diff --git a/target/linux/generic/files/drivers/net/phy/swconfig.c b/target/linux/generic/files/drivers/net/phy/swconfig.c
index 5e95ab3d94..4e6d7136f0 100644
--- a/target/linux/generic/files/drivers/net/phy/swconfig.c
+++ b/target/linux/generic/files/drivers/net/phy/swconfig.c
@@ -987,7 +987,7 @@ of_switch_load_portmap(struct switch_dev *dev)
 		const char *segment;
 		int size, phys;
 
-		if (of_device_is_compatible(port, "swconfig,port"))
+		if (!of_device_is_compatible(port, "swconfig,port"))
 			continue;
 
 		if (of_property_read_string(port, "swconfig,segment", &segment))
diff --git a/target/linux/ramips/dts/FONERA20N.dts b/target/linux/ramips/dts/FONERA20N.dts
index cb47ba5ec6..38007a7bc9 100644
--- a/target/linux/ramips/dts/FONERA20N.dts
+++ b/target/linux/ramips/dts/FONERA20N.dts
@@ -94,28 +94,28 @@
 		ralink,portmap = <0x2f>;
 
 		port@0 {
-			conpatible = "swconfig,port";
+			compatible = "swconfig,port";
 			swconfig,segment = "lan";
 			swconfig,portmap = <0 4>;
 		};
 		port@1 {
-			conpatible = "swconfig,port";
+			compatible = "swconfig,port";
 			swconfig,segment = "lan";
 			swconfig,portmap = <1 3>;
 		};
 		port@2 {
-			conpatible = "swconfig,port";
+			compatible = "swconfig,port";
 			swconfig,segment = "lan";
 			swconfig,portmap = <2 2>;
 		};
 		port@3 {
-			conpatible = "swconfig,port";
+			compatible = "swconfig,port";
 			swconfig,segment = "lan";
 			swconfig,portmap = <3 1>;
 		};
 		port@4 {
-			conpatible = "swconfig,port";
-			swconfig,segment = "lan";
+			compatible = "swconfig,port";
+			swconfig,segment = "wan";
 			swconfig,portmap = <4 0>;
 		};
 	};