[REPOST RFC PATCH 0/3] New "gpio-poweroff" driver to turn off platform devices with GPIOs

[Mark Brown]

On Tue, Dec 13, 2011 at 02:44:48PM -0600, Moffett, Kyle D wrote:

> I looked at it a bit when I was generalizing my code, but it seemed
> dramatically more complicated than I needed, and I couldn't see any
> reasonable way to hook it from the machine_poweroff() code.

Some ST platform had to do odd stuff with regulators to power off, it
made a platform device representing the odd poweroff code.

> There's also the fact that I was looking for a pure-device-tree type
> of driver and the regulator framework does not seem to support the
> standard OF-platform probe system.

The regulator API in -next has DT bindings.