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_MT8173_CPUFREQ
 134         bool "Mediatek MT8173 CPUFreq support"
 135         depends on ARCH_MEDIATEK && REGULATOR
 136         select PM_OPP
 137         help
 138           This adds the CPUFreq driver support for Mediatek MT8173 SoC.
 139
 140 config ARM_OMAP2PLUS_CPUFREQ
 141         bool "TI OMAP2+"
 142         depends on ARCH_OMAP2PLUS
 143         default ARCH_OMAP2PLUS
 144
 145 config ARM_S3C_CPUFREQ
 146         bool
 147         help
 148           Internal configuration node for common cpufreq on Samsung SoC
 149
 150 config ARM_S3C24XX_CPUFREQ
 151         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 152         depends on ARCH_S3C24XX
 153         select ARM_S3C_CPUFREQ
 154         help
 155           This enables the CPUfreq driver for the Samsung S3C24XX family
 156           of CPUs.
 157
 158           For details, take a look at <file:Documentation/cpu-freq>.
 159
 160           If in doubt, say N.
 161
 162 config ARM_S3C24XX_CPUFREQ_DEBUG
 163         bool "Debug CPUfreq Samsung driver core"
 164         depends on ARM_S3C24XX_CPUFREQ
 165         help
 166           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 167
 168 config ARM_S3C24XX_CPUFREQ_IODEBUG
 169         bool "Debug CPUfreq Samsung driver IO timing"
 170         depends on ARM_S3C24XX_CPUFREQ
 171         help
 172           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 173
 174 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 175         bool "Export debugfs for CPUFreq"
 176         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 177         help
 178           Export status information via debugfs.
 179
 180 config ARM_S3C2410_CPUFREQ
 181         bool
 182         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 183         select S3C2410_CPUFREQ_UTILS
 184         help
 185           CPU Frequency scaling support for S3C2410
 186
 187 config ARM_S3C2412_CPUFREQ
 188         bool
 189         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 190         default y
 191         select S3C2412_IOTIMING
 192         help
 193           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 194
 195 config ARM_S3C2416_CPUFREQ
 196         bool "S3C2416 CPU Frequency scaling support"
 197         depends on CPU_S3C2416
 198         help
 199           This adds the CPUFreq driver for the Samsung S3C2416 and
 200           S3C2450 SoC. The S3C2416 supports changing the rate of the
 201           armdiv clock source and also entering a so called dynamic
 202           voltage scaling mode in which it is possible to reduce the
 203           core voltage of the CPU.
 204
 205           If in doubt, say N.
 206
 207 config ARM_S3C2416_CPUFREQ_VCORESCALE
 208         bool "Allow voltage scaling for S3C2416 arm core"
 209         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 210         help
 211           Enable CPU voltage scaling when entering the dvs mode.
 212           It uses information gathered through existing hardware and
 213           tests but not documented in any datasheet.
 214
 215           If in doubt, say N.
 216
 217 config ARM_S3C2440_CPUFREQ
 218         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 219         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 220         select S3C2410_CPUFREQ_UTILS
 221         default y
 222         help
 223           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 224
 225 config ARM_S3C64XX_CPUFREQ
 226         bool "Samsung S3C64XX"
 227         depends on CPU_S3C6410
 228         default y
 229         help
 230           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 231
 232           If in doubt, say N.
 233
 234 config ARM_S5PV210_CPUFREQ
 235         bool "Samsung S5PV210 and S5PC110"
 236         depends on CPU_S5PV210
 237         default y
 238         help
 239           This adds the CPUFreq driver for Samsung S5PV210 and
 240           S5PC110 SoCs.
 241
 242           If in doubt, say N.
 243
 244 config ARM_SA1100_CPUFREQ
 245         bool
 246
 247 config ARM_SA1110_CPUFREQ
 248         bool
 249
 250 config ARM_SPEAR_CPUFREQ
 251         bool "SPEAr CPUFreq support"
 252         depends on PLAT_SPEAR
 253         default y
 254         help
 255           This adds the CPUFreq driver support for SPEAr SOCs.
 256
 257 config ARM_TEGRA20_CPUFREQ
 258         bool "Tegra20 CPUFreq support"
 259         depends on ARCH_TEGRA
 260         default y
 261         help
 262           This adds the CPUFreq driver support for Tegra20 SOCs.
 263
 264 config ARM_TEGRA124_CPUFREQ
 265         tristate "Tegra124 CPUFreq support"
 266         depends on ARCH_TEGRA && CPUFREQ_DT
 267         default y
 268         help
 269           This adds the CPUFreq driver support for Tegra124 SOCs.
 270
 271 config ARM_PXA2xx_CPUFREQ
 272         tristate "Intel PXA2xx CPUfreq driver"
 273         depends on PXA27x || PXA25x
 274         help
 275           This add the CPUFreq driver support for Intel PXA2xx SOCs.
 276
 277           If in doubt, say N.