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Linux/drivers/cpufreq/Kconfig.arm

  1 #
  2 # ARM CPU Frequency scaling drivers
  3 #
  4 
  5 # big LITTLE core layer and glue drivers
  6 config ARM_BIG_LITTLE_CPUFREQ
  7         tristate "Generic ARM big LITTLE CPUfreq driver"
  8         depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
  9         select PM_OPP
 10         help
 11           This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
 12 
 13 config ARM_DT_BL_CPUFREQ
 14         tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
 15         depends on ARM_BIG_LITTLE_CPUFREQ && OF
 16         help
 17           This enables probing via DT for Generic CPUfreq driver for ARM
 18           big.LITTLE platform. This gets frequency tables from DT.
 19 
 20 config 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 
 28 config ARM_EXYNOS_CPUFREQ
 29         tristate "SAMSUNG EXYNOS CPUfreq Driver"
 30         depends on CPU_EXYNOS4210 || SOC_EXYNOS4212 || SOC_EXYNOS4412 || SOC_EXYNOS5250
 31         depends on THERMAL
 32         help
 33           This adds the CPUFreq driver for Samsung EXYNOS platforms.
 34           Supported SoC versions are:
 35              Exynos4210, Exynos4212, Exynos4412, and Exynos5250.
 36 
 37           If in doubt, say N.
 38 
 39 config ARM_EXYNOS4210_CPUFREQ
 40         bool "SAMSUNG EXYNOS4210"
 41         depends on CPU_EXYNOS4210
 42         depends on ARM_EXYNOS_CPUFREQ
 43         default y
 44         help
 45           This adds the CPUFreq driver for Samsung EXYNOS4210
 46           SoC (S5PV310 or S5PC210).
 47 
 48           If in doubt, say N.
 49 
 50 config ARM_EXYNOS4X12_CPUFREQ
 51         bool "SAMSUNG EXYNOS4x12"
 52         depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
 53         depends on ARM_EXYNOS_CPUFREQ
 54         default y
 55         help
 56           This adds the CPUFreq driver for Samsung EXYNOS4X12
 57           SoC (EXYNOS4212 or EXYNOS4412).
 58 
 59           If in doubt, say N.
 60 
 61 config ARM_EXYNOS5250_CPUFREQ
 62         bool "SAMSUNG EXYNOS5250"
 63         depends on SOC_EXYNOS5250
 64         depends on ARM_EXYNOS_CPUFREQ
 65         default y
 66         help
 67           This adds the CPUFreq driver for Samsung EXYNOS5250
 68           SoC.
 69 
 70           If in doubt, say N.
 71 
 72 config ARM_EXYNOS_CPU_FREQ_BOOST_SW
 73         bool "EXYNOS Frequency Overclocking - Software"
 74         depends on ARM_EXYNOS_CPUFREQ && THERMAL
 75         select CPU_FREQ_BOOST_SW
 76         select EXYNOS_THERMAL
 77         help
 78           This driver supports software managed overclocking (BOOST).
 79           It allows usage of special frequencies for Samsung Exynos
 80           processors if thermal conditions are appropriate.
 81 
 82           It requires, for safe operation, thermal framework with properly
 83           defined trip points.
 84 
 85           If in doubt, say N.
 86 
 87 config ARM_EXYNOS5440_CPUFREQ
 88         tristate "SAMSUNG EXYNOS5440"
 89         depends on SOC_EXYNOS5440
 90         depends on HAVE_CLK && OF
 91         select PM_OPP
 92         default y
 93         help
 94           This adds the CPUFreq driver for Samsung EXYNOS5440
 95           SoC. The nature of exynos5440 clock controller is
 96           different than previous exynos controllers so not using
 97           the common exynos framework.
 98 
 99           If in doubt, say N.
100 
101 config ARM_HIGHBANK_CPUFREQ
102         tristate "Calxeda Highbank-based"
103         depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
104         default m
105         help
106           This adds the CPUFreq driver for Calxeda Highbank SoC
107           based boards.
