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