Reg pinmux driver for OMAP based SoC- AM335X
Mohammed, Afzal
afzal at ti.com
Wed Feb 1 06:00:05 EST 2012
Hi Tony,
On Tue, Jan 31, 2012 at 22:35:11, Tony Lindgren wrote:
> The plan is to deprecate the existing arch/arm/*omap*/*mux* code,
> and cut it down to minimum. And then add DT only mux support that should
> work for at least omap2+. That should work for am335x too.
>
> There's currently some discussion going on regarding the pinmux device
> tree binding and how dynamic mux states should be handled. But I'd
> assume we'll have basic support available very soon.
>
> The driver I'm working leaves all the data out of kernel, and the driver
> just knows how to handle a pinmux register instances. Then debugging
> tools can be done in userspace via debugfs to display more detailed
> SoC specific information.
>
> So it might be worth waiting just a little bit longer. If you have
> resources to spend on the pinmuxing, then creating some userspace tool
> to display SoC specific information would be nice :) For the userspace
> tool, we can use the data in arch/arm/mach-omap2/mux*2*.[ch].
Thank you for the detailed reply.
I will wait for it and willing to help you in its testing.
I have been tasked on getting AM335X supported well in mainline,
and will move to other aspects of it while waiting.
Regards
Afzal
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