On Tue, Apr 02, 2019 at 10:36:17AM +0530, shubhrajyoti.datta@xxxxxxxxx wrote:
> From: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
>
> Vivado has a configurationo for selecting the flow control.
Vivado is ?
> Add a dt binding to check for the same.
>
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/serial/cdns,uart.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.txt b/Documentation/devicetree/bindings/serial/cdns,uart.txt
> index 227bb77..5161a05 100644
> --- a/Documentation/devicetree/bindings/serial/cdns,uart.txt
> +++ b/Documentation/devicetree/bindings/serial/cdns,uart.txt
> @@ -12,6 +12,10 @@ Required properties:
> See ../clocks/clock-bindings.txt for details.
>
>
> +Optional properties:
> +- xlnx,nortscts: The presence of this property indicates that the
> + UART does not support modem lines for RTS/CTS hardware flow control.
We already have 'uart-has-rtscts'. Please use that. Maybe you need a new
compatible as I'd guess current users assume RTS/CTS is present.
> +
> Example:
> uart@e0000000 {
> compatible = "cdns,uart-r1p8";
> --
> 2.1.1
>
