,0 {
+			reg = <0x0000 0 0 0 0>;
+			ranges;
+
+			#address-cells = <3>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+
+			clocks = <&sysc MT7621_CLK_PCIE0>;
+
+			device_type = "pci";
+
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH>;
+
+			phy-names = "pcie-phy0";
+			phys = <&pcie0_phy 1>;
+
+			resets = <&sysc MT7621_RST_PCIE0>;
+		};
+
+		pcie@1,0 {
+			reg = <0x0800 0 0 0 0>;
+			ranges;
+
+			#address-cells = <3>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+
+			clocks = <&sysc MT7621_CLK_PCIE1>;
+
+			device_type = "pci";
+
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH>;
+
+			phy-names = "pcie-phy1";
+			phys = <&pcie0_phy 1>;
+
+			resets = <&sysc MT7621_RST_PCIE1>;
+		};
+
+		pcie@2,0 {
+			reg = <0x1000 0 0 0 0>;
+			ranges;
+
+			#address-cells = <3>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+
+			clocks = <&sysc MT7621_CLK_PCIE2>;
+
+			device_type = "pci";
+
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
+
+			phy-names = "pcie-phy2";
+			phys = <&pcie2_phy 0>;
+
+			resets = <&sysc MT7621_RST_PCIE2>;
+		};
+	};
+
+	pcie0_phy: pcie-phy@1e149000 {
+		compatible = "mediatek,mt7621-pci-phy";
+		reg = <0x1e149000 0x0700>;
+
+		#phy-cells = <1>;
+
+		clocks = <&sysc MT7621_CLK_XTAL>;
+	};
+
+	pcie2_phy: pcie-phy@1e14a000 {
+		compatible = "mediatek,mt7621-pci-phy";
+		reg = <0x1e14a000 0x0700>;
+
+		#phy-cells = <1>;
+
+		clocks = <&sysc MT7621_CLK_XTAL>;
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/mt7628a.dtsi

