[RFC PATCH v3 2/5] pinctrl: add dt binding support for pinmux mappings

Shawn Guo shawn.guo at linaro.org
Fri Jan 13 08:35:54 EST 2012


On Fri, Jan 13, 2012 at 08:07:35AM +0000, Dong Aisheng-B29396 wrote:
> > > But, one thought on doing this in pinmux_get(). I'd simply implement a
> > > Function that read a DT node's pinmux property/node, converted it to a
> > > pinmux mapping table, and registered it with the pinctrl core. Then,
> > > pinmux_get() could simply call this before doing anything else at all.
> > > I don't think you'd need to modify how pinmux_get() worked at all.
> > >
> > This sounds like a pretty good idea to me.
> > 
> This does not fix the inconsistency issue.
> Additionally as I said before, for better support dynamically register pinmux
> Map, it looks we'd better change the pinmux_maps array to a list.
> However this is for dt case.
> But for non-dt case, the static array is just ok.
> So there's conflict.
> Not sure if any better idea to fix this.
> 
My guess is that Linus.W did not get any chance to take the dt case
into account with his first design of pinctrl core.  But I guess he
is open to any reasonable change to pinctrl core for dt adoption.
Linus?

-- 
Regards,
Shawn



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