openwrt/target/linux/mediatek/dts/mt7986a-xiaomi-redmi-router-ax6000.dts

// SPDX-License-Identifier: (GPL-2.0 OR MIT)

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

#include "mt7986a.dtsi"

/ {
	model = "Xiaomi Redmi Router AX6000";
	compatible = "xiaomi,redmi-router-ax6000", "mediatek,mt7986a";

	aliases {
		serial0 = &uart0;
	};

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

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

	keys {
		compatible = "gpio-keys";

		reset {
			label = "reset";
			gpios = <&pio 9 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RESTART>;
		};

		mesh {
			label = "mesh";
			gpios = <&pio 10 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_9>;
			linux,input-type = <EV_SW>;
		};
	};
};

&eth {
	status = "okay";

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

		nvmem-cells = <&macaddr_factory_4>;
		nvmem-cell-names = "mac-address";
		mac-address-increment = <(-1)>;

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

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

&mdio {
	switch: switch@0 {
		compatible = "mediatek,mt7531";
		reg = <31>;
		reset-gpios = <&pio 5 GPIO_ACTIVE_HIGH>;
		interrupt-controller;
		#interrupt-cells = <1>;
		interrupt-parent = <&pio>;
		interrupts = <66 IRQ_TYPE_LEVEL_HIGH>;
	};
};

&pio {
	spi_flash_pins: spi-flash-pins-33-to-38 {
		mux {
			function = "spi";
			groups = "spi0", "spi0_wp_hold";
		};
		conf-pu {
			pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
			drive-strength = <8>;
			mediatek,pull-up-adv = <0>; /* bias-disable */
		};
		conf-pd {
			pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
			drive-strength = <8>;
			mediatek,pull-down-adv = <0>; /* bias-disable */
		};
	};

	wf_2g_5g_pins: wf_2g_5g-pins {
		mux {
			function = "wifi";
			groups = "wf_2g", "wf_5g";
		};
		conf {
			pins = "WF0_HB1", "WF0_HB2", "WF0_HB3", "WF0_HB4",
			       "WF0_HB0", "WF0_HB0_B", "WF0_HB5", "WF0_HB6",
			       "WF0_HB7", "WF0_HB8", "WF0_HB9", "WF0_HB10",
			       "WF0_TOP_CLK", "WF0_TOP_DATA", "WF1_HB1",
			       "WF1_HB2", "WF1_HB3", "WF1_HB4", "WF1_HB0",
			       "WF1_HB5", "WF1_HB6", "WF1_HB7", "WF1_HB8",
			       "WF1_TOP_CLK", "WF1_TOP_DATA";
			drive-strength = <4>;
		};
	};
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi_flash_pins>;
	cs-gpios = <0>, <0>;
	status = "okay";

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

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

		spi-max-frequency = <20000000>;
		spi-tx-buswidth = <4>;
		spi-rx-buswidth = <4>;

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

			partition@0 {
				label = "BL2";
				reg = <0x0 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;

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

				macaddr_factory_4: macaddr@4 {
					reg = <0x4 0x6>;
				};
			};

			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;
			};

			/* ubi partition is the result of squashing
			 * consecutive stock partitions:
			 * - ubi
			 * - ubi1
			 * - overlay
			 */
			partition@600000 {
				label = "ubi";
				reg = <0x600000 0x6e00000>;
			};

			/* last 12 MiB is reserved for NMBM bad block table */
		};
	};
};

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

		port@1 {
			reg = <1>;
			label = "lan4";
		};

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

		port@3 {
			reg = <3>;
			label = "lan2";
		};

		port@4 {
			reg = <4>;
			label = "wan";
		};

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

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

&wmac {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&wf_2g_5g_pins>;

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

&uart0 {
	status = "okay";
};