[PATCH] dts: cubox: Map gpio-keys and pps-gpio to gpio3 8

On Mon, Mar 16, 2015 at 02:36:41PM -0600, George Joseph wrote:

The Cubox has a recessed button between the HDMI and RJ-45 connectors
that wasn't mapped in the device tree.  Since the button is normally
open and there's no external pull up/down, that pad (EIM_DA8) can be
used for almost anything so I've mapped it to gpio-keys BTN_0 and
pps-gpio.  Whichever driver claims it first wins.  If both drivers
are build as modules, you can even switch between them at run time
and the pinmux will adjust the pin configuration as required.
If neither driver claims the gpio, it's still available in the normal
gpio sysfs.

I wonder why we want to have the PPS support in mainline, given that
you would need to solder to the board to make use of that.  I can see
the point of the gpio-keys going into mainline, but not the PPS bit.
That's more like a local hack.

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