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Linux/drivers/cpufreq/Kconfig.arm

  1 #
  2 # ARM CPU Frequency scaling drivers
  3 #
  4 
  5 config ARM_BIG_LITTLE_CPUFREQ
  6         tristate "Generic ARM big LITTLE CPUfreq driver"
  7         depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
  8         select PM_OPP
  9         help
 10           This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
 11 
 12 config ARM_DT_BL_CPUFREQ
 13         tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
 14         depends on ARM_BIG_LITTLE_CPUFREQ && OF
 15         help
 16           This enables probing via DT for Generic CPUfreq driver for ARM
 17           big.LITTLE platform. This gets frequency tables from DT.
 18 
 19 config ARM_EXYNOS_CPUFREQ
 20         bool
 21 
 22 config ARM_EXYNOS4210_CPUFREQ
 23         bool "SAMSUNG EXYNOS4210"
 24         depends on CPU_EXYNOS4210
 25         default y
 26         select ARM_EXYNOS_CPUFREQ
 27         help
 28           This adds the CPUFreq driver for Samsung EXYNOS4210
 29           SoC (S5PV310 or S5PC210).
 30 
 31           If in doubt, say N.
 32 
 33 config ARM_EXYNOS4X12_CPUFREQ
 34         bool "SAMSUNG EXYNOS4x12"
 35         depends on (SOC_EXYNOS4212 || SOC_EXYNOS4412)
 36         default y
 37         select ARM_EXYNOS_CPUFREQ
 38         help
 39           This adds the CPUFreq driver for Samsung EXYNOS4X12
 40           SoC (EXYNOS4212 or EXYNOS4412).
 41 
 42           If in doubt, say N.
 43 
 44 config ARM_EXYNOS5250_CPUFREQ
 45         bool "SAMSUNG EXYNOS5250"
 46         depends on SOC_EXYNOS5250
 47         default y
 48         select ARM_EXYNOS_CPUFREQ
 49         help
 50           This adds the CPUFreq driver for Samsung EXYNOS5250
 51           SoC.
 52 
 53           If in doubt, say N.
 54 
 55 config ARM_EXYNOS5440_CPUFREQ
 56         bool "SAMSUNG EXYNOS5440"
 57         depends on SOC_EXYNOS5440
 58         depends on HAVE_CLK && OF
 59         select PM_OPP
 60         default y
 61         help
 62           This adds the CPUFreq driver for Samsung EXYNOS5440
 63           SoC. The nature of exynos5440 clock controller is
 64           different than previous exynos controllers so not using
 65           the common exynos framework.
 66 
 67           If in doubt, say N.
 68 
 69 config ARM_EXYNOS_CPU_FREQ_BOOST_SW
 70         bool "EXYNOS Frequency Overclocking - Software"
 71         depends on ARM_EXYNOS_CPUFREQ
 72         select CPU_FREQ_BOOST_SW
 73         select EXYNOS_THERMAL
 74         help
 75           This driver supports software managed overclocking (BOOST).
 76           It allows usage of special frequencies for Samsung Exynos
 77           processors if thermal conditions are appropriate.
 78 
 79           It reguires, for safe operation, thermal framework with properly
 80           defined trip points.
 81 
 82           If in doubt, say N.
 83 
 84 config ARM_HIGHBANK_CPUFREQ
 85         tristate "Calxeda Highbank-based"
 86         depends on ARCH_HIGHBANK
 87         select GENERIC_CPUFREQ_CPU0
 88         select PM_OPP
 89         select REGULATOR
 90 
 91         default m
 92         help
 93           This adds the CPUFreq driver for Calxeda Highbank SoC
 94           based boards.
 95 
 96           If in doubt, say N.
 97 
 98 config ARM_IMX6Q_CPUFREQ
 99         tristate "Freescale i.MX6 cpufreq support"
100         depends on ARCH_MXC
101         depends on REGULATOR_ANATOP
102         help
103           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
104 
105           If in doubt, say N.
106 
107 config ARM_INTEGRATOR
108         tristate "CPUfreq driver for ARM Integrator CPUs"
109         depends on ARCH_INTEGRATOR
110         default y
111         help
112           This enables the CPUfreq driver for ARM Integrator CPUs.
113           If in doubt, say Y.
114 
115 config ARM_KIRKWOOD_CPUFREQ
116         def_bool ARCH_KIRKWOOD && OF
117         help
118           This adds the CPUFreq driver for Marvell Kirkwood
119           SoCs.
120 
121 config ARM_OMAP2PLUS_CPUFREQ
122         bool "TI OMAP2+"
123         depends on ARCH_OMAP2PLUS
124         default ARCH_OMAP2PLUS
125 
126 config ARM_S3C_CPUFREQ
127         bool
128         help
129           Internal configuration node for common cpufreq on Samsung SoC
130 
131 config ARM_S3C24XX_CPUFREQ
132         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
133         depends on ARCH_S3C24XX
134         select ARM_S3C_CPUFREQ
135         help
136           This enables the CPUfreq driver for the Samsung S3C24XX family
137           of CPUs.
138 
139           For details, take a look at <file:Documentation/cpu-freq>.
140 
141           If in doubt, say N.
142 
143 config ARM_S3C24XX_CPUFREQ_DEBUG
144         bool "Debug CPUfreq Samsung driver core"
145         depends on ARM_S3C24XX_CPUFREQ
146         help
147           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
148 
149 config ARM_S3C24XX_CPUFREQ_IODEBUG
150         bool "Debug CPUfreq Samsung driver IO timing"
151         depends on ARM_S3C24XX_CPUFREQ
152         help
153           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
154 
155 config ARM_S3C24XX_CPUFREQ_DEBUGFS
156         bool "Export debugfs for CPUFreq"
157         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
158         help
159           Export status information via debugfs.
160 
161 config ARM_S3C2410_CPUFREQ
162         bool
163         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
164         select S3C2410_CPUFREQ_UTILS
165         help
166           CPU Frequency scaling support for S3C2410
167 
168 config ARM_S3C2412_CPUFREQ
169         bool
170         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
171         default y
172         select S3C2412_IOTIMING
173         help
174           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
175 
176 config ARM_S3C2416_CPUFREQ
177         bool "S3C2416 CPU Frequency scaling support"
178         depends on CPU_S3C2416
179         help
180           This adds the CPUFreq driver for the Samsung S3C2416 and
181           S3C2450 SoC. The S3C2416 supports changing the rate of the
182           armdiv clock source and also entering a so called dynamic
183           voltage scaling mode in which it is possible to reduce the
184           core voltage of the cpu.
185 
186           If in doubt, say N.
187 
188 config ARM_S3C2416_CPUFREQ_VCORESCALE
189         bool "Allow voltage scaling for S3C2416 arm core"
190         depends on ARM_S3C2416_CPUFREQ && REGULATOR
191         help
192           Enable CPU voltage scaling when entering the dvs mode.
193           It uses information gathered through existing hardware and
194           tests but not documented in any datasheet.
195 
196           If in doubt, say N.
197 
198 config ARM_S3C2440_CPUFREQ
199         bool "S3C2440/S3C2442 CPU Frequency scaling support"
200         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
201         select S3C2410_CPUFREQ_UTILS
202         default y
203         help
204           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
205 
206 config ARM_S3C64XX_CPUFREQ
207         bool "Samsung S3C64XX"
208         depends on CPU_S3C6410
209         default y
210         help
211           This adds the CPUFreq driver for Samsung S3C6410 SoC.
212 
213           If in doubt, say N.
214 
215 config ARM_S5PV210_CPUFREQ
216         bool "Samsung S5PV210 and S5PC110"
217         depends on CPU_S5PV210
218         default y
219         help
220           This adds the CPUFreq driver for Samsung S5PV210 and
221           S5PC110 SoCs.
222 
223           If in doubt, say N.
224 
225 config ARM_SA1100_CPUFREQ
226         bool
227 
228 config ARM_SA1110_CPUFREQ
229         bool
230 
231 config ARM_SPEAR_CPUFREQ
232         bool "SPEAr CPUFreq support"
233         depends on PLAT_SPEAR
234         default y
235         help
236           This adds the CPUFreq driver support for SPEAr SOCs.
237 
238 config ARM_TEGRA_CPUFREQ
239         bool "TEGRA CPUFreq support"
240         depends on ARCH_TEGRA
241         default y
242         help
243           This adds the CPUFreq driver support for TEGRA SOCs.
244 
245 config ARM_VEXPRESS_SPC_CPUFREQ
246         tristate "Versatile Express SPC based CPUfreq driver"
247         select ARM_BIG_LITTLE_CPUFREQ
248         depends on ARCH_VEXPRESS_SPC
249         help
250           This add the CPUfreq driver support for Versatile Express
251           big.LITTLE platforms using SPC for power management.

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