108 
109           If in doubt, say N.
110 
111 config ARM_IMX6Q_CPUFREQ
112         tristate "Freescale i.MX6 cpufreq support"
113         depends on ARCH_MXC
114         depends on REGULATOR_ANATOP
115         select PM_OPP
116         help
117           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
118 
119           If in doubt, say N.
120 
121 config ARM_INTEGRATOR
122         tristate "CPUfreq driver for ARM Integrator CPUs"
123         depends on ARCH_INTEGRATOR
124         default y
125         help
126           This enables the CPUfreq driver for ARM Integrator CPUs.
127           If in doubt, say Y.
128 
129 config ARM_KIRKWOOD_CPUFREQ
130         def_bool MACH_KIRKWOOD
131         help
132           This adds the CPUFreq driver for Marvell Kirkwood
133           SoCs.
134 
135 config ARM_OMAP2PLUS_CPUFREQ
136         bool "TI OMAP2+"
137         depends on ARCH_OMAP2PLUS
138         default ARCH_OMAP2PLUS
139 
140 config ARM_S3C_CPUFREQ
141         bool
142         help
143           Internal configuration node for common cpufreq on Samsung SoC
144 
145 config ARM_S3C24XX_CPUFREQ
146         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
147         depends on ARCH_S3C24XX
148         select ARM_S3C_CPUFREQ
149         help
150           This enables the CPUfreq driver for the Samsung S3C24XX family
151           of CPUs.
152 
153           For details, take a look at <file:Documentation/cpu-freq>.
154 
155           If in doubt, say N.
156 
157 config ARM_S3C24XX_CPUFREQ_DEBUG
158         bool "Debug CPUfreq Samsung driver core"
159         depends on ARM_S3C24XX_CPUFREQ
160         help
161           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
162 
163 config ARM_S3C24XX_CPUFREQ_IODEBUG
164         bool "Debug CPUfreq Samsung driver IO timing"
165         depends on ARM_S3C24XX_CPUFREQ
166         help
167           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
168 
169 config ARM_S3C24XX_CPUFREQ_DEBUGFS
170         bool "Export debugfs for CPUFreq"
171         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
172         help
173           Export status information via debugfs.
174 
175 config ARM_S3C2410_CPUFREQ
176         bool
177         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
178         select S3C2410_CPUFREQ_UTILS
179         help
180           CPU Frequency scaling support for S3C2410
181 
182 config ARM_S3C2412_CPUFREQ
183         bool
184         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
185         default y
186         select S3C2412_IOTIMING
187         help
188           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
189 
190 config ARM_S3C2416_CPUFREQ
191         bool "S3C2416 CPU Frequency scaling support"
192         depends on CPU_S3C2416
193         help
194           This adds the CPUFreq driver for the Samsung S3C2416 and
195           S3C2450 SoC. The S3C2416 supports changing the rate of the
196           armdiv clock source and also entering a so called dynamic
197           voltage scaling mode in which it is possible to reduce the
198           core voltage of the CPU.
199 
200           If in doubt, say N.
201 
202 config ARM_S3C2416_CPUFREQ_VCORESCALE
203         bool "Allow voltage scaling for S3C2416 arm core"
204         depends on ARM_S3C2416_CPUFREQ && REGULATOR
205         help
206           Enable CPU voltage scaling when entering the dvs mode.
207           It uses information gathered through existing hardware and
208           tests but not documented in any datasheet.
209 
210           If in doubt, say N.
211 
212 config ARM_S3C2440_CPUFREQ
213         bool "S3C2440/S3C2442 CPU Frequency scaling support"
214         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
215         select S3C2410_CPUFREQ_UTILS
216         default y
217         help
218           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
219 
220 config ARM_S3C64XX_CPUFREQ
221         bool "Samsung S3C64XX"
222         depends on CPU_S3C6410
223         default y
224         help
225           This adds the CPUFreq driver for Samsung S3C6410 SoC.
226 
227           If in doubt, say N.
228 
229 config ARM_S5PV210_CPUFREQ
230         bool "Samsung S5PV210 and S5PC110"
231         depends on CPU_S5PV210
232         default y
233         help
234           This adds the CPUFreq driver for Samsung S5PV210 and
235           S5PC110 SoCs.
236 
237           If in doubt, say N.
238 
239 config ARM_SA1100_CPUFREQ
240         bool
241 
242 config ARM_SA1110_CPUFREQ
243         bool
244 
245 config ARM_SPEAR_CPUFREQ
246         bool "SPEAr CPUFreq support"
247         depends on PLAT_SPEAR
248         default y
249         help
250           This adds the CPUFreq driver support for SPEAr SOCs.
251 
252 config ARM_TEGRA_CPUFREQ
253         bool "TEGRA CPUFreq support"
254         depends on ARCH_TEGRA
255         default y
256         help
257           This adds the CPUFreq driver support for TEGRA SOCs.
258 
259 config ARM_PXA2xx_CPUFREQ
260         tristate "Intel PXA2xx CPUfreq driver"
261         depends on PXA27x || PXA25x
262         help
263           This add the CPUFreq driver support for Intel PXA2xx SOCs.
264 
265           If in doubt, say N.

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