Re: [PATCH 1/2] ASoC: dt-bindings: rt9120: Add initial bindings

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Mark Brown <broonie@xxxxxxxxxx> 於 2021年10月5日 週二 下午8:29寫道:
>
> On Tue, Oct 05, 2021 at 08:25:43PM +0800, ChiYuan Huang wrote:
> > Mark Brown <broonie@xxxxxxxxxx> 於 2021年10月5日 週二 下午7:49寫道:
> > > On Tue, Oct 05, 2021 at 09:16:54AM +0800, cy_huang wrote:
>
> > > > +  richtek,use-dvdd-1p8v:
> > > > +    description: Indicate DVDD 1P8V is used, default for 3P3V or 5V design
> > > > +    type: boolean
>
> > > I would expect this to be done through the regulator bindings, they
> > > would allow the driver to query the supply voltage.
>
> > It's more like as the I/O pad voltage.
> > Must be the same as I2C and I2S signal high level.
> > It depends on the application SOC design.
> > From my understanding, not all application SOC I/O voltage uses
> > regulator interface.
>
> It doesn't really matter what the SoC is doing here, you can always add
> regulator support to your device - you'd be requesting the supplies to
> your device, if the SoC doesn't request the supplies that go to it that
> doesn't really make a difference to what your driver does.
>
> Please don't take things off-list unless there is a really strong reason
> to do so.  Sending things to the list ensures that everyone gets a
> chance to read and comment on things.

Sorry, my fault.
I just noticed the mail not reply all. Loop all again.




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