[MinnowBoard] documentation for accessing the GPIO on MinnowboardMax?

jezra jezra at jezra.net
Fri Aug 8 18:16:53 UTC 2014


On Fri, 08 Aug 2014 10:54:11 -0700
Darren Hart <dvhart at linux.intel.com> wrote:

> On 8/8/14, 10:39, "jezra" <jezra at jezra.net> wrote:
> 
> >Does anyone have documentation or know where I can find documentation
> >for accessing the GPIO in the filesystem on a MinnowboardMax?
> >
> >I don't see GPIO in /sys/class on my system which is a fairly vanilla
> >Debian 8 install. Do I need a custom kernel?
> 
> You need a recent kernel to get support for the baytrail SoC. Most of
> what you need is available in the 3.10-LTSI kernel, but 3.16 is a
> better choice. PCI support is much improved in later kernels.
> 
> The Yocto Project 3.14 kernel has good support bia the
> intel-corei7-64 BSP.
> 
> For more information on distros, there is this page:
> 
> http://elinux.org/Minnowboard:MinnowMaxDistros
> 
> 
> However, if we don't have it up on the wiki someplace already, we
> should add something about a minimal kernel version. Unfortunately,
> without listing 10s of qualifiers, that kernel will be 3.16.
> 

Thank you Darren.

I had failed to perform the "final steps" for a debian install, which
mostly entrails running `apt-get dist-upgrade` (although it is just
referred to as 'dist-upgrade' in the doc). Hopefully, I'll have a
3.14 system soon.


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