[PATCH 2/2] dt-bindings: document gpio-mt7621 bindings

[Rob Herring]

On Thu, Jun 14, 2018 at 8:14 AM, Linus Walleij <linus.walleij at linaro.org> wrote:
> On Wed, Jun 13, 2018 at 9:28 PM, Rob Herring <robh at kernel.org> wrote:
>
>>> "Some system-on-chips (SoCs) use the concept of GPIO banks. ...
>>> Usually each such bank is
>>> exposed in the device tree as an individual gpio-controller node. ..."
>>
>> This should be conditioned on being able to divide up the registers by
>> bank which seems like you can't. Or there's the case like the DW GPIO
>> block and the number of banks is configurable.
>
> If it is possible to create one device per bank I usually prefer that
> approach, as it also (often) makes it possible to use the
> generic GPIO library, i.e. the hardware abstraction start to
> share more with other GPIO controllers.

But that should be possible whether there are banks in DT or not, right?

Rob