Re: [PATCH 2/3] dt-bindings: usb: atmel: Add Microchip LAN966x compatible string

From: Krzysztof Kozlowski
Date: Fri May 20 2022 - 08:50:40 EST


On 20/05/2022 14:21, Herve Codina wrote:
>>> I think it makes sense to keep 'microchip,lan966x-udc' for the USB
>>> device controller (same controller on LAN9662 and LAN9668) and so
>>> keeping the same rules as for other common parts.
>>
>> Having wildcard was rather a mistake and we already started correcting
>> it, so keeping the "mistake" neither gives you consistency, nor
>> correctness...
>>
>
> I think that the "family" compatible should be present.
> This one allows to define the common parts in the common
> .dtsi file (lan966x.dtsi in our case).
>
> What do you think about:
> - microchip,lan9662-udc
> - microchip,lan9668-udc
> - microchip,lan966-udc <-- Family
>
> lan966 is defined as the family compatible string since (1) in
> bindings/arm/atmel-at91.yaml and in Documentation/arm/microchip.rst
>

You can add some family compatible, if it makes sense. I don't get why
do you mention it - we did not discuss family names, but using
wildcards... Just please do not add wildcards.

Best regards,
Krzysztof