Re: [PATCH v2 1/1] dt-bindings: nvmem: mediatek: Convert mtk-efuse binding to YAML

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On 27/04/2022 11:28, allen-kh.cheng wrote:
> Hi Krzysztof,
> 
> On Tue, 2022-04-26 at 12:14 +0200, Krzysztof Kozlowski wrote:
>> On 26/04/2022 12:02, allen-kh.cheng wrote:
>>> Hi Krzysztof,
>>>
>>> On Tue, 2022-04-26 at 08:31 +0200, Krzysztof Kozlowski wrote:
>>>> On 26/04/2022 08:23, allen-kh.cheng wrote:
>>>>>>> +properties:
>>>>>>> +  compatible:
>>>>>>> +    oneOf:
>>>>>>> +      - enum:
>>>>>>> +          - mediatek,mt8173-efuse
>>>>>>> +          - mediatek,efuse
>>>>>>
>>>>>> Still no changes...
>>>>>>
>>>>>
>>>>> I just want to confirm again.
>>>>>
>>>>> "Generic compatibles should not be used standalone"
>>>>>
>>>>> It seems we should remove mediatek,efuse and keep
>>>>> "mediatek,mt8173-
>>>>> efuse"in binding. have I got that right?
>>>>
>>>> You should comment for which chipsets this compatible is and add
>>>> a
>>>> deprecated:true. In such case it cannot be part of enum but
>>>> separate
>>>> item in this oneOf.
>>>>
>>>>
>>>> Best regards,
>>>> Krzysztof
>>>
>>> Thanks for your suggestions, I would plan to send PATCHs as below,
>>>
>>> We have a PATCH 01 for current accepted dts
>>>
>>> properties:
>>>   compatible:
>>>     oneOf:
>>>       - enum:
>>>         - mediatek,efuse
>>>
>>>         - mediatek,mt8173-efuse
>>>         description: Only mt8173-efuse
>>> with generic fallback should be used
>>>       - items:
>>>           - enum:
>>>     
>>> - mediatek,mt7622-efuse
>>> 			  ...
>>>           - const: mediatek,efuse
>>>
>>> Then add PATCH 02 to deprecate it
>>>
>>> properties:
>>>   compatible:
>>>     oneOf:
>>>       - enum:
>>>         - mediatek,efuse
>>>         - mediatek,mt8173-efuse
>>>         deprecated: true
>>>         description: The mediatek,efuse is a generic fallback for
>>> other
>>> Chipset. Do not use the single compatible such as mediatek,efuse
>>> or mediatek,mt8173-efuse. It is deprecated.
>>>       - items:
>>>           - enum:
>>>               - mediatek,mt7622-efuse
>>>               ...
>>>           - const: mediatek,efuse
>>>
>>>
>>> PATCH 03 for 8173
>>>
>>> update mt8173.dtsi 
>>>
>>> change compatible from "mediatek,mt8173-efuse" to "mediatek,mt8173-
>>> efuse", "mediatek,efuse";
>>>
>>>
>>> Do you think it'd be okay ?
>>
>> The idea is correct, but as I said it cannot be part of enum, but
>> separate item in oneOf. You should see an error when testing your
>> patch.
>>
>>
>> Best regards,
>> Krzysztof
> 
> I have tested 
> make DT_CHECKER_FLAGS=-m dt_binding_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/nvmem/mtk,efuse.yaml
> 
> make ARCH=arm64 dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/nvmem/mtk,efuse.yaml
> 
> Is the following correct as final version ?

Almost :)

> 
> properties:
>   compatible:
>     oneOf:
>       - const: mediatek,mt8173-efuse
> #Don't use this in new dts files

This compatible above is correct for mt8173, isn't it?

>         deprecated: true
>       - const:
> mediatek,efuse
>         deprecated: true
>         description:
>          
> Please use mediatek,efuse as fallback.

Description does not match. This should be something like:
"MediaTek efuse for MT8173. Deprecated, use mediatek,mt8173-efuse instead"



Best regards,
Krzysztof



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