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 205d8c6658SDmitry Eremin-Solenikovconfig CPU_FREQ_MAPLE 215d8c6658SDmitry Eremin-Solenikov bool "Support for Maple 970FX Evaluation Board" 225d8c6658SDmitry Eremin-Solenikov depends on PPC_MAPLE 235d8c6658SDmitry Eremin-Solenikov help 245d8c6658SDmitry Eremin-Solenikov This adds support for frequency switching on Maple 970FX 255d8c6658SDmitry Eremin-Solenikov Evaluation Board and compatible boards (IBM JS2x blades). 26defa4c73STang Yuantian 277fb6a53dSViresh Kumarconfig CPU_FREQ_PMAC 287fb6a53dSViresh Kumar bool "Support for Apple PowerBooks" 297fb6a53dSViresh Kumar depends on ADB_PMU && PPC32 307fb6a53dSViresh Kumar help 317fb6a53dSViresh Kumar This adds support for frequency switching on Apple PowerBooks, 327fb6a53dSViresh Kumar this currently includes some models of iBook & Titanium 337fb6a53dSViresh Kumar PowerBook. 347fb6a53dSViresh Kumar 357fb6a53dSViresh Kumarconfig CPU_FREQ_PMAC64 367fb6a53dSViresh Kumar bool "Support for some Apple G5s" 377fb6a53dSViresh Kumar depends on PPC_PMAC && PPC64 387fb6a53dSViresh Kumar help 397fb6a53dSViresh Kumar This adds support for frequency switching on Apple iMac G5, 407fb6a53dSViresh Kumar and some of the more recent desktop G5 machines as well. 417fb6a53dSViresh Kumar 427fb6a53dSViresh Kumarconfig PPC_PASEMI_CPUFREQ 437fb6a53dSViresh Kumar bool "Support for PA Semi PWRficient" 447fb6a53dSViresh Kumar depends on PPC_PASEMI 457fb6a53dSViresh Kumar default y 467fb6a53dSViresh Kumar help 477fb6a53dSViresh Kumar This adds the support for frequency switching on PA Semi 487fb6a53dSViresh Kumar PWRficient processors. 49b3d627a5SVaidyanathan Srinivasan 50b3d627a5SVaidyanathan Srinivasanconfig POWERNV_CPUFREQ 51b3d627a5SVaidyanathan Srinivasan tristate "CPU frequency scaling for IBM POWERNV platform" 52b3d627a5SVaidyanathan Srinivasan depends on PPC_POWERNV 53b3d627a5SVaidyanathan Srinivasan default y 54b3d627a5SVaidyanathan Srinivasan help 55b3d627a5SVaidyanathan Srinivasan This adds support for CPU frequency switching on IBM POWERNV 56b3d627a5SVaidyanathan Srinivasan platform 57