diff --git a/target/linux/realtek/base-files/etc/board.d/02_network b/target/linux/realtek/base-files/etc/board.d/02_network
index 5a9757969a..6e7227e1f2 100644
--- a/target/linux/realtek/base-files/etc/board.d/02_network
+++ b/target/linux/realtek/base-files/etc/board.d/02_network
@@ -51,6 +51,14 @@ realtek_setup_macs()
 	local label_mac=""
 
 	case $board in
+	edgecore,ecs4100-12ph|\
+	tplink,sg2008p-v1|\
+	tplink,sg2210p-v3|\
+	tplink,sg2452p-v4|\
+	tplink,t1600g-28ts-v3)
+		label_mac=$(get_mac_label)
+		lan_mac="$label_mac"
+		;;
 	hpe,1920-8g|\
 	hpe,1920-8g-poe-65w|\
 	hpe,1920-8g-poe-180w|\
@@ -75,13 +83,6 @@ realtek_setup_macs()
 		lan_mac_start=skip
 		lan_mac="$(get_mac_label)"
 	;;
-	tplink,sg2008p-v1|\
-	tplink,sg2210p-v3|\
-	tplink,sg2452p-v4|\
-	tplink,t1600g-28ts-v3)
-		label_mac=$(get_mac_label)
-		lan_mac="$label_mac"
-		;;
 	tplink,tl-st1008f-v2|\
 	zyxel,xgs1010-12-a1)
 		lan_mac=$(mtd_get_mac_ascii u-boot-env ethaddr)
@@ -132,6 +133,10 @@ realtek_setup_poe()
 		ucidef_set_poe 193 "lan8 lan7 lan6 lan5 lan4 lan3 lan2 lan1 lan16 lan15 lan14 lan13 lan12 lan11 lan10 lan9 lan24 lan23
 				lan22 lan21 lan20 lan19 lan18 lan17"
 		;;
+	edgecore,ecs4100-12ph|\
+	netgear,gs110tpp-v1)
+		ucidef_set_poe 130 "$(filter_port_list "$lan_list" "lan9 lan10")"
+		;;
 	engenius,ews2910p-v1|\
 	engenius,ews2910p-v3)
 		ucidef_set_poe 60 "$(filter_port_list "$lan_list" "lan9 lan10")"
@@ -153,9 +158,6 @@ realtek_setup_poe()
 				lan22 lan21 lan20 lan19 lan18 lan17 lan32 lan31 lan30 lan29 lan28 lan27 lan26 lan25 lan40 lan39 lan38 lan37
 				lan36 lan35 lan34 lan33 lan48 lan47 lan46 lan45 lan44 lan43 lan42 lan41"
 		;;
-	netgear,gs110tpp-v1)
-		ucidef_set_poe 130 "$(filter_port_list "$lan_list" "lan9 lan10")"
-		;;
 	netgear,gs110tup-v1)
 		ucidef_set_poe 240 "$(filter_port_list "$lan_list" "lan9 lan10")"
 		;;
diff --git a/target/linux/realtek/dts/rtl8393_edgecore_ecs4100-12ph.dts b/target/linux/realtek/dts/rtl8393_edgecore_ecs4100-12ph.dts
new file mode 100644
index 0000000000..74d16eecb5
--- /dev/null
+++ b/target/linux/realtek/dts/rtl8393_edgecore_ecs4100-12ph.dts
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "rtl839x.dtsi"
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "edgecore,ecs4100-12ph", "realtek,rtl839x-soc";
+	model = "Edgecore ECS4100-12PH Switch";
+
+	aliases {
+		label-mac-device = &ethernet0;
+		led-boot = &led_sys;
+		led-failsafe = &led_sys;
+		led-running = &led_sys;
+		led-upgrade = &led_sys;
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x10000000>;
+	};
+
+	leds {
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinmux_disable_sys_led>;
+		compatible = "gpio-leds";
+
+		led_sys: sys {
+			label = "green:sys";
+			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio-restart {
+		compatible = "gpio-restart";
+		gpios = <&gpio1 26 GPIO_ACTIVE_LOW>;
+	};
+
