Re: [PATCH v2 4/4] riscv: dts: starfive: add tdm node and sound card

[Conor Dooley]

On Mon, Apr 24, 2023 at 11:21:11AM +0800, Walker Chen wrote:
> 
> 
> On 2023/4/22 0:50, Conor Dooley wrote:
> > Hey Walker,
> > 
> > On Thu, Apr 20, 2023 at 10:41:18AM +0800, Walker Chen wrote:
> >> Add the tdm controller node and sound card for the StarFive JH7110 SoC.
> > 
> > Is this one of these waveshare things + a visionfive 2?
> > https://www.waveshare.com/wm8960-audio-hat.htm
> 
> Hey Conor,
> I'm glad to receive your comments.
> 
> Now we are using this board + VisionFive2 :
> https://wiki.seeedstudio.com/ReSpeaker_2_Mics_Pi_HAT/
> 
> > 
> > I'm a bit lost as to why this needs a whole new board, should it not
> > just be an overlay that you can apply to the existing dts?
> > 
> > Taking this to an extreme, should I expect to see a new devicetree for
> > everything RPi hat that you decide to use with a VisionFive 2?
> 
> For your response, I did some thinking. Because wm8960 codec is not integrated
>  on the VisionFive2 board, perhaps using overlay is a better way.

Aye. I think so too. From my PoV, if this particular seeed audio board
is something you're bundling with VisionFive 2 boards on your storefront
etc, then I'm fine with taking it as an in-tree overlay.
If it is just a "random" RPi hat (that happens to be exactly what you
need for testing the audio drivers), then I don't know where to draw a
line for what is & what is not acceptable for inclusion.

In both cases, it's Emil's call.

Cheers,
Conor.

> > Also, it'd be nice to provide a Link: to where someone can find more
> > info on this combination of items. Google for "wm8960 visionfive 2"
> > gives me nothing, nor does "starfive audio card" etc.

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