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>

diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index e035f46..15715d9 100644 (file)
--- 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";
                        };