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SubjectRe: [PATCH v3 3/6] dt-bindings: mfd: da9062: add regulator voltage selection documentation
On 19-12-12 16:51, Mark Brown wrote:
> On Thu, Dec 12, 2019 at 05:21:53PM +0100, Marco Felsch wrote:
>
> > "... what's driving the input ..":
> > Sorry I didn't get you here. What did you mean? The input is driven by
> > the host. This can be any gpio line and in my case it is a gpio line
> > driven by the soc-hw during a suspend operation.
>
> Something needs to say what that thing is, especially if it's runtime
> controllable. In your case from the point of view of software there is
> actually no enable control so we shouldn't be providing an enable
> operation to the framework.

The enabel control signal is always available, please check [1] table
63. There is a mux in front of the enable pin so:

+-------------
Seq. |\ | Regulator
GPI1 | \ |
GPI2 | | -- > Enable
GPI3 | / |
|/ .
.
.

Adam please correct me if this is wrong.

[1] https://www.dialog-semiconductor.com/sites/default/files/da9062_datasheet_3v6.pdf

Regards,
Marco

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