// SPDX-License-Identifier: (GPL-2.0 OR MIT) /dts-v1/; #include "mt7981.dtsi" / { compatible = "yuncore,ax835", "mediatek,mt7981"; model = "YunCore AX835"; aliases { led-boot = &led_system; led-failsafe = &led_system; led-running = &led_system; led-upgrade = &led_system; serial0 = &uart0; }; chosen { stdout-path = "serial0:115200n8"; }; gpio-keys { compatible = "gpio-keys"; reset { label = "reset"; linux,code = ; gpios = <&pio 1 GPIO_ACTIVE_LOW>; }; }; reg_led_vbus { compatible = "regulator-fixed"; regulator-name = "led_vbus"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-always-on; gpio = <&pio 5 GPIO_ACTIVE_HIGH>; }; leds { compatible = "gpio-leds"; led_system: led_system { label = "red:system"; gpios = <&pio 4 GPIO_ACTIVE_LOW>; }; led_wifi24 { label = "green:wifi2"; gpios = <&pio 34 GPIO_ACTIVE_LOW>; linux,default-trigger = "phy0tpt"; }; led_wifi5 { label = "blue:wifi5"; gpios = <&pio 35 GPIO_ACTIVE_LOW>; linux,default-trigger = "phy1tpt"; }; led_hwwatchdog { // a gpio-wdt watchdog couldn't be made to work. // the device rebooted after 5 minutes. label = "hwwatchdog"; gpios = <&pio 7 GPIO_ACTIVE_LOW>; linux,default-trigger = "timer"; led-pattern = <1000>, <1000>; }; // there's another "syswatchdog" on gpio2 }; }; ð { pinctrl-names = "default"; pinctrl-0 = <&mdio_pins>; status = "okay"; gmac0: mac@0 { compatible = "mediatek,eth-mac"; reg = <0>; phy-mode = "2500base-x"; nvmem-cell-names = "mac-address"; nvmem-cells = <&macaddr_factory_2a>; fixed-link { speed = <2500>; full-duplex; pause; }; }; }; &mdio_bus { switch: switch@1f { compatible = "mediatek,mt7531"; reg = <31>; reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>; }; }; &pio { spi0_flash_pins: spi0-pins { mux { function = "spi"; groups = "spi0", "spi0_wp_hold"; }; }; spi2_flash_pins: spi2-pins { mux { function = "spi"; groups = "spi2", "spi2_wp_hold"; }; conf-pu { pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP"; drive-strength = <8>; bias-pull-up = <103>; }; conf-pd { pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO"; drive-strength = <8>; bias-pull-down = <103>; }; }; }; &spi0 { pinctrl-names = "default"; pinctrl-0 = <&spi0_flash_pins>; status = "disabled"; }; &spi2 { pinctrl-names = "default"; pinctrl-0 = <&spi2_flash_pins>; status = "okay"; flash@0 { #address-cells = <1>; #size-cells = <1>; compatible = "jedec,spi-nor"; 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@00000 { label = "BL2"; reg = <0x00000 0x40000>; read-only; }; partition@40000 { label = "u-boot-env"; reg = <0x40000 0x10000>; read-only; }; factory: partition@50000 { label = "Factory"; reg = <0x50000 0x10000>; read-only; nvmem-layout { compatible = "fixed-layout"; #address-cells = <1>; #size-cells = <1>; eeprom_factory: eeprom@0 { reg = <0x0 0x1000>; }; macaddr_factory_4: macaddr@4 { reg = <0x4 0x6>; }; macaddr_factory_24: macaddr@24 { reg = <0x24 0x6>; }; macaddr_factory_2a: macaddr@2a { reg = <0x2a 0x6>; }; }; }; partition@100000 { label = "FIP"; reg = <0x100000 0x80000>; read-only; }; partition@180000 { compatible = "denx,fit"; label = "firmware"; reg = <0x180000 0xe00000>; }; }; }; }; &switch { ports { #address-cells = <1>; #size-cells = <0>; port@3 { reg = <3>; label = "lan"; }; 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; }; }; }; }; &uart0 { status = "okay"; }; &watchdog { status = "okay"; }; &wifi { status = "okay"; nvmem-cells = <&eeprom_factory 0>; nvmem-cell-names = "eeprom"; };