[RFC 1/4] pinctrl: define PIN_CONFIG_INPUT

[AKASHI Takahiro]

On Tue, Oct 03, 2023 at 10:49:10PM +0200, Linus Walleij wrote:
> Hi Takahiro,
> 
> On Mon, Oct 2, 2023 at 4:17???AM AKASHI Takahiro
> <takahiro.akashi at linaro.org> wrote:
> 
> > This allows for enabling SCMI pinctrl based GPIO driver to obtain
> > an input gpio pin.
> >
> > Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
> (...)
> > + * @PIN_CONFIG_INPUT: This will obtain a value on an input pin. The returned
> > + *     argument indicates the value.
> 
> We need to specify that this is the inverse of @PIN_CONFIG_OUTPUT,
> that setting a line into *input mode* requires the use of
> @PIN_CONFIG_INPUT_ENABLE, so the config can never be set
> but should return an error on set, and that the argument returned is 1 for
> logic high and 0 for logic low.

I will add more as you suggest.

-Takahiro Akashi


> Otherwise I think this is fine!
> 
> Yours,
> Linus Walleij