diff --git a/target/linux/ramips/dts/RT-AC51U.dts b/target/linux/ramips/dts/RT-AC51U.dts
index 6bed8446e50..683f17bb75b 100644
--- a/target/linux/ramips/dts/RT-AC51U.dts
+++ b/target/linux/ramips/dts/RT-AC51U.dts
@@ -135,3 +135,14 @@
 		};
 	};
 };
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+	};
+};