1# SPDX-License-Identifier: GPL-2.0-only 2config CPU_FREQ_CBE 3 tristate "CBE frequency scaling" 4 depends on CBE_RAS && PPC_CELL 5 default m 6 help 7 This adds the cpufreq driver for Cell BE processors. 8 For details, take a look at <file:Documentation/cpu-freq/>. 9 If you don't have such processor, say N 10 11config CPU_FREQ_CBE_PMI 12 bool "CBE frequency scaling using PMI interface" 13 depends on CPU_FREQ_CBE 14 default n 15 help 16 Select this, if you want to use the PMI interface to switch 17 frequencies. Using PMI, the processor will not only be able to run at 18 lower speed, but also at lower core voltage. 19 20config CPU_FREQ_PMAC 21 bool "Support for Apple PowerBooks" 22 depends on ADB_PMU && PPC32 23 help 24 This adds support for frequency switching on Apple PowerBooks, 25 this currently includes some models of iBook & Titanium 26 PowerBook. 27 28config CPU_FREQ_PMAC64 29 bool "Support for some Apple G5s" 30 depends on PPC_PMAC && PPC64 31 help 32 This adds support for frequency switching on Apple iMac G5, 33 and some of the more recent desktop G5 machines as well. 34 35config PPC_PASEMI_CPUFREQ 36 bool "Support for PA Semi PWRficient" 37 depends on PPC_PASEMI 38 default y 39 help 40 This adds the support for frequency switching on PA Semi 41 PWRficient processors. 42 43config POWERNV_CPUFREQ 44 tristate "CPU frequency scaling for IBM POWERNV platform" 45 depends on PPC_POWERNV 46 default y 47 help 48 This adds support for CPU frequency switching on IBM POWERNV 49 platform 50