diff --git a/target/linux/ramips/dts/mt7621_tplink_deco-m4r-v4.dts b/target/linux/ramips/dts/mt7621_tplink_deco-m4r-v4.dts
new file mode 100644
index 00000000000..3d17dbf599c
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_tplink_deco-m4r-v4.dts
@@ -0,0 +1,203 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "tplink,deco-m4r-v4", "mediatek,mt7621-soc";
+	model = "TP-Link Deco M4R v4";
+
+	aliases {
+		label-mac-device = &gmac0;
+		led-boot = &led_power;
+		led-failsafe = &led_power;
+		led-running = &led_power;
+		led-upgrade = &led_power;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200n8";
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		wps {
+			label = "wps";
+			gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+
+		led {
+			label = "led";
+			gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
+			debounce_interval = <60>;
+			linux,code = <KEY_BRIGHTNESS_TOGGLE>;
+		};
+
+		reset {
+			label = "reset";
+			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		rssi {
+			label = "green:rssi";
+			gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
+		};
+
+		lan {
+			label = "green:lan";
+			gpios = <&gpio 9 GPIO_ACTIVE_LOW>;
+		};
+
+		sys {
+			label = "green:sys";
+			gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
+		};
+
+		wifi2g {
+			label = "green:wifi2g";
+			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "phy0tpt";
+		};
+
+		logo_red {
+			label = "red:logo";
+			gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
+			/* match usage in v1 and v2 */
+			linux,default-trigger = "phy0tpt";
+		};
+
+		logo_blue {
+			label = "blue:logo";
+			gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
+			/* match usage in v1 and v2 */
+			linux,default-trigger = "phy1tpt";
+
+		};
+
+		led_power: logo_green {
+			label = "green:logo";
+			gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
+			/* match usage in v1 and v2 */
+			default_state = "on";
+		};
+	};
+};
+
+&state_default {
+	gpio {
+		groups = "i2c", "uart2", "uart3", "jtag", "wdt";
+		function = "gpio";
+	};
+};
+
+&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 = "u-boot";
+				reg = <0x0 0x40000>;
+				read-only;
+			};
+
+			partition@40000 {
+				label = "firmware";
+				compatible = "denx,uimage";
+				reg = <0x40000 0xf60000>;
+			};
+
+			config: partition@fa0000 {
+				label = "config";
+				reg = <0xfa0000 0x010000>;
+				read-only;
+
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				macaddr_config_8: macaddr@8 {
+					reg = <0x8 0x6>;
+				};
+			};
+
+			partition@fb0000 {
+				label = "tplink";
+				reg = <0xfb0000 0x040000>;
+				read-only;
+			};
+
+			radio: partition@ff0000 {
+				label = "radio";
+				reg = <0xff0000 0x10000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&ethernet {
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii1_pins &mdio_pins>;
+};
+
+&gmac0 {
+	nvmem-cells = <&macaddr_config_8>;
+	nvmem-cell-names = "mac-address";
+	label = "dsa";
+};
+
+&switch0 {
+	ports {
+		port@0 {
+			status = "okay";
+			label = "eth0";
+		};
+
+		port@1 {
+			status = "okay";
+			label = "eth1";
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&radio 0x0>;
+		ieee80211-freq-limit = <2400000 2500000>;
+	};
+};
+
+&pcie1 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&radio 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 3587fb613ad..7f4f338039e 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -2014,6 +2014,18 @@ define Device/tplink_archer-c6u-v1
 endef
 TARGET_DEVICES += tplink_archer-c6u-v1
 
+define Device/tplink_deco-m4r-v4
+  $(Device/dsa-migration)
+  $(Device/tplink-safeloader)
+  DEVICE_MODEL := Deco M4R
+  DEVICE_VARIANT := v4
+  DEVICE_PACKAGES := kmod-mt7603 kmod-mt7615e kmod-mt7663-firmware-ap
+  KERNEL := $(KERNEL_DTB) | uImage lzma
+  TPLINK_BOARD_ID := DECO-M4R-V4
+  IMAGE_SIZE := 15744k
+endef
+TARGET_DEVICES += tplink_deco-m4r-v4
+
 define Device/tplink_eap235-wall-v1
   $(Device/dsa-migration)
   $(Device/tplink-safeloader)
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
index 597d7302ac8..66b5a3ddd07 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
@@ -154,6 +154,9 @@ tplink,archer-c6u-v1)
 	ucidef_set_led_netdev "lan" "LAN" "green:lan" "br-lan"
 	ucidef_set_led_netdev "wan" "WAN" "green:wan" "wan"
 	;;
+tplink,deco-m4r-v4)
+	ucidef_set_led_netdev "lan" "LAN" "green:lan" "br-lan"
+	;;
 tplink,ec330-g5u-v1)
 	ucidef_set_led_netdev "lan" "Ethernet" "blue:ethernet" "br-lan" "link tx rx"
 	ucidef_set_led_netdev "wan" "Internet" "blue:internet" "wan" "link tx rx"
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
index 67f58b10b27..3a864f6f04d 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -105,6 +105,9 @@ ramips_setup_interfaces()
 	mikrotik,routerboard-760igs)
 		ucidef_set_interfaces_lan_wan "lan2 lan3 lan4 lan5" "wan sfp"
 		;;
+	tplink,deco-m4r-v4)
+		ucidef_set_interfaces_lan_wan "eth1" "eth0"
+		;;
 	tplink,eap235-wall-v1|\
 	tplink,eap615-wall-v1)
 		ucidef_set_interface_lan "lan0 lan1 lan2 lan3"