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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 && !ARCH_MULTIPLATFORM
 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) && !ARCH_MULTIPLATFORM
 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 && !ARCH_MULTIPLATFORM
 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 reguires, 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         help
108           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
109 
110           If in doubt, say N.
111 
112 config ARM_INTEGRATOR
113         tristate "CPUfreq driver for ARM Integrator CPUs"
114         depends on ARCH_INTEGRATOR
115         default y
116         help
117           This enables the CPUfreq driver for ARM Integrator CPUs.
118           If in doubt, say Y.
119 
120 config ARM_KIRKWOOD_CPUFREQ
121         def_bool MACH_KIRKWOOD
122         help
123           This adds the CPUFreq driver for Marvell Kirkwood
124           SoCs.
125 
126 config ARM_OMAP2PLUS_CPUFREQ
127         bool "TI OMAP2+"
128         depends on ARCH_OMAP2PLUS
129         default ARCH_OMAP2PLUS
130 
131 config ARM_S3C_CPUFREQ
132         bool
133         help
134           Internal configuration node for common cpufreq on Samsung SoC
135 
136 config ARM_S3C24XX_CPUFREQ
137         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
138         depends on ARCH_S3C24XX
139         select ARM_S3C_CPUFREQ
140         help
141           This enables the CPUfreq driver for the Samsung S3C24XX family
142           of CPUs.
143 
144           For details, take a look at <file:Documentation/cpu-freq>.
145 
146           If in doubt, say N.
147 
148 config ARM_S3C24XX_CPUFREQ_DEBUG
149         bool "Debug CPUfreq Samsung driver core"
150         depends on ARM_S3C24XX_CPUFREQ
151         help
152           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
153 
154 config ARM_S3C24XX_CPUFREQ_IODEBUG
155         bool "Debug CPUfreq Samsung driver IO timing"
156         depends on ARM_S3C24XX_CPUFREQ
157         help
158           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
159 
160 config ARM_S3C24XX_CPUFREQ_DEBUGFS
161         bool "Export debugfs for CPUFreq"
162         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
163         help
164           Export status information via debugfs.
165 
166 config ARM_S3C2410_CPUFREQ
167         bool
168         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
169         select S3C2410_CPUFREQ_UTILS
170         help
171           CPU Frequency scaling support for S3C2410
172 
173 config ARM_S3C2412_CPUFREQ
174         bool
175         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
176         default y
177         select S3C2412_IOTIMING
178         help
179           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
180 
181 config ARM_S3C2416_CPUFREQ
182         bool "S3C2416 CPU Frequency scaling support"
183         depends on CPU_S3C2416
184         help
185           This adds the CPUFreq driver for the Samsung S3C2416 and
186           S3C2450 SoC. The S3C2416 supports changing the rate of the
187           armdiv clock source and also entering a so called dynamic
188           voltage scaling mode in which it is possible to reduce the
189           core voltage of the cpu.
190 
191           If in doubt, say N.
192 
193 config ARM_S3C2416_CPUFREQ_VCORESCALE
194         bool "Allow voltage scaling for S3C2416 arm core"
195         depends on ARM_S3C2416_CPUFREQ && REGULATOR
196         help
197           Enable CPU voltage scaling when entering the dvs mode.
198           It uses information gathered through existing hardware and
199           tests but not documented in any datasheet.
200 
201           If in doubt, say N.
202 
203 config ARM_S3C2440_CPUFREQ
204         bool "S3C2440/S3C2442 CPU Frequency scaling support"
205         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
206         select S3C2410_CPUFREQ_UTILS
207         default y
208         help
209           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
210 
211 config ARM_S3C64XX_CPUFREQ
212         bool "Samsung S3C64XX"
213         depends on CPU_S3C6410
214         default y
215         help
216           This adds the CPUFreq driver for Samsung S3C6410 SoC.
217 
218           If in doubt, say N.
219 
220 config ARM_S5PV210_CPUFREQ
221         bool "Samsung S5PV210 and S5PC110"
222         depends on CPU_S5PV210
223         default y
224         help
225           This adds the CPUFreq driver for Samsung S5PV210 and
226           S5PC110 SoCs.
227 
228           If in doubt, say N.
229 
230 config ARM_SA1100_CPUFREQ
231         bool
232 
233 config ARM_SA1110_CPUFREQ
234         bool
235 
236 config ARM_SPEAR_CPUFREQ
237         bool "SPEAr CPUFreq support"
238         depends on PLAT_SPEAR
239         default y
240         help
241           This adds the CPUFreq driver support for SPEAr SOCs.
242 
243 config ARM_TEGRA_CPUFREQ
244         bool "TEGRA CPUFreq support"
245         depends on ARCH_TEGRA
246         default y
247         help
248           This adds the CPUFreq driver support for TEGRA SOCs.

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