Re: [PATCH v2 62/66] dt-bindings: media: sun6i-a31-csi: Add ISP output port

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On Mon, Feb 07, 2022 at 06:04:51PM +0200, Laurent Pinchart wrote:
> On Sat, Feb 05, 2022 at 07:54:25PM +0100, Paul Kocialkowski wrote:
> > Some Allwinner devices come with an Image Signal Processor (ISP) that
> > allows processing camera data to produce good-looking images,
> > especially from raw bayer representations.
> > 
> > The ISP does not have a dedicated capture path: it is fed directly by
> > one of the CSI controllers, which can be selected at run-time.
> > 
> > Represent this possibility as a graph connection between the CSI
> > controller and the ISP in the device-tree bindings.
> > 
> > Signed-off-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx>
> > ---
> >  .../bindings/media/allwinner,sun6i-a31-csi.yaml    | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> > index 3cc61866ea89..7952413f98d8 100644
> > --- a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> > +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
> > @@ -83,6 +83,20 @@ properties:
> >  
> >          additionalProperties: false
> >  
> > +      port@2:
> > +        $ref: /schemas/graph.yaml#/$defs/port-base
> > +        description: ISP output port
> > +
> > +        properties:
> > +          reg:
> > +            const: 2
> > +
> > +          endpoint:
> > +            $ref: video-interfaces.yaml#
> > +            unevaluatedProperties: false
> 
> This could be
> 
>             $ref: video-interfaces.yaml#
>             remote-endpoint: true
>             additionalProperties: false
> 
> to reject other properties.

If that's what is desired, then video-interfaces.yaml shouldn't be 
referenced and up above should be /properties/port.

Rob



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