diff --git a/target/linux/realtek/dts/rtl8391_zyxel_gs1920-24hp-v2.dts b/target/linux/realtek/dts/rtl8391_zyxel_gs1920-24hp-v2.dts
index 36b05d11a8..3aab3d8072 100644
--- a/target/linux/realtek/dts/rtl8391_zyxel_gs1920-24hp-v2.dts
+++ b/target/linux/realtek/dts/rtl8391_zyxel_gs1920-24hp-v2.dts
@@ -124,6 +124,10 @@
 	PHY_C22_SFP(27, 27, 3)
 };
 
+&pse {
+	compatible = "zyxel,gs1920-24hp-v2-pse", "realtek,pse-mcu-gen1-smbus";
+};
+
 &switch0 {
 	ethernet-ports {
 		SWITCH_PORT_SDS(24, 25, 6, 0, qsgmii)
diff --git a/target/linux/realtek/dts/rtl8392_zyxel_gs1920-24hp-v1.dts b/target/linux/realtek/dts/rtl8392_zyxel_gs1920-24hp-v1.dts
index 47bcbe9a19..289dc73306 100644
--- a/target/linux/realtek/dts/rtl8392_zyxel_gs1920-24hp-v1.dts
+++ b/target/linux/realtek/dts/rtl8392_zyxel_gs1920-24hp-v1.dts
@@ -78,6 +78,10 @@
 	PHY_C22_SFP(51, 27, 3)
 };
 
+&pse {
+	compatible = "zyxel,gs1920-24hp-v1-pse", "realtek,pse-mcu-gen1-smbus";
+};
+
 &switch0 {
 	ethernet-ports {
 		SWITCH_PORT_SDS(48, 25, 12, 0, qsgmii)
diff --git a/target/linux/realtek/dts/rtl839x_zyxel_gs1920-24hp-common.dtsi b/target/linux/realtek/dts/rtl839x_zyxel_gs1920-24hp-common.dtsi
index c8bad10a46..eba9350c4d 100644
--- a/target/linux/realtek/dts/rtl839x_zyxel_gs1920-24hp-common.dtsi
+++ b/target/linux/realtek/dts/rtl839x_zyxel_gs1920-24hp-common.dtsi
@@ -112,6 +112,40 @@
 		i2c-gpio,delay-us = <2>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+
+		pse: ethernet-pse@20 {
+			reg = <0x20>;
+
+			pse-pis {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				PSE_PI(0)
+				PSE_PI(1)
+				PSE_PI(2)
+				PSE_PI(3)
+				PSE_PI(4)
+				PSE_PI(5)
+				PSE_PI(6)
+				PSE_PI(7)
+				PSE_PI(8)
+				PSE_PI(9)
+				PSE_PI(10)
+				PSE_PI(11)
+				PSE_PI(12)
+				PSE_PI(13)
+				PSE_PI(14)
+				PSE_PI(15)
+				PSE_PI(16)
+				PSE_PI(17)
+				PSE_PI(18)
+				PSE_PI(19)
+				PSE_PI(20)
+				PSE_PI(21)
+				PSE_PI(22)
+				PSE_PI(23)
+			};
+		};
 	};
 };
 
@@ -245,3 +279,28 @@
 		};
 	};
 };
+
+&phy0 { pses = <&pse_pi0>; };
+&phy1 { pses = <&pse_pi1>; };
+&phy2 { pses = <&pse_pi2>; };
+&phy3 { pses = <&pse_pi3>; };
+&phy4 { pses = <&pse_pi4>; };
+&phy5 { pses = <&pse_pi5>; };
+&phy6 { pses = <&pse_pi6>; };
+&phy7 { pses = <&pse_pi7>; };
+&phy8 { pses = <&pse_pi8>; };
+&phy9 { pses = <&pse_pi9>; };
+&phy10 { pses = <&pse_pi10>; };
+&phy11 { pses = <&pse_pi11>; };
+&phy12 { pses = <&pse_pi12>; };
+&phy13 { pses = <&pse_pi13>; };
+&phy14 { pses = <&pse_pi14>; };
+&phy15 { pses = <&pse_pi15>; };
+&phy16 { pses = <&pse_pi16>; };
+&phy17 { pses = <&pse_pi17>; };
+&phy18 { pses = <&pse_pi18>; };
+&phy19 { pses = <&pse_pi19>; };
+&phy20 { pses = <&pse_pi20>; };
+&phy21 { pses = <&pse_pi21>; };
+&phy22 { pses = <&pse_pi22>; };
+&phy23 { pses = <&pse_pi23>; };
diff --git a/target/linux/realtek/image/rtl839x.mk b/target/linux/realtek/image/rtl839x.mk
index 13e2b6a4d7..a8b54c9db8 100644
--- a/target/linux/realtek/image/rtl839x.mk
+++ b/target/linux/realtek/image/rtl839x.mk
@@ -117,8 +117,7 @@ ifeq ($(IB),)
 endif
   DEVICE_VENDOR := Zyxel
   DEVICE_MODEL := GS1920-24HP
-  DEVICE_PACKAGES := \
-	  kmod-hwmon-lm85
+  DEVICE_PACKAGES := kmod-hwmon-lm85 kmod-pse-realtek-mcu-i2c
   $(Device/rt-loader-bootbase)
 endef