openwrt/target/linux/ramips/dts/mt7621_mikrotik_rb750gr3.dts

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/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 RouterBOARD 750Gr3";

	aliases {
		led-boot = &led_usr;
		led-failsafe = &led_usr;
		led-running = &led_usr;
		led-upgrade = &led_usr;
	};

	chosen {
		bootargs = "console=ttyS0,115200";
	};

	leds {
		compatible = "gpio-leds";

		pwr {
			label = "rb750gr3:blue:pwr";
			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};

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

	keys {
		compatible = "gpio-keys-polled";
		poll-interval = <20>;

		mode {
			label = "mode";
			gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_0>;
		};

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

	beeper {
		compatible = "gpio-beeper";
		gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
	};

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

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

&spi0 {
	status = "okay";

	flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <20000000>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "RouterBoot";
				reg = <0x0 0x40000>;
				read-only;
				compatible = "fixed-partitions";
				#address-cells = <1>;
				#size-cells = <1>;

				partition@0 {
					label = "bootloader1";
					reg = <0x0 0xf000>;
					read-only;
				};

				hard_config: partition@f000 {
					label = "hard_config";
					reg = <0xf000 0x1000>;
					read-only;
				};

				partition@10000 {
					label = "bootloader2";
					reg = <0x10000 0xf000>;
					read-only;
				};

				partition@20000 {
					label = "soft_config";
					reg = <0x20000 0x1000>;
				};

				partition@30000 {
					label = "bios";
					reg = <0x30000 0x1000>;
					read-only;
				};
			};

			partition@40000 {
				compatible = "mikrotik,minor";
				label = "firmware";
				reg = <0x040000 0xfc0000>;
			};
		};
	};
};

&ethernet {
	mtd-mac-address = <&hard_config 0x0010>;
	mtd-mac-address-increment = <1>;
};

&pinctrl {
	state_default: pinctrl0 {
		gpio {
			/* via gpio7 (uart3 group) the PoE status can be read */
			ralink,group = "uart2", "uart3", "jtag", "wdt";
			ralink,function = "gpio";
		};
	};
};

&sdhci {
	status = "okay";
};