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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_CPU_TOPOLOGY || ARM64) && 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_EXYNOS4X12_CPUFREQ
 40         bool "SAMSUNG EXYNOS4x12"
 41         depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
 42         depends on ARM_EXYNOS_CPUFREQ
 43         default y
 44         help
 45           This adds the CPUFreq driver for Samsung EXYNOS4X12
 46           SoC (EXYNOS4212 or EXYNOS4412).
 47 
 48           If in doubt, say N.
 49 
 50 config ARM_EXYNOS5250_CPUFREQ
 51         bool "SAMSUNG EXYNOS5250"
 52         depends on SOC_EXYNOS5250
 53         depends on ARM_EXYNOS_CPUFREQ
 54         default y
 55         help
 56           This adds the CPUFreq driver for Samsung EXYNOS5250
 57           SoC.
 58 
 59           If in doubt, say N.
 60 
 61 config ARM_EXYNOS_CPU_FREQ_BOOST_SW
 62         bool "EXYNOS Frequency Overclocking - Software"
 63         depends on ARM_EXYNOS_CPUFREQ && THERMAL
 64         select CPU_FREQ_BOOST_SW
 65         select EXYNOS_THERMAL
 66         help
 67           This driver supports software managed overclocking (BOOST).
 68           It allows usage of special frequencies for Samsung Exynos
 69           processors if thermal conditions are appropriate.
 70 
 71           It requires, for safe operation, thermal framework with properly
 72           defined trip points.
 73 
 74           If in doubt, say N.
 75 
 76 config ARM_EXYNOS5440_CPUFREQ
 77         tristate "SAMSUNG EXYNOS5440"
 78         depends on SOC_EXYNOS5440
 79         depends on HAVE_CLK && OF
 80         select PM_OPP
 81         default y
 82         help
 83           This adds the CPUFreq driver for Samsung EXYNOS5440
 84           SoC. The nature of exynos5440 clock controller is
 85           different than previous exynos controllers so not using
 86           the common exynos framework.
 87 
 88           If in doubt, say N.
 89 
 90 config ARM_HIGHBANK_CPUFREQ
 91         tristate "Calxeda Highbank-based"
 92         depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
 93         default m
 94         help
 95           This adds the CPUFreq driver for Calxeda Highbank SoC
 96           based boards.
 97 
 98           If in doubt, say N.
 99 
100 config ARM_HISI_ACPU_CPUFREQ
101         tristate "Hisilicon ACPU CPUfreq driver"
102         depends on ARCH_HISI && CPUFREQ_DT
103         select PM_OPP
104         help
105           This enables the hisilicon ACPU CPUfreq driver.
106 
107           If in doubt, say N.
108 
109 config ARM_IMX6Q_CPUFREQ
110         tristate "Freescale i.MX6 cpufreq support"
111         depends on ARCH_MXC
112         depends on REGULATOR_ANATOP
113         select PM_OPP
114         help
115           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
116 
117           If in doubt, say N.
118 
119 config ARM_INTEGRATOR
120         tristate "CPUfreq driver for ARM Integrator CPUs"
121         depends on ARCH_INTEGRATOR
122         default y
123         help
124           This enables the CPUfreq driver for ARM Integrator CPUs.
125           If in doubt, say Y.
126 
127 config ARM_KIRKWOOD_CPUFREQ
128         def_bool MACH_KIRKWOOD
129         help
130           This adds the CPUFreq driver for Marvell Kirkwood
131           SoCs.
132 
133 config ARM_OMAP2PLUS_CPUFREQ
134         bool "TI OMAP2+"
135         depends on ARCH_OMAP2PLUS
136         default ARCH_OMAP2PLUS
137 
138 config ARM_S3C_CPUFREQ
139         bool
140         help
141           Internal configuration node for common cpufreq on Samsung SoC
142 
143 config ARM_S3C24XX_CPUFREQ
144         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
145         depends on ARCH_S3C24XX
146         select ARM_S3C_CPUFREQ
147         help
148           This enables the CPUfreq driver for the Samsung S3C24XX family
149           of CPUs.
