RE: [PATCH v5 2/2] dt-bindings: rtc: add max313xx RTCs

From: Tilki, Ibrahim
Date: Tue Apr 04 2023 - 06:36:22 EST


>>>>> + aux-voltage-chargeable:
>>>>> + enum: [0, 1, 2]
>>>>> + description: |
>>>>> + Enables trickle charger.
>>>>> + 0: Charger is disabled (default)
>>>>> + 1: Charger is enabled
>>>>> + 2: Charger is enabled with a diode
>>>>
>>>> 2 is not an allowed value. I asked to drop this property. It is coming
>>>> from rtc.yaml. I also do not understand "with a diode". So otherwise it
>>>> is charging with, I don't know, FET?
>>>
>>> No, what is not explained here (and maybe not unsterstood by the
>>> submitter) is that the RTC has an extra diode so, charging will always
>>> enable a diode, select a resistor and then have or not an extra diode.
>>> Figure2 of the MAX31329 datasheet is great.
>>>
>>
>> That is exactly why I had "adi,trickle-diode-enable" property in previous patch.
>> So if I can't have "adi,trickle-diode-enable" and can't add an additional value
>> to "aux-voltage-chargeable", I am not sure how to add support for the extra
>> diode at this point.
>
> Ask the person who asked you to remove adi,trickle-diode-enable...

That was the purpose.

> Anyway even if you decided to go with such advise, the solution is not
> to create binding which fails.

I didn't see that it would fail, should have checked the binding with using
the property in examples. I'm sorry about that.

Best regards,
Ibrahim