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SubjectRe: [PATCH V2 9/9] ARM: dts: stm32: add initial support of stm32mp157c eval board
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On 12/21/2017 10:18 AM, Linus Walleij wrote:
> On Wed, Dec 20, 2017 at 10:19 AM, Alexandre Torgue
> <alexandre.torgue@st.com> 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
>

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