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gerrit-public.fairphone.software / kernel / msm-4.9 / baca66f7960f60a7ed5884acf4eb1a76d868c43c / . / drivers / cpufreq / Kconfig.arm
blob: 0e9cce82844bf519f62b7bed24bf0783d89400e9 [file] [log] [blame]
Kukjin Kimf7d77072011-06-01 14:18:22 -0700[diff] [blame]1#
2# ARM CPU Frequency scaling drivers
3#
4
viresh kumar3b84d582014-03-14 12:10:54 +0530[diff] [blame]5# big LITTLE core layer and glue drivers
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]6config ARM_BIG_LITTLE_CPUFREQ
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]7 tristate "Generic ARM big LITTLE CPUfreq driver"
Viresh Kumar998be8e2014-01-03 15:51:39 +0530[diff] [blame]8 depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
Mark Brown109df082013-12-11 22:12:27 +0000[diff] [blame]9 select PM_OPP
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]10 help
11 This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]12
13config ARM_DT_BL_CPUFREQ
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]14 tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
15 depends on ARM_BIG_LITTLE_CPUFREQ && OF
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]16 help
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]17 This enables probing via DT for Generic CPUfreq driver for ARM
18 big.LITTLE platform. This gets frequency tables from DT.
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]19
viresh kumar3b84d582014-03-14 12:10:54 +0530[diff] [blame]20config ARM_VEXPRESS_SPC_CPUFREQ
21 tristate "Versatile Express SPC based CPUfreq driver"
22 depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
23 help
24 This add the CPUfreq driver support for Versatile Express
25 big.LITTLE platforms using SPC for power management.
26
27
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]28config ARM_EXYNOS_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]29 bool
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]30
31config ARM_EXYNOS4210_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]32 bool "SAMSUNG EXYNOS4210"
Sachin Kamat1fedc2f2014-04-02 16:33:47 +0530[diff] [blame]33 depends on CPU_EXYNOS4210 && !ARCH_MULTIPLATFORM
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]34 default y
35 select ARM_EXYNOS_CPUFREQ
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]36 help
37 This adds the CPUFreq driver for Samsung EXYNOS4210
38 SoC (S5PV310 or S5PC210).
39
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]40 If in doubt, say N.
41
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]42config ARM_EXYNOS4X12_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]43 bool "SAMSUNG EXYNOS4x12"
Sachin Kamat1fedc2f2014-04-02 16:33:47 +0530[diff] [blame]44 depends on (SOC_EXYNOS4212 || SOC_EXYNOS4412) && !ARCH_MULTIPLATFORM
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]45 default y
46 select ARM_EXYNOS_CPUFREQ
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]47 help
48 This adds the CPUFreq driver for Samsung EXYNOS4X12
49 SoC (EXYNOS4212 or EXYNOS4412).
50
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]51 If in doubt, say N.
52
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]53config ARM_EXYNOS5250_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]54 bool "SAMSUNG EXYNOS5250"
Sachin Kamat1fedc2f2014-04-02 16:33:47 +0530[diff] [blame]55 depends on SOC_EXYNOS5250 && !ARCH_MULTIPLATFORM
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]56 default y
57 select ARM_EXYNOS_CPUFREQ
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]58 help
59 This adds the CPUFreq driver for Samsung EXYNOS5250
60 SoC.
61
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]62 If in doubt, say N.
63
Amit Daniel Kachhap49d7b5b2013-04-08 09:57:34 +0000[diff] [blame]64config ARM_EXYNOS5440_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]65 bool "SAMSUNG EXYNOS5440"
66 depends on SOC_EXYNOS5440
Mark Brown109df082013-12-11 22:12:27 +0000[diff] [blame]67 depends on HAVE_CLK && OF
68 select PM_OPP
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]69 default y
Amit Daniel Kachhap49d7b5b2013-04-08 09:57:34 +0000[diff] [blame]70 help
71 This adds the CPUFreq driver for Samsung EXYNOS5440
72 SoC. The nature of exynos5440 clock controller is
73 different than previous exynos controllers so not using
74 the common exynos framework.
75
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]76 If in doubt, say N.
77
Lukasz Majewski2fb47192013-12-20 15:24:51 +0100[diff] [blame]78config ARM_EXYNOS_CPU_FREQ_BOOST_SW
79 bool "EXYNOS Frequency Overclocking - Software"
80 depends on ARM_EXYNOS_CPUFREQ
81 select CPU_FREQ_BOOST_SW
82 select EXYNOS_THERMAL
83 help
84 This driver supports software managed overclocking (BOOST).
85 It allows usage of special frequencies for Samsung Exynos
86 processors if thermal conditions are appropriate.
87
88 It reguires, for safe operation, thermal framework with properly
89 defined trip points.
90
91 If in doubt, say N.
92
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]93config ARM_HIGHBANK_CPUFREQ
94 tristate "Calxeda Highbank-based"
95 depends on ARCH_HIGHBANK
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]96 select GENERIC_CPUFREQ_CPU0
97 select PM_OPP
98 select REGULATOR
99
100 default m
101 help
102 This adds the CPUFreq driver for Calxeda Highbank SoC
103 based boards.
104
105 If in doubt, say N.
106
107config ARM_IMX6Q_CPUFREQ
Shawn Guo1d0eaae2013-12-20 10:12:16 +0800[diff] [blame]108 tristate "Freescale i.MX6 cpufreq support"
109 depends on ARCH_MXC
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]110 depends on REGULATOR_ANATOP
111 help
Shawn Guo1d0eaae2013-12-20 10:12:16 +0800[diff] [blame]112 This adds cpufreq driver support for Freescale i.MX6 series SoCs.
