[MinnowBoard] GPIO pin mux state

[Kevin Shelton]

thanks, what about for a specific pin after boot?

I am trying to change the mux state of just one of the SPI pins (so
disabling SPI LPSS Support from the LPSS & SCC configuration menu
doesn't accomplish what I'm after since it changes all of the SPI
pins).

The end goal of what I'm trying to accomplish is to have the SS SPI
line inverted (more background in
https://bugzilla.yoctoproject.org/show_bug.cgi?id=7267)

On Fri, Feb 6, 2015 at 2:00 AM, Holmberg, Hans <hans.holmberg at intel.com> wrote:
>
>>Anyone know how to set a GPIO pin mux state?
>
> Yep. It's a bit obscure, but you can enable GPIOs via the LPSS configuration in the BIOS:
>
> press F5 during boot
> go to System setup > South cluster configuration > LPSS & SCC configuration
> Scroll down and disable the function that is set as primary configuration for the PIN you wish to use as a GPIO.
>
> See http://elinux.org/Minnowboard:MinnowMax#Layout
> Example: disabling PWM1 will let you use PIN 22 as a GPIO.
>
> Best regards,
> Hans
> _______________________________________________
> elinux-MinnowBoard mailing list
> elinux-MinnowBoard at lists.elinux.org
> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard