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_EXYNOS5250_CPUFREQ
  51         bool "SAMSUNG EXYNOS5250"
  52         depends on SOC_EXYNOS5250
  53         depends on ARM_EXYNOS_CPUFREQ
  54         default y
  55         help
  56           This adds the CPUFreq driver for Samsung EXYNOS5250
  57           SoC.
  58
  59           If in doubt, say N.
  60
  61 config ARM_EXYNOS_CPU_FREQ_BOOST_SW
  62         bool "EXYNOS Frequency Overclocking - Software"
  63         depends on ARM_EXYNOS_CPUFREQ && THