TI AM335x ADC support (on BeagleBone Black)

[fabiodive]

ADC support would be a great feature!
I hope to contribute as well, Luiz, in case you write
some code I can try it, I will also try to read the documentation
to see if I can achieve some results.
Thank you
f.


On Mar 6, 2014, at 14:02 , Luiz Otavio O Souza <lists.br at gmail.com> wrote:

> 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
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