diff --git a/arch/arm64/boot/dts/rockchip/rk3566-evb2-lp4x-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-evb2-lp4x-v10.dtsi
index e7cdfb95b787..6b52aa843f00 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-evb2-lp4x-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-evb2-lp4x-v10.dtsi
@@ -361,7 +361,7 @@
 &uart1 {
 	status = "okay";
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart1m0_xfer &uart1m0_rtsn>;
+	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn>;
 };
 
 &usbdrd_dwc3 {
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink.dts b/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink.dts
index cb85fa4e3aea..8361a5b4f88b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink.dts
@@ -921,7 +921,7 @@
 &uart1 {
 	status = "okay";
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart1m0_xfer &uart1m0_rtsn>;
+	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn>;
 };
 
 &u2phy0_otg {
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet-k108.dts b/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet-k108.dts
index 6de2d764d4d3..74075cdc5718 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet-k108.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet-k108.dts
@@ -1200,7 +1200,7 @@
 &uart1 {
 	status = "okay";
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart1m0_xfer &uart1m0_rtsn>;
+	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn>;
 };
 
 &u2phy0_host {
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet-rkg11.dts b/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet-rkg11.dts
index c9b0ad6267a7..f35a1ed54735 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet-rkg11.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet-rkg11.dts
@@ -1058,7 +1058,7 @@
 &uart1 {
 	status = "okay";
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart1m0_xfer &uart1m0_rtsn>;
+	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn>;
 };
 
 &u2phy0_otg {
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts b/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts
index ba455f70c5e1..44e09e1ab23a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts
@@ -1116,7 +1116,7 @@
 &uart1 {
 	status = "okay";
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart1m0_xfer &uart1m0_rtsn>;
+	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn>;
 };
 
 &u2phy0_otg {