diff --git a/target/linux/ramips/dts/ArcherC20v4.dts b/target/linux/ramips/dts/ArcherC20v4.dts
index 1103573641..b2a1591df9 100644
--- a/target/linux/ramips/dts/ArcherC20v4.dts
+++ b/target/linux/ramips/dts/ArcherC20v4.dts
@@ -79,8 +79,8 @@
 	mtd-mac-address-increment = <(-2)>;
 };
 
-&ethernet {
-	mediatek,portmap = "wllll";
+&esw {
+	mediatek,portmap = <0x3e>;
 };
 
 &pinctrl {
diff --git a/target/linux/ramips/dts/ArcherC50V3.dts b/target/linux/ramips/dts/ArcherC50V3.dts
index cc4e72819f..0aa03b814b 100644
--- a/target/linux/ramips/dts/ArcherC50V3.dts
+++ b/target/linux/ramips/dts/ArcherC50V3.dts
@@ -83,6 +83,10 @@
 	};
 };
 
+&esw {
+	mediatek,portmap = <0x3e>;
+};
+
 &pcie {
 	status = "okay";
 };
diff --git a/target/linux/ramips/dts/MAC1200RV2.dts b/target/linux/ramips/dts/MAC1200RV2.dts
index 7d13621135..190dcf1b0d 100644
--- a/target/linux/ramips/dts/MAC1200RV2.dts
+++ b/target/linux/ramips/dts/MAC1200RV2.dts
@@ -86,7 +86,10 @@
 &ethernet {
 	pinctrl-names = "default";
 	mtd-mac-address = <&factory 0xd>;
-	mediatek,portmap = "llllw";
+};
+
+&esw {
+	mediatek,portmap = <0x2f>;
 };
 
 &wmac {
diff --git a/target/linux/ramips/dts/TL-MR3420V5.dts b/target/linux/ramips/dts/TL-MR3420V5.dts
index a528152d38..dc3f980ae6 100644
--- a/target/linux/ramips/dts/TL-MR3420V5.dts
+++ b/target/linux/ramips/dts/TL-MR3420V5.dts
@@ -91,3 +91,7 @@
 		};
 	};
 };
+
+&esw {
+	mediatek,portmap = <0x3e>;
+};
diff --git a/target/linux/ramips/dts/TL-WR802NV4.dts b/target/linux/ramips/dts/TL-WR802NV4.dts
index 668da700c3..c1324212e8 100644
--- a/target/linux/ramips/dts/TL-WR802NV4.dts
+++ b/target/linux/ramips/dts/TL-WR802NV4.dts
@@ -49,5 +49,4 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0xf100>;
-	mediatek,portmap = "l";
 };
diff --git a/target/linux/ramips/dts/TL-WR840NV4.dts b/target/linux/ramips/dts/TL-WR840NV4.dts
index 5f5bb4fa47..431bba7485 100644
--- a/target/linux/ramips/dts/TL-WR840NV4.dts
+++ b/target/linux/ramips/dts/TL-WR840NV4.dts
@@ -65,3 +65,7 @@
 		};
 	};
 };
+
+&esw {
+	mediatek,portmap = <0x3e>;
+};
diff --git a/target/linux/ramips/dts/TL-WR840NV5.dts b/target/linux/ramips/dts/TL-WR840NV5.dts
index 773839098b..849d264723 100644
--- a/target/linux/ramips/dts/TL-WR840NV5.dts
+++ b/target/linux/ramips/dts/TL-WR840NV5.dts
@@ -101,7 +101,10 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0xf100>;
-	mediatek,portmap = "wllll";
+};
+
+&esw {
+	mediatek,portmap = <0x3e>;
 };
 
 &pinctrl {
diff --git a/target/linux/ramips/dts/TL-WR841NV13.dts b/target/linux/ramips/dts/TL-WR841NV13.dts
index 3dea063286..ded09407a9 100644
--- a/target/linux/ramips/dts/TL-WR841NV13.dts
+++ b/target/linux/ramips/dts/TL-WR841NV13.dts
@@ -91,3 +91,7 @@
 		};
 	};
 };
+
+&esw {
+	mediatek,portmap = <0x3e>;
+};
diff --git a/target/linux/ramips/dts/TL-WR842NV5.dts b/target/linux/ramips/dts/TL-WR842NV5.dts
index 0610b20250..b1352a2ee6 100644
--- a/target/linux/ramips/dts/TL-WR842NV5.dts
+++ b/target/linux/ramips/dts/TL-WR842NV5.dts
@@ -91,3 +91,7 @@
 		};
 	};
 };
+
+&esw {
+	mediatek,portmap = <0x3e>;
+};
diff --git a/target/linux/ramips/dts/TPLINK-8M-SPLIT-UBOOT.dtsi b/target/linux/ramips/dts/TPLINK-8M-SPLIT-UBOOT.dtsi
index 1014e48782..ff98da79fa 100644
--- a/target/linux/ramips/dts/TPLINK-8M-SPLIT-UBOOT.dtsi
+++ b/target/linux/ramips/dts/TPLINK-8M-SPLIT-UBOOT.dtsi
@@ -85,5 +85,8 @@
 
