openwrt/target/linux/mediatek/dts/mt7981b-xiaomi-mi-router-common.dtsi

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT

/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>

#include "mt7981.dtsi"

/ {
	aliases {
		serial0 = &uart0;
		led-boot = &led_status_yellow;
		led-failsafe = &led_status_yellow;
		led-running = &led_status_blue;
		led-upgrade = &led_status_yellow;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory {
		reg = <0 0x40000000 0 0x10000000>;
	};

	gpio-keys {
		compatible = "gpio-keys";

		button-mesh {
			label = "mesh";
			gpios = <&pio 0 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_9>;
			linux,input-type = <EV_SW>;
		};

		button-reset {
			label = "reset";
			gpios = <&pio 1 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RESTART>;
		};
	};

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

		led_status_blue: led-status-blue {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_STATUS;
			gpios = <&pio 9 GPIO_ACTIVE_LOW>;
		};

		led_status_yellow: led-status-yellow {
			color = <LED_COLOR_ID_YELLOW>;
			function = LED_FUNCTION_STATUS;
			gpios = <&pio 10 GPIO_ACTIVE_LOW>;
		};
	};
};

&eth {
	status = "okay";

	gmac0: mac@0 {
		compatible = "mediatek,eth-mac";
		reg = <0>;
		phy-mode = "2500base-x";

		fixed-link {
			speed = <2500>;
			full-duplex;
			pause;
		};
	};
};

&mdio_bus {
	switch: switch@1f {
		compatible = "mediatek,mt7531";
		reg = <31>;
		reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>;
		interrupt-controller;
		#interrupt-cells = <1>;
		interrupt-parent = <&pio>;
		interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
	};
};

&switch {
	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		port@0 {
			reg = <0>;
			label = "wan";
		};

		port@1 {
			reg = <1>;
			label = "lan2";
		};

		port@2 {
			reg = <2>;
			label = "lan3";
		};

		port@3 {
			reg = <3>;
			label = "lan4";
		};

		port@6 {
			reg = <6>;
			ethernet = <&gmac0>;
			phy-mode = "2500base-x";

			fixed-link {
				speed = <2500>;
				full-duplex;
				pause;
			};
		};
	};
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_flash_pins>;
	status = "okay";

	spi_nand: flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "spi-nand";
		reg = <0>;

		spi-max-frequency = <52000000>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;

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

			partition@0 {
				label = "BL2";
				reg = <0x00 0x100000>;
				read-only;
			};

			partition@100000 {
				label = "Nvram";
				reg = <0x100000 0x40000>;
			};

			partition@140000 {
				label = "Bdata";
				reg = <0x140000 0x40000>;
			};

			factory: partition@180000 {
				label = "Factory";
				reg = <0x180000 0x200000>;
				read-only;

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

					eeprom_factory_0: eeprom@0 {
						reg = <0x0 0x1000>;
					};

					macaddr_factory_4: macaddr@4 {
						compatible = "mac-base";
						reg = <0x4 0x6>;
						#nvmem-cell-cells = <1>;
					};
				};
			};

			partition@380000 {
				label = "FIP";
				reg = <0x380000 0x200000>;
				read-only;
			};

			partition@580000 {
				label = "crash";
				reg = <0x580000 0x40000>;
				read-only;
			};

			partition@5c0000 {
				label = "crash_log";
				reg = <0x5c0000 0x40000>;
				read-only;
			};

			partition@7600000 {
				label = "KF";
				reg = <0x7600000 0x40000>;
				read-only;
			};
		};
	};
};

&pio {
	spi0_flash_pins: spi0-pins {
		mux {
			function = "spi";
			groups = "spi0", "spi0_wp_hold";
		};

		conf-pu {
			pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
			drive-strength = <MTK_DRIVE_8mA>;
			bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
		};

		conf-pd {
			pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
			drive-strength = <MTK_DRIVE_8mA>;
			bias-pull-down = <MTK_PUPD_SET_R1R0_11>;
		};
	};
};

&wifi {
	status = "okay";
	nvmem-cells = <&eeprom_factory_0>;
	nvmem-cell-names = "eeprom";
};

&uart0 {
	status = "okay";
};

&watchdog {
	status = "okay";
};