Re: [PATCH 1/2] dt-bindings: sc16is7xx: Add property to change GPIO function

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On Wed, 17 May 2023 18:25:07 +0100
Conor Dooley <conor@xxxxxxxxxx> wrote:

> On Wed, May 17, 2023 at 11:07:46AM -0400, Hugo Villeneuve wrote:
> > From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>
> > 
> > Some variants in this series of uart controllers have GPIO pins that
> > are shared between GPIO and modem control lines.
> > 
> > The pin mux mode (GPIO or modem control lines) can be set for each
> > ports (channels) supported by the variant.
> > 
> > This adds a property to the device tree to set the GPIO pin mux to
> > modem control lines on selected ports if needed.
> > 
> > Signed-off-by: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>
> > ---
> >  .../bindings/serial/nxp,sc16is7xx.txt         | 28 +++++++++++++++++++
> >  1 file changed, 28 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
> > index 0fa8e3e43bf8..426b7285ad50 100644
> > --- a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
> > +++ b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
> > @@ -23,6 +23,9 @@ Optional properties:
> >      1 = active low.
> >  - irda-mode-ports: An array that lists the indices of the port that
> >  		   should operate in IrDA mode.
> > +- modem-control-line-ports: An array that lists the indices of the port that
> > +			    should have shared GPIO lines configured as modem
> > +			    control lines.
> 
> If this is an NXP specific property, should it not have an nxp, vendor
> prefix?

Yes, I will resubmit a V2 with nxp vendor prefix.

Hugo.



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