Messages in this thread | | | Subject | Re: [linux-sunxi] [RFC] ARM: dts: sunxi: Add regulators and board-specific operating points for LeMaker BananaPi | From | "Timo Sigurdsson" <> | Date | Tue, 28 Jul 2015 11:02:16 +0200 (CEST) |
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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.
Regards,
Timo
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