ARM: dts: enable the uart2 for imx6q-arm2

enable the uart2 for imx6q-arm2 board.
The uart2 works in the DTE mode, with the RTS/CTS and DMA enabled.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/arch/arm/boot/dts/imx6q-arm2.dts b/arch/arm/boot/dts/imx6q-arm2.dts
index 4e54fde..e7e3b56 100644 (file)
--- a/arch/arm/boot/dts/imx6q-arm2.dts
+++ b/arch/arm/boot/dts/imx6q-arm2.dts
@@ -97,6 +97,16 @@
        status = "okay";
 };
 
+&uart2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart2_2>;
+       fsl,dte-mode;
+       fsl,uart-has-rtscts;
+       dma-names = "rx", "tx";
+       dmas = <&sdma 27 4 0>, <&sdma 28 4 0>;
+       status = "okay";
+};
+
 &uart4 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart4_1>;