diff --git a/arch/arm64/boot/dts/rockchip/rk3588-edgeble-neu6b-io.dts b/arch/arm64/boot/dts/rockchip/rk3588-edgeble-neu6b-io.dts
index 07324b0a4bef..9933765e4097 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-edgeble-neu6b-io.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-edgeble-neu6b-io.dts
@@ -84,3 +84,10 @@ &uart6 {
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+/* RS485 */
+&uart7 {
+	pinctrl-0 = <&uart7m2_xfer>;
+	pinctrl-names = "default";
+	status = "okay";
+};