linux-kernel - Re: [PATCH 7/7] dt-bindings: arm64: dts: mediatek: Add sku22 for mt8183 kakadu board

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Message-ID: <CAJMQK-iHHitbgxk5q2Z8dRt=o2XwX=WK5dbi+xcZ6Jk4MQzzig@mail.gmail.com>
Date:   Mon, 8 Nov 2021 16:27:58 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     Chen-Yu Tsai <wenst@...omium.org>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] dt-bindings: arm64: dts: mediatek: Add sku22 for
 mt8183 kakadu board

On Mon, Nov 8, 2021 at 4:10 PM Chen-Yu Tsai <wenst@...omium.org> wrote:
>
> On Mon, Nov 8, 2021 at 3:29 PM Hsin-Yi Wang <hsinyi@...omium.org> wrote:
> >
> > Add sku22 which uses different audio codec than previous kakadu board.
> >
> > Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> > ---
> >  Documentation/devicetree/bindings/arm/mediatek.yaml | 7 +++++--
> >  1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Documentation/devicetree/bindings/arm/mediatek.yaml
> > index 99e7f8e294cd03..da5f9ecc1a9b37 100644
> > --- a/Documentation/devicetree/bindings/arm/mediatek.yaml
> > +++ b/Documentation/devicetree/bindings/arm/mediatek.yaml
> > @@ -161,8 +161,11 @@ properties:
> >            - const: mediatek,mt8183
> >        - description: Google Kakadu (ASUS Chromebook Detachable CM3)
> >          items:
> > -          - const: google,kakadu-rev3
> > -          - const: google,kakadu-rev2
> > +          - enum:
> > +              - google,kakadu-rev2
> > +              - google,kakadu-rev2-sku22
> > +              - google,kakadu-rev3
> > +              - google,kakadu-rev3-sku22
> >            - const: google,kakadu
> >            - const: mediatek,mt8183
>
> This matches
>
>     "google,kakadu-rev[23](-sku22)?", "google,kakadu", "mediatek,mt8183",
>
> which isn't what you want. You want:
>
>     "google,kakadu-rev3", "google,kakadu-rev2", "google,kakadu",
>     "mediatek,mt8183"
>
> or
>
>     "google,kakadu-rev3-sku22", "google,kakadu-rev2-sku22", "google,kakadu",
>     "mediatek,mt8183"
>
> I think the following is closer, but I'm not sure if nesting "items" is valid.
>
> items:
>   - oneOf:
>     - items:
>       - const: google,kakadu-rev3-sku22
>       - const: google,kakadu-rev2-sku22
>     - items:
>       - const: google,kakadu-rev3
>       - const: google,kakadu-rev2
>   - const: google,kakadu
>   - const: mediatek,mt8183
>
How about

items:
  - enum:
        - google,kakadu-rev2
        - google,kakadu-rev2-sku22
  - enum:
        - google,kakadu-rev3
        - google,kakadu-rev3-sku22
  - const: google,kakadu
   ....

>
> ChenYu