--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ compatible = "hanyang,hyc-g920", "mediatek,mt7621-soc";
+ model = "CJ-Hello HYC-G920";
+
+ aliases {
+ led-boot = &led_power;
+ led-failsafe = &led_power;
+ led-running = &led_power;
+ led-upgrade = &led_power;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ bootargs-override = "console=ttyS0,115200";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led_power: power {
+ label = "red:power";
+ gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+ };
+
+ usb {
+ label = "green:usb";
+ gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
+ trigger-sources = <&ehci_port2>;
+ linux,default-trigger = "usbport";
+ };
+ };
+
+ keys {
+ compatible = "gpio-keys";
+
+ reset {
+ label = "reset";
+ gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ debounce-interval = <60>;
+ };
+ };
+};
+
+&spi0 {
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <40000000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bootloader";
+ reg = <0x0 0x30000>;
+ read-only;
+ };
+
+ partition@30000 {
+ label = "mac";
+ reg = <0x30000 0x10000>;
+ read-only;
+ };
+
+ factory: partition@40000 {
+ label = "factory";
+ reg = <0x40000 0x10000>;
+ read-only;
+ };
+
+ partition@50000 {
+ compatible = "denx,uimage";
+ label = "firmware";
+ reg = <0x50000 0xfb0000>;
+ };
+
+ partition@fb0000 {
+ label = "config ";
+ reg = <0xfb0000 0x20000>;
+ read-only;
+ };
+
+ partition@fd0000 {
+ label = "config_bak ";
+ reg = <0xfd0000 0x20000>;
+ read-only;
+ };
+
+ partition@ff0000 {
+ label = "mac_bak ";
+ reg = <0xff0000 0x10000>;
+ read-only;
+ };
+ };
+ };
+};
+
+&pcie {
+ status = "okay";
+};
+
+&pcie0 {
+ wifi@0,0 {
+ compatible = "mediatek,mt76";
+ reg = <0x0000 0 0 0 0>;
+ mediatek,mtd-eeprom = <&factory 0x8000>;
+
+ led {
+ led-sources = <2>;
+ led-active-low;
+ };
+ };
+};
+
+&pcie1 {
+ wifi@0,0 {
+ compatible = "mediatek,mt76";
+ reg = <0x0000 0 0 0 0>;
+ mediatek,mtd-eeprom = <&factory 0x0000>;
+
+ led {
+ led-sources = <2>;
+ led-active-low;
+ };
+ };
+};
+
+&gmac0 {
+ nvmem-cells = <&macaddr_factory_4>;
+ nvmem-cell-names = "mac-address";
+};
+
+&switch0 {
+ ports {
+ port@0 {
+ status = "okay";
+ label = "wan";
+ nvmem-cells = <&macaddr_factory_4>;
+ nvmem-cell-names = "mac-address";
+ mac-address-increment = <1>;
+ };
+
+ port@1 {
+ status = "okay";
+ label = "lan1";
+ };
+
+ port@2 {
+ status = "okay";
+ label = "lan2";
+ };
+
+ port@3 {
+ status = "okay";
+ label = "lan3";
+ };
+
+ port@4 {
+ status = "okay";
+ label = "lan4";
+ };
+ };
+};
+
+&state_default {
+ gpio {
+ groups = "sdhci";
+ function = "gpio";
+ };
+};
+
+&factory {
+ compatible = "nvmem-cells";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ macaddr_factory_4: macaddr@4 {
+ reg = <0x4 0x6>;
+ };
+
+ macaddr_factory_8004: macaddr@8004 {
+ reg = <0x8004 0x6>;
+ };
+};