1*ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 26eb1c377SViresh Kumarconfig CPU_FREQ_CBE 36eb1c377SViresh Kumar tristate "CBE frequency scaling" 46eb1c377SViresh Kumar depends on CBE_RAS && PPC_CELL 56eb1c377SViresh Kumar default m 66eb1c377SViresh Kumar help 76eb1c377SViresh Kumar This adds the cpufreq driver for Cell BE processors. 86eb1c377SViresh Kumar For details, take a look at <file:Documentation/cpu-freq/>. 96eb1c377SViresh Kumar If you don't have such processor, say N 106eb1c377SViresh Kumar 116eb1c377SViresh Kumarconfig CPU_FREQ_CBE_PMI 126eb1c377SViresh Kumar bool "CBE frequency scaling using PMI interface" 136eb1c377SViresh Kumar depends on CPU_FREQ_CBE 146eb1c377SViresh Kumar default n 156eb1c377SViresh Kumar help 166eb1c377SViresh Kumar Select this, if you want to use the PMI interface to switch 176eb1c377SViresh Kumar frequencies. Using PMI, the processor will not only be able to run at 186eb1c377SViresh Kumar lower speed, but also at lower core voltage. 196eb1c377SViresh Kumar 207fb6a53dSViresh Kumarconfig CPU_FREQ_PMAC 217fb6a53dSViresh Kumar bool "Support for Apple PowerBooks" 227fb6a53dSViresh Kumar depends on ADB_PMU && PPC32 237fb6a53dSViresh Kumar help 247fb6a53dSViresh Kumar This adds support for frequency switching on Apple PowerBooks, 257fb6a53dSViresh Kumar this currently includes some models of iBook & Titanium 267fb6a53dSViresh Kumar PowerBook. 277fb6a53dSViresh Kumar 287fb6a53dSViresh Kumarconfig CPU_FREQ_PMAC64 297fb6a53dSViresh Kumar bool "Support for some Apple G5s" 307fb6a53dSViresh Kumar depends on PPC_PMAC && PPC64 317fb6a53dSViresh Kumar help 327fb6a53dSViresh Kumar This adds support for frequency switching on Apple iMac G5, 337fb6a53dSViresh Kumar and some of the more recent desktop G5 machines as well. 347fb6a53dSViresh Kumar 357fb6a53dSViresh Kumarconfig PPC_PASEMI_CPUFREQ 367fb6a53dSViresh Kumar bool "Support for PA Semi PWRficient" 377fb6a53dSViresh Kumar depends on PPC_PASEMI 387fb6a53dSViresh Kumar default y 397fb6a53dSViresh Kumar help 407fb6a53dSViresh Kumar This adds the support for frequency switching on PA Semi 417fb6a53dSViresh Kumar PWRficient processors. 42b3d627a5SVaidyanathan Srinivasan 43b3d627a5SVaidyanathan Srinivasanconfig POWERNV_CPUFREQ 44b3d627a5SVaidyanathan Srinivasan tristate "CPU frequency scaling for IBM POWERNV platform" 45b3d627a5SVaidyanathan Srinivasan depends on PPC_POWERNV 46b3d627a5SVaidyanathan Srinivasan default y 47b3d627a5SVaidyanathan Srinivasan help 48b3d627a5SVaidyanathan Srinivasan This adds support for CPU frequency switching on IBM POWERNV 49b3d627a5SVaidyanathan Srinivasan platform 50