On Mon, Aug 03, 2015 at 02:22:13PM +1000, Julian Calaby wrote: > >> Is the code that uses this smart enough to sensibly switch between two > >> operating points with the same frequency and different voltages? If > >> so, maybe just add a 144MHz @ 1.0v operating point? > > > > You could try. Though I really don't see much to gain here. > > From what I recall, lower frequency = less power usage, though my > experience is from x86 laptops, not ARM SoCs and I'm sure I'm missing > a lot of details. This is the sort of thing that requires thorough > testing on a dev board. Not on *a* dev board. On virtually all the A20 SoCs ever produced. If you have a setting that works better for *your* SoC, fine, patch your DT, but that's not going to be a default if it's outside of the SoC operating range. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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