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_IMX6Q_CPUFREQ
 112         tristate "Freescale i.MX6 cpufreq support"
 113         depends on ARCH_MXC
 114         depends on REGULATOR_ANATOP
 115         select PM_OPP
 116         help
 117           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
 118
 119           If in doubt, say N.
 120
 121 config ARM_INTEGRATOR
 122         tristate "CPUfreq driver for ARM Integrator CPUs"
 123         depends on ARCH_INTEGRATOR
 124         default y
 125         help
 126           This enables the CPUfreq driver for ARM Integrator CPUs.
 127           If in doubt, say Y.
 128
 129 config ARM_KIRKWOOD_CPUFREQ
 130         def_bool MACH_KIRKWOOD
 131         help
 132           This adds the CPUFreq driver for Marvell Kirkwood
 133           SoCs.
 134
 135 config ARM_OMAP2PLUS_CPUFREQ
 136         bool "TI OMAP2+"
 137         depends on ARCH_OMAP2PLUS
 138         default ARCH_OMAP2PLUS
 139
 140 config ARM_S3C_CPUFREQ
 141         bool
 142         help
 143           Internal configuration node for common cpufreq on Samsung SoC
 144
 145 config ARM_S3C24XX_CPUFREQ
 146         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 147         depends on ARCH_S3C24XX
 148         select ARM_S3C_CPUFREQ
 149         help
 150           This enables the CPUfreq driver for the Samsung S3C24XX family
 151           of CPUs.
 152
 153           For details, take a look at <file:Documentation/cpu-freq>.
 154
 155           If in doubt, say N.
 156
 157 config ARM_S3C24XX_CPUFREQ_DEBUG
 158         bool "Debug CPUfreq Samsung driver core"
 159         depends on ARM_S3C24XX_CPUFREQ
 160         help
 161           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 162
 163 config ARM_S3C24XX_CPUFREQ_IODEBUG
 164         bool "Debug CPUfreq Samsung driver IO timing"
 165         depends on ARM_S3C24XX_CPUFREQ
 166         help
 167           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 168
 169 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 170         bool "Export debugfs for CPUFreq"
 171         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 172         help
 173           Export status information via debugfs.
 174
 175 config ARM_S3C2410_CPUFREQ
 176         bool
 177         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 178         select S3C2410_CPUFREQ_UTILS
 179         help
 180           CPU Frequency scaling support for S3C2410
 181
 182 config ARM_S3C2412_CPUFREQ
 183         bool
 184         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 185         default y
 186         select S3C2412_IOTIMING
 187         help
 188           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 189
 190 config ARM_S3C2416_CPUFREQ
 191         bool "S3C2416 CPU Frequency scaling support"
 192         depends on CPU_S3C2416
 193         help
 194           This adds the CPUFreq driver for the Samsung S3C2416 and
 195           S3C2450 SoC. The S3C2416 supports changing the rate of the
 196           armdiv clock source and also entering a so called dynamic
 197           voltage scaling mode in which it is possible to reduce the
 198           core voltage of the CPU.
 199
 200           If in doubt, say N.
 201
 202 config ARM_S3C2416_CPUFREQ_VCORESCALE
 203         bool "Allow voltage scaling for S3C2416 arm core"
 204         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 205         help
 206           Enable CPU voltage scaling when entering the dvs mode.
 207           It uses information gathered through existing hardware and
 208           tests but not documented in any datasheet.
 209
 210           If in doubt, say N.
 211
 212 config ARM_S3C2440_CPUFREQ
 213         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 214         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 215         select S3C2410_CPUFREQ_UTILS
 216         default y
 217         help
 218           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 219
 220 config ARM_S3C64XX_CPUFREQ
 221         bool "Samsung S3C64XX"
 222         depends on CPU_S3C6410
 223         default y
 224         help
 225           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 226
 227           If in doubt, say N.
 228
 229 config ARM_S5PV210_CPUFREQ
 230         bool "Samsung S5PV210 and S5PC110"
 231         depends on CPU_S5PV210
 232         default y
 233         help
 234           This adds the CPUFreq driver for Samsung S5PV210 and
 235           S5PC110 SoCs.
 236
 237           If in doubt, say N.
 238
 239 config ARM_SA1100_CPUFREQ
 240         bool
 241
 242 config ARM_SA1110_CPUFREQ
 243         bool
 244
 245 config ARM_SPEAR_CPUFREQ
 246         bool "SPEAr CPUFreq support"
 247         depends on PLAT_SPEAR
 248         default y
 249         help
 250           This adds the CPUFreq driver support for SPEAr SOCs.
 251
 252 config ARM_TEGRA_CPUFREQ
 253         bool "TEGRA CPUFreq support"
 254         depends on ARCH_TEGRA
 255         default y
 256         help
 257           This adds the CPUFreq driver support for TEGRA SOCs.
 258
 259 config ARM_PXA2xx_CPUFREQ
 260         tristate "Intel PXA2xx CPUfreq driver"
 261         depends on PXA27x || PXA25x
 262         help
 263           This add the CPUFreq driver support for Intel PXA2xx SOCs.
 264
 265           If in doubt, say N.