--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+#include "mt7981.dtsi"
+/ {
+ model = "ASUS RT-AX52";
+ compatible = "asus,rt-ax52", "mediatek,mt7981";
+
+ aliases {
+ serial0 = &uart0;
+ label-mac-device = &gmac0;
+ led-boot = &led_system;
+ led-failsafe = &led_system;
+ led-running = &led_system;
+ led-upgrade = &led_system;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ bootargs-override = "";
+ };
+
+ memory {
+ reg = <0 0x40000000 0 0x10000000>;
+ };
+
+ keys {
+ compatible = "gpio-keys";
+
+ reset {
+ label = "reset";
+ gpios = <&pio 1 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ };
+
+ wps {
+ label = "wps";
+ gpios = <&pio 0 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_WPS_BUTTON>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ wlan24 {
+ function = LED_FUNCTION_WLAN_2GHZ;
+ color = <LED_COLOR_ID_WHITE>;
+ gpios = <&pio 34 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "phy0tpt";
+ };
+
+ wlan5 {
+ function = LED_FUNCTION_WLAN_5GHZ;
+ color = <LED_COLOR_ID_WHITE>;
+ gpios = <&pio 35 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "phy1tpt";
+ };
+
+ wan {
+ function = LED_FUNCTION_WAN;
+ color = <LED_COLOR_ID_BLUE>;
+ gpios = <&pio 8 GPIO_ACTIVE_LOW>;
+ };
+
+ led_system: system {
+ label = "blue:system";
+ gpios = <&pio 12 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ timer {
+ clock-frequency = <12996791>;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+ð {
+ status = "okay";
+
+ gmac0: mac@0 {
+ /* LAN */
+ compatible = "mediatek,eth-mac";
+ reg = <0>;
+ nvmem-cells = <&macaddr_factory_4>;
+ nvmem-cell-names = "mac-address";
+ phy-mode = "2500base-x";
+
+ fixed-link {
+ speed = <2500>;
+ full-duplex;
+ pause;
+ };
+ };
+
+ gmac1: mac@1 {
+ /* WAN */
+ compatible = "mediatek,eth-mac";
+ reg = <1>;
+ nvmem-cells = <&macaddr_factory_4>;
+ nvmem-cell-names = "mac-address";
+ phy-mode = "gmii";
+ phy-handle = <&phy0>;
+ label = "wan";
+ };
+
+ mdio: mdio-bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@0 {
+ compatible = "ethernet-phy-id03a2.9461";
+ reg = <0>;
+ phy-mode = "gmii";
+ #nvmem-cells = <&phy_calibration>;
+ #nvmem-cell-names = "phy-cal-data";
+ };
+
+ switch@1f {
+ compatible = "mediatek,mt7531";
+ reg = <31>;
+ reset-gpios = <&pio 39 0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "lan3";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan2";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan1";
+ };
+
+ 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_flash: flash@0 {
+ compatible = "u-boot-dont-touch-spi-nand";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0>;
+
+ spi-max-frequency = <52000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+
+ /*
+ * ASUS bootloader tries to replace the partitions defined in
+ * Device Tree and by that also deletes all additional properties
+ * needed for UBI and NVMEM-on-UBI.
+ * Prevent this from happening by tricking the loader to delete and
+ * replace a bait node instead (works with older bootloaders).
+ */
+ partitions: dummy {
+ compatible = "u-boot-dummy-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ reg = <0x0 0x0>;
+ label = "remove_me";
+ };
+ };
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ reg = <0x0 0x400000>;
+ label = "bootloader";
+ read-only;
+ };
+
+ partition@400000 {
+ compatible = "linux,ubi";
+ reg = <0x400000 0xfc00000>;
+ label = "UBI_DEV";
+
+ volumes {
+ ubi_factory: ubi-volume-factory {
+ volname = "Factory";
+ };
+ };
+ };
+ };
+ };
+};
+
+&ubi_factory {
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ eeprom_factory_0: eeprom@0 {
+ reg = <0x0 0x1000>;
+ };
+
+ macaddr_factory_4: macaddr@4 {
+ reg = <0x4 0x6>;
+ };
+ };
+};
+
+&spi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spic_pins>;
+ status = "disabled";
+};
+
+&pio {
+ i2c_pins: i2c-pins-g0 {
+ mux {
+ function = "i2c";
+ groups = "i2c0_0";
+ };
+ };
+
+ 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>;
+ };
+ };
+
+ spic_pins: spi1-pins {
+ mux {
+ function = "spi";
+ groups = "spi1_1";
+ };
+ };
+
+ uart1_pins: uart1-pins-g1 {
+ mux {
+ function = "uart";
+ groups = "uart1_1";
+ };
+ };
+
+ uart2_pins: uart2-pins-g1 {
+ mux {
+ function = "uart";
+ groups = "uart2_1";
+ };
+ };
+};
+
+&watchdog {
+ status = "okay";
+};
+
+&wifi {
+ nvmem-cells = <&eeprom_factory_0>;
+ nvmem-cell-names = "eeprom";
+
+ status = "okay";
+};
projects / thirdparty / openwrt.git / commitdiff
