diff --git a/arch/arm64/boot/dts/rockchip/rk3566-odroid-m1s.dts b/arch/arm64/boot/dts/rockchip/rk3566-odroid-m1s.dts
index 3519bf8954b8..3e5934e860fe 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-odroid-m1s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-odroid-m1s.dts
@@ -889,6 +889,10 @@
 	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn &uart1m0_rtsn>;
 };
 
+&uart5 {
+	pinctrl-0 = <&uart5m1_xfer>;
+};
+
 &uart6 {
 	dma-names = "tx", "rx";
 	pinctrl-1 = <&uart6m0_xfer &uart6m0_ctsn &uart6m0_rtsn>;