openwrtv4/target/linux/ramips/dts/RB750Gr3.dts

/dts-v1/;

#include "mt7621.dtsi"

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

/ {
	compatible = "mikrotik,rb750gr3", "mediatek,mt7621-soc";
	model = "MikroTik RB750Gr3";

	aliases {
		led-status = &led_pwr;
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x10000000>;
	};

	chosen {
		bootargs = "console=ttyS0,57600";
	};

	gpio-leds {
		compatible = "gpio-leds";

		led_pwr: pwr {
			label = "rb750gr3:blue:pwr";
			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
		};

		usr {
			label = "rb750gr3:green:usr";
			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
		};
	};

	gpio-keys-polled {
		compatible = "gpio-keys-polled";
		#address-cells = <1>;
		#size-cells = <0>;
		poll-interval = <20>;

		mode {
			label = "mode";
			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RFKILL>;
		};

		res {
			label = "res";
			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RESTART>;
		};
	};

	gpio_export {
		compatible = "gpio-export";
		#size-cells = <0>;

		buzzer {
			gpio-export,name = "buzzer";
			gpio-export,output = <0>;
			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
		};

		usb {
			gpio-export,name = "usb";
			gpio-export,output = <1>;
			gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
		};
	};
};

&spi0 {
	status = "okay";

	m25p80@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <10000000>;
		m25p,chunked-io = <32>;

		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 0xfb0000>;
		};

	};
};

&ethernet {
	mtd-mac-address = <&factory 0xe000>;
	mtd-mac-address-increment = <1>;
};

&pinctrl {
	state_default: pinctrl0 {
		gpio {
			ralink,group = "i2c", "uart2", "uart3", "pcie", "rgmii2", "jtag";
			ralink,function = "gpio";
		};
	};
};

&sdhci {
	status = "okay";
};