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 !CPU_THERMAL || THERMAL=y
  88         select PM_OPP
  89         help
  90           This adds the CPUFreq driver support for Mediatek MT8173 SoC.
  91
  92 config ARM_OMAP2PLUS_CPUFREQ
  93         bool "TI OMAP2+"
  94         depends on ARCH_OMAP2PLUS
  95         default ARCH_OMAP2PLUS
  96
  97 config ARM_S3C_CPUFREQ
  98         bool
  99         help
 100           Internal configuration node for common cpufreq on Samsung SoC
 101
 102 config ARM_S3C24XX_CPUFREQ
 103         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 104         depends on ARCH_S3C24XX
 105         select ARM_S3C_CPUFREQ
 106         help
 107           This enables the CPUfreq driver for the Samsung S3C24XX family
 108           of CPUs.
 109
 110           For details, take a look at <file:Documentation/cpu-freq>.
 111
 112           If in doubt, say N.
 113
 114 config ARM_S3C24XX_CPUFREQ_DEBUG
 115         bool "Debug CPUfreq Samsung driver core"
 116         depends on ARM_S3C24XX_CPUFREQ
 117         help
 118           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 119
 120 config ARM_S3C24XX_CPUFREQ_IODEBUG
 121         bool "Debug CPUfreq Samsung driver IO timing"
 122         depends on ARM_S3C24XX_CPUFREQ
 123         help
 124           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 125
 126 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 127         bool "Export debugfs for CPUFreq"
 128         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 129         help
 130           Export status information via debugfs.
 131
 132 config ARM_S3C2410_CPUFREQ
 133         bool
 134         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 135         select S3C2410_CPUFREQ_UTILS
 136         help
 137           CPU Frequency scaling support for S3C2410
 138
 139 config ARM_S3C2412_CPUFREQ
 140         bool
 141         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 142         default y
 143         select S3C2412_IOTIMING
 144         help
 145           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 146
 147 config ARM_S3C2416_CPUFREQ
 148         bool "S3C2416 CPU Frequency scaling support"
 149         depends on CPU_S3C2416
 150         help
 151           This adds the CPUFreq driver for the Samsung S3C2416 and
 152           S3C2450 SoC. The S3C2416 supports changing the rate of the
 153           armdiv clock source and also entering a so called dynamic
 154           voltage scaling mode in which it is possible to reduce the
 155           core voltage of the CPU.
 156
 157           If in doubt, say N.
 158
 159 config ARM_S3C2416_CPUFREQ_VCORESCALE
 160         bool "Allow voltage scaling for S3C2416 arm core"
 161         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 162         help
 163           Enable CPU voltage scaling when entering the dvs mode.
 164           It uses information gathered through existing hardware and
 165           tests but not documented in any datasheet.
 166
 167           If in doubt, say N.
 168
 169 config ARM_S3C2440_CPUFREQ
 170         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 171         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 172         select S3C2410_CPUFREQ_UTILS
 173         default y
 174         help
 175           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 176
 177 config ARM_S3C64XX_CPUFREQ
 178         bool "Samsung S3C64XX"
 179         depends on CPU_S3C6410
 180         default y
 181         help
 182           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 183
 184           If in doubt, say N.
 185
 186 config ARM_S5PV210_CPUFREQ
 187         bool "Samsung S5PV210 and S5PC110"
 188         depends on CPU_S5PV210
 189         default y
 190         help
 191           This adds the CPUFreq driver for Samsung S5PV210 and
 192           S5PC110 SoCs.
 193
 194           If in doubt, say N.
 195
 196 config ARM_SA1100_CPUFREQ
 197         bool
 198
 199 config ARM_SA1110_CPUFREQ
 200         bool
 201
 202 config ARM_SCPI_CPUFREQ
 203         tristate "SCPI based CPUfreq driver"
 204         depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL
 205         help
 206           This adds the CPUfreq driver support for ARM big.LITTLE platforms
 207           using SCPI protocol for CPU power management.
 208
 209           This driver uses SCPI Message Protocol driver to interact with the
 210           firmware providing the CPU DVFS functionality.
 211
 212 config ARM_SPEAR_CPUFREQ
 213         bool "SPEAr CPUFreq support"
 214         depends on PLAT_SPEAR
 215         default y
 216         help
 217           This adds the CPUFreq driver support for SPEAr SOCs.
 218
 219 config ARM_TEGRA20_CPUFREQ
 220         bool "Tegra20 CPUFreq support"
 221         depends on ARCH_TEGRA
 222         default y
 223         help
 224           This adds the CPUFreq driver support for Tegra20 SOCs.
 225
 226 config ARM_TEGRA124_CPUFREQ
 227         tristate "Tegra124 CPUFreq support"
 228         depends on ARCH_TEGRA && CPUFREQ_DT
 229         default y
 230         help
 231           This adds the CPUFreq driver support for Tegra124 SOCs.
 232
 233 config ARM_PXA2xx_CPUFREQ
 234         tristate "Intel PXA2xx CPUfreq driver"
 235         depends on PXA27x || PXA25x
 236         help
 237           This add the CPUFreq driver support for Intel PXA2xx SOCs.
 238
 239           If in doubt, say N.
 240
 241 config ACPI_CPPC_CPUFREQ
 242         tristate "CPUFreq driver based on the ACPI CPPC spec"
 243         depends on ACPI
 244         select ACPI_CPPC_LIB
 245         default n
 246         help
 247           This adds a CPUFreq driver which uses CPPC methods
 248           as described in the ACPIv5.1 spec. CPPC stands for
 249           Collaborative Processor Performance Controls. It
 250           is based on an abstract continuous scale of CPU
 251           performance values which allows the remote power
 252           processor to flexibly optimize for power and
 253           performance. CPPC relies on power management firmware
 254           support for its operation.
 255
 256           If in doubt, say N.