[PATCH 2/2] pinctrl: Add simple pinmux driver using device tree data

Tony Lindgren tony at atomide.com
Fri Feb 3 19:55:39 EST 2012

* Linus Walleij <linus.walleij at linaro.org> [120203 14:18]:
> On Fri, Feb 3, 2012 at 9:55 PM, Tony Lindgren <tony at atomide.com> wrote:
> > Add simple pinmux driver using device tree data.
> >
> > Currently this driver only works on omap2+ series of
> > processors, where there is either an 8 or 16-bit mux
> > register for each pin. Support for other similar pinmux
> > controllers could be added.
> So since it's not named pinctrl-omap I guess you intend it
> to be fully generic for simple muxes, which is nice!
> If people start ACK:ing this I will be happy with it too,
> because it's very easy to understand.

Yes the idea is that it should stay generic. I don't know
how easy or hard it would be to enhance it to support
also other type mux cases, like multiple mux registers per
pin, but I guess we'll see.
> > Note that this patch does not yet support pinconf_ops
> > or GPIO. Further, alternative mux modes are not yet
> > handled.
> Do you want to evolve the patch for these features
> or do you want to refactor it in later?

Well I'd like to test it a bit more first as I've only
done minimal testing so far. So maybe let's assume there
will be one more iteration at least.



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