next-generation PMU discussion

[Werner Almesberger]

Andy Green wrote:
> I guess if we go this way we have to examine the 50633 defaults closely
> to see what the other options are if any.

STBYCTL1 and STBYCTL2 don't enable regulators in Standby mode.
So we need some other way to get from NoPower into Standby, or
give the MPU its own independent regulator.

That's why being able to hook it up to battery/USB power would
have been nice. But yes, we'd burn a bit of power.

- Werner