Re: [PATCH v2, 1/7] dt-bindings: media: mtk-vcodec: Adds decoder dt-bindings for lat soc

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Hi AngeloGioacchino,

Thanks for your suggestion.
On Thu, 2022-02-10 at 09:40 +0100, AngeloGioacchino Del Regno wrote:
> Il 10/02/22 04:06, yunfei.dong@xxxxxxxxxxxx ha scritto:
> > Hi Rob,
> > 
> > Thanks for your suggestion.
> > On Wed, 2022-02-09 at 14:37 -0600, Rob Herring wrote:
> > > On Fri, Jan 28, 2022 at 11:54:34AM +0800, Yunfei Dong wrote:
> > > > Adds decoder dt-bindings for compatible "mediatek,mtk-vcodec-
> > > > lat-
> > > > soc".
> > > 
> > > What's lat soc? How does this relate to what's already there in
> > > this
> > > binding.
> > > 
> > 
> > lat soc is another hardware, is related with some vdec larb ports.
> > Won't be used to decode, but must to write it in dtsi, or hardware
> > can't work well.
> 
> Hello Yunfei,
> 
> as a suggestion, writing the meaning of the "LAT" acronym may also
I'm very sorry, I can't write the meaning of the "LAT" acronym. You can
regards it as an hardware.

> help to clear some doubts around (please, also do that in the yaml
> file,
> other than the commit description).
> 
I will add detail message for this hardware in next patch. And this
hardware only be used for mt8195 at now.

> Thank you!
> Angelo
> 
Best Regards,
Yunfei Dong
> > 
> > Need to enable clock/power/iommus, no interrupt.
> > > The subject space is limited, avoid saying the same thing twice
> > > (dt-bindings).
> > > 
> > 
> > Best Regards,
> > Yunfei Dong
> > > > 
> > > > Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> > > > ---
> > > >   .../media/mediatek,vcodec-subdev-decoder.yaml | 49
> > > > +++++++++++++++++++
> > > >   1 file changed, 49 insertions(+)
> > > > 
> > > > diff --git
> > > > a/Documentation/devicetree/bindings/media/mediatek,vcodec-
> > > > subdev-
> > > > decoder.yaml
> > > > b/Documentation/devicetree/bindings/media/mediatek,vcodec-
> > > > subdev-
> > > > decoder.yaml
> > > > index 6415c9f29130..a3c892338ac0 100644
> > > > --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-
> > > > subdev-decoder.yaml
> > > > +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-
> > > > subdev-decoder.yaml
> > > > @@ -189,6 +189,55 @@ patternProperties:
> > > >   
> > > >       additionalProperties: false
> > > >   
> > > > +  '^vcodec-lat-soc@[0-9a-f]+$':
> > > > +    type: object
> > > > +
> > > > +    properties:
> > > > +      compatible:
> > > > +        const: mediatek,mtk-vcodec-lat-soc
> > > > +
> > > > +      reg:
> > > > +        maxItems: 1
> > > > +
> > > > +      iommus:
> > > > +        minItems: 1
> > > > +        maxItems: 32
> > > > +        description: |
> > > > +          List of the hardware port in respective IOMMU block
> > > > for
> > > > current Socs.
> > > > +          Refer to bindings/iommu/mediatek,iommu.yaml.
> > > > +
> > > > +      clocks:
> > > > +        maxItems: 5
> > > > +
> > > > +      clock-names:
> > > > +        items:
> > > > +          - const: sel
> > > > +          - const: soc-vdec
> > > > +          - const: soc-lat
> > > > +          - const: vdec
> > > > +          - const: top
> > > > +
> > > > +      assigned-clocks:
> > > > +        maxItems: 1
> > > > +
> > > > +      assigned-clock-parents:
> > > > +        maxItems: 1
> > > > +
> > > > +      power-domains:
> > > > +        maxItems: 1
> > > > +
> > > > +    required:
> > > > +      - compatible
> > > > +      - reg
> > > > +      - iommus
> > > > +      - clocks
> > > > +      - clock-names
> > > > +      - assigned-clocks
> > > > +      - assigned-clock-parents
> > > > +      - power-domains
> > > > +
> > > > +    additionalProperties: false
> > > > +
> > > >   required:
> > > >     - compatible
> > > >     - reg
> > > > -- 
> > > > 2.25.1
> > > > 
> > > > 
> 
> 




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