changed file
===================================
diff --git a/target/linux/ramips/image/Makefile b/target/linux/ramips/image/Makefile
index 743f7b4..ce0733d 100644
--- a/target/linux/ramips/image/Makefile
+++ b/target/linux/ramips/image/Makefile
@@ -865,7 +865,7 @@ Image/Build/Profile/XIAOMI-MIWIFI-MINI=$(call BuildFirmware/Default16M/$(1),$(1)
 Image/Build/Profile/ZTE-Q7=$(call BuildFirmware/Default8M/$(1),$(1),zte-q7,ZTE-Q7)
 Image/Build/Profile/ZBT-WA05=$(call BuildFirmware/Default8M/$(1),$(1),zbt-wa05,ZBT-WA05)
 Image/Build/Profile/ArcherC20i=$(call BuildFirmware/Tplink/$(1),$(1),ArcherC20i,ArcherC20i)
-
+Image/Build/Profile/MicroWRT=$(call BuildFirmware/Default16M/$(1),$(1),microwrt,MicroWRT)
 
 ifeq ($(SUBTARGET),mt7620)
 define Image/Build/Profile/Default
@@ -895,6 +895,7 @@ define Image/Build/Profile/Default
        $(call Image/Build/Profile/ZTE-Q7,$(1))
        $(call Image/Build/Profile/ZBT-WA05,$(1))
        $(call Image/Build/Profile/ArcherC20i,$(1))
+       $(call Image/Build/Profile/MicroWRT,$(1))
 endef
 endif

new file /target/linux/ramips/dts/MicroWRT.dts
===================================================
+/dts-v1/;

+/include/ "mt7620a.dtsi"

+/ {
+        compatible = "microwrt", "ralink,mt7620a-soc";
+        model = "MicroWRT";
+
+        palmbus@10000000 {
+                gpio0: gpio@600 {
+                        status = "okay";
+                };
+                gpio1: gpio@638 {
+                        status = "okay";
+                };
+                gpio2: gpio@660 {
+                        status = "okay";
+                };
+                gpio3: gpio@688 {
+                        status = "okay";
+                };
+
+                spi@b00 {
+                        status = "okay";
+
+                        m25p80@0 {
+                                #address-cells = <1>;
+                                #size-cells = <1>;
+                                compatible = "mx25l12805d";
+                                reg = <0 0>;
+                                linux,modalias = "m25p80", "w25q128";
+                                spi-max-frequency = <10000000>;
+
+                                partition@0 {
+                                        label = "u-boot";
+                                        reg = <0x0 0x20000>;
+                                        read-only;
+                                };
+
+                                partition@20000 {
+                                        label = "u-boot-env";
+                                        reg = <0x20000 0x10000>;
+                                        read-only;
+                                };
+
+                                factory: partition@30000 {
+                                        label = "factory";
+                                        reg = <0x30000 0x10000>;
+                                        read-only;
+                                };
+
+                                partition@40000 {
+                                        label = "firmware";
+                                        reg = <0x40000 0xfb0000>;
+                                };
+                        };
+                };
+        };
+
+        pinctrl {
+                state_default: pinctrl0 {
+                        default {
+                                ralink,group = "i2c", "spi refclk", "rgmii1";
+                                ralink,function = "gpio";
+                        };
+                };
+        };
+
+        ehci@101c0000 {
+                status = "okay";
+        };
+
+        ohci@101c1000 {
+                status = "okay";
+        };
+
+        ethernet@10100000 {
+                pinctrl-names = "default";
+                pinctrl-0 = <&ephy_pins>;
+
+                mtd-mac-address = <&factory 0x4>;
+                ralink,port-map = "llllw";
+        };
+
+        gsw@10110000 {
+                ralink,port4 = "ephy";
+        };
+
+        wmac@10180000 {
+                ralink,mtd-eeprom = <&factory 0>;
+        };
+
+        pcie@10140000 {
+                status = "okay";
+        };
+
+        gpio-keys-polled {
+                compatible = "gpio-keys-polled";
+                #address-cells = <1>;
+                #size-cells = <0>;
+                poll-interval = <20>;
+                s1 {
+                        label = "reset";
+                        gpios = <&gpio0 1 1>;
+                        linux,code = <0x198>;
+                };
+                s2 {
+                        label = "wps";
+                        gpios = <&gpio0 2 1>;
+                        linux,code = <0x211>;
+                };
+        };
+};

new file  /target/linux/ramips/mt7620/profiles/microwrt.mk
=============================================================
+   define Profile/MicroWRT
+       NAME:=MicroWRT
+       PACKAGES:=\
+           kmod-usb-core kmod-usb-dwc2 kmod-usb2 kmod-usb-ohci \
+           kmod-mt76
+   endef
+
+   define Profile/MicroWRT/Description
+       Support for MicroWRT
+   endef
+   $(eval $(call Profile,MicroWRT))

