Re: [PATCH 02/16] dt-bindings: spi: Add bcmbca-hsspi controller support

From: Krzysztof Kozlowski
Date: Wed Jan 11 2023 - 04:02:20 EST


On 11/01/2023 01:59, William Zhang wrote:
>>>> You need to add constraints for reg-names, same way as for reg.
>>>> Disallowing the reg-names also could work, but there won't be benefit in
>>>> it. Better to have uniform DTS.
>>>>
>>> I agree it is better to have the uniform DTS but the situation here is
>>> that the brcm,bcm6328-hsspi does not require reg name since there is
>>> only one register needed and it was already used in many chip dts for
>>> long time. If I enforce it to have the corresponding reg name, that
>>
>> No one told you to enforce to have a reg-names.
>>
>>> could potentially break the compatibility of those old device if the
>>> driver change to use reg name, right?
>>
>> How compatibility is broken by some optional, unrelated property?
>>
> I think I misunderstand what you said. You basically want the reg-name
> minItem/maxItem constraints for brcm,bcm6328-hsspi compatible as well so
> it is consistent for all the compatibles?

Yes.

Best regards,
Krzysztof