diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb7-lp4.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-evb7-lp4.dtsi
index e56b8eb49000..004e17abd2a6 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb7-lp4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb7-lp4.dtsi
@@ -238,7 +238,7 @@
 
 	wireless_bluetooth: wireless-bluetooth {
 		compatible = "bluetooth-platdata";
-		bt_port = "/dev/ttyS7";
+		bt_port = "/dev/ttyS9";
 		clocks = <&hym8563>;
 		clock-names = "ext_clock";
 		uart_rts_gpios = <&gpio4 RK_PC4 GPIO_ACTIVE_LOW>;