Am Montag, 15. September 2014, 14:54:10 schrieb Mark Brown:
> On Sun, Sep 14, 2014 at 09:23:03PM +0200, Heiko Stuebner wrote:
> > +Optional properties:
> > +  - fairchild,suspend-regulator: regulator number to use for suspend
> > voltages +		possible values are either <0> or <1>
> 
> I'm not sure what this means - What exactly is a "regulator" in this
> context?  Are there really two separate regulators?

The fan53555 has two voltage selection registers (VSEL0 and VSEL1) which can 
be switched through a gpio ... to use one as suspend voltage.

So it's just one regulator output but can select one of two voltages.