@@ -0,0 +1,303 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/mediatek,mtmips-sysc.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ralink,mt7628a-soc";
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			compatible = "mti,mips24KEc";
+			device_type = "cpu";
+			reg = <0>;
+		};
+	};
+
+	cpuintc: interrupt-controller {
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		compatible = "mti,cpu-interrupt-controller";
+	};
+
+	palmbus@10000000 {
+		compatible = "palmbus";
+		reg = <0x10000000 0x200000>;
+		ranges = <0x0 0x10000000 0x1FFFFF>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sysc: syscon@0 {
+			compatible = "ralink,mt7628-sysc", "ralink,mt7688-sysc", "syscon";
+			reg = <0x0 0x60>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		pinmux: pinmux@60 {
+			compatible = "pinctrl-single";
+			reg = <0x60 0x8>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#pinctrl-cells = <2>;
+			pinctrl-single,bit-per-mux;
+			pinctrl-single,register-width = <32>;
+			pinctrl-single,function-mask = <0x1>;
+
+			pinmux_gpio_gpio: gpio-gpio-pins {
+				pinctrl-single,bits = <0x0 0x0 0x3>;
+			};
+
+			pinmux_spi_cs1_cs: spi-cs1-cs-pins {
+				pinctrl-single,bits = <0x0 0x0 0x30>;
+			};
+
+			pinmux_i2s_gpio: i2s-gpio-pins {
+				pinctrl-single,bits = <0x0 0x40 0xc0>;
+			};
+
+			pinmux_uart0_uart: uart0-uart0-pins {
+				pinctrl-single,bits = <0x0 0x0 0x300>;
+			};
+
+			pinmux_sdmode_sdxc: sdmode-sdxc-pins {
+				pinctrl-single,bits = <0x0 0x0 0xc00>;
+			};
+
+			pinmux_sdmode_gpio: sdmode-gpio-pins {
+				pinctrl-single,bits = <0x0 0x400 0xc00>;
+			};
+
+			pinmux_spi_spi: spi-spi-pins {
+				pinctrl-single,bits = <0x0 0x0 0x1000>;
+			};
+
+			pinmux_refclk_gpio: refclk-gpio-pins {
+				pinctrl-single,bits = <0x0 0x40000 0x40000>;
+			};
+
+			pinmux_i2c_i2c: i2c-i2c-pins {
+				pinctrl-single,bits = <0x0 0x0 0x300000>;
+			};
+
+			pinmux_uart1_uart: uart1-uart1-pins {
+				pinctrl-single,bits = <0x0 0x0 0x3000000>;
+			};
+
+			pinmux_uart2_uart: uart2-uart-pins {
+				pinctrl-single,bits = <0x0 0x0 0xc000000>;
+			};
+
+			pinmux_pwm0_pwm: pwm0-pwm-pins {
+				pinctrl-single,bits = <0x0 0x0 0x30000000>;
+			};
+
+			pinmux_pwm0_gpio: pwm0-gpio-pins {
+				pinctrl-single,bits = <0x0 0x10000000
+						       0x30000000>;
+			};
+
+			pinmux_pwm1_pwm: pwm1-pwm-pins {
+				pinctrl-single,bits = <0x0 0x0 0xc0000000>;
+			};
+
+			pinmux_pwm1_gpio: pwm1-gpio-pins {
+				pinctrl-single,bits = <0x0 0x40000000
+						       0xc0000000>;
+			};
+
+			pinmux_p0led_an_gpio: p0led-an-gpio-pins {
+				pinctrl-single,bits = <0x4 0x4 0xc>;
+			};
+
+			pinmux_p1led_an_gpio: p1led-an-gpio-pins {
+				pinctrl-single,bits = <0x4 0x10 0x30>;
+			};
+
+			pinmux_p2led_an_gpio: p2led-an-gpio-pins {
+				pinctrl-single,bits = <0x4 0x40 0xc0>;
+			};
+
+			pinmux_p3led_an_gpio: p3led-an-gpio-pins {
+				pinctrl-single,bits = <0x4 0x100 0x300>;
+			};
+
+			pinmux_p4led_an_gpio: p4led-an-gpio-pins {
+				pinctrl-single,bits = <0x4 0x400 0xc00>;
+			};
+		};
+
+		watchdog: watchdog@100 {
+			compatible = "mediatek,mt7621-wdt";
+			reg = <0x100 0x100>;
+			mediatek,sysctl = <&sysc>;
+
+			status = "disabled";
+		};
+
+		intc: interrupt-controller@200 {
+			compatible = "ralink,rt2880-intc";
+			reg = <0x200 0x100>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			resets = <&sysc 9>;
+			reset-names = "intc";
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>;
+
+			ralink,intc-registers = <0x9c 0xa0
+						 0x6c 0xa4
+						 0x80 0x78>;
+		};
+
+		memory-controller@300 {
+			compatible = "ralink,mt7620a-memc";
+			reg = <0x300 0x100>;
+		};
+
+		gpio: gpio@600 {
+			compatible = "mediatek,mt7621-gpio";
+			reg = <0x600 0x100>;
+
+			gpio-controller;
+			interrupt-controller;
+			#gpio-cells = <2>;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <6>;
+		};
+
+		spi: spi@b00 {
+			compatible = "ralink,mt7621-spi";
+			reg = <0xb00 0x100>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinmux_spi_spi>;
+
+			clocks = <&sysc MT76X8_CLK_SPI1>;
+
+			resets = <&sysc 18>;
+			reset-names = "spi";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
+
+		i2c: i2c@900 {
+			compatible = "mediatek,mt7621-i2c";
+			reg = <0x900 0x100>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinmux_i2c_i2c>;
+
+			clocks = <&sysc MT76X8_CLK_I2C>;
+
+			resets = <&sysc 16>;
+			reset-names = "i2c";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
+
+		uart0: uartlite@c00 {
+			compatible = "ns16550a";
+			reg = <0xc00 0x100>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinmux_uart0_uart>;
+
+			clocks = <&sysc MT76X8_CLK_UART0>;
+
+			resets = <&sysc 12>;
+			reset-names = "uart0";
+
+			interrupt-parent = <&intc>;
+			interrupts = <20>;
+
+			reg-shift = <2>;
+		};
+
+		uart1: uart1@d00 {
+			compatible = "ns16550a";
+			reg = <0xd00 0x100>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinmux_uart1_uart>;
+
+			clocks = <&sysc MT76X8_CLK_UART1>;
+
+			resets = <&sysc 19>;
+			reset-names = "uart1";
+
+			interrupt-parent = <&intc>;
+			interrupts = <21>;
+
+			reg-shift = <2>;
+		};
+
+		uart2: uart2@e00 {
+			compatible = "ns16550a";
+			reg = <0xe00 0x100>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinmux_uart2_uart>;
+
+			clocks = <&sysc MT76X8_CLK_UART2>;
+
+			resets = <&sysc 20>;
+			reset-names = "uart2";
+
+			interrupt-parent = <&intc>;
+			interrupts = <22>;
+
+			reg-shift = <2>;
+		};
+	};
+
+	usb_phy: usb-phy@10120000 {
+		compatible = "mediatek,mt7628-usbphy";
+		reg = <0x10120000 0x1000>;
+
+		#phy-cells = <0>;
+
+		ralink,sysctl = <&sysc>;
+		resets = <&sysc 22 &sysc 25>;
+		reset-names = "host", "device";
+	};
+
+	usb@101c0000 {
+		compatible = "generic-ehci";
+		reg = <0x101c0000 0x1000>;
+
+		phys = <&usb_phy>;
+		phy-names = "usb";
+
+		interrupt-parent = <&intc>;
+		interrupts = <18>;
+	};
+
+	wmac: wmac@10300000 {
+		compatible = "mediatek,mt7628-wmac";
+		reg = <0x10300000 0x100000>;
+
+		clocks = <&sysc MT76X8_CLK_WMAC>;
+
+		interrupt-parent = <&cpuintc>;
+		interrupts = <6>;
+
+		status = "disabled";
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/omega2p.dts

