Re: [PATCH 2/2] pinctrl: sunxi: number gpio ranges starting from 0

[Chen-Yu Tsai <wens@xxxxxxxx>]

On Fri, Jul 25, 2014 at 12:01 AM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> On Thu, Jul 24, 2014 at 09:19:18PM +0800, Chen-Yu Tsai wrote:
>> > This patch also changes the GPIO bindings for R_PIO:
>> >
>> >     gpios = <&r_pio B N flag>;
>> >
>> > Where B originally was the pinbank label (L or M) counted from A,
>> > with this patch it becomes (L or M) counted from its pinbank base (L).
>> >
>> > Thus
>> >
>> >     gpios = <&r_pio 10 11 0>; /* PL11 */
>> >
>> > becomes
>> >
>> >     gpios = <&r_pio 0 11 0>; /* PL11 */
>> >
>> > IMO this is correct, as the binding shows the bank offset and pin offset
>> > within the bank for the GPIO controller. But I'm worried it might be a
>> > bit confusing.
>>
>> I see you Acked this patch, but also in your reply to my cover letter,
>> you mentioned that you want absolute pin numbers matching the datasheets.
>> What about the GPIO DT bindings, as I explained above?
>>
>> Just double checking. Thanks.
>
> I'd like it to have the absolute numbers in sysfs, but the relative
> one in the DT. But I guess it's already what's happening, right?

That's right. Just checking. :)


ChenYu
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