Initial commit

target/linux/mediatek/dts/mt7981b-yuncore-ax835.dts

@@ -0,0 +1,257 @@
+// 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 = <KEY_RESTART>;
+			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;
+		gpios = <&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
+	};
+};
+
+&eth {
+	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";
+};