linux-kernel - Re: [PATCH 3/6] dt-bindings: arm64: dts: mediatek: Add mt8183-kukui-jacuzzi-makomo

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Date:   Wed, 25 Oct 2023 16:54:48 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Hsin-Yi Wang <hsinyi@...omium.org>, Conor Dooley <conor@...nel.org>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>,
        Bernhard Rosenkränzer <bero@...libre.com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Macpaul Lin <macpaul.lin@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 3/6] dt-bindings: arm64: dts: mediatek: Add
 mt8183-kukui-jacuzzi-makomo

On 24/10/2023 20:22, Hsin-Yi Wang wrote:
> On Tue, Oct 24, 2023 at 8:17 AM Conor Dooley <conor@...nel.org> wrote:
>>
>> On Mon, Oct 23, 2023 at 05:02:26PM -0700, Hsin-Yi Wang wrote:
>>> Add makomo sku0 and sku1 which uses different audio codec.
>>>
>>> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
>>> ---
>>>  Documentation/devicetree/bindings/arm/mediatek.yaml | 12 ++++++++++++
>>>  1 file changed, 12 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Documentation/devicetree/bindings/arm/mediatek.yaml
>>> index fe8c488a3207..b131e0bdbf01 100644
>>> --- a/Documentation/devicetree/bindings/arm/mediatek.yaml
>>> +++ b/Documentation/devicetree/bindings/arm/mediatek.yaml
>>> @@ -250,6 +250,18 @@ properties:
>>>                - google,kodama-sku32
>>>            - const: google,kodama
>>>            - const: mediatek,mt8183
>>> +      - description: Google Makomo (Lenovo 100e Chromebook 2nd Gen MTK 2)
>>> +        items:
>>> +          - const: google,makomo-rev4-sku0
>>> +          - const: google,makomo-rev5-sku0
>>
>> With these bindings, how does one describe a makomo-rev5-sku0?
>> What you have here is only suitable for describing the makomo-rev4-sku0.
>>
> makomo-rev5-sku0 and makomo-rev4-sku0 uses the same dts:
> 
> compatible = "google,makomo-rev4-sku0", "google,makomo-rev5-sku0",
>                       "google,makomo", "mediatek,mt8183";
> 
> In this case, can bindings be listed like that?

If they use the same DTS, then I would expect rev5 (as newer model, more
specific) followed by rev4 (older).

Best regards,
Krzysztof