Re: [PATCH v2 11/14] dt-bindings: mfd: pm8008: rework binding

[Johan Hovold]

On Wed, Jun 05, 2024 at 11:43:16AM +0300, Dmitry Baryshkov wrote:
> On Wed, May 29, 2024 at 06:29:55PM +0200, Johan Hovold wrote:
> > Rework the pm8008 binding by dropping internal details like register
> > offsets and interrupts and by adding the missing regulator and
> > temperature alarm properties.
> > 
> > Note that child nodes are still used for pinctrl and regulator
> > configuration.
> > 
> > Also note that the pinctrl state definition will be extended later and
> > could eventually also be shared with other PMICs (e.g. by breaking out
> > bits of qcom,pmic-gpio.yaml).
> 
> Obviously we want to adapt this style of bindings for the other PMICs
> too. My main concern here are PMICs which have two kinds of controlled
> pins: GPIOs and MPPs. With the existing bindings style those are
> declared as two subdevices. What would be your suggested way to support
> MPPs with the proposed kind of bindings?

As far as I understand newer PMICs do not have MPP blocks and we do not
necessarily want to convert the existing bindings.

That said, if there is ever a need to describe two separate gpio blocks
this can, for example, be done using subnodes on those PMICs.

Johan