 &ethernet {
 	mtd-mac-address = <&rom 0xf100>;
-	mediatek,portmap = "wllll";
+};
+
+&esw {
+	mediatek,portmap = <0x3e>;
 };
diff --git a/target/linux/ramips/dts/TPLINK-8M.dtsi b/target/linux/ramips/dts/TPLINK-8M.dtsi
index 9f7f7ccd6c..8ae75ab506 100644
--- a/target/linux/ramips/dts/TPLINK-8M.dtsi
+++ b/target/linux/ramips/dts/TPLINK-8M.dtsi
@@ -67,5 +67,4 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0xf100>;
-	mediatek,portmap = "llllw";
 };
diff --git a/target/linux/ramips/dts/WL-WN570HA1.dts b/target/linux/ramips/dts/WL-WN570HA1.dts
index a07490b853..3336a38341 100644
--- a/target/linux/ramips/dts/WL-WN570HA1.dts
+++ b/target/linux/ramips/dts/WL-WN570HA1.dts
@@ -131,5 +131,8 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0x2e>;
-	mediatek,portmap = "llllw";
+};
+
+&esw {
+	mediatek,portmap = <0x2f>;
 };
diff --git a/target/linux/ramips/dts/WL-WN575A3.dts b/target/linux/ramips/dts/WL-WN575A3.dts
index 76923d5cf6..8cadd7e427 100644
--- a/target/linux/ramips/dts/WL-WN575A3.dts
+++ b/target/linux/ramips/dts/WL-WN575A3.dts
@@ -126,5 +126,8 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0x28>;
-	mediatek,portmap = "llllw";
+};
+
+&esw {
+	mediatek,portmap = <0x2f>;
 };
diff --git a/target/linux/ramips/dts/WR1000.dts b/target/linux/ramips/dts/WR1000.dts
index a582172aca..c06f9b8f72 100644
--- a/target/linux/ramips/dts/WR1000.dts
+++ b/target/linux/ramips/dts/WR1000.dts
@@ -139,5 +139,8 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0x2e>;
-	mediatek,portmap = "llllw";
+};
+
+&esw {
+	mediatek,portmap = <0x2f>;
 };
diff --git a/target/linux/ramips/dts/WRTNODE2.dtsi b/target/linux/ramips/dts/WRTNODE2.dtsi
index 9bac822872..471533b48d 100644
--- a/target/linux/ramips/dts/WRTNODE2.dtsi
+++ b/target/linux/ramips/dts/WRTNODE2.dtsi
@@ -80,7 +80,10 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0x4>;
-	mediatek,portmap = "llllw";
+};
+
+&esw {
+	mediatek,portmap = <0x3e>;
 };
 
 &sdhci {
diff --git a/target/linux/ramips/dts/ZBT-WE1226.dts b/target/linux/ramips/dts/ZBT-WE1226.dts
index e5873def0a..52de96b554 100644
--- a/target/linux/ramips/dts/ZBT-WE1226.dts
+++ b/target/linux/ramips/dts/ZBT-WE1226.dts
@@ -115,5 +115,8 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0x2e>;
-	mediatek,portmap = "llllw";
+};
+
+&esw {
+	mediatek,portmap = <0x2f>;
 };
diff --git a/target/linux/ramips/dts/ki_rb.dts b/target/linux/ramips/dts/ki_rb.dts
index 56912a786e..7a647f96c9 100644
--- a/target/linux/ramips/dts/ki_rb.dts
+++ b/target/linux/ramips/dts/ki_rb.dts
@@ -185,7 +185,10 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0x4>;
-	mediatek,portmap = "wllll";
+};
+
+&esw {
+	mediatek,portmap = <0x3e>;
 };
 
 &wmac {