GPIO driver for Intel Atom SoC

[Ian Lepore]

On Sun, 2016-06-12 at 10:48 -0700, Lundberg, Johannes wrote:
> Thanks Adrian
> 
> Looks like this is something I can base the new driver on.
> Hopefully with this we can get eMMC support for Intel SDHCI
> controller.
> 

Why do we need gpio support for emmc/sdhci?  Is there a power-enable
pin that has to be asserted or something?  I don't think we have an API
that lets an arbitrary driver which is not a child of the gpiobus
manipulate pins, outside of the FDT world.

-- Ian