Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / d2a6f0f5597696ebf5bb34089be3b88ba2455b7a / . / drivers / cpufreq / Kconfig.arm
blob: 1582c1c016b098b7d40cccbaf52f7d715a0586d2 [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"
Sudeep Holla14730142015-05-13 13:35:52 +0100[diff] [blame]8 depends on (ARM_CPU_TOPOLOGY || ARM64) && 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
Arnd Bergmann8b2b4a42015-01-31 14:35:18 -0400[diff] [blame]27config ARM_EXYNOS5440_CPUFREQ
28 tristate "SAMSUNG EXYNOS5440"
29 depends on SOC_EXYNOS5440
30 depends on HAVE_CLK && OF
31 select PM_OPP
32 default y
33 help
34 This adds the CPUFreq driver for Samsung EXYNOS5440
35 SoC. The nature of exynos5440 clock controller is
36 different than previous exynos controllers so not using
37 the common exynos framework.
38
39 If in doubt, say N.
40
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]41config ARM_HIGHBANK_CPUFREQ
42 tristate "Calxeda Highbank-based"
Viresh Kumarbbcf0712014-09-09 19:58:03 +0530[diff] [blame]43 depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]44 default m
45 help
46 This adds the CPUFreq driver for Calxeda Highbank SoC
47 based boards.
48
49 If in doubt, say N.
50
Leo Yan5acb9722015-03-30 13:26:37 +0800[diff] [blame]51config ARM_HISI_ACPU_CPUFREQ
52 tristate "Hisilicon ACPU CPUfreq driver"
53 depends on ARCH_HISI && CPUFREQ_DT
54 select PM_OPP
55 help
56 This enables the hisilicon ACPU CPUfreq driver.
57
58 If in doubt, say N.
59
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]60config ARM_IMX6Q_CPUFREQ
Shawn Guo1d0eaae2013-12-20 10:12:16 +0800[diff] [blame]61 tristate "Freescale i.MX6 cpufreq support"
62 depends on ARCH_MXC
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]63 depends on REGULATOR_ANATOP
Nicolas Del Piano7e021682014-07-13 18:59:00 -0300[diff] [blame]64 select PM_OPP
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]65 help
Shawn Guo1d0eaae2013-12-20 10:12:16 +0800[diff] [blame]66 This adds cpufreq driver support for Freescale i.MX6 series SoCs.
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]67
68 If in doubt, say N.
69
Viresh Kumarb7e614c2013-04-04 12:54:14 +0000[diff] [blame]70config ARM_INTEGRATOR
71 tristate "CPUfreq driver for ARM Integrator CPUs"
72 depends on ARCH_INTEGRATOR
73 default y
74 help
75 This enables the CPUfreq driver for ARM Integrator CPUs.
76 If in doubt, say Y.
77
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]78config ARM_KIRKWOOD_CPUFREQ
Andrew Lunn6c8df112014-08-30 18:46:12 +0200[diff] [blame]79 def_bool MACH_KIRKWOOD
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]80 help
81 This adds the CPUFreq driver for Marvell Kirkwood
82 SoCs.
83
Pi-Cheng Chen14538632015-08-19 10:05:06 +0800[diff] [blame]84config ARM_MT8173_CPUFREQ
85 bool "Mediatek MT8173 CPUFreq support"
86 depends on ARCH_MEDIATEK && REGULATOR
Guenter Roeck5269e702015-09-03 08:20:58 -0700[diff] [blame]87 depends on !CPU_THERMAL || THERMAL=y
Pi-Cheng Chen14538632015-08-19 10:05:06 +0800[diff] [blame]88 select PM_OPP
89 help
90 This adds the CPUFreq driver support for Mediatek MT8173 SoC.
91
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]92config ARM_OMAP2PLUS_CPUFREQ
93 bool "TI OMAP2+"
Kevin Hilman2d59dcf2012-04-13 13:32:30 -0700[diff] [blame]94 depends on ARCH_OMAP2PLUS
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]95 default ARCH_OMAP2PLUS
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]96
Viresh Kumarf023f8d2013-04-04 12:54:15 +0000[diff] [blame]97config ARM_S3C_CPUFREQ
98 bool
99 help
100 Internal configuration node for common cpufreq on Samsung SoC
101
102config ARM_S3C24XX_CPUFREQ
103 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
104 depends on ARCH_S3C24XX
105 select ARM_S3C_CPUFREQ
106 help
107 This enables the CPUfreq driver for the Samsung S3C24XX family
108 of CPUs.
109
110 For details, take a look at <file:Documentation/cpu-freq>.
111
112 If in doubt, say N.
113
114config ARM_S3C24XX_CPUFREQ_DEBUG
115 bool "Debug CPUfreq Samsung driver core"
116 depends on ARM_S3C24XX_CPUFREQ
117 help
118 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
119
120config ARM_S3C24XX_CPUFREQ_IODEBUG
121 bool "Debug CPUfreq Samsung driver IO timing"
122 depends on ARM_S3C24XX_CPUFREQ
123 help
124 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
125
126config ARM_S3C24XX_CPUFREQ_DEBUGFS
127 bool "Export debugfs for CPUFreq"
128 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
129 help
130 Export status information via debugfs.
131
132config ARM_S3C2410_CPUFREQ
133 bool
134 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
135 select S3C2410_CPUFREQ_UTILS
136 help
137 CPU Frequency scaling support for S3C2410
138
139config ARM_S3C2412_CPUFREQ
140 bool
141 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
142 default y
143 select S3C2412_IOTIMING
144 help
145 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
146
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]147config ARM_S3C2416_CPUFREQ
148 bool "S3C2416 CPU Frequency scaling support"
149 depends on CPU_S3C2416
150 help
151 This adds the CPUFreq driver for the Samsung S3C2416 and
152 S3C2450 SoC. The S3C2416 supports changing the rate of the
153 armdiv clock source and also entering a so called dynamic
154 voltage scaling mode in which it is possible to reduce the
Stratos Karafotis735dc242014-04-22 22:40:10 +0300[diff] [blame]155 core voltage of the CPU.
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]156
157 If in doubt, say N.
158
159config ARM_S3C2416_CPUFREQ_VCORESCALE
Kees Cook0f194b52012-10-02 11:16:53 -0700[diff] [blame]160 bool "Allow voltage scaling for S3C2416 arm core"
161 depends on ARM_S3C2416_CPUFREQ && REGULATOR
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]162 help
163 Enable CPU voltage scaling when entering the dvs mode.
164 It uses information gathered through existing hardware and
165 tests but not documented in any datasheet.
166
167 If in doubt, say N.
168
Viresh Kumarf023f8d2013-04-04 12:54:15 +0000[diff] [blame]169config ARM_S3C2440_CPUFREQ
170 bool "S3C2440/S3C2442 CPU Frequency scaling support"
171 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
172 select S3C2410_CPUFREQ_UTILS
173 default y
174 help
175 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
176
Kukjin Kim15964d32011-06-06 18:43:01 -0700[diff] [blame]177config ARM_S3C64XX_CPUFREQ
178 bool "Samsung S3C64XX"
179 depends on CPU_S3C6410
180 default y
181 help
182 This adds the CPUFreq driver for Samsung S3C6410 SoC.
183
184 If in doubt, say N.
185
Kukjin Kimf7d77072011-06-01 14:18:22 -0700[diff] [blame]186config ARM_S5PV210_CPUFREQ
187 bool "Samsung S5PV210 and S5PC110"
188 depends on CPU_S5PV210
189 default y
190 help
191 This adds the CPUFreq driver for Samsung S5PV210 and
192 S5PC110 SoCs.
193
194 If in doubt, say N.
195
Viresh Kumar59a2e612013-04-04 12:54:16 +0000[diff] [blame]196config ARM_SA1100_CPUFREQ
197 bool
198
199config ARM_SA1110_CPUFREQ
200 bool
201
Sudeep Holla8def3102015-03-30 10:59:52 +0100[diff] [blame]202config ARM_SCPI_CPUFREQ
203 tristate "SCPI based CPUfreq driver"
204 depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL
205 help
206 This adds the CPUfreq driver support for ARM big.LITTLE platforms
207 using SCPI protocol for CPU power management.
208
209 This driver uses SCPI Message Protocol driver to interact with the
210 firmware providing the CPU DVFS functionality.
211
Deepak Sikri42099322012-11-27 14:05:26 +0100[diff] [blame]212config ARM_SPEAR_CPUFREQ
213 bool "SPEAr CPUFreq support"
214 depends on PLAT_SPEAR
215 default y
216 help
217 This adds the CPUFreq driver support for SPEAr SOCs.
Viresh Kumardbb8d762013-06-12 12:05:48 +0530[diff] [blame]218
Tuomas Tynkkynen109e13e2015-05-13 17:58:47 +0300[diff] [blame]219config ARM_TEGRA20_CPUFREQ
220 bool "Tegra20 CPUFreq support"
Viresh Kumardbb8d762013-06-12 12:05:48 +0530[diff] [blame]221 depends on ARCH_TEGRA
Viresh Kumardbb8d762013-06-12 12:05:48 +0530[diff] [blame]222 default y
223 help
Tuomas Tynkkynen109e13e2015-05-13 17:58:47 +0300[diff] [blame]224 This adds the CPUFreq driver support for Tegra20 SOCs.
Petr Cvek608eab22014-11-24 04:59:26 +0100[diff] [blame]225
Tuomas Tynkkynen9eb15db2015-05-13 17:58:48 +0300[diff] [blame]226config ARM_TEGRA124_CPUFREQ
227 tristate "Tegra124 CPUFreq support"
228 depends on ARCH_TEGRA && CPUFREQ_DT
229 default y
230 help
231 This adds the CPUFreq driver support for Tegra124 SOCs.
232
Petr Cvek608eab22014-11-24 04:59:26 +0100[diff] [blame]233config ARM_PXA2xx_CPUFREQ
234 tristate "Intel PXA2xx CPUfreq driver"
235 depends on PXA27x || PXA25x
236 help
237 This add the CPUFreq driver support for Intel PXA2xx SOCs.
238
239 If in doubt, say N.
Ashwin Chaugule5477fb32015-10-02 10:04:01 -0400[diff] [blame]240
241config ACPI_CPPC_CPUFREQ
242 tristate "CPUFreq driver based on the ACPI CPPC spec"
243 depends on ACPI
244 select ACPI_CPPC_LIB
245 default n
246 help
247 This adds a CPUFreq driver which uses CPPC methods
248 as described in the ACPIv5.1 spec. CPPC stands for
249 Collaborative Processor Performance Controls. It
250 is based on an abstract continuous scale of CPU
251 performance values which allows the remote power
252 processor to flexibly optimize for power and
253 performance. CPPC relies on power management firmware
254 support for its operation.
255
256 If in doubt, say N.