Re: [PATCH v3 1/3] dt-bindings: media: rockchip-vpu: Add RK3568 VEPU compatible

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On Mittwoch, 11. Mai 2022 18:00:09 CEST Krzysztof Kozlowski wrote:
> On 11/05/2022 17:53, Nicolas Frattaroli wrote:
> > The RK3568 and RK3566 have a Hantro VPU node solely dedicated to
> > encoding. This patch adds a compatible for it, and also allows
> > the bindings to only come with a vepu interrupt.
> > 
> > Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@xxxxxxxxx>
> > ---
> >  .../devicetree/bindings/media/rockchip-vpu.yaml | 17 ++++++++++++++++-
> >  1 file changed, 16 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/media/rockchip-vpu.yaml b/Documentation/devicetree/bindings/media/rockchip-vpu.yaml
> > index bacb60a34989..965ca80b5cea 100644
> > --- a/Documentation/devicetree/bindings/media/rockchip-vpu.yaml
> > +++ b/Documentation/devicetree/bindings/media/rockchip-vpu.yaml
> > @@ -22,6 +22,7 @@ properties:
> >            - rockchip,rk3288-vpu
> >            - rockchip,rk3328-vpu
> >            - rockchip,rk3399-vpu
> > +          - rockchip,rk3568-vepu
> >            - rockchip,px30-vpu
> >        - items:
> >            - const: rockchip,rk3188-vpu
> > @@ -39,7 +40,9 @@ properties:
> >  
> >    interrupt-names:
> >      oneOf:
> > -      - const: vdpu
> > +      - enum:
> > +          - vdpu
> > +          - vepu
> >        - items:
> >            - const: vepu
> >            - const: vdpu
> > @@ -76,6 +79,18 @@ required:
> >  
> >  additionalProperties: false
> >  
> > +allOf:
> > +  # compatibles that end in -vepu should only have the vepu interrupt
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            pattern: "^[a-zA-Z0-9\\-,_.]+\\-vepu$"
> 
> Why not listing the compatible how I asked? This is the common way of
> handling allOf:if:then per variant.

Because I was afraid that if this wasn't general enough to apply to all
future vepu-only instances of Hantro, then my patch might be bikeshed
into requiring a v4. Clearly, my worries had the opposite effect.

Also because I thought it was cool to use a pattern for this to enforce
consistent naming in the bindings.

> 
> https://lore.kernel.org/all/ea94f18d-3172-98bb-0892-a98236a08018@xxxxxxxxxx/
> 
> Your patches do not apply on next, so the set might not have been tested
> by Rob's bot.

Good to know. Once I send out v4 in a few days and maybe after some more
opinions so I can stop bombarding the mailing list with tiny revisions
of the same patch set, I will base it on linux-next.

I'm happy to report though that this passes dt_binding_check with W=1
without adding any new warnings. I do actually run those checks (and
checkpatch) before submitting.

> 
> Best regards,
> Krzysztof
> 

Regards,
Nicolas Frattaroli





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