]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blame - drivers/cpufreq/Kconfig.arm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[mirror_ubuntu-zesty-kernel.git] / drivers / cpufreq / Kconfig.arm
CommitLineData
f7d77079
KK
1#
2# ARM CPU Frequency scaling drivers
3#
4
3b84d58d 5# big LITTLE core layer and glue drivers
8a67f0ef 6config ARM_BIG_LITTLE_CPUFREQ
99af7711 7 tristate "Generic ARM big LITTLE CPUfreq driver"
14730145 8 depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK
2f7e8a17
PA
9 # if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y
10 depends on !CPU_THERMAL || THERMAL
109df086 11 select PM_OPP
99af7711
VK
12 help
13 This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
8a67f0ef
VK
14
15config ARM_DT_BL_CPUFREQ
99af7711
VK
16 tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
17 depends on ARM_BIG_LITTLE_CPUFREQ && OF
8a67f0ef 18 help
99af7711
VK
19 This enables probing via DT for Generic CPUfreq driver for ARM
20 big.LITTLE platform. This gets frequency tables from DT.
8a67f0ef 21
3b84d58d 22config ARM_VEXPRESS_SPC_CPUFREQ
23 tristate "Versatile Express SPC based CPUfreq driver"
24 depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
25 help
26 This add the CPUfreq driver support for Versatile Express
27 big.LITTLE platforms using SPC for power management.
28
8b2b4a4e
AB
29config ARM_EXYNOS5440_CPUFREQ
30 tristate "SAMSUNG EXYNOS5440"
31 depends on SOC_EXYNOS5440
32 depends on HAVE_CLK && OF
33 select PM_OPP
34 default y
35 help
36 This adds the CPUFreq driver for Samsung EXYNOS5440
37 SoC. The nature of exynos5440 clock controller is
38 different than previous exynos controllers so not using
39 the common exynos framework.
40
41 If in doubt, say N.
42
a0ea048a
VK
43config ARM_HIGHBANK_CPUFREQ
44 tristate "Calxeda Highbank-based"
bbcf0719 45 depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
a0ea048a
VK
46 default m
47 help
48 This adds the CPUFreq driver for Calxeda Highbank SoC
49 based boards.
50
51 If in doubt, say N.
52
5acb972f
LY
53config ARM_HISI_ACPU_CPUFREQ
54 tristate "Hisilicon ACPU CPUfreq driver"
55 depends on ARCH_HISI && CPUFREQ_DT
56 select PM_OPP
57 help
58 This enables the hisilicon ACPU CPUfreq driver.
59
60 If in doubt, say N.
61
a0ea048a 62config ARM_IMX6Q_CPUFREQ
1d0eaae9
SG
63 tristate "Freescale i.MX6 cpufreq support"
64 depends on ARCH_MXC
a0ea048a 65 depends on REGULATOR_ANATOP
7e021687 66 select PM_OPP
a0ea048a 67 help
1d0eaae9 68 This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a
VK
69
70 If in doubt, say N.
71
b7e614c8
VK
72config ARM_INTEGRATOR
73 tristate "CPUfreq driver for ARM Integrator CPUs"
74 depends on ARCH_INTEGRATOR
75 default y
76 help
77 This enables the CPUfreq driver for ARM Integrator CPUs.
78 If in doubt, say Y.
79
a0ea048a 80config ARM_KIRKWOOD_CPUFREQ
6c8df11d 81 def_bool MACH_KIRKWOOD
a0ea048a
VK
82 help
83 This adds the CPUFreq driver for Marvell Kirkwood
84 SoCs.
85
1453863f 86config ARM_MT8173_CPUFREQ
3c2002ae 87 tristate "Mediatek MT8173 CPUFreq support"
1453863f 88 depends on ARCH_MEDIATEK && REGULATOR
2d4ee303 89 depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST)
3c2002ae 90 depends on !CPU_THERMAL || THERMAL
1453863f
PCC
91 select PM_OPP
92 help
93 This adds the CPUFreq driver support for Mediatek MT8173 SoC.
94
b09db45c
RK
95config ARM_OMAP2PLUS_CPUFREQ
96 bool "TI OMAP2+"
2d59dcfb 97 depends on ARCH_OMAP2PLUS
b09db45c 98 default ARCH_OMAP2PLUS
b09db45c 99
f023f8dd
VK
100config ARM_S3C_CPUFREQ
101 bool
102 help
103 Internal configuration node for common cpufreq on Samsung SoC
104
105config ARM_S3C24XX_CPUFREQ
106 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
107 depends on ARCH_S3C24XX
108 select ARM_S3C_CPUFREQ
109 help
110 This enables the CPUfreq driver for the Samsung S3C24XX family
111 of CPUs.
