linux-kernel - Re: [PATCH 5/5] dt-bindings: mediatek: mt8195: add mt8195-mt6359-max98390-rt5682 document

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Date:   Mon, 14 Mar 2022 09:28:48 -0600
From:   Rob Herring <robh@...nel.org>
To:     Trevor Wu <trevor.wu@...iatek.com>
Cc:     broonie@...nel.org, tiwai@...e.com, matthias.bgg@...il.com,
        alsa-devel@...a-project.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, aaronyu@...gle.com,
        yc.hung@...iatek.com
Subject: Re: [PATCH 5/5] dt-bindings: mediatek: mt8195: add
 mt8195-mt6359-max98390-rt5682 document

On Sat, Mar 12, 2022 at 10:20:21PM +0800, Trevor Wu wrote:
> On Thu, 2022-03-10 at 16:18 -0600, Rob Herring wrote:
> > On Tue, Mar 08, 2022 at 03:24:35PM +0800, Trevor Wu wrote:
> > > This patch adds document for mt8195 board with mt6359, max98390 and
> > > rt5682.
> > > 
> > > Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
> > > ---
> > >  .../sound/mt8195-mt6359-max98390-rt5682.yaml  | 61
> > > +++++++++++++++++++
> > >  1 file changed, 61 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/sound/mt8195-
> > > mt6359-max98390-rt5682.yaml
> > > 
> > > diff --git a/Documentation/devicetree/bindings/sound/mt8195-mt6359-
> > > max98390-rt5682.yaml
> > > b/Documentation/devicetree/bindings/sound/mt8195-mt6359-max98390-
> > > rt5682.yaml
> > > new file mode 100644
> > > index 000000000000..7ec14d61b109
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/sound/mt8195-mt6359-
> > > max98390-rt5682.yaml
> > > @@ -0,0 +1,61 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: 
> > > https://urldefense.com/v3/__http://devicetree.org/schemas/sound/mt8195-mt6359-max98390-rt5682.yaml*__;Iw!!CTRNKA9wMg0ARbw!zb7eaqdAQfuyPpP5m31L3Q5pdCulclJgnygkkMgYh2M6segUZedd-cYz51-5Q2XDCA$
> > >  
> > > +$schema: 
> > > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!zb7eaqdAQfuyPpP5m31L3Q5pdCulclJgnygkkMgYh2M6segUZedd-cYz5187C1ArQA$
> > >  
> > > +
> > > +title: Mediatek MT8195 with MT6359, MAX98390 and RT5682 ASoC sound
> > > card driver
> > > +
> > > +maintainers:
> > > +  - Trevor Wu <trevor.wu@...iatek.com>
> > > +
> > > +description:
> > > +  This binding describes the MT8195 sound card.
> > > +
> > > +properties:
> > > +  compatible:
> > > +    const: mediatek,mt8195_mt6359_max98390_rt5682
> > 
> > You have nodes for each of these components, why do we need new 
> > compatible string for each combination. You can figure out the 
> > combination by looking at each of those nodes.
> > 
> > Second, why does each combination need a new schema doc?
> > 
> > Rob
> 
> Hi Rob,
> 
> I'm not sure whether I can reuse the old schema doc because of the doc
> name and compatible string seems to be specifically for the codec
> combination.
> If I want to reuse the old schema doc, should I change the doc name or
> compatible string? Make the naming more general.

It's fine to either leave it named after the first compatible string or 
rename it if you want.

Rob