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_EXYNOS_CPU_FREQ_BOOST_SW
  51         bool "EXYNOS Frequency Overclocking - Software"
  52         depends on ARM_EXYNOS_CPUFREQ && THERMAL
  53         select CPU_FREQ_BOOST_SW
  54         select EXYNOS_THERMAL
  55         help
  56           This driver supports software managed overclocking (BOOST).
  57           It allows usage of special frequencies for Samsung Exynos
  58           processors if thermal conditions are appropriate.
  59
  60           It requires, for safe operation, thermal framework with properly
  61           defined trip points.
  62
  63           If in doubt, say N.
  64
  65 config ARM_EXYNOS5440_CPUFREQ
  66         tristate "SAMSUNG EXYNOS5440"
  67         depends on SOC_EXYNOS5440
  68         depends on HAVE_CLK && OF
  69         select PM_OPP
  70         default y
  71         help
  72           This adds the CPUFreq driver for Samsung EXYNOS5440
  73           SoC. The nature of exynos5440 clock controller is
  74           different than previous exynos controllers so not using
  75           the common exynos framework.
  76
  77           If in doubt, say N.
  78
  79 config ARM_HIGHBANK_CPUFREQ
  80         tristate "Calxeda Highbank-based"
  81         depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
  82         default m
  83         help
  84           This adds the CPUFreq driver for Calxeda Highbank SoC
  85           based boards.
  86
  87           If in doubt, say N.
  88
  89 config ARM_HISI_ACPU_CPUFREQ
  90         tristate "Hisilicon ACPU CPUfreq driver"
  91         depends on ARCH_HISI && CPUFREQ_DT
  92         select PM_OPP
  93         help
  94           This enables the hisilicon ACPU CPUfreq driver.
  95
  96           If in doubt, say N.
  97
  98 config ARM_IMX6Q_CPUFREQ
  99         tristate "Freescale i.MX6 cpufreq support"
 100         depends on ARCH_MXC
 101         depends on REGULATOR_ANATOP
 102         select PM_OPP
 103         help
 104           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
 105
 106           If in doubt, say N.
 107
 108 config ARM_INTEGRATOR
 109         tristate "CPUfreq driver for ARM Integrator CPUs"
 110         depends on ARCH_INTEGRATOR
 111         default y
 112         help
 113           This enables the CPUfreq driver for ARM Integrator CPUs.
 114           If in doubt, say Y.
 115
 116 config ARM_KIRKWOOD_CPUFREQ
 117         def_bool MACH_KIRKWOOD
 118         help
 119           This adds the CPUFreq driver for Marvell Kirkwood
 120           SoCs.
 121
 122 config ARM_OMAP2PLUS_CPUFREQ
 123         bool "TI OMAP2+"
 124         depends on ARCH_OMAP2PLUS
 125         default ARCH_OMAP2PLUS
 126
 127 config ARM_S3C_CPUFREQ
 128         bool
 129         help
 130           Internal configuration node for common cpufreq on Samsung SoC
 131
 132 config ARM_S3C24XX_CPUFREQ
 133         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 134         depends on ARCH_S3C24XX
 135         select ARM_S3C_CPUFREQ
 136         help
 137           This enables the CPUfreq driver for the Samsung S3C24XX family
 138           of CPUs.
 139
 140           For details, take a look at <file:Documentation/cpu-freq>.
 141
 142           If in doubt, say N.
 143
 144 config ARM_S3C24XX_CPUFREQ_DEBUG
 145         bool "Debug CPUfreq Samsung driver core"
 146         depends on ARM_S3C24XX_CPUFREQ
 147         help
 148           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 149
 150 config ARM_S3C24XX_CPUFREQ_IODEBUG
 151         bool "Debug CPUfreq Samsung driver IO timing"
 152         depends on ARM_S3C24XX_CPUFREQ
 153         help
 154           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 155
 156 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 157         bool "Export debugfs for CPUFreq"
 158         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 159         help
 160           Export status information via debugfs.
 161
 162 config ARM_S3C2410_CPUFREQ
 163         bool
 164         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 165         select S3C2410_CPUFREQ_UTILS
 166         help
 167           CPU Frequency scaling support for S3C2410
 168
 169 config ARM_S3C2412_CPUFREQ
 170         bool
 171         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 172         default y
 173         select S3C2412_IOTIMING
 174         help
 175           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 176
 177 config ARM_S3C2416_CPUFREQ
 178         bool "S3C2416 CPU Frequency scaling support"
 179         depends on CPU_S3C2416
 180         help
 181           This adds the CPUFreq driver for the Samsung S3C2416 and
 182           S3C2450 SoC. The S3C2416 supports changing the rate of the
 183           armdiv clock source and also entering a so called dynamic
 184           voltage scaling mode in which it is possible to reduce the
 185           core voltage of the CPU.
 186
 187           If in doubt, say N.
 188
 189 config ARM_S3C2416_CPUFREQ_VCORESCALE
 190         bool "Allow voltage scaling for S3C2416 arm core"
 191         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 192         help
 193           Enable CPU voltage scaling when entering the dvs mode.
 194           It uses information gathered through existing hardware and
 195           tests but not documented in any datasheet.
 196
 197           If in doubt, say N.
 198
 199 config ARM_S3C2440_CPUFREQ
 200         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 201         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 202         select S3C2410_CPUFREQ_UTILS
 203         default y
 204         help
 205           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 206
 207 config ARM_S3C64XX_CPUFREQ
 208         bool "Samsung S3C64XX"
 209         depends on CPU_S3C6410
 210         default y
 211         help
 212           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 213
 214           If in doubt, say N.
 215
 216 config ARM_S5PV210_CPUFREQ
 217         bool "Samsung S5PV210 and S5PC110"
 218         depends on CPU_S5PV210
 219         default y
 220         help
 221           This adds the CPUFreq driver for Samsung S5PV210 and
 222           S5PC110 SoCs.
 223
 224           If in doubt, say N.
 225
 226 config ARM_SA1100_CPUFREQ
 227         bool
 228
 229 config ARM_SA1110_CPUFREQ
 230         bool
 231
 232 config ARM_SPEAR_CPUFREQ
 233         bool "SPEAr CPUFreq support"
 234         depends on PLAT_SPEAR
 235         default y
 236         help
 237           This adds the CPUFreq driver support for SPEAr SOCs.
 238
 239 config ARM_TEGRA_CPUFREQ
 240         bool "TEGRA CPUFreq support"
 241         depends on ARCH_TEGRA
 242         default y
 243         help
 244           This adds the CPUFreq driver support for TEGRA 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.