Re: [PATCH 1/2] dt-bindings: iio: health: maxim,max30102: add max30101

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On 3/24/24 14:46, Jonathan Cameron wrote:
> On Thu, 21 Mar 2024 19:33:48 +0100
> Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx> wrote:
> 
>> The Maxim max30101 irs the replacement for the max30105, which is no
>> longer recommended for future designs.
>>
>> The max30101 does not require new properties, and it can be described
>> with the existing ones for the max30105.
>>
>> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx>
> 
> Given there were no driver changes, is it fully compatible?
> i.e. Should we have a fallback compatible here?
> 
> properties:
>   compatible:
>     oneOf:
>        - items:
>            - const: maxim,max30101
>            - const: maxim,max30105
>        - enum:
>            - maxim,max30102
>            - maxim,max30105
> 
> So that a DTS file could use
> compatible = "maxim,max30101", "maxim,max30105"
> and work with older kernels as well as new ones that understand the new ID?
> 

According to the manufacturer, it is fully compatible, and apart from
the pinout, I could not find any difference beyond the device description.

I like the idea of having a fallback compatible for older kernels, so I
will add it to v2 as you suggested.

Thanks and best regards,
Javier Carrasco




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