On Fri, Jul 24, 2015 at 05:58:34AM -0700, m.silentcr...@gmail.com wrote: > > So while using CONFIG_REGULATOR_AXP20X=y will bring working > > cpufreq support to the cubietruck, shouldn't adding these lines to > > the device trees of the other 5 A20 devices enable CPU voltage > > scaling there? > > Basically yes. The point that Chen-Yu made is that he and other > developers don't have all boards available to verify that all of > these boards use the same layout for their wiring.
The hard part is that there's not a single reference design there. There's some pattern, but it's not at all something that can be made generic, because to a few exceptions, no one uses the same regulator to power the same thing, and with the same constraints (that directly depend on the stuff that you have connected on the other end of the regulator). So any mechanical change is not something that can be done. Especially for something that might blow up your board. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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