|  | # SPDX-License-Identifier: GPL-2.0-only | 
|  | config CPU_FREQ_CBE | 
|  | tristate "CBE frequency scaling" | 
|  | depends on CBE_RAS && PPC_CELL | 
|  | default m | 
|  | help | 
|  | 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 | 
|  |  | 
|  | config CPU_FREQ_CBE_PMI | 
|  | bool "CBE frequency scaling using PMI interface" | 
|  | depends on CPU_FREQ_CBE | 
|  | default n | 
|  | help | 
|  | 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. | 
|  |  | 
|  | config CPU_FREQ_MAPLE | 
|  | bool "Support for Maple 970FX Evaluation Board" | 
|  | depends on PPC_MAPLE | 
|  | help | 
|  | This adds support for frequency switching on Maple 970FX | 
|  | Evaluation Board and compatible boards (IBM JS2x blades). | 
|  |  | 
|  | config CPU_FREQ_PMAC | 
|  | bool "Support for Apple PowerBooks" | 
|  | depends on ADB_PMU && PPC32 | 
|  | help | 
|  | This adds support for frequency switching on Apple PowerBooks, | 
|  | this currently includes some models of iBook & Titanium | 
|  | PowerBook. | 
|  |  | 
|  | config CPU_FREQ_PMAC64 | 
|  | bool "Support for some Apple G5s" | 
|  | depends on PPC_PMAC && PPC64 | 
|  | help | 
|  | This adds support for frequency switching on Apple iMac G5, | 
|  | and some of the more recent desktop G5 machines as well. | 
|  |  | 
|  | config PPC_PASEMI_CPUFREQ | 
|  | bool "Support for PA Semi PWRficient" | 
|  | depends on PPC_PASEMI | 
|  | default y | 
|  | help | 
|  | This adds the support for frequency switching on PA Semi | 
|  | PWRficient processors. | 
|  |  | 
|  | config POWERNV_CPUFREQ | 
|  | tristate "CPU frequency scaling for IBM POWERNV platform" | 
|  | depends on PPC_POWERNV | 
|  | default y | 
|  | help | 
|  | This adds support for CPU frequency switching on IBM POWERNV | 
|  | platform |