+	i2c0: i2c-gpio-0 {
+		compatible = "i2c-gpio";
+		sda-gpios = <&gpio1 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&gpio1 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		i2c-gpio,delay-us = <2>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	sfp0: sfp-p9 {
+		compatible = "sff,sfp";
+		i2c-bus = <&i2c0>;
+		los-gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
+		mod-def0-gpio = <&gpio1 8 GPIO_ACTIVE_LOW>;
+	};
+
+	i2c1: i2c-gpio-1 {
+		compatible = "i2c-gpio";
+		sda-gpios = <&gpio1 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&gpio1 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		i2c-gpio,delay-us = <2>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	sfp1: sfp-p10 {
+		compatible = "sff,sfp";
+		i2c-bus = <&i2c1>;
+		los-gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+		mod-def0-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;
+	};
+
+	i2c2: i2c-gpio-2 {
+		compatible = "i2c-gpio";
+		sda-gpios = <&gpio1 22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&gpio1 23 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		i2c-gpio,delay-us = <2>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	sfp2: sfp-p11 {
+		compatible = "sff,sfp";
+		i2c-bus = <&i2c2>;
+		los-gpio = <&gpio0 21 GPIO_ACTIVE_HIGH>;
+		mod-def0-gpio = <&gpio1 24 GPIO_ACTIVE_LOW>;
+	};
+
+	i2c3: i2c-gpio-3 {
+		compatible = "i2c-gpio";
+		sda-gpios = <&gpio1 11 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&gpio1 12 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		i2c-gpio,delay-us = <2>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	sfp3: sfp-p12 {
+		compatible = "sff,sfp";
+		i2c-bus = <&i2c3>;
+		los-gpio = <&gpio0 22 GPIO_ACTIVE_HIGH>;
+		mod-def0-gpio = <&gpio1 13 GPIO_ACTIVE_LOW>;
+	};
+
+	i2c4: i2c-gpio-4 {
+		compatible = "i2c-gpio";
+		sda-gpios = <&gpio1 29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&gpio1 30 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		i2c-gpio,delay-us = <2>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		lm75b@48 {
+			compatible = "nxp,lm75a";
+			reg = <0x48>;
+		};
+
+		eeprom@56 {
+			compatible = "atmel,24c32";
+			reg = <0x56>;
+		};
+	};
+
+	watchdog {
+		compatible = "linux,wdt-gpio";
+		gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
+		hw_algo = "toggle";
+		hw_margin_ms = <1200>;
+	};
+};
+
+&ethernet0 {
+	nvmem-cells = <&macaddr_factory>;
+	nvmem-cell-names = "mac-address";
+};
+
+&gpio0 {
+	poe_enable {
+		gpio-hog;
+		gpios = <16 GPIO_ACTIVE_HIGH>;
+		output-high;
+	};
+
+	poe_reset {
+		gpio-hog;
+		gpios = <18 GPIO_ACTIVE_HIGH>;
+		output-high;
+	};
+};
+
+&mdio_aux {
+	status = "okay";
+
+	gpio1: expander@3 {
+		compatible = "realtek,rtl8231";
+		reg = <3>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+		gpio-ranges = <&gpio1 0 0 37>;
+
+		led-controller {
