linux-kernel - Re: [PATCH 3/3] ASoC: dt-bindings: rt5682: Add AVDD, MICVDD and VBAT supplies

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Message-ID: <20221024160029.cfpyp2cptwig27jd@notapiano>
Date:   Mon, 24 Oct 2022 12:00:29 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Mark Brown <broonie@...nel.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, kernel@...labora.com,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] ASoC: dt-bindings: rt5682: Add AVDD, MICVDD and VBAT
 supplies

On Sat, Oct 22, 2022 at 12:41:01PM -0400, Krzysztof Kozlowski wrote:
> On 21/10/2022 15:09, Nícolas F. R. A. Prado wrote:
> > The rt5682 codec can have three supplies: AVDD, MICVDD and VBAT. Add
> > properties for them.
> > 
> > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> > ---
> > 
> >  Documentation/devicetree/bindings/sound/rt5682.txt | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/sound/rt5682.txt b/Documentation/devicetree/bindings/sound/rt5682.txt
> > index c5f2b8febcee..5ccf4eaf12a9 100644
> > --- a/Documentation/devicetree/bindings/sound/rt5682.txt
> > +++ b/Documentation/devicetree/bindings/sound/rt5682.txt
> > @@ -48,6 +48,12 @@ Optional properties:
> >  
> >  - #sound-dai-cells: Should be set to '<0>'.
> >  
> > +- AVDD-supply: phandle to the regulator supplying AVDD
> > +
> > +- MICVDD-supply: phandle to the regulator supplying MICVDD
> > +
> > +- VBAT-supply: phandle to the regulator supplying VBAT
> 
> Lowercase.

Actually looks like there's already a DT using these properties before the
binding was added:

arm64/boot/dts/qcom/sc7180-trogdor.dtsi

In this case should we keep them uppercase for compatibility or carry on with
the name changes and also update the DT? (the driver also uses uppercase names)


Also noticed that dai-cells should actually be 1. Will fix in next version.

Thanks,
Nícolas