Re: [PATCH v4 2/3] dt-bindings: media: ov772x: Make bus-type mandatory

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Hi Laurent,

On Fri, Sep 04, 2020 at 06:06:50PM +0300, Laurent Pinchart wrote:
> Hi Jacopo,
>
> On Fri, Sep 04, 2020 at 10:05:35AM +0200, Jacopo Mondi wrote:
> > On Thu, Sep 03, 2020 at 03:10:28PM +0200, Jacopo Mondi wrote:
> > > In order to establish required properties based on the selected
> > > bus type, make the 'bus-type' property mandatory. As this change
> > > documents an endpoint property, also document the 'remote-endpoint'
> > > one now that the 'endpoint' schema has been expanded.
> > >
> > > Binary compatibility with existing DTB is kept as the driver does not
> > > enforce the property to be present, and shall fall-back to default
> > > parallel bus configuration, which was the only supported bus type, if
> > > the property is not specified.
> > >
> > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> > > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> > > ---
> > >  .../bindings/media/i2c/ovti,ov772x.yaml       | 20 +++++++++++++++++++
> > >  1 file changed, 20 insertions(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> > > index e7e2d31fcc23..406e9cd463a2 100644
> > > --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> > > +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> > > @@ -41,6 +41,25 @@ properties:
> > >      description: |
> > >        Video output port. See ../video-interfaces.txt.
> > >
> > > +    properties:
> > > +      endpoint:
> > > +        type: object
> > > +
> > > +        properties:
> > > +          remote-endpoint:
> > > +            description: See ../video-interfaces.txt
> >
> > So I guess the same as you suggested for imx214 applies here (drop
> > remote-endpoint)
>
> Correct. And you should then replace additionalProperties: false with
> unevaluatedProperties: false.
>

Ah thanks, I would have just dropped additionalProperties, I didn't
know about unevaluatedProperties.

Thanks
  j

> > > +
> > > +          bus-type:
> > > +            enum: [5, 6]
> > > +
> > > +        required:
> > > +          - remote-endpoint
> > > +          - bus-type
> > > +
> > > +        additionalProperties: false
> > > +
> > > +    additionalProperties: false
> > > +
> > >  required:
> > >    - compatible
> > >    - reg
> > > @@ -65,6 +84,7 @@ examples:
> > >
> > >              port {
> > >                  ov772x_0: endpoint {
> > > +                    bus-type = <5>;
> > >                      remote-endpoint = <&vcap1_in0>;
> > >                  };
> > >              };
>
> --
> Regards,
>
> Laurent Pinchart



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