[PATCH v3 3/6] dt-bindings: mfd: da9062: add regulator voltage selection documentation

[Mark Brown]

On Wed, Dec 11, 2019 at 06:09:18PM +0100, Marco Felsch wrote:

> so one argument more for my solution. Also we don't configure the "pad"
> to be a vsel/ena-pin. The hw-pad can only be a gpio or has an alternate
> function (WDKICK for GPIO0, Seq. SYS_EN for GPIO2, Seq. PWR_EN for GPIO4).
> Instead we tell the regulator to use _this_ GPIO e.g. for voltage
> selection so we go the other way around. My last argument why pinctrl
> isn't the correct place is that the GPIO1 can be used for
> regulator-0:vsel-in and for regulator-1:enable-in. So this pad would
> have different states which is invalid IMHO.

Note that there's two bits to my concern - one is if we should be using
gpiolib or pinctrl, the other is what's driving the input (whichever API
it's configured through) which didn't seem to be mentioned.
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