Re: [PATCH] gpio/serial: revert "linux,first-pin" property handling

[Jan Kiszka <jan.kiszka@xxxxxxxxxxx>]

On 2017-07-12 13:39, Linus Walleij wrote:
> On Wed, Jul 12, 2017 at 1:30 PM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote:
>> On 2017-07-12 11:30, Linus Walleij wrote:
> 
>>> What you are talking about should be hardware-and-vendor specific
>>> info and prefixed "exar,*".
>>
>> "exar," or rather "gpio-exar,", like in [1]?
> 
> HW-specific DT bindings have this form: "vendor,foo".
> 
> So "exar,gpio-first-exported-pin" is some kind of overstating of the
> fact, but correct.

OK.

> 
> The bindings (put with the rest of the exar DT bindings if there
> are such somewhere in Documentation/devicetree/bindings/* else
> in a new file) should make it very clear that this is a
> hardware-specific thing telling us which hardware pin is the
> first offset to be used for GPIO.

This binding will lack any compatible value, so I'm not yet sure how to
name/document things properly. Is there a precedence for such a case?
Well, I can add some gpio-exar.txt and just put those two properties in it.

Jan

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