+			compatible = "realtek,rtl8231-leds";
+			status = "disabled";
+		};
+	};
+};
+
+&mdio_bus0 {
+	reset-gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
+	reset-delay-us = <2000>;
+	reset-post-delay-us = <140000>;
+
+	/* External phy RTL8218B */
+	EXTERNAL_PHY(0)
+	EXTERNAL_PHY(1)
+	EXTERNAL_PHY(2)
+	EXTERNAL_PHY(3)
+	EXTERNAL_PHY(4)
+	EXTERNAL_PHY(5)
+	EXTERNAL_PHY(6)
+	EXTERNAL_PHY(7)
+
+	/* External phy RTL8214FC */
+	EXTERNAL_SFP_PHY_FULL(48, 0)
+	EXTERNAL_SFP_PHY_FULL(49, 1)
+	EXTERNAL_SFP_PHY_FULL(50, 2)
+	EXTERNAL_SFP_PHY_FULL(51, 3)
+};
+
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "u-boot";
+				reg = <0x0 0x40000>;
+				read-only;
+			};
+			partition@100000 {
+				compatible = "u-boot,env";
+				label = "u-boot-env";
+				reg = <0x100000 0x20000>;
+			};
+			partition@120000 {
+				label = "empty";
+				reg = <0x120000 0x60000>;
+				read-only;
+			};
+			partition@180000 {
+				label = "para";
+				reg = <0x180000 0x20000>;
+				read-only;
+
+				nvmem-layout {
+					compatible = "fixed-layout";
+					#address-cells = <1>;
+					#size-cells = <1>;
+
+					macaddr_factory: macaddr@0 {
+						reg = <0x0 0x6>;
+					};
+				};
+			};
+			partition@200000 {
+				label = "firmware";
+				reg = <0x200000 0xdf0000>;
+				compatible = "openwrt,uimage", "denx,uimage";
+			};
+			partition@ff0000 {
+				label = "certificates";
+				reg = <0xff0000 0x10000>;
+			};
+		};
+	};
+};
+
+&switch0 {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		SWITCH_PORT_SDS(0, 1, 0, qsgmii)
+		SWITCH_PORT_SDS(1, 2, 0, qsgmii)
+		SWITCH_PORT_SDS(2, 3, 0, qsgmii)
+		SWITCH_PORT_SDS(3, 4, 0, qsgmii)
+		SWITCH_PORT_SDS(4, 5, 1, qsgmii)
+		SWITCH_PORT_SDS(5, 6, 1, qsgmii)
+		SWITCH_PORT_SDS(6, 7, 1, qsgmii)
+		SWITCH_PORT_SDS(7, 8, 1, qsgmii)
+
+		SWITCH_PORT_SDS(48, 9, 12, qsgmii)
+		SWITCH_PORT_SDS(49, 10, 12, qsgmii)
+		SWITCH_PORT_SDS(50, 11, 12, qsgmii)
+		SWITCH_PORT_SDS(51, 12, 12, qsgmii)
+
+		port@52 {
+			ethernet = <&ethernet0>;
+			reg = <52>;
+			phy-mode = "internal";
+
+			fixed-link {
+				speed = <1000>;
+				full-duplex;
+			};
+		};
+	};
+};
+
+&uart1 {
+	status = "okay";
+};
diff --git a/target/linux/realtek/image/rtl839x.mk b/target/linux/realtek/image/rtl839x.mk
index 2412e5764e..755e9ce49c 100644
--- a/target/linux/realtek/image/rtl839x.mk
+++ b/target/linux/realtek/image/rtl839x.mk
@@ -9,6 +9,21 @@ define Device/d-link_dgs-1210-52
 endef
 TARGET_DEVICES += d-link_dgs-1210-52
 
+define Device/edgecore_ecs4100-12ph
+  $(Device/uimage-rt-loader)
+  SOC := rtl8393
+  DEVICE_VENDOR := Edgecore
+  DEVICE_MODEL := ECS4100-12PH
+  IMAGE_SIZE := 14336k
+  DEVICE_PACKAGES := \
+	kmod-eeprom-at24 \
+	kmod-hwmon-adt7470 \
+	kmod-hwmon-lm75 \
+	kmod-thermal \
+	realtek-poe
+endef
+TARGET_DEVICES += edgecore_ecs4100-12ph
+
 define Device/hpe_1920-48g
   $(Device/hpe_1920)
   SOC := rtl8393