Re: [PATCH v6 7/7] gpio: gpio-by-pinctrl: add pinctrl based generic GPIO driver

[Linus Walleij]

On Tue, Apr 7, 2026 at 12:21 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:

> > +config GPIO_BY_PINCTRL
> > +       tristate "GPIO support based on a pure pin control backend"
> > +       depends on GPIOLIB
>
> Should this depend on ARM_SCMI *|| COMPILE_TEST)?  The driver only
> matches against the "scmi-pinctrl-gpio" compatible value.
> Or do you envision a use case without SCMI?

It can be used without SCMI but SCMI is the only current user.

I imagine any firmware protocol (e.g. rpmsg, heh) implementing
a pinctrl driver could get GPIO "for free" using this.

Yours,
Linus Walleij