Re: [PATCH v3 3/9] dt-bindings: regulator: Document MediaTek MT6392 PMIC Regulators

[Krzysztof Kozlowski <krzk@kernel.org>]

On 19/03/2026 05:53, Chen-Yu Tsai wrote:
>>> I understood this is that electrical constraints are a matter of the
>>> actual board layout, so if adjustments are needed they have to be in
>>> the board dts. But you also specify "If fixed", so maybe there's an
>>> exception to this rule when the constraint is "absolute" and boards
>>> can't actually set a different value?
>>
>> Now I am confused. You wrote - LDOs with fixed 1.8V output - so board
>> cannot set it to 2.0V for example. They are affixed. This regulator
>> CANNOT physically produce anything else.
> 
> As you said, it cannot physically produce anything else. IMO it doesn't
> even need voltage constraints as it is already implied by the model and
> regulator output, in which case I would actually recommend rejecting
> min/max voltage being added to this node.

But the text is not helping and not doing much good here. So either this
should be schema or nothing. I agree though that having here no
constraints in final DTS is valid.


Best regards,
Krzysztof