On Mon, Apr 01, 2019 at 10:07:19PM +0530, shubhrajyoti.datta@xxxxxxxxx wrote: > From: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> > > Vivado has a configurationo for selecting the modem control. > 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..3e96619 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,nomodem: The presence of this property indicates that the > + UART does not support modem lines for RTS/CTS hardware flow control. Shouldn't that be something like "noflowcontrol" or "nortscts"? "modem" has nothing to do with rts/cts flow control, right? thanks, greg k-h