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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         bool
 30 
 31 config ARM_EXYNOS4210_CPUFREQ
 32         bool "SAMSUNG EXYNOS4210"
 33         depends on CPU_EXYNOS4210
 34         default y
 35         select ARM_EXYNOS_CPUFREQ
 36         help
 37           This adds the CPUFreq driver for Samsung EXYNOS4210
 38           SoC (S5PV310 or S5PC210).
 39 
 40           If in doubt, say N.
 41 
 42 config ARM_EXYNOS4X12_CPUFREQ
 43         bool "SAMSUNG EXYNOS4x12"
 44         depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
 45         default y
 46         select ARM_EXYNOS_CPUFREQ
 47         help
 48           This adds the CPUFreq driver for Samsung EXYNOS4X12
 49           SoC (EXYNOS4212 or EXYNOS4412).
 50 
 51           If in doubt, say N.
 52 
 53 config ARM_EXYNOS5250_CPUFREQ
 54         bool "SAMSUNG EXYNOS5250"
 55         depends on SOC_EXYNOS5250
 56         default y
 57         select ARM_EXYNOS_CPUFREQ
 58         help
 59           This adds the CPUFreq driver for Samsung EXYNOS5250
 60           SoC.
 61 
 62           If in doubt, say N.
 63 
 64 config ARM_EXYNOS5440_CPUFREQ
 65         bool "SAMSUNG EXYNOS5440"
 66         depends on SOC_EXYNOS5440
 67         depends on HAVE_CLK && OF
 68         select PM_OPP
 69         default y
 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 
 76           If in doubt, say N.
 77 
 78 config 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 requires, for safe operation, thermal framework with properly
 89           defined trip points.
 90 
 91           If in doubt, say N.
 92 
 93 config ARM_HIGHBANK_CPUFREQ
 94         tristate "Calxeda Highbank-based"
 95         depends on ARCH_HIGHBANK && GENERIC_CPUFREQ_CPU0 && REGULATOR
 96         default m
 97         help
 98           This adds the CPUFreq driver for Calxeda Highbank SoC
 99           based boards.
100 
101           If in doubt, say N.
102 
103 config ARM_IMX6Q_CPUFREQ
104         tristate "Freescale i.MX6 cpufreq support"
105         depends on ARCH_MXC
106         depends on REGULATOR_ANATOP
107         select PM_OPP
108         help
109           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
110 
111           If in doubt, say N.
112 
113 config ARM_INTEGRATOR
114         tristate "CPUfreq driver for ARM Integrator CPUs"
115         depends on ARCH_INTEGRATOR
116         default y
117         help
118           This enables the CPUfreq driver for ARM Integrator CPUs.
119           If in doubt, say Y.
120 
121 config ARM_KIRKWOOD_CPUFREQ
122         def_bool ARCH_KIRKWOOD || MACH_KIRKWOOD
123         help
124           This adds the CPUFreq driver for Marvell Kirkwood
125           SoCs.
126 
127 config ARM_OMAP2PLUS_CPUFREQ
128         bool "TI OMAP2+"
129         depends on ARCH_OMAP2PLUS
130         default ARCH_OMAP2PLUS
131 
132 config ARM_S3C_CPUFREQ
133         bool
134         help
135           Internal configuration node for common cpufreq on Samsung SoC
136 
137 config ARM_S3C24XX_CPUFREQ
138         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
139         depends on ARCH_S3C24XX
140         select ARM_S3C_CPUFREQ
141         help
142           This enables the CPUfreq driver for the Samsung S3C24XX family
143           of CPUs.
144 
145           For details, take a look at <file:Documentation/cpu-freq>.
146 
147           If in doubt, say N.
148 
149 config ARM_S3C24XX_CPUFREQ_DEBUG
150         bool "Debug CPUfreq Samsung driver core"
151         depends on ARM_S3C24XX_CPUFREQ
152         help
153           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
154 
155 config ARM_S3C24XX_CPUFREQ_IODEBUG
156         bool "Debug CPUfreq Samsung driver IO timing"
157         depends on ARM_S3C24XX_CPUFREQ
158         help
159           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
160 
161 config ARM_S3C24XX_CPUFREQ_DEBUGFS
162         bool "Export debugfs for CPUFreq"
163         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
164         help
165           Export status information via debugfs.
166 
167 config ARM_S3C2410_CPUFREQ
168         bool
169         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
170         select S3C2410_CPUFREQ_UTILS
171         help
172           CPU Frequency scaling support for S3C2410
173 
174 config ARM_S3C2412_CPUFREQ
175         bool
176         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
177         default y
178         select S3C2412_IOTIMING
179         help
180           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
181 
182 config ARM_S3C2416_CPUFREQ
183         bool "S3C2416 CPU Frequency scaling support"
184         depends on CPU_S3C2416
185         help
186           This adds the CPUFreq driver for the Samsung S3C2416 and
187           S3C2450 SoC. The S3C2416 supports changing the rate of the
188           armdiv clock source and also entering a so called dynamic
189           voltage scaling mode in which it is possible to reduce the
190           core voltage of the CPU.
191 
192           If in doubt, say N.
193 
194 config ARM_S3C2416_CPUFREQ_VCORESCALE
195         bool "Allow voltage scaling for S3C2416 arm core"
196         depends on ARM_S3C2416_CPUFREQ && REGULATOR
197         help
198           Enable CPU voltage scaling when entering the dvs mode.
199           It uses information gathered through existing hardware and
200           tests but not documented in any datasheet.
201 
202           If in doubt, say N.
203 
204 config ARM_S3C2440_CPUFREQ
205         bool "S3C2440/S3C2442 CPU Frequency scaling support"
206         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
207         select S3C2410_CPUFREQ_UTILS
208         default y
209         help
210           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
211 
212 config ARM_S3C64XX_CPUFREQ
213         bool "Samsung S3C64XX"
214         depends on CPU_S3C6410
215         default y
216         help
217           This adds the CPUFreq driver for Samsung S3C6410 SoC.
218 
219           If in doubt, say N.
220 
221 config ARM_S5PV210_CPUFREQ
222         bool "Samsung S5PV210 and S5PC110"
223         depends on CPU_S5PV210
224         default y
225         help
226           This adds the CPUFreq driver for Samsung S5PV210 and
227           S5PC110 SoCs.
228 
229           If in doubt, say N.
230 
231 config ARM_SA1100_CPUFREQ
232         bool
233 
234 config ARM_SA1110_CPUFREQ
235         bool
236 
237 config ARM_SPEAR_CPUFREQ
238         bool "SPEAr CPUFreq support"
239         depends on PLAT_SPEAR
240         default y
241         help
242           This adds the CPUFreq driver support for SPEAr SOCs.
243 
244 config ARM_TEGRA_CPUFREQ
245         bool "TEGRA CPUFreq support"
246         depends on ARCH_TEGRA
247         default y
248         help
249           This adds the CPUFreq driver support for TEGRA SOCs.

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