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 <l...@karo-electronics.de>
---
 arch/arm/boot/dts/imx6qdl-tx6.dtsi | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi 
b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
index d96dba2..24101c1 100644
--- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
@@ -684,19 +684,22 @@
 
 &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";
 };
 
-- 
2.1.4

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