ARM: dts: imx28-evk: add the RTS/CTS property for auart0

Add the RTS/CTS property for auart0 which means we enable the
DMA support for it.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index e035f4664b97..15715d921d14 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -220,6 +220,7 @@
                         auart0: serial@8006a000 {
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&auart0_pins_a>;
+                                fsl,uart-has-rtscts;
                                 status = "okay";
                         };