1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyunconfig CPU_FREQ_CBE 3*4882a593Smuzhiyun tristate "CBE frequency scaling" 4*4882a593Smuzhiyun depends on CBE_RAS && PPC_CELL 5*4882a593Smuzhiyun default m 6*4882a593Smuzhiyun help 7*4882a593Smuzhiyun This adds the cpufreq driver for Cell BE processors. 8*4882a593Smuzhiyun For details, take a look at <file:Documentation/cpu-freq/>. 9*4882a593Smuzhiyun If you don't have such processor, say N 10*4882a593Smuzhiyun 11*4882a593Smuzhiyunconfig CPU_FREQ_CBE_PMI 12*4882a593Smuzhiyun bool "CBE frequency scaling using PMI interface" 13*4882a593Smuzhiyun depends on CPU_FREQ_CBE 14*4882a593Smuzhiyun default n 15*4882a593Smuzhiyun help 16*4882a593Smuzhiyun Select this, if you want to use the PMI interface to switch 17*4882a593Smuzhiyun frequencies. Using PMI, the processor will not only be able to run at 18*4882a593Smuzhiyun lower speed, but also at lower core voltage. 19*4882a593Smuzhiyun 20*4882a593Smuzhiyunconfig CPU_FREQ_MAPLE 21*4882a593Smuzhiyun bool "Support for Maple 970FX Evaluation Board" 22*4882a593Smuzhiyun depends on PPC_MAPLE 23*4882a593Smuzhiyun help 24*4882a593Smuzhiyun This adds support for frequency switching on Maple 970FX 25*4882a593Smuzhiyun Evaluation Board and compatible boards (IBM JS2x blades). 26*4882a593Smuzhiyun 27*4882a593Smuzhiyunconfig CPU_FREQ_PMAC 28*4882a593Smuzhiyun bool "Support for Apple PowerBooks" 29*4882a593Smuzhiyun depends on ADB_PMU && PPC32 30*4882a593Smuzhiyun help 31*4882a593Smuzhiyun This adds support for frequency switching on Apple PowerBooks, 32*4882a593Smuzhiyun this currently includes some models of iBook & Titanium 33*4882a593Smuzhiyun PowerBook. 34*4882a593Smuzhiyun 35*4882a593Smuzhiyunconfig CPU_FREQ_PMAC64 36*4882a593Smuzhiyun bool "Support for some Apple G5s" 37*4882a593Smuzhiyun depends on PPC_PMAC && PPC64 38*4882a593Smuzhiyun help 39*4882a593Smuzhiyun This adds support for frequency switching on Apple iMac G5, 40*4882a593Smuzhiyun and some of the more recent desktop G5 machines as well. 41*4882a593Smuzhiyun 42*4882a593Smuzhiyunconfig PPC_PASEMI_CPUFREQ 43*4882a593Smuzhiyun bool "Support for PA Semi PWRficient" 44*4882a593Smuzhiyun depends on PPC_PASEMI 45*4882a593Smuzhiyun default y 46*4882a593Smuzhiyun help 47*4882a593Smuzhiyun This adds the support for frequency switching on PA Semi 48*4882a593Smuzhiyun PWRficient processors. 49*4882a593Smuzhiyun 50*4882a593Smuzhiyunconfig POWERNV_CPUFREQ 51*4882a593Smuzhiyun tristate "CPU frequency scaling for IBM POWERNV platform" 52*4882a593Smuzhiyun depends on PPC_POWERNV 53*4882a593Smuzhiyun default y 54*4882a593Smuzhiyun help 55*4882a593Smuzhiyun This adds support for CPU frequency switching on IBM POWERNV 56*4882a593Smuzhiyun platform 57