Re: [PATCH v7 2/7] media: dt-binding: nuvoton: Add bindings for NPCM VCD and ECE engine

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Hi Rob,

Thanks for the review.

> > +title: Nuvoton NPCM Video Capture/Encode Engine Device Tree Bindings
>
> Drop ' Device Tree Bindings'
>
> > +
> > +maintainers:
> > +  - Joseph Liu <kwliu@xxxxxxxxxxx>
> > +  - Marvin Lin <kflin@xxxxxxxxxxx>
> > +
> > +description: |
> > +  Video Capture/Differentiation Engine (VCD) and Encoding Compression Engine
> > +  (ECE) present on Nuvoton NPCM SoCs.
>
> Sounds like 2 h/w blocks? If so, then it should be 2 separate nodes.
>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - nuvoton,npcm750-video
> > +      - nuvoton,npcm845-video
>
> 'video' doesn't sound like the name of the h/w block(s).

VCD and ECE are 2 h/w blocks and our video capture driver needs to
control their registers.
If I separate them and store a phandle (referring to ece node) in vcd
node like this:

vcd: vcd@f0810000 {
    compatible = "nuvoton,npcm750-vcd";
    reg = <0xf0810000 0x10000>;
    ...
    nuvoton,enc-engine = <&ece>;
};

ece: ece@f0820000 {
    compatible = "nuvoton,npcm750-ece";
    reg = <0xf0820000 0x2000>;
    ...
};

Does it look good to you?

Regards,
Marvin



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