TI AM335x ADC support (on BeagleBone Black)

[Luiz Otavio O Souza]

On 6 March 2014 07:45, Sulev-Madis Silber (ketas) wrote:
> Hello.
>
> I'm trying to figure out how hard would it be to get ADC working on my BBB.
>
> Most of things seem to work (except some content on eMMC seemed to
> interfere with eMMC / USB - works with clean eMMC). Also 11-CURRENT (at
> least r262309) is stable on it while running my PERL-POE daemon [1]
>
> While I can fix some GPIO "just I/O" related things (like some pins seem
> to be "lost"), I don't feel comfortable with writing device drivers
> right now. I read almost all the AM335x related IO code and then TI ADC
> driver code for Linux but I don't see myself getting anything done here
> alone (or it takes years). Maybe someone else works on those things
> already? I can test code to verify correct operation of ADC.
>
> Also, should watchdog work? It's in kernel (running "BEAGLEBONE" now)
> and there is /dev/fido but that can't be used?
>
>
> [1] http://ketas.si.pri.ee/bbb-poe-daemon/
>
>
> --
> ketas

Hello Ketas,

I've started read the ADC chapter on TRM a couple of times but i'm yet
to finish it.

It is on my plans write a driver for the ADC unless someone beat me here.

Looks like there is no watchdog driver for am335x, another good chance
for practice a little bit.

Cheers,
Luiz