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

From: Jacopo Mondi
Date: Mon Aug 17 2020 - 04:08:04 EST


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!

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
> >