diff --git a/arch/arm/boot/dts/ti/omap/am335x-pdu001.dts b/arch/arm/boot/dts/ti/omap/am335x-pdu001.dts
index f0da94a738d5..c9ccb9de21ad 100644
--- a/arch/arm/boot/dts/ti/omap/am335x-pdu001.dts
+++ b/arch/arm/boot/dts/ti/omap/am335x-pdu001.dts
@@ -258,6 +258,7 @@ &uart0 {
 
 	rts-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
 	rs485-rts-active-high;
+	rs485-rx-during-tx;
 	rs485-rts-delay = <0 0>;
 	linux,rs485-enabled-at-boot-time;