[RFC] ARM: at91: gpio add mux check

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Tue Oct 25 07:09:36 EDT 2011


On 10:39 Tue 25 Oct     , Linus Walleij wrote:
> On Mon, Oct 24, 2011 at 3:13 PM, Jean-Christophe PLAGNIOL-VILLARD
> <plagnioj at jcrosoft.com> wrote:
> 
> > Hi,
> >
> >        one of the the issue is what happened it the bootloader miss
> >        configured a pin a periph A or B?
> >
> >        do we need to keep the tracking of it in the pinmux?
> 
> Is there an AT91 pinmux driver? If yes, I guess it's something custom and I
> have only looked briefly at these. Generally I would recommend modeling
> any muxing using the pinctrl subsystem but if and only if Torvalds decide to
> pull it in.
Yes I start to implement one

but I've need to hardcode in the driver the pull, multidrive per function

I'll send it soon

Best Regards,
J.



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