150 
151           For details, take a look at <file:Documentation/cpu-freq>.
152 
153           If in doubt, say N.
154 
155 config ARM_S3C24XX_CPUFREQ_DEBUG
156         bool "Debug CPUfreq Samsung driver core"
157         depends on ARM_S3C24XX_CPUFREQ
158         help
159           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
160 
161 config ARM_S3C24XX_CPUFREQ_IODEBUG
162         bool "Debug CPUfreq Samsung driver IO timing"
163         depends on ARM_S3C24XX_CPUFREQ
164         help
165           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
166 
167 config ARM_S3C24XX_CPUFREQ_DEBUGFS
168         bool "Export debugfs for CPUFreq"
169         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
170         help
171           Export status information via debugfs.
172 
173 config ARM_S3C2410_CPUFREQ
174         bool
175         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
176         select S3C2410_CPUFREQ_UTILS
177         help
178           CPU Frequency scaling support for S3C2410
179 
180 config ARM_S3C2412_CPUFREQ
181         bool
182         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
183         default y
184         select S3C2412_IOTIMING
185         help
186           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
187 
188 config ARM_S3C2416_CPUFREQ
189         bool "S3C2416 CPU Frequency scaling support"
190         depends on CPU_S3C2416
191         help
192           This adds the CPUFreq driver for the Samsung S3C2416 and
193           S3C2450 SoC. The S3C2416 supports changing the rate of the
194           armdiv clock source and also entering a so called dynamic
195           voltage scaling mode in which it is possible to reduce the
196           core voltage of the CPU.
197 
198           If in doubt, say N.
199 
200 config ARM_S3C2416_CPUFREQ_VCORESCALE
201         bool "Allow voltage scaling for S3C2416 arm core"
202         depends on ARM_S3C2416_CPUFREQ && REGULATOR
203         help
204           Enable CPU voltage scaling when entering the dvs mode.
205           It uses information gathered through existing hardware and
206           tests but not documented in any datasheet.
207 
208           If in doubt, say N.
209 
210 config ARM_S3C2440_CPUFREQ
211         bool "S3C2440/S3C2442 CPU Frequency scaling support"
212         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
213         select S3C2410_CPUFREQ_UTILS
214         default y
215         help
216           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
217 
218 config ARM_S3C64XX_CPUFREQ
219         bool "Samsung S3C64XX"
220         depends on CPU_S3C6410
221         default y
222         help
223           This adds the CPUFreq driver for Samsung S3C6410 SoC.
224 
225           If in doubt, say N.
226 
227 config ARM_S5PV210_CPUFREQ
228         bool "Samsung S5PV210 and S5PC110"
229         depends on CPU_S5PV210
230         default y
231         help
232           This adds the CPUFreq driver for Samsung S5PV210 and
233           S5PC110 SoCs.
234 
235           If in doubt, say N.
236 
237 config ARM_SA1100_CPUFREQ
238         bool
239 
240 config ARM_SA1110_CPUFREQ
241         bool
242 
243 config ARM_SPEAR_CPUFREQ
244         bool "SPEAr CPUFreq support"
245         depends on PLAT_SPEAR
246         default y
247         help
248           This adds the CPUFreq driver support for SPEAr SOCs.
249 
250 config ARM_TEGRA_CPUFREQ
251         bool "TEGRA CPUFreq support"
252         depends on ARCH_TEGRA
253         default y
254         help
255           This adds the CPUFreq driver support for TEGRA SOCs.
256 
257 config ARM_PXA2xx_CPUFREQ
258         tristate "Intel PXA2xx CPUfreq driver"
259         depends on PXA27x || PXA25x
260         help
261           This add the CPUFreq driver support for Intel PXA2xx SOCs.
262 
263           If in doubt, say N.

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