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ec8f24b7 | 1 | # SPDX-License-Identifier: GPL-2.0-only |
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2 | config CPU_FREQ_CBE |
3 | tristate "CBE frequency scaling" | |
4 | depends on CBE_RAS && PPC_CELL | |
5 | default m | |
6 | help | |
7 | This adds the cpufreq driver for Cell BE processors. | |
8 | For details, take a look at <file:Documentation/cpu-freq/>. | |
9 | If you don't have such processor, say N | |
10 | ||
11 | config CPU_FREQ_CBE_PMI | |
12 | bool "CBE frequency scaling using PMI interface" | |
13 | depends on CPU_FREQ_CBE | |
14 | default n | |
15 | help | |
16 | Select this, if you want to use the PMI interface to switch | |
17 | frequencies. Using PMI, the processor will not only be able to run at | |
18 | lower speed, but also at lower core voltage. | |
19 | ||
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20 | config CPU_FREQ_MAPLE |
21 | bool "Support for Maple 970FX Evaluation Board" | |
22 | depends on PPC_MAPLE | |
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23 | help |
24 | This adds support for frequency switching on Maple 970FX | |
25 | Evaluation Board and compatible boards (IBM JS2x blades). | |
defa4c73 | 26 | |
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27 | config CPU_FREQ_PMAC |
28 | bool "Support for Apple PowerBooks" | |
29 | depends on ADB_PMU && PPC32 | |
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30 | help |
31 | This adds support for frequency switching on Apple PowerBooks, | |
32 | this currently includes some models of iBook & Titanium | |
33 | PowerBook. | |
34 | ||
35 | config CPU_FREQ_PMAC64 | |
36 | bool "Support for some Apple G5s" | |
37 | depends on PPC_PMAC && PPC64 | |
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38 | help |
39 | This adds support for frequency switching on Apple iMac G5, | |
40 | and some of the more recent desktop G5 machines as well. | |
41 | ||
42 | config PPC_PASEMI_CPUFREQ | |
43 | bool "Support for PA Semi PWRficient" | |
44 | depends on PPC_PASEMI | |
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45 | default y |
46 | help | |
47 | This adds the support for frequency switching on PA Semi | |
48 | PWRficient processors. | |
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49 | |
50 | config POWERNV_CPUFREQ | |
51 | tristate "CPU frequency scaling for IBM POWERNV platform" | |
52 | depends on PPC_POWERNV | |
53 | default y | |
54 | help | |
55 | This adds support for CPU frequency switching on IBM POWERNV | |
56 | platform |