@@ -0,0 +1,18 @@
+/dts-v1/;
+
+#include "mt7628a.dtsi"
+
+/ {
+	compatible = "onion,omega2+", "ralink,mt7688a-soc", "ralink,mt7628a-soc";
+	model = "Onion Omega2+";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x8000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+		stdout-path = &uart0;
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/rt2880.dtsi

@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/mediatek,mtmips-sysc.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ralink,rt2880-soc";
+
+	cpus {
+		cpu@0 {
+			compatible = "mips,mips4KEc";
+		};
+	};
+
+	cpuintc: cpuintc {
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		compatible = "mti,cpu-interrupt-controller";
+	};
+
+	palmbus@300000 {
+		compatible = "palmbus";
+		reg = <0x300000 0x200000>;
+                ranges = <0x0 0x300000 0x1FFFFF>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sysc: syscon@0 {
+			compatible = "ralink,rt2880-sysc", "syscon";
+			reg = <0x0 0x100>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		intc: intc@200 {
+			compatible = "ralink,rt2880-intc";
+			reg = <0x200 0x100>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>;
+		};
+
+		memc@300 {
+			compatible = "ralink,rt2880-memc";
+			reg = <0x300 0x100>;
+		};
+
+		uartlite@c00 {
+			compatible = "ralink,rt2880-uart", "ns16550a";
+			reg = <0xc00 0x100>;
+
+			clocks = <&sysc RT2880_CLK_UARTLITE>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <8>;
+
+			reg-shift = <2>;
+		};
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/rt2880_eval.dts

@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "rt2880.dtsi"
+
+/ {
+	compatible = "ralink,rt2880-eval-board", "ralink,rt2880-soc";
+	model = "Ralink RT2880 evaluation board";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x8000000 0x2000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	cfi@1f000000 {
+		compatible = "cfi-flash";
+		reg = <0x1f000000 0x400000>;
+
+		bank-width = <2>;
+		device-width = <2>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "uboot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+		partition@30000 {
+			label = "uboot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+		partition@40000 {
+			label = "calibration";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+		partition@50000 {
+			label = "linux";
+			reg = <0x50000 0x3b0000>;
+		};
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/rt3050.dtsi

