linux-kernel - Re: [PATCH v2 01/23] dt-bindings: iommu: mediatek: Convert IOMMU to DT schema

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Message-ID: <1600148980.25043.11.camel@mhfsdcap03>
Date:   Tue, 15 Sep 2020 13:49:40 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Rob Herring <robh@...nel.org>
CC:     Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Robin Murphy <robin.murphy@....com>,
        Will Deacon <will@...nel.org>,
        Evan Green <evgreen@...omium.org>,
        Tomasz Figa <tfiga@...gle.com>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <youlin.pei@...iatek.com>,
        Nicolas Boichat <drinkcat@...omium.org>,
        <anan.sun@...iatek.com>, <chao.hao@...iatek.com>,
        <ming-fan.chen@...iatek.com>
Subject: Re: [PATCH v2 01/23] dt-bindings: iommu: mediatek: Convert IOMMU to
 DT schema

On Mon, 2020-09-14 at 17:22 -0600, Rob Herring wrote:
> On Sat, Sep 05, 2020 at 04:08:58PM +0800, Yong Wu wrote:
> > Convert MediaTek IOMMU to DT schema.
> > 
> > Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> > ---

[...]

> > +properties:
> > +  compatible:
> > +    enum:
> > +      - mediatek,mt2701-m4u #mt2701 generation one HW
> > +      - mediatek,mt2712-m4u #mt2712 generation two HW
> > +      - mediatek,mt6779-m4u #mt6779 generation two HW
> > +      - mediatek,mt7623-m4u, mediatek,mt2701-m4u #mt7623 generation one HW
> 
> This is not right.
> 
> items:
>   - const: mediatek,mt7623-m4u
>   - const: mediatek,mt2701-m4u
> 
> And that has to be under a 'oneOf' with the rest of this.

Thanks for the review. Is this OK?

  compatible:
    oneOf:
      - const: mediatek,mt2701-m4u # mt2701 generation one HW
      - const: mediatek,mt2712-m4u # mt2712 generation two HW
      - const: mediatek,mt6779-m4u # mt6779 generation two HW
      - const: mediatek,mt8173-m4u # mt8173 generation two HW
      - const: mediatek,mt8183-m4u # mt8183 generation two HW
      - const: mediatek,mt8192-m4u # mt8192 generation two HW
            
      - description: mt7623 generation one HW
        items:
          - const: mediatek,mt7623-m4u
          - const: mediatek,mt2701-m4u

> 
> > +      - mediatek,mt8173-m4u #mt8173 generation two HW
> > +      - mediatek,mt8183-m4u #mt8183 generation two HW
> > +
> > +  reg:
> > +    maxItems: 1

[snip]