Re: [PATCH V2 9/9] ARM: dts: stm32: add initial support of stm32mp157c eval board

[Alexandre Torgue]

On 12/21/2017 10:18 AM, Linus Walleij wrote:
> On Wed, Dec 20, 2017 at 10:19 AM, Alexandre Torgue
> <alexandre.torgue@xxxxxx> wrote:
> > On 12/20/2017 08:44 AM, Linus Walleij wrote:
>
> > > gpio-line-names = "foo", "bar" ...;
> > >
> > > See for example
> > > arch/arm/boot/dts/bcm2835-rpi-a.dts
> > > arch/arm/boot/dts/ste-snowball.dts
> (...)
> > It looks like useful for pins used as gpio line. Are you saying that we also
> > have to describe pins used as Alternate Function ?
>
> No. The use of the names is up to the platform maintainer (you),
> leaving a blank string for non-GPIO lines is just fine.
>
> Some platforms add the name of the actual function used by the
> line on the design, if it is not GPIO, sometimes something in
> brachets like "[i2c0-SDA]" that says what it is used for and explains
> why you can't use it for GPIO on this setup.
>
> But just leaving it blank is just as good.

Ok thanks Linus. I will take it into account. It could be useful to add 
it for MCU and future MPU boards.

Regards
Alex


> Yours,
> Linus Walleij