linux/linux-5.4.31/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

#include "ar9331.dtsi"

/ {
	model = "TP-Link TL-MR3020";
	compatible = "tplink,tl-mr3020";

	aliases {
		serial0 = &uart;
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x2000000>;
	};

	leds {
		compatible = "gpio-leds";

		wlan {
			label = "tp-link:green:wlan";
			gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};

		lan {
			label = "tp-link:green:lan";
			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		wps {
			label = "tp-link:green:wps";
			gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led3g {
			label = "tp-link:green:3g";
			gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};

	gpio-keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		button@0 {
			label = "wps";
			linux,code = <KEY_WPS_BUTTON>;
			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
		};

		button@1 {
			label = "sw1";
			linux,code = <BTN_0>;
			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
		};

		button@2 {
			label = "sw2";
			linux,code = <BTN_1>;
			gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
		};
	};

	reg_usb_vbus: reg_usb_vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio 8 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&ref {
	clock-frequency = <25000000>;
};

&uart {
	status = "okay";
};

&gpio {
	status = "okay";
};

&usb {
	dr_mode = "host";
	vbus-supply = <&reg_usb_vbus>;
	status = "okay";
};

&usb_phy {
	status = "okay";
};

&spi {
	num-chipselects = <1>;
	status = "okay";

	/* Spansion S25FL032PIF SPI flash */
	spiflash: s25sl032p@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "spansion,s25sl032p", "jedec,spi-nor";
		spi-max-frequency = <104000000>;
		reg = <0>;
	};
};