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/mediatek,mtmips-sysc.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ralink,rt3050-soc", "ralink,rt3052-soc", "ralink,rt3350-soc";
+
+	cpus {
+		cpu@0 {
+			compatible = "mips,mips24KEc";
+		};
+	};
+
+	cpuintc: cpuintc {
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		compatible = "mti,cpu-interrupt-controller";
+	};
+
+	palmbus@10000000 {
+		compatible = "palmbus";
+		reg = <0x10000000 0x200000>;
+		ranges = <0x0 0x10000000 0x1FFFFF>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sysc: syscon@0 {
+			compatible = "ralink,rt3052-sysc", "ralink,rt3050-sysc", "syscon";
+			reg = <0x0 0x100>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		intc: intc@200 {
+			compatible = "ralink,rt3052-intc", "ralink,rt2880-intc";
+			reg = <0x200 0x100>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>;
+		};
+
+		memc@300 {
+			compatible = "ralink,rt3052-memc", "ralink,rt3050-memc";
+			reg = <0x300 0x100>;
+		};
+
+		uartlite@c00 {
+			compatible = "ralink,rt3052-uart", "ralink,rt2880-uart", "ns16550a";
+			reg = <0xc00 0x100>;
+
+			clocks = <&sysc RT305X_CLK_UARTLITE>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <12>;
+
+			reg-shift = <2>;
+		};
+	};
+
+	usb@101c0000 {
+		compatible = "ralink,rt3050-usb", "snps,dwc2";
+		reg = <0x101c0000 40000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <18>;
+
+		status = "disabled";
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/rt3052_eval.dts

@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "rt3050.dtsi"
+
+/ {
+	compatible = "ralink,rt3052-eval-board", "ralink,rt3052-soc";
+	model = "Ralink RT3052 evaluation board";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x2000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	cfi@1f000000 {
+		compatible = "cfi-flash";
+		reg = <0x1f000000 0x800000>;
+
+		bank-width = <2>;
+		device-width = <2>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "uboot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+		partition@30000 {
+			label = "uboot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+		partition@40000 {
+			label = "calibration";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+		partition@50000 {
+			label = "linux";
+			reg = <0x50000 0x7b0000>;
+		};
+	};
+
+	usb@101c0000 {
+		status = "okay";
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/rt3883.dtsi

@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/mediatek,mtmips-sysc.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ralink,rt3883-soc";
+
+	cpus {
+		cpu@0 {
+			compatible = "mips,mips74Kc";
+		};
+	};
+
+	cpuintc: cpuintc {
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		compatible = "mti,cpu-interrupt-controller";
+	};
+
+	palmbus@10000000 {
+		compatible = "palmbus";
+		reg = <0x10000000 0x200000>;
+		ranges = <0x0 0x10000000 0x1FFFFF>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sysc: syscon@0 {
+			compatible = "ralink,rt3883-sysc", "syscon";
+			reg = <0x0 0x100>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		intc: intc@200 {
+			compatible = "ralink,rt3883-intc", "ralink,rt2880-intc";
+			reg = <0x200 0x100>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>;
+		};
+
+		memc@300 {
+			compatible = "ralink,rt3883-memc", "ralink,rt3050-memc";
+			reg = <0x300 0x100>;
+		};
+
+		uartlite@c00 {
+			compatible = "ralink,rt3883-uart", "ralink,rt2880-uart", "ns16550a";
+			reg = <0xc00 0x100>;
+
+			clocks = <&sysc RT3883_CLK_UARTLITE>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <12>;
+
+			reg-shift = <2>;
+		};
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/rt3883_eval.dts

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "rt3883.dtsi"
+
+/ {
+	compatible = "ralink,rt3883-eval-board", "ralink,rt3883-soc";
+	model = "Ralink RT3883 evaluation board";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x2000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+};

linux-7.2.3/arch/mips/boot/dts/ralink/vocore2.dts

@@ -0,0 +1,18 @@
+/dts-v1/;
+
+#include "mt7628a.dtsi"
+
+/ {
+	compatible = "vocore,vocore2", "ralink,mt7628a-soc";
+	model = "VoCore2";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x8000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS2,115200";
+		stdout-path = &uart2;
+	};
+};