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_HISI_ACPU_CPUFREQ
 112         tristate "Hisilicon ACPU CPUfreq driver"
 113         depends on ARCH_HISI && CPUFREQ_DT
 114         select PM_OPP
 115         help
 116           This enables the hisilicon ACPU CPUfreq driver.
 117
 118           If in doubt, say N.
 119
 120 config ARM_IMX6Q_CPUFREQ
 121         tristate "Freescale i.MX6 cpufreq support"
 122         depends on ARCH_MXC
 123         depends on REGULATOR_ANATOP
 124         select PM_OPP
 125         help
 126           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
 127
 128           If in doubt, say N.
 129
 130 config ARM_INTEGRATOR
 131         tristate "CPUfreq driver for ARM Integrator CPUs"
 132         depends on ARCH_INTEGRATOR
 133         default y
 134         help
 135           This enables the CPUfreq driver for ARM Integrator CPUs.
 136           If in doubt, say Y.
 137
 138 config ARM_KIRKWOOD_CPUFREQ
 139         def_bool MACH_KIRKWOOD
 140         help
 141           This adds the CPUFreq driver for Marvell Kirkwood
 142           SoCs.
 143
 144 config ARM_OMAP2PLUS_CPUFREQ
 145         bool "TI OMAP2+"
 146         depends on ARCH_OMAP2PLUS
 147         default ARCH_OMAP2PLUS
 148
 149 config ARM_S3C_CPUFREQ
 150         bool
 151         help
 152           Internal configuration node for common cpufreq on Samsung SoC
 153
 154 config ARM_S3C24XX_CPUFREQ
 155         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 156         depends on ARCH_S3C24XX
 157         select ARM_S3C_CPUFREQ
 158         help
 159           This enables the CPUfreq driver for the Samsung S3C24XX family
 160           of CPUs.
 161
 162           For details, take a look at <file:Documentation/cpu-freq>.
 163
 164           If in doubt, say N.
 165
 166 config ARM_S3C24XX_CPUFREQ_DEBUG
 167         bool "Debug CPUfreq Samsung driver core"
 168         depends on ARM_S3C24XX_CPUFREQ
 169         help
 170           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 171
 172 config ARM_S3C24XX_CPUFREQ_IODEBUG
 173         bool "Debug CPUfreq Samsung driver IO timing"
 174         depends on ARM_S3C24XX_CPUFREQ
 175         help
 176           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 177
 178 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 179         bool "Export debugfs for CPUFreq"
 180         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 181         help
 182           Export status information via debugfs.
 183
 184 config ARM_S3C2410_CPUFREQ
 185         bool
 186         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 187         select S3C2410_CPUFREQ_UTILS
 188         help
 189           CPU Frequency scaling support for S3C2410
 190
 191 config ARM_S3C2412_CPUFREQ
 192         bool
 193         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 194         default y
 195         select S3C2412_IOTIMING
 196         help
 197           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 198
 199 config ARM_S3C2416_CPUFREQ
 200         bool "S3C2416 CPU Frequency scaling support"
 201         depends on CPU_S3C2416
 202         help
 203           This adds the CPUFreq driver for the Samsung S3C2416 and
 204           S3C2450 SoC. The S3C2416 supports changing the rate of the
 205           armdiv clock source and also entering a so called dynamic
 206           voltage scaling mode in which it is possible to reduce the
 207           core voltage of the CPU.
 208
 209           If in doubt, say N.
 210
 211 config ARM_S3C2416_CPUFREQ_VCORESCALE
 212         bool "Allow voltage scaling for S3C2416 arm core"
 213         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 214         help
 215           Enable CPU voltage scaling when entering the dvs mode.
 216           It uses information gathered through existing hardware and
 217           tests but not documented in any datasheet.
 218
 219           If in doubt, say N.
 220
 221 config ARM_S3C2440_CPUFREQ
 222         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 223         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 224         select S3C2410_CPUFREQ_UTILS
 225         default y
 226         help
 227           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 228
 229 config ARM_S3C64XX_CPUFREQ
 230         bool "Samsung S3C64XX"
 231         depends on CPU_S3C6410
 232         default y
 233         help
 234           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 235
 236           If in doubt, say N.
 237
 238 config ARM_S5PV210_CPUFREQ
 239         bool "Samsung S5PV210 and S5PC110"
 240         depends on CPU_S5PV210
 241         default y
 242         help
 243           This adds the CPUFreq driver for Samsung S5PV210 and
 244           S5PC110 SoCs.
 245
 246           If in doubt, say N.
 247
 248 config ARM_SA1100_CPUFREQ
 249         bool
 250
 251 config ARM_SA1110_CPUFREQ
 252         bool
 253
 254 config ARM_SPEAR_CPUFREQ
 255         bool "SPEAr CPUFreq support"
 256         depends on PLAT_SPEAR
 257         default y
 258         help
 259           This adds the CPUFreq driver support for SPEAr SOCs.
 260
 261 config ARM_TEGRA_CPUFREQ
 262         bool "TEGRA CPUFreq support"
 263         depends on ARCH_TEGRA
 264         default y
 265         help
 266           This adds the CPUFreq driver support for TEGRA SOCs.
 267
 268 config ARM_PXA2xx_CPUFREQ
 269         tristate "Intel PXA2xx CPUfreq driver"
 270         depends on PXA27x || PXA25x
 271         help
 272           This add the CPUFreq driver support for Intel PXA2xx SOCs.
 273
 274           If in doubt, say N.