Aw: Re: Re: Re: [PATCH v3 1/3] dt-bindings: Convert ahci-platform DT bindings to yaml
Krzysztof Kozlowski
krzysztof.kozlowski at canonical.com
Mon Feb 28 09:06:12 PST 2022
On 28/02/2022 18:01, Frank Wunderlich wrote:
> Hi
>
>> Gesendet: Montag, 28. Februar 2022 um 15:35 Uhr
>> Von: "Krzysztof Kozlowski" <krzysztof.kozlowski at canonical.com>
>>>> Gesendet: Montag, 28. Februar 2022 um 13:38 Uhr
>>>> Von: "Krzysztof Kozlowski" <krzysztof.kozlowski at canonical.com>
>
>>>> 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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