ARM: dts: imx6-tx6: enable support for rtscts on UARTs

Add missing pinctrl for the RTS/CTS lines to uart1 and set the
fsl,uart-has-rtscts property on all UARTs to enable support for HW
handshake.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
index ddf58b80d81c8f37863abe2fdbafcd7595d089c0..39b85aef93e1329df53cfaa6d5673a5eecddc1fb 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
@@ -688,19 +688,22 @@
 
 &uart1 {
        pinctrl-names = "default";
-       pinctrl-0 = <&pinctrl_uart1>;
+       pinctrl-0 = <&pinctrl_uart1 &pinctrl_uart1_rtscts>;
+       fsl,uart-has-rtscts;
        status = "okay";
 };
 
 &uart2 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart2 &pinctrl_uart2_rtscts>;
+       fsl,uart-has-rtscts;
        status = "okay";
 };
 
 &uart3 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart3 &pinctrl_uart3_rtscts>;
+       fsl,uart-has-rtscts;
        status = "okay";
 };