linux-kernel - Re: [PATCH] dt-bindings: mmc: Add compatible for MediaTek MT8188

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Date:   Mon, 11 Jul 2022 13:02:30 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Johnson Wang <johnson.wang@...iatek.com>, ulf.hansson@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH] dt-bindings: mmc: Add compatible for MediaTek MT8188

On 07/07/2022 09:30, Johnson Wang wrote:
> On Thu, 2022-07-07 at 08:46 +0200, Krzysztof Kozlowski wrote:
>> On 07/07/2022 07:47, Johnson Wang wrote:
>>> This commit adds dt-binding documentation of mmc for MediaTek
>>> MT8188 SoC
>>> platform.
>>>
>>> Signed-off-by: Johnson Wang <johnson.wang@...iatek.com>
>>> ---
>>>  Documentation/devicetree/bindings/mmc/mtk-sd.yaml | 3 +++
>>>  1 file changed, 3 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>>> b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>>> index 2a2e9fa8c188..3fbf33ad4f7c 100644
>>> --- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>>> +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
>>> @@ -32,6 +32,9 @@ properties:
>>>        - items:
>>>            - const: mediatek,mt8186-mmc
>>>            - const: mediatek,mt8183-mmc
>>> +      - items:
>>> +          - const: mediatek,mt8188-mmc
>>
>> You duplicate quite a lot. Use enum.
>>
>> Best regards,
>> Krzysztof
> 
> Hi Krzysztof,
> 
> Thanks for you suggestion.
> 
> I will use 'enum' to place this compatible strings.
> 
> Just like this:
> - items:
>     - enum:
>         - mediatek,mt8186-mmc
>         - mediatek,mt8188-mmc
>         - mediatek,mt8192-mmc
>         - mediatek,mt8195-mmc
>     - const: mediatek,mt8183-mmc
> 
> Moreover, it seems that missing an "items:" between oneOf and enum in
> the compatible property.
> Is my understanding wrong?

I did not propose to remove items, so where are they missing? Not sure
what you are asking about...

Best regards,
Krzysztof