112
113 For details, take a look at <file:Documentation/cpu-freq>.
114
115 If in doubt, say N.
116
117config ARM_S3C24XX_CPUFREQ_DEBUG
118 bool "Debug CPUfreq Samsung driver core"
119 depends on ARM_S3C24XX_CPUFREQ
120 help
121 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
122
123config ARM_S3C24XX_CPUFREQ_IODEBUG
124 bool "Debug CPUfreq Samsung driver IO timing"
125 depends on ARM_S3C24XX_CPUFREQ
126 help
127 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
128
129config ARM_S3C24XX_CPUFREQ_DEBUGFS
130 bool "Export debugfs for CPUFreq"
131 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
132 help
133 Export status information via debugfs.
134
135config ARM_S3C2410_CPUFREQ
136 bool
137 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
138 select S3C2410_CPUFREQ_UTILS
139 help
140 CPU Frequency scaling support for S3C2410
141
142config ARM_S3C2412_CPUFREQ
143 bool
144 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
145 default y
146 select S3C2412_IOTIMING
147 help
148 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
149
34ee5507
HS
150config ARM_S3C2416_CPUFREQ
151 bool "S3C2416 CPU Frequency scaling support"
152 depends on CPU_S3C2416
153 help
154 This adds the CPUFreq driver for the Samsung S3C2416 and
155 S3C2450 SoC. The S3C2416 supports changing the rate of the
156 armdiv clock source and also entering a so called dynamic
157 voltage scaling mode in which it is possible to reduce the
735dc249 158 core voltage of the CPU.
34ee5507
HS
159
160 If in doubt, say N.
161
162config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56
KC
163 bool "Allow voltage scaling for S3C2416 arm core"
164 depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507
HS
165 help
166 Enable CPU voltage scaling when entering the dvs mode.
167 It uses information gathered through existing hardware and
168 tests but not documented in any datasheet.
169
170 If in doubt, say N.
171
f023f8dd
VK
172config ARM_S3C2440_CPUFREQ
173 bool "S3C2440/S3C2442 CPU Frequency scaling support"
174 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
175 select S3C2410_CPUFREQ_UTILS
176 default y
177 help
178 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
179
15964d38
KK
180config ARM_S3C64XX_CPUFREQ
181 bool "Samsung S3C64XX"
182 depends on CPU_S3C6410
183 default y
184 help
185 This adds the CPUFreq driver for Samsung S3C6410 SoC.
186
187 If in doubt, say N.
188
f7d77079
KK
189config ARM_S5PV210_CPUFREQ
190 bool "Samsung S5PV210 and S5PC110"
191 depends on CPU_S5PV210
192 default y
193 help
194 This adds the CPUFreq driver for Samsung S5PV210 and
195 S5PC110 SoCs.
196
197 If in doubt, say N.
198
59a2e613
VK
199config ARM_SA1100_CPUFREQ
200 bool
201
202config ARM_SA1110_CPUFREQ
203 bool
204
8def3103
SH
205config ARM_SCPI_CPUFREQ
206 tristate "SCPI based CPUfreq driver"
73124ced 207 depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
8def3103
SH
208 help
209 This adds the CPUfreq driver support for ARM big.LITTLE platforms
210 using SCPI protocol for CPU power management.
211
212 This driver uses SCPI Message Protocol driver to interact with the
213 firmware providing the CPU DVFS functionality.
214
42099322
DS
215config ARM_SPEAR_CPUFREQ
216 bool "SPEAr CPUFreq support"
217 depends on PLAT_SPEAR
218 default y
219 help
220 This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e 221
ab0ea257
LJ
222config ARM_STI_CPUFREQ
223 tristate "STi CPUFreq support"
224 depends on SOC_STIH407
225 help
226 This driver uses the generic OPP framework to match the running
227 platform with a predefined set of suitable values. If not provided
228 we will fall-back so safe-values contained in Device Tree. Enable
229 this config option if you wish to add CPUFreq support for STi based
230 SoCs.
231
109e13ea
TT
232config ARM_TEGRA20_CPUFREQ
233 bool "Tegra20 CPUFreq support"
dbb8d76e 234 depends on ARCH_TEGRA
dbb8d76e
VK
235 default y
236 help
109e13ea 237 This adds the CPUFreq driver support for Tegra20 SOCs.
608eab22 238
9eb15dbb
TT
239config ARM_TEGRA124_CPUFREQ
240 tristate "Tegra124 CPUFreq support"
b5832e4b 241 depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
9eb15dbb
TT
242 default y
243 help
244 This adds the CPUFreq driver support for Tegra124 SOCs.
245
608eab22
PC
246config ARM_PXA2xx_CPUFREQ
247 tristate "Intel PXA2xx CPUfreq driver"
248 depends on PXA27x || PXA25x
249 help
250 This add the CPUFreq driver support for Intel PXA2xx SOCs.
251
252 If in doubt, say N.
5477fb3b
AC
253
254config ACPI_CPPC_CPUFREQ
255 tristate "CPUFreq driver based on the ACPI CPPC spec"
256 depends on ACPI
257 select ACPI_CPPC_LIB
258 default n
259 help
260 This adds a CPUFreq driver which uses CPPC methods
261 as described in the ACPIv5.1 spec. CPPC stands for
262 Collaborative Processor Performance Controls. It
263 is based on an abstract continuous scale of CPU
264 performance values which allows the remote power
265 processor to flexibly optimize for power and
266 performance. CPPC relies on power management firmware
267 support for its operation.
268
269 If in doubt, say N.