Re: Aw: Re: Re: Re: [PATCH v3 1/3] dt-bindings: Convert ahci-platform DT bindings to yaml

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On 28/02/2022 18:01, Frank Wunderlich wrote:
> Hi
> 
>> Gesendet: Montag, 28. Februar 2022 um 15:35 Uhr
>> Von: "Krzysztof Kozlowski" <krzysztof.kozlowski@xxxxxxxxxxxxx>
>>>> Gesendet: Montag, 28. Februar 2022 um 13:38 Uhr
>>>> Von: "Krzysztof Kozlowski" <krzysztof.kozlowski@xxxxxxxxxxxxx>
> 
>>>> No, this has to be oneOf. See for example
>>>> Documentation/devicetree/bindings/gpio/gpio-vf610.yaml or many other files.
> 
>>> compatible:
>>>   oneOf:
>>>     - enum:
>>>       - brcm,iproc-ahci
>>>       - cavium,octeon-7130-ahci
>>>       - hisilicon,hisi-ahci
>>>       - ibm,476gtr-ahci
>>>       - marvell,armada-3700-ahci
>>>       - marvell,armada-380-ahci
>>>       - snps,dwc-ahci
>>>       - snps,spear-ahci
>>>     - items:
>>>       - const: generic-ahci
>>>       - enum:
>>>         - brcm,iproc-ahci
>>>         - cavium,octeon-7130-ahci
>>>         - hisilicon,hisi-ahci
>>>         - ibm,476gtr-ahci
>>>         - marvell,armada-3700-ahci
>>>         - marvell,armada-380-ahci
>>>         - snps,dwc-ahci
>>>         - snps,spear-ahci
>>
>> That could be one way, but instead I propose to have only second part
>> (so enum + generic-ahci) for all compatibles mentioned in
>> ahci_platform.c, which do not customize the driver behavior for these
>> compatibles..
> 
> tried many ways of defining it, but none passes with the examples. either to short (first example) or too long (second)
> 
> as far as i understand the logic it should be similar to this:
> 
> properties:
>   compatible:
>     oneOf:
>       - items:
>         - enum:
>           - marvell,berlin2q-achi

You need to extend this enum with all the entries I mentioned before.

>         - const: generic-ahci
>       - items:

No items here, directly enum.

>         - enum:
>           - brcm,iproc-ahci
>           - cavium,octeon-7130-ahci
>           - hisilicon,hisi-ahci
>           - ibm,476gtr-ahci
>           - marvell,armada-3700-ahci
>           - marvell,armada-380-ahci
>           - snps,dwc-ahci
>           - snps,spear-ahci
> 
> this passes the dt-binding_check (examples) for me, but i guess there are many more compatibles defined with the generic.
> 
> dtbs_check found some more like
> 
> 'brcm,iproc-ahci'
> 'marvell,armada-8k-ahci'
> and many more
> 
> it looks like these are also checked in the enum, so the yaml itself look correct, but needs some kind of wildcard instead of the "marvell,berlin2q-achi" as second for the generic-ahci compatible
> 
> regards Frank


Best regards,
Krzysztof



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