openwrt/target/linux/mediatek/dts/mt7981b-cetron-ct3003.dts

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

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

#include "mt7981.dtsi"

/ {
	model = "Cetron CT3003";
	compatible = "cetron,ct3003", "mediatek,mt7981";

	aliases {
		serial0 = &uart0;
		led-boot = &led_status_red;
		led-failsafe = &led_status_red;
		led-running = &led_status_green;
		led-upgrade = &led_status_green;
	};

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

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

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

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

		wps {
			label = "wps";
			linux,code = <KEY_WPS_BUTTON>;
			gpios = <&pio 0 GPIO_ACTIVE_HIGH>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led_status_red: led_status_red {
			label = "red:status";
			gpios = <&pio 3 GPIO_ACTIVE_LOW>;
		};

		led_status_green: led_status_green {
			label = "green:status";
			gpios = <&pio 7 GPIO_ACTIVE_LOW>;
		};
	};
};

&eth {
	status = "okay";

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

		nvmem-cells = <&macaddr_art_0>;
		nvmem-cell-names = "mac-address";

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

&mdio_bus {
	switch: switch@0 {
		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>;
	};
};

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

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

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

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

			mediatek,nmbm;
			mediatek,bmt-max-ratio = <1>;
			mediatek,bmt-max-reserved-blocks = <64>;

			partition@0 {
				label = "BL2";
				reg = <0x0000000 0x0100000>;
				read-only;
			};

			partition@100000 {
				label = "u-boot-env";
				reg = <0x0100000 0x0080000>;
			};

			partition@180000 {
				label = "art";
				reg = <0x0180000 0x0100000>;
				read-only;

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

				macaddr_art_0: macaddr@0 {
					reg = <0x0 0x6>;
				};
			};

			factory: partition@280000 {
				label = "Factory";
				reg = <0x0280000 0x0100000>;
				read-only;
			};

			partition@380000 {
				label = "FIP";
				reg = <0x0380000 0x0200000>;
				read-only;
			};

			partition@580000 {
				label = "ubi";
				reg = <0x0580000 0x2000000>;
			};

			partition@2580000 {
				label = "ubi_backup";
				reg = <0x2580000 0x2000000>;
			};

			partition@4580000 {
				label = "Config_backup";
				reg = <0x4580000 0x0400000>;
			};
		};
	};
};

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

		port@0 {
			reg = <0>;
			label = "lan1";
		};

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

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

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

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

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

&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>;
		};
	};
};

&uart0 {
	status = "okay";
};

&watchdog {
	status = "okay";
};

&wifi {
	status = "okay";

	mediatek,mtd-eeprom = <&factory 0x0>;
};