[Voyage-linux] GPIO on Soekris 4801-type systems

[Kim-man 'Punky' TSE]

Hi Michael,

I noted Jim Cromie's patch already, and will include in the next kernel 
release.

Unfortunately, I am not very interested in GPIO.  I won't be testing 
it.  But I think some other people working on it. (Solomon and Bill?)  
But they are on WRAP platform.

Regards,
Punky

mgrollman wrote:
> I currently use the Voyage 2.0 on a Soekris 4801, and it works very
> well. Thanks, Voyage team!   I would like to begin to use the GPIO
> inherent on the board.  I have found on this list a fair amount of data
> on doing stuff with GPIO and WRAP, but not much on GPIO and Soekris.  On
> the Soekris board, I was able to find information here:
> http://dev.gentoo.org/~brix/papers/net4801/net4801.html#sect-kernel  and
> here: http://ryanc.org/index.php?s=51, and in other spots as well, but
> these sites tended to focus on BSD or Gentoo or on a generic
> implementation, not on what the Voyage team was up to just now.
>
> Couple of questions.
>
> 1. Do any of the stock (or custom) Voyage kernels have the appropriate
> patches in places for GPIO on the Soekris (Jim Cromie has written what
> seems to well known discussed
> here:http://article.gmane.org/gmane.linux.kernel/416341, but there
> appear to be several out there) ?  I note on boot that my 2.6.15  kernel
> says "scx200: GPIO base 0x6100" but I am not sure what if any GPIO
> driver this is, and if it is indeed fully enabled?
>
> 2. If so, which kernel(s) to choose, assuming 2.5.15 or better is 
> desired?
>
> 3. If not, which is the best patch set to use and how best to apply it
> to one of the current voyage kernels?  Any gotchas?
>
> 4. Are these patches needed to make use of the lmsensors module on the
> Soekris, or support here as far as voyage goes limited to WRAP hardware?
>
> 5. ... and what other advice can anyone offer from userland for
> combining Voyage, Soekris, and GPIO?
>
> Any advice is greatly appreciated.
>
> Cheers,
>
> - Michael
>
>
>
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-- 
Regards,
Punky

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