^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) config CPU_FREQ_CBE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) tristate "CBE frequency scaling"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) depends on CBE_RAS && PPC_CELL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) default m
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) This adds the cpufreq driver for Cell BE processors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) For details, take a look at <file:Documentation/cpu-freq/>.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) If you don't have such processor, say N
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) config CPU_FREQ_CBE_PMI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) bool "CBE frequency scaling using PMI interface"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) depends on CPU_FREQ_CBE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) default n
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) Select this, if you want to use the PMI interface to switch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) frequencies. Using PMI, the processor will not only be able to run at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) lower speed, but also at lower core voltage.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) config CPU_FREQ_MAPLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) bool "Support for Maple 970FX Evaluation Board"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) depends on PPC_MAPLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) This adds support for frequency switching on Maple 970FX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) Evaluation Board and compatible boards (IBM JS2x blades).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) config CPU_FREQ_PMAC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) bool "Support for Apple PowerBooks"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) depends on ADB_PMU && PPC32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) This adds support for frequency switching on Apple PowerBooks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) this currently includes some models of iBook & Titanium
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) PowerBook.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) config CPU_FREQ_PMAC64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) bool "Support for some Apple G5s"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) depends on PPC_PMAC && PPC64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) This adds support for frequency switching on Apple iMac G5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) and some of the more recent desktop G5 machines as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) config PPC_PASEMI_CPUFREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) bool "Support for PA Semi PWRficient"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) depends on PPC_PASEMI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) This adds the support for frequency switching on PA Semi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) PWRficient processors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) config POWERNV_CPUFREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) tristate "CPU frequency scaling for IBM POWERNV platform"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) depends on PPC_POWERNV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) This adds support for CPU frequency switching on IBM POWERNV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) platform