diff --git a/target/linux/realtek/dts/rtl930x.dtsi b/target/linux/realtek/dts/rtl930x.dtsi
index ebc121523a..3096c78d8d 100644
--- a/target/linux/realtek/dts/rtl930x.dtsi
+++ b/target/linux/realtek/dts/rtl930x.dtsi
@@ -131,6 +131,9 @@
 			fifo-size = <1>;
 			no-loopback-test;
 
+			pinctrl-0 = <&pinmux_enable_uart1>;
+			pinctrl-names = "default";
+
 			status = "disabled";
 		};
 
@@ -337,6 +340,20 @@
 		};
 	};
 
+	pinmux@1b000204 {
+		compatible = "pinctrl-single";
+		reg = <0x1b000204 0x4>;
+
+		pinctrl-single,bit-per-mux;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0x1>;
+		#pinctrl-cells = <2>;
+
+		pinmux_enable_uart1: enable-uart1 {
+			pinctrl-single,bits = <0x0 0x1 0x3>;
+		};
+	};
+
 	pinmux@1b00c600 {
 		compatible = "pinctrl-single";
 		reg = <0x1b00c600 0x4>;