Re: [PATCH 2/3] dt-bindings: vqmmc-ipq4019-regulator: add binding document

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On Sun, Jan 12, 2020 at 12:30:02PM +0100, Robert Marko wrote:

> +  regulator-min-microvolt:
> +    description: smallest voltage consumers may set
> +
> +  regulator-max-microvolt:
> +    description: largest voltage consumers may set

Why are these explicitly specified in this binding?

> +  regulator-always-on:
> +    description: boolean, regulator should never be disabled
> +    type: boolean

If it's not physically possible to disable the regulator then
specifying this property is redundant so...

> +required:
> +  - compatible
> +  - reg
> +  - regulator-name
> +  - regulator-min-microvolt
> +  - regulator-max-microvolt
> +  - regulator-always-on

...requiring it doesn't seem useful.  All the other
regulator-specific properties shouldn't be required either,
unless the user specifies a voltage range we won't allow changes
at all which should be safe and the name is purely cosmetic.

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