diff --git a/target/linux/mediatek/dts/mt7622-buffalo-wsr-3200ax4s.dts b/target/linux/mediatek/dts/mt7622-buffalo-wsr-3200ax4s.dts
index 678c31b711..82cc970fdd 100644
--- a/target/linux/mediatek/dts/mt7622-buffalo-wsr-3200ax4s.dts
+++ b/target/linux/mediatek/dts/mt7622-buffalo-wsr-3200ax4s.dts
@@ -39,7 +39,7 @@
 &mdio {
 	switch@1f {
 		compatible = "mediatek,mt7531";
-		reg = <0x1f>;
+		reg = <31>;
 		reset-gpios = <&pio 54 GPIO_ACTIVE_HIGH>;
 
 		ports {
diff --git a/target/linux/mediatek/dts/mt7622-dlink-eagle-pro-ai-ax3200-a1.dtsi b/target/linux/mediatek/dts/mt7622-dlink-eagle-pro-ai-ax3200-a1.dtsi
index 10cee7bcef..0560bbd33e 100644
--- a/target/linux/mediatek/dts/mt7622-dlink-eagle-pro-ai-ax3200-a1.dtsi
+++ b/target/linux/mediatek/dts/mt7622-dlink-eagle-pro-ai-ax3200-a1.dtsi
@@ -76,9 +76,9 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		switch: switch@0 {
+		switch: switch@1f {
 			compatible = "mediatek,mt7531";
-			reg = <0>;
+			reg = <31>;
 			interrupt-controller;
 			#interrupt-cells = <1>;
 			interrupt-parent = <&pio>;
diff --git a/target/linux/mediatek/dts/mt7622-elecom-wrc-x3200gst3.dts b/target/linux/mediatek/dts/mt7622-elecom-wrc-x3200gst3.dts
index f3a688b2d6..2bf4a33a50 100644
--- a/target/linux/mediatek/dts/mt7622-elecom-wrc-x3200gst3.dts
+++ b/target/linux/mediatek/dts/mt7622-elecom-wrc-x3200gst3.dts
@@ -209,9 +209,9 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		switch@0 {
+		switch@1f {
 			compatible = "mediatek,mt7531";
-			reg = <0>;
+			reg = <31>;
 			interrupt-controller;
 			#interrupt-cells = <1>;
 			interrupt-parent = <&pio>;
diff --git a/target/linux/mediatek/dts/mt7622-linksys-e8450.dtsi b/target/linux/mediatek/dts/mt7622-linksys-e8450.dtsi
index bd686073cb..48b25f7a4a 100644
--- a/target/linux/mediatek/dts/mt7622-linksys-e8450.dtsi
+++ b/target/linux/mediatek/dts/mt7622-linksys-e8450.dtsi
@@ -138,9 +138,9 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		switch@0 {
+		switch@1f {
 			compatible = "mediatek,mt7531";
-			reg = <0>;
+			reg = <31>;
 			interrupt-controller;
 			#interrupt-cells = <1>;
 			interrupt-parent = <&pio>;
diff --git a/target/linux/mediatek/dts/mt7622-ruijie-rg-ew3200.dtsi b/target/linux/mediatek/dts/mt7622-ruijie-rg-ew3200.dtsi
index a240f9bfce..24ed92788e 100644
--- a/target/linux/mediatek/dts/mt7622-ruijie-rg-ew3200.dtsi
+++ b/target/linux/mediatek/dts/mt7622-ruijie-rg-ew3200.dtsi
@@ -97,9 +97,9 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		switch@0 {
+		switch@1f {
 			compatible = "mediatek,mt7531";
-			reg = <0>;
+			reg = <31>;
 			reset-gpios = <&pio 54 GPIO_ACTIVE_HIGH>;
 			interrupt-controller;
 			#interrupt-cells = <2>;
diff --git a/target/linux/mediatek/dts/mt7622-xiaomi-redmi-router-ax6s.dts b/target/linux/mediatek/dts/mt7622-xiaomi-redmi-router-ax6s.dts
index c0db31fd3a..ebc8731bc7 100644
--- a/target/linux/mediatek/dts/mt7622-xiaomi-redmi-router-ax6s.dts
+++ b/target/linux/mediatek/dts/mt7622-xiaomi-redmi-router-ax6s.dts
@@ -164,9 +164,9 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		switch@0 {
+		switch@1f {
 			compatible = "mediatek,mt7531";
-			reg = <0>;
+			reg = <31>;
 			interrupt-controller;
 			#interrupt-cells = <1>;
 			interrupt-parent = <&pio>;
diff --git a/target/linux/mediatek/dts/mt7629-iptime-a6004mx.dts b/target/linux/mediatek/dts/mt7629-iptime-a6004mx.dts
index 78286714ea..7a3fa4deff 100644
--- a/target/linux/mediatek/dts/mt7629-iptime-a6004mx.dts
+++ b/target/linux/mediatek/dts/mt7629-iptime-a6004mx.dts
@@ -127,9 +127,9 @@
 			reg = <0>;
 		};
 
-		switch@2 {
+		switch@1f {
 			compatible = "mediatek,mt7531";
-			reg = <2>;
+			reg = <31>;
 			reset-gpios = <&pio 28 0>;
 			interrupt-controller;
 			#interrupt-cells = <1>;
diff --git a/target/linux/mediatek/dts/mt7981b-zbtlink-zbt-z8102ax.dts b/target/linux/mediatek/dts/mt7981b-zbtlink-zbt-z8102ax.dts
index de35d15098..f4d5271f97 100644
--- a/target/linux/mediatek/dts/mt7981b-zbtlink-zbt-z8102ax.dts
+++ b/target/linux/mediatek/dts/mt7981b-zbtlink-zbt-z8102ax.dts
@@ -161,7 +161,7 @@
 &mdio_bus {
 	switch: switch@1f {
 		compatible = "mediatek,mt7531";
-		reg = <0x1f>;
+		reg = <31>;
 		reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>;
 		interrupt-controller;
 		#interrupt-cells = <1>;