On Tue, Aug 14, 2018 at 04:56:42PM -0700, Doug Anderson wrote: > IMO about the best we could hope to do would be to map "mode" from > children to parent. AKA: perhaps you could assume that if a child is > in a higher power mode that perhaps a parent should be too?
That's not going to work well - different regulators have wildly different abilities to deliver current which is the whole reason why modes are so fuzzy and hard to use in the first place. A high power load for a low noise regulator designed to feed analogue circuits might not even make it out of the lowest power LDO mode of a DCDC designed to supply the main application processors in the system or (more relevantly) provide the main step down for a bunch of LDOs.
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