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]113
114 If in doubt, say N.
115
Viresh Kumarb7e614c2013-04-04 12:54:14 +0000[diff] [blame]116config ARM_INTEGRATOR
117 tristate "CPUfreq driver for ARM Integrator CPUs"
118 depends on ARCH_INTEGRATOR
119 default y
120 help
121 This enables the CPUfreq driver for ARM Integrator CPUs.
122 If in doubt, say Y.
123
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]124config ARM_KIRKWOOD_CPUFREQ
Andrew Lunnff1f0012014-02-22 20:15:00 +0100[diff] [blame]125 def_bool MACH_KIRKWOOD
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]126 help
127 This adds the CPUFreq driver for Marvell Kirkwood
128 SoCs.
129
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]130config ARM_OMAP2PLUS_CPUFREQ
131 bool "TI OMAP2+"
Kevin Hilman2d59dcf2012-04-13 13:32:30 -0700[diff] [blame]132 depends on ARCH_OMAP2PLUS
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]133 default ARCH_OMAP2PLUS
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]134
Viresh Kumarf023f8d2013-04-04 12:54:15 +0000[diff] [blame]135config ARM_S3C_CPUFREQ
136 bool
137 help
138 Internal configuration node for common cpufreq on Samsung SoC
139
140config ARM_S3C24XX_CPUFREQ
141 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
142 depends on ARCH_S3C24XX
143 select ARM_S3C_CPUFREQ
144 help
145 This enables the CPUfreq driver for the Samsung S3C24XX family
146 of CPUs.
147
148 For details, take a look at <file:Documentation/cpu-freq>.
149
150 If in doubt, say N.
151
152config ARM_S3C24XX_CPUFREQ_DEBUG
153 bool "Debug CPUfreq Samsung driver core"
154 depends on ARM_S3C24XX_CPUFREQ
155 help
156 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
157
158config ARM_S3C24XX_CPUFREQ_IODEBUG
159 bool "Debug CPUfreq Samsung driver IO timing"
160 depends on ARM_S3C24XX_CPUFREQ
161 help
162 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
163
164config ARM_S3C24XX_CPUFREQ_DEBUGFS
165 bool "Export debugfs for CPUFreq"
166 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
167 help
168 Export status information via debugfs.
169
170config ARM_S3C2410_CPUFREQ
171 bool
172 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
173 select S3C2410_CPUFREQ_UTILS
174 help
175 CPU Frequency scaling support for S3C2410
176
177config ARM_S3C2412_CPUFREQ
178 bool
179 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
180 default y
181 select S3C2412_IOTIMING
182 help
183 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
184
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]185config ARM_S3C2416_CPUFREQ
186 bool "S3C2416 CPU Frequency scaling support"
187 depends on CPU_S3C2416
188 help
189 This adds the CPUFreq driver for the Samsung S3C2416 and
190 S3C2450 SoC. The S3C2416 supports changing the rate of the
191 armdiv clock source and also entering a so called dynamic
192 voltage scaling mode in which it is possible to reduce the
193 core voltage of the cpu.
194
195 If in doubt, say N.
196
197config ARM_S3C2416_CPUFREQ_VCORESCALE
Kees Cook0f194b52012-10-02 11:16:53 -0700[diff] [blame]198 bool "Allow voltage scaling for S3C2416 arm core"
199 depends on ARM_S3C2416_CPUFREQ && REGULATOR
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]200 help
201 Enable CPU voltage scaling when entering the dvs mode.
202 It uses information gathered through existing hardware and
203 tests but not documented in any datasheet.
204
205 If in doubt, say N.
206
Viresh Kumarf023f8d2013-04-04 12:54:15 +0000[diff] [blame]207config ARM_S3C2440_CPUFREQ
208 bool "S3C2440/S3C2442 CPU Frequency scaling support"
209 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
210 select S3C2410_CPUFREQ_UTILS
211 default y
212 help
213 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
214
Kukjin Kim15964d32011-06-06 18:43:01 -0700[diff] [blame]215config ARM_S3C64XX_CPUFREQ
216 bool "Samsung S3C64XX"
217 depends on CPU_S3C6410
218 default y
219 help
220 This adds the CPUFreq driver for Samsung S3C6410 SoC.
221
222 If in doubt, say N.
223
Kukjin Kimf7d77072011-06-01 14:18:22 -0700[diff] [blame]224config ARM_S5PV210_CPUFREQ
225 bool "Samsung S5PV210 and S5PC110"
226 depends on CPU_S5PV210
227 default y
228 help
229 This adds the CPUFreq driver for Samsung S5PV210 and
230 S5PC110 SoCs.
231
232 If in doubt, say N.
233
Viresh Kumar59a2e612013-04-04 12:54:16 +0000[diff] [blame]234config ARM_SA1100_CPUFREQ
235 bool
236
237config ARM_SA1110_CPUFREQ
238 bool
239
Deepak Sikri42099322012-11-27 14:05:26 +0100[diff] [blame]240config ARM_SPEAR_CPUFREQ
241 bool "SPEAr CPUFreq support"
242 depends on PLAT_SPEAR
243 default y
244 help
245 This adds the CPUFreq driver support for SPEAr SOCs.
Viresh Kumardbb8d762013-06-12 12:05:48 +0530[diff] [blame]246
247config ARM_TEGRA_CPUFREQ
248 bool "TEGRA CPUFreq support"
249 depends on ARCH_TEGRA
Viresh Kumardbb8d762013-06-12 12:05:48 +0530[diff] [blame]250 default y
251 help
252 This adds the CPUFreq driver support for TEGRA SOCs.