This adds the cpufreq driver for Cell BE processors. For details, take a look at <file:Documentation/cpu-freq/>. If you don't have such processor, say N
Select this, if you want to use the PMI interface to switch frequencies. Using PMI, the processor will not only be able to run at lower speed, but also at lower core voltage.
This adds support for frequency switching on Maple 970FX Evaluation Board and compatible boards (IBM JS2x blades).
This adds support for frequency switching on Apple PowerBooks, this currently includes some models of iBook & Titanium PowerBook.
This adds support for frequency switching on Apple iMac G5, and some of the more recent desktop G5 machines as well.
This adds the support for frequency switching on PA Semi PWRficient processors.
This adds support for CPU frequency switching on IBM POWERNV platform