Re: [PATCH v2 1/3] dt-bindings: media: ov772x: Document endpoint properties

From: Lad, Prabhakar
Date: Mon Aug 17 2020 - 08:02:09 EST


On Mon, Aug 17, 2020 at 9:07 AM Jacopo Mondi <jacopo@xxxxxxxxxx> wrote:
>
> Hello Prabhakar,
>
> On Sat, Aug 15, 2020 at 11:34:33AM +0100, Lad, Prabhakar wrote:
> > Hi Jacopo,
> >
> > On Mon, Aug 3, 2020 at 12:39 PM Lad Prabhakar
> > <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> wrote:
> > >
> > > Document endpoint properties required for parallel interface
> > >
> > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > > ---
> > > .../devicetree/bindings/media/i2c/ov772x.txt | 16 ++++++++++++++++
> > > 1 file changed, 16 insertions(+)
> > >
> > I see you already have a patch for YAML conversion for OV772x binding
> > [1], if you plan to post a v2 would you be OK to pick these changes as
> > part of your conversion changes ?
>
> Sure thing, I'll add the following properties to the series!
>
Thank you Jacopo. I'll get on with the v3 version of the series.

Cheers,
Prabhakar

> Thanks
> j
>
> >
> > [1] https://www.spinics.net/lists/linux-media/msg173201.html
> >
> > Cheers,
> > Prabhakar
> >
> > > diff --git a/Documentation/devicetree/bindings/media/i2c/ov772x.txt b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> > > index 0b3ede5b8e6a..1f4153484717 100644
> > > --- a/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> > > +++ b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> > > @@ -21,6 +21,22 @@ subnode for its digital output video port, in accordance with the video
> > > interface bindings defined in Documentation/devicetree/bindings/media/
> > > video-interfaces.txt.
> > >
> > > +Endpoint node required properties for parallel connection are:
> > > +- remote-endpoint: a phandle to the bus receiver's endpoint node.
> > > +- bus-width: shall be set to <8> for 8 bits parallel bus
> > > + or <10> for 10 bits parallel bus
> > > +- data-shift: shall be set to <2> for 8 bits parallel bus
> > > + (lines 9:2 are used) or <0> for 10 bits parallel bus
> > > +- hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively.
> > > + (Not required for bus-type equal 6)
> > > +- vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively.
> > > + (Not required for bus-type equal 6)
> > > +- pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock
> > > + signal. (Not required for bus-type equal 6)
> > > +- bus-type: data bus type. Possible values are:
> > > + 5 - Parallel
> > > + 6 - Bt.656
> > > +
> > > Example:
> > >
> > > &i2c0 {
> > > --
> > > 2.17.1
> > >