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         # if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y
  10         depends on !CPU_THERMAL || THERMAL
  11         select PM_OPP
  12         help
  13           This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
  14
  15 config ARM_DT_BL_CPUFREQ
  16         tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
  17         depends on ARM_BIG_LITTLE_CPUFREQ && OF
  18         help
  19           This enables probing via DT for Generic CPUfreq driver for ARM
  20           big.LITTLE platform. This gets frequency tables from DT.
  21
  22 config ARM_VEXPRESS_SPC_CPUFREQ
  23         tristate "Versatile Express SPC based CPUfreq driver"
  24         depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
  25         help
  26           This add the CPUfreq driver support for Versatile Express
  27           big.LITTLE platforms using SPC for power management.
  28
  29 config ARM_EXYNOS5440_CPUFREQ
  30         tristate "SAMSUNG EXYNOS5440"
  31         depends on SOC_EXYNOS5440
  32         depends on HAVE_CLK && OF
  33         select PM_OPP
  34         default y
  35         help
  36           This adds the CPUFreq driver for Samsung EXYNOS5440
  37           SoC. The nature of exynos5440 clock controller is
  38           different than previous exynos controllers so not using
  39           the common exynos framework.
  40
  41           If in doubt, say N.
  42
  43 config ARM_HIGHBANK_CPUFREQ
  44         tristate "Calxeda Highbank-based"
  45         depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
  46         default m
  47         help
  48           This adds the CPUFreq driver for Calxeda Highbank SoC
  49           based boards.
  50
  51           If in doubt, say N.
  52
  53 config ARM_HISI_ACPU_CPUFREQ
  54         tristate "Hisilicon ACPU CPUfreq driver"
  55         depends on ARCH_HISI && CPUFREQ_DT
  56         select PM_OPP
  57         help
  58           This enables the hisilicon ACPU CPUfreq driver.
  59
  60           If in doubt, say N.
  61
  62 config ARM_IMX6Q_CPUFREQ
  63         tristate "Freescale i.MX6 cpufreq support"
  64         depends on ARCH_MXC
  65         depends on REGULATOR_ANATOP
  66         select PM_OPP
  67         help
  68           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
  69
  70           If in doubt, say N.
  71
  72 config ARM_INTEGRATOR
  73         tristate "CPUfreq driver for ARM Integrator CPUs"
  74         depends on ARCH_INTEGRATOR
  75         default y
  76         help
  77           This enables the CPUfreq driver for ARM Integrator CPUs.
  78           If in doubt, say Y.
  79
  80 config ARM_KIRKWOOD_CPUFREQ
  81         def_bool MACH_KIRKWOOD
  82         help
  83           This adds the CPUFreq driver for Marvell Kirkwood
  84           SoCs.
  85
  86 config ARM_MT8173_CPUFREQ
  87         bool "Mediatek MT8173 CPUFreq support"
  88         depends on ARCH_MEDIATEK && REGULATOR
  89         depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST)
  90         depends on !CPU_THERMAL || THERMAL=y
  91         select PM_OPP
  92         help
  93           This adds the CPUFreq driver support for Mediatek MT8173 SoC.
  94
  95 config ARM_OMAP2PLUS_CPUFREQ
  96         bool "TI OMAP2+"
  97         depends on ARCH_OMAP2PLUS
  98         default ARCH_OMAP2PLUS
  99
 100 config ARM_S3C_CPUFREQ
 101         bool
 102         help
 103           Internal configuration node for common cpufreq on Samsung SoC
 104
 105 config ARM_S3C24XX_CPUFREQ
 106         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 107         depends on ARCH_S3C24XX
 108         select ARM_S3C_CPUFREQ
 109         help
 110           This enables the CPUfreq driver for the Samsung S3C24XX family
 111           of CPUs.
 112
 113           For details, take a look at <file:Documentation/cpu-freq>.
 114
 115           If in doubt, say N.
 116
 117 config ARM_S3C24XX_CPUFREQ_DEBUG
 118         bool "Debug CPUfreq Samsung driver core"
 119         depends on ARM_S3C24XX_CPUFREQ
 120         help
 121           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 122
 123 config ARM_S3C24XX_CPUFREQ_IODEBUG
 124         bool "Debug CPUfreq Samsung driver IO timing"
 125         depends on ARM_S3C24XX_CPUFREQ
 126         help
 127           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 128
 129 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 130         bool "Export debugfs for CPUFreq"
 131         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 132         help
