Linaro Git Browser
Code Review Sign In
review.linaro.org / kernel / linux-linaro-stable.git / refs/heads/v3.14/topic/arm64-bl-cpufreq / . / drivers / cpufreq / Kconfig.arm
blob: 56f9cdb8d0974bb029645511784f1c7e3cfd27ce [file] [log] [blame]
Kukjin Kimf7d77072011-06-01 14:18:22 -0700[diff] [blame]1#
2# ARM CPU Frequency scaling drivers
3#
4
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]5config ARM_BIG_LITTLE_CPUFREQ
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]6 tristate "Generic ARM big LITTLE CPUfreq driver"
Mark Brown3b610bc2014-05-09 17:40:31 +0100[diff] [blame]7 depends on (BIG_LITTLE && ARM_CPU_TOPOLOGY) || (ARM64 && SMP)
8 depends on 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 Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]20config ARM_EXYNOS_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]21 bool
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]22
23config ARM_EXYNOS4210_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]24 bool "SAMSUNG EXYNOS4210"
25 depends on CPU_EXYNOS4210
26 default y
27 select ARM_EXYNOS_CPUFREQ
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]28 help
29 This adds the CPUFreq driver for Samsung EXYNOS4210
30 SoC (S5PV310 or S5PC210).
31
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]32 If in doubt, say N.
33
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]34config ARM_EXYNOS4X12_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]35 bool "SAMSUNG EXYNOS4x12"
36 depends on (SOC_EXYNOS4212 || SOC_EXYNOS4412)
37 default y
38 select ARM_EXYNOS_CPUFREQ
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]39 help
40 This adds the CPUFreq driver for Samsung EXYNOS4X12
41 SoC (EXYNOS4212 or EXYNOS4412).
42
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]43 If in doubt, say N.
44
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]45config ARM_EXYNOS5250_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]46 bool "SAMSUNG EXYNOS5250"
47 depends on SOC_EXYNOS5250
48 default y
49 select ARM_EXYNOS_CPUFREQ
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]50 help
51 This adds the CPUFreq driver for Samsung EXYNOS5250
52 SoC.
53
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]54 If in doubt, say N.
55
Amit Daniel Kachhap49d7b5b2013-04-08 09:57:34 +0000[diff] [blame]56config ARM_EXYNOS5440_CPUFREQ
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]57 bool "SAMSUNG EXYNOS5440"
58 depends on SOC_EXYNOS5440
Mark Brown109df082013-12-11 22:12:27 +0000[diff] [blame]59 depends on HAVE_CLK && OF
60 select PM_OPP
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]61 default y
Amit Daniel Kachhap49d7b5b2013-04-08 09:57:34 +0000[diff] [blame]62 help
63 This adds the CPUFreq driver for Samsung EXYNOS5440
64 SoC. The nature of exynos5440 clock controller is
65 different than previous exynos controllers so not using
66 the common exynos framework.
67
Bartlomiej Zolnierkiewicz45e12082013-08-09 14:04:55 +0200[diff] [blame]68 If in doubt, say N.
69
Lukasz Majewski2fb47192013-12-20 15:24:51 +0100[diff] [blame]70config ARM_EXYNOS_CPU_FREQ_BOOST_SW
71 bool "EXYNOS Frequency Overclocking - Software"
72 depends on ARM_EXYNOS_CPUFREQ
73 select CPU_FREQ_BOOST_SW
74 select EXYNOS_THERMAL
75 help
76 This driver supports software managed overclocking (BOOST).
77 It allows usage of special frequencies for Samsung Exynos
78 processors if thermal conditions are appropriate.
79
80 It reguires, for safe operation, thermal framework with properly
81 defined trip points.
82
83 If in doubt, say N.
84
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]85config ARM_HIGHBANK_CPUFREQ
86 tristate "Calxeda Highbank-based"
87 depends on ARCH_HIGHBANK
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]88 select GENERIC_CPUFREQ_CPU0
89 select PM_OPP
90 select REGULATOR
91
92 default m
93 help
94 This adds the CPUFreq driver for Calxeda Highbank SoC
95 based boards.
96
97 If in doubt, say N.
98
99config ARM_IMX6Q_CPUFREQ
Shawn Guo1d0eaae2013-12-20 10:12:16 +0800[diff] [blame]100 tristate "Freescale i.MX6 cpufreq support"
101 depends on ARCH_MXC
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]102 depends on REGULATOR_ANATOP
103 help
Shawn Guo1d0eaae2013-12-20 10:12:16 +0800[diff] [blame]104 This adds cpufreq driver support for Freescale i.MX6 series SoCs.
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]105
106 If in doubt, say N.
107
Viresh Kumarb7e614c2013-04-04 12:54:14 +0000[diff] [blame]108config ARM_INTEGRATOR
109 tristate "CPUfreq driver for ARM Integrator CPUs"
110 depends on ARCH_INTEGRATOR
111 default y
112 help
113 This enables the CPUfreq driver for ARM Integrator CPUs.
114 If in doubt, say Y.
115
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]116config ARM_KIRKWOOD_CPUFREQ
117 def_bool ARCH_KIRKWOOD && OF
118 help
119 This adds the CPUFreq driver for Marvell Kirkwood
120 SoCs.
121
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]122config ARM_OMAP2PLUS_CPUFREQ
123 bool "TI OMAP2+"
Kevin Hilman2d59dcf2012-04-13 13:32:30 -0700[diff] [blame]124 depends on ARCH_OMAP2PLUS
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]125 default ARCH_OMAP2PLUS
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]126
Viresh Kumarf023f8d2013-04-04 12:54:15 +0000[diff] [blame]127config ARM_S3C_CPUFREQ
128 bool
129 help
130 Internal configuration node for common cpufreq on Samsung SoC
131
132config ARM_S3C24XX_CPUFREQ
133 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
134 depends on ARCH_S3C24XX
135 select ARM_S3C_CPUFREQ
136 help
137 This enables the CPUfreq driver for the Samsung S3C24XX family
138 of CPUs.
139
140 For details, take a look at <file:Documentation/cpu-freq>.
141
142 If in doubt, say N.
143
144config ARM_S3C24XX_CPUFREQ_DEBUG
145 bool "Debug CPUfreq Samsung driver core"
146 depends on ARM_S3C24XX_CPUFREQ
147 help
148 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
149
150config ARM_S3C24XX_CPUFREQ_IODEBUG
151 bool "Debug CPUfreq Samsung driver IO timing"
152 depends on ARM_S3C24XX_CPUFREQ
153 help
154 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
155
156config ARM_S3C24XX_CPUFREQ_DEBUGFS
157 bool "Export debugfs for CPUFreq"
158 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
159 help
160 Export status information via debugfs.
161
162config ARM_S3C2410_CPUFREQ
163 bool
164 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
165 select S3C2410_CPUFREQ_UTILS
166 help
167 CPU Frequency scaling support for S3C2410
168
169config ARM_S3C2412_CPUFREQ
170 bool
171 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
172 default y
173 select S3C2412_IOTIMING
174 help
175 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
176
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]177config ARM_S3C2416_CPUFREQ
178 bool "S3C2416 CPU Frequency scaling support"
179 depends on CPU_S3C2416
180 help
181 This adds the CPUFreq driver for the Samsung S3C2416 and
182 S3C2450 SoC. The S3C2416 supports changing the rate of the
183 armdiv clock source and also entering a so called dynamic
184 voltage scaling mode in which it is possible to reduce the
185 core voltage of the cpu.
186
187 If in doubt, say N.
188
189config ARM_S3C2416_CPUFREQ_VCORESCALE
Kees Cook0f194b52012-10-02 11:16:53 -0700[diff] [blame]190 bool "Allow voltage scaling for S3C2416 arm core"
191 depends on ARM_S3C2416_CPUFREQ && REGULATOR
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]192 help
193 Enable CPU voltage scaling when entering the dvs mode.
194 It uses information gathered through existing hardware and
195 tests but not documented in any datasheet.
196
197 If in doubt, say N.
198
Viresh Kumarf023f8d2013-04-04 12:54:15 +0000[diff] [blame]199config ARM_S3C2440_CPUFREQ
200 bool "S3C2440/S3C2442 CPU Frequency scaling support"
201 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
202 select S3C2410_CPUFREQ_UTILS
203 default y
204 help
205 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
206
Kukjin Kim15964d32011-06-06 18:43:01 -0700[diff] [blame]207config ARM_S3C64XX_CPUFREQ
208 bool "Samsung S3C64XX"
209 depends on CPU_S3C6410
210 default y
211 help
212 This adds the CPUFreq driver for Samsung S3C6410 SoC.
213
214 If in doubt, say N.
215
Kukjin Kimf7d77072011-06-01 14:18:22 -0700[diff] [blame]216config ARM_S5PV210_CPUFREQ
217 bool "Samsung S5PV210 and S5PC110"
218 depends on CPU_S5PV210
219 default y
220 help
221 This adds the CPUFreq driver for Samsung S5PV210 and
222 S5PC110 SoCs.
223
224 If in doubt, say N.
225
Viresh Kumar59a2e612013-04-04 12:54:16 +0000[diff] [blame]226config ARM_SA1100_CPUFREQ
227 bool
228
229config ARM_SA1110_CPUFREQ
230 bool
231
Deepak Sikri42099322012-11-27 14:05:26 +0100[diff] [blame]232config ARM_SPEAR_CPUFREQ
233 bool "SPEAr CPUFreq support"
234 depends on PLAT_SPEAR
235 default y
236 help
237 This adds the CPUFreq driver support for SPEAr SOCs.
Viresh Kumardbb8d762013-06-12 12:05:48 +0530[diff] [blame]238
239config ARM_TEGRA_CPUFREQ
240 bool "TEGRA CPUFreq support"
241 depends on ARCH_TEGRA
Viresh Kumardbb8d762013-06-12 12:05:48 +0530[diff] [blame]242 default y
243 help
244 This adds the CPUFreq driver support for TEGRA SOCs.
Sudeep KarkadaNagesha47ac9aa2013-10-29 12:18:39 +0000[diff] [blame]245
246config ARM_VEXPRESS_SPC_CPUFREQ
247 tristate "Versatile Express SPC based CPUfreq driver"
248 select ARM_BIG_LITTLE_CPUFREQ
249 depends on ARCH_VEXPRESS_SPC
250 help
251 This add the CPUfreq driver support for Versatile Express
252 big.LITTLE platforms using SPC for power management.