Re: [PATCH V5] gpio: New driver for LSI ZEVIO SoCs

[Stephen Warren]

On 08/29/2013 02:28 PM, Fabian Vogt wrote:
>> On 08/26/2013 12:18 PM, Fabian Vogt wrote:
>>> This driver supports the GPIO controller found in LSI ZEVIO SoCs.
>>> It has been successfully tested on a TI nspire CX calculator.

>>> diff --git a/Documentation/devicetree/bindings/gpio/gpio-zevio.txt
>>> b/Documentation/devicetree/bindings/gpio/gpio-zevio.txt

>>> +- #gpio-cells = <2>
>> This should describe what those cells are. For example perhaps:
>>
>> #gpio-cells. Must be 2. The first cell is the GPIO number. The second
>>  cell is used to specify optional parameters:
>>  - bit 0 specifies polarity (0 for normal, 1 for inverted)
>
> "Must be 2. The second cell is ... optional"?

I'm not sure what your question is, but perhaps this will answer it:

The 2nd cell isn't optional, but setting the various flags within the
cell is optional.
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