linux-kernel - Re: [PATCH next v2 03/17] dt-bindings: phy: mediatek: dsi-phy: modify compatible dependence

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Date:   Sun, 24 Jan 2021 12:56:51 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>
Cc:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Min Guo <min.guo@...iatek.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>, linux-usb@...r.kernel.org
Subject: Re: [PATCH next v2 03/17] dt-bindings: phy: mediatek: dsi-phy: modify
 compatible dependence

Hi, Chunfeng:

Chun-Kuang Hu <chunkuang.hu@...nel.org> 於 2021年1月24日 週日 下午12:47寫道：
>
> Hi, Chunfeng:
>
> Chunfeng Yun <chunfeng.yun@...iatek.com> 於 2021年1月22日 週五 下午8:04寫道：
> >
> > The compatilbe "mediatek,mt7623-mipi-tx" is not supported in driver,
> > and in fact uses "mediatek,mt2701-mipi-tx" instead on MT7623, so changes
> > the compatible items to make dependence clear.
>
> Reviewed-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>

Sorry, please remove my reviewed-by tag. We should not define the
binding document according to the implementation of driver. We define
the binding document according to the hardware. So the description
should be like "mt7623-mipi-tx is compatible to mt2701-mipi-tx".

Regards,
Chun-Kuang.

>
> >
> > Cc: Chun-Kuang Hu <chunkuang.hu@...nel.org>
> > Cc: Philipp Zabel <p.zabel@...gutronix.de>
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> > ---
> > v2: separate two patches suggested by CK
> > ---
> >  .../devicetree/bindings/phy/mediatek,dsi-phy.yaml   | 13 ++++++++-----
> >  1 file changed, 8 insertions(+), 5 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml
> > index 71d4acea1f66..6e4d795f9b02 100644
> > --- a/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml
> > +++ b/Documentation/devicetree/bindings/phy/mediatek,dsi-phy.yaml
> > @@ -19,11 +19,14 @@ properties:
> >      pattern: "^dsi-phy@[0-9a-f]+$"
> >
> >    compatible:
> > -    enum:
> > -      - mediatek,mt2701-mipi-tx
> > -      - mediatek,mt7623-mipi-tx
> > -      - mediatek,mt8173-mipi-tx
> > -      - mediatek,mt8183-mipi-tx
> > +    oneOf:
> > +      - items:
> > +          - enum:
> > +              - mediatek,mt7623-mipi-tx
> > +          - const: mediatek,mt2701-mipi-tx
> > +      - const: mediatek,mt2701-mipi-tx
> > +      - const: mediatek,mt8173-mipi-tx
> > +      - const: mediatek,mt8183-mipi-tx
> >
> >    reg:
> >      maxItems: 1
> > --
> > 2.18.0