[RFC] pinctrl: generic: Add DT bindings

[Linus Walleij]

On Sun, Jun 16, 2013 at 1:52 AM, Laurent Pinchart
<laurent.pinchart at ideasonboard.com> wrote:
> Hi Linus,
> On Sunday 16 June 2013 01:51:32 Linus Walleij wrote:

>> As dicussed earlier this was designed for systems where
>> you could set the pull-up resistance, like
>>
>> bias-pull-up = <600000>;
>>
>> would give 600kOhm pull up.
>>
>> In most existing systems that is silly, as they can't specify it, so they
>> should be able to do just:
>>
>> bias-pull-up;
>>
>> as that is all they can do. If we have to cut one way, we should cut the
>> former until such a system appears.
>
> I'm fine with bias-pull-up = <1>; vs bias-pull-up;. What bothers me a bit is
> bias-pull-up = <0>; vs bias-disable;.

Oh yeah OK you got a point there for sure.

Setting bias-pull-up = <0>; would be equal to short-circuit
so it does not make any kind of sense.

Let's keep an eye on this.

Yours,
Linus Walleij