Re: [PATCH 1/2] pinmux: Add TB10x pinmux driver

From: Linus Walleij
Date: Sun Jun 16 2013 - 07:11:28 EST

On Tue, Jun 11, 2013 at 9:27 AM, Christian Ruppert
<christian.ruppert@xxxxxxxxxx> wrote:
> On Fri, Jun 07, 2013 at 01:18:35PM -0600, Stephen Warren wrote:

>> However, then the correlation between these pretend pins (i.e. really
>> the groups) and GPIOs won't work, because each "pin" is really 4 pins,
>> and hence 4 GPIOs, and hence you won't be able to gpio_get() more than 1
>> GPIO per pin group, I think.
> I agree: Unluckily, pinctrl-single doesn't seem to be what we are looking
> for.

I agree on this conclusion.

> We already have a draft for a native pinctrl driver (see original post)
> but there was some disagreement about exposing kernel internal pin
> numbering to device tree users.

But that is an orthogonal issue I believe.

Linus Walleij
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