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* Re: [PATCHv2 1/2] dt-bindings: xilinx-uartps: Add support for noctsrts
       [not found]   ` <5ca841e5.1c69fb81.87c5.289f@mx.google.com>
@ 2020-09-10  5:56     ` Shubhrajyoti Datta
  0 siblings, 0 replies; only message in thread
From: Shubhrajyoti Datta @ 2020-09-10  5:56 UTC (permalink / raw)
  To: Rob Herring
  Cc: open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
	Michal Simek, Greg Kroah-Hartman, jslaby, linux-serial,
	Shubhrajyoti Datta

Hi Rob,
Thanks for the review.

On Sat, Apr 6, 2019 at 11:36 AM Rob Herring <robh@kernel.org> wrote:
>
> On Tue, Apr 02, 2019 at 10:36:17AM +0530, shubhrajyoti.datta@gmail.com wrote:
> > From: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
> >
> > 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@xilinx.com>
> > ---
> >  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.
>
Current behavior is it is with 'uart-has-rtscts . However to keep
backward compatibility.
I added nortscts .

Let me know if we can tackle that or can we change the default behavior?
> > +
> >  Example:
> >       uart@e0000000 {
> >               compatible = "cdns,uart-r1p8";
> > --
> > 2.1.1
> >
>

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2020-09-10  5:56     ` [PATCHv2 1/2] dt-bindings: xilinx-uartps: Add support for noctsrts Shubhrajyoti Datta

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