On Tue, Jul 28, 2015 at 11:02:16AM +0200, Timo Sigurdsson wrote: > Hi, > > Chen-Yu Tsai schrieb am 27.07.2015 15:14: > >> ChenYu (in the CC), since you did most of the original work here, do > >> you know why we have an op at 0.9 volt, but none of our boards allow the > >> voltage to go that low in the regulator settings ? > > > > I'm on vacation now, so apologies for the bad formatting. > > > > The OPPs are from a common subset > > of the settings from the fex files available > > at the time. Some fex files actually set > > min and max voltage thus eliminating > > the highest and lowest OPPs. > > > > At least that is how Maxime and I > > interpreted them. > > IMHO for a common maximum opp that's a good approach. But for the lowest > frequency setting, it would seem more logical to me, to raise the voltage > to a point where all boards will run fine with them, unless those boards > cannot handle the frequency regardless of the higher voltage. Agreed. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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