diff --git a/arch/arm/boot/dts/stih410-b2260.dts b/arch/arm/boot/dts/stih410-b2260.dts
index 06b0696cb6b8d0007732cac1c627f75080d054ee..fa16abac0e4dfa719e74c068be11bb3b0e57dcd8 100644
--- a/arch/arm/boot/dts/stih410-b2260.dts
+++ b/arch/arm/boot/dts/stih410-b2260.dts
@@ -63,6 +63,7 @@
 		uart0: serial@9830000 {
 			label = "LS-UART0";
 			status = "okay";
+			rts-gpios = <&pio17 3 GPIO_ACTIVE_LOW>;
 		};
 
 		/* Low speed expansion connector */