xx_vv_immortalwrt/target/linux/mediatek/dts/mt7981b-mercusys-mr80x-v3.dts

// SPDX-License-Identifier: GPL-2.0

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

#include "mt7981.dtsi"
/ {
	model = "MERCUSYS MR80X v3";
	compatible = "mercusys,mr80x-v3", "mediatek,mt7981";

	aliases {
		led-boot = &led_status_green;
		led-failsafe = &led_status_amber;
		led-running = &led_status_green;
		led-upgrade = &led_status_green;

		serial0 = &uart0;
	};

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

	memory {
		reg = <0 0x40000000 0 0x20000000>;
	};

	keys {
		compatible = "gpio-keys";

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

	leds {
		compatible = "gpio-leds";

		led_status_amber: led-0 {
			color = <LED_COLOR_ID_AMBER>;
			function = LED_FUNCTION_STATUS;
			gpios = <&pio 4 GPIO_ACTIVE_LOW>;
		};

		led_status_green: led-1 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_STATUS;
			gpios = <&pio 5 GPIO_ACTIVE_LOW>;
		};

		led-2 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_LAN;
			function-enumerator = <1>;
			gpios = <&pio 6 GPIO_ACTIVE_LOW>;
		};

		led-3 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_LAN;
			function-enumerator = <2>;
			gpios = <&pio 7 GPIO_ACTIVE_LOW>;
		};

		led-4 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_WAN;
			gpios = <&pio 9 GPIO_ACTIVE_LOW>;
		};

		led-5 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_LAN;
			function-enumerator = <3>;
			gpios = <&pio 10 GPIO_ACTIVE_LOW>;
		};
	};
};

&uart0 {
	status = "okay";
};

&watchdog {
	status = "okay";
};

&eth {
	status = "okay";

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

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

	gmac1: mac@1 {
		compatible = "mediatek,eth-mac";
		reg = <1>;
		phy-mode = "gmii";
		phy-handle = <&int_gbe_phy>;
	};

	mdio: mdio-bus {
		#address-cells = <1>;
		#size-cells = <0>;

		switch@1f {
			compatible = "mediatek,mt7531";
			reg = <31>;
			reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>;

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

				port@1 {
					reg = <1>;
					label = "lan1";
				};

				port@2 {
					reg = <2>;
					label = "lan2";
				};

				port@3 {
					reg = <3>;
					label = "lan3";
				};

				port@6 {
					reg = <6>;
					label = "cpu";
					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: spi_nand@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 {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "boot";
				reg = <0x00000 0x0200000>;
				read-only;
			};

			partition@200000 {
				label = "u-boot-env";
				reg = <0x0200000 0x0100000>;
			};

			partition@300000 {
				label = "ubi0";
				reg = <0x300000 0x3200000>;
			};

			partition@3500000 {
				label = "ubi1";
				reg = <0x3500000 0x3200000>;
				read-only;
			};

			partition@6700000 {
				label = "userconfig";
				reg = <0x6700000 0x800000>;
				read-only;
			};

			partition@6f00000 {
				label = "tp_data";
				reg = <0x6f00000 0x800000>;
				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";
};