diff --git a/arch/arm/boot/dts/rk312x.dtsi b/arch/arm/boot/dts/rk312x.dtsi
index 5f900b6912cb..2e927d66f91b 100644
--- a/arch/arm/boot/dts/rk312x.dtsi
+++ b/arch/arm/boot/dts/rk312x.dtsi
@@ -1144,7 +1144,7 @@
 		uart1 {
 			uart1_xfer: uart1-xfer {
 				rockchip,pins = <1 RK_PB1 2 &pcfg_pull_default>,
-						<1 RK_PB2 2 &pcfg_pull_none>;
+						<1 RK_PB2 2 &pcfg_pull_default>;
 			};
 
 			uart1_cts: uart1-cts {