 133           Export status information via debugfs.
 134
 135 config ARM_S3C2410_CPUFREQ
 136         bool
 137         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 138         select S3C2410_CPUFREQ_UTILS
 139         help
 140           CPU Frequency scaling support for S3C2410
 141
 142 config ARM_S3C2412_CPUFREQ
 143         bool
 144         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 145         default y
 146         select S3C2412_IOTIMING
 147         help
 148           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 149
 150 config ARM_S3C2416_CPUFREQ
 151         bool "S3C2416 CPU Frequency scaling support"
 152         depends on CPU_S3C2416
 153         help
 154           This adds the CPUFreq driver for the Samsung S3C2416 and
 155           S3C2450 SoC. The S3C2416 supports changing the rate of the
 156           armdiv clock source and also entering a so called dynamic
 157           voltage scaling mode in which it is possible to reduce the
 158           core voltage of the CPU.
 159
 160           If in doubt, say N.
 161
 162 config ARM_S3C2416_CPUFREQ_VCORESCALE
 163         bool "Allow voltage scaling for S3C2416 arm core"
 164         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 165         help
 166           Enable CPU voltage scaling when entering the dvs mode.
 167           It uses information gathered through existing hardware and
 168           tests but not documented in any datasheet.
 169
 170           If in doubt, say N.
 171
 172 config ARM_S3C2440_CPUFREQ
 173         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 174         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 175         select S3C2410_CPUFREQ_UTILS
 176         default y
 177         help
 178           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 179
 180 config ARM_S3C64XX_CPUFREQ
 181         bool "Samsung S3C64XX"
 182         depends on CPU_S3C6410
 183         default y
 184         help
 185           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 186
 187           If in doubt, say N.
 188
 189 config ARM_S5PV210_CPUFREQ
 190         bool "Samsung S5PV210 and S5PC110"
 191         depends on CPU_S5PV210
 192         default y
 193         help
 194           This adds the CPUFreq driver for Samsung S5PV210 and
 195           S5PC110 SoCs.
 196
 197           If in doubt, say N.
 198
 199 config ARM_SA1100_CPUFREQ
 200         bool
 201
 202 config ARM_SA1110_CPUFREQ
 203         bool
 204
 205 config ARM_SCPI_CPUFREQ
 206         tristate "SCPI based CPUfreq driver"
 207         depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
 208         help
 209           This adds the CPUfreq driver support for ARM big.LITTLE platforms
 210           using SCPI protocol for CPU power management.
 211
 212           This driver uses SCPI Message Protocol driver to interact with the
 213           firmware providing the CPU DVFS functionality.
 214
 215 config ARM_SPEAR_CPUFREQ
 216         bool "SPEAr CPUFreq support"
 217         depends on PLAT_SPEAR
 218         default y
 219         help
 220           This adds the CPUFreq driver support for SPEAr SOCs.
 221
 222 config ARM_STI_CPUFREQ
 223         tristate "STi CPUFreq support"
 224         depends on SOC_STIH407
 225         help
 226           This driver uses the generic OPP framework to match the running
 227           platform with a predefined set of suitable values.  If not provided
 228           we will fall-back so safe-values contained in Device Tree.  Enable
 229           this config option if you wish to add CPUFreq support for STi based
 230           SoCs.
 231
 232 config ARM_TEGRA20_CPUFREQ
 233         bool "Tegra20 CPUFreq support"
 234         depends on ARCH_TEGRA
 235         default y
 236         help
 237           This adds the CPUFreq driver support for Tegra20 SOCs.
 238
 239 config ARM_TEGRA124_CPUFREQ
 240         tristate "Tegra124 CPUFreq support"
 241         depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
 242         default y
 243         help
 244           This adds the CPUFreq driver support for Tegra124 SOCs.
 245
 246 config ARM_PXA2xx_CPUFREQ
 247         tristate "Intel PXA2xx CPUfreq driver"
 248         depends on PXA27x || PXA25x
 249         help
 250           This add the CPUFreq driver support for Intel PXA2xx SOCs.
 251
 252           If in doubt, say N.
 253
 254 config ACPI_CPPC_CPUFREQ
 255         tristate "CPUFreq driver based on the ACPI CPPC spec"
 256         depends on ACPI
 257         select ACPI_CPPC_LIB
 258         default n
 259         help
 260           This adds a CPUFreq driver which uses CPPC methods
 261           as described in the ACPIv5.1 spec. CPPC stands for
 262           Collaborative Processor Performance Controls. It
 263           is based on an abstract continuous scale of CPU
 264           performance values which allows the remote power
 265           processor to flexibly optimize for power and
 266           performance. CPPC relies on power management firmware
 267           support for its operation.
 268
 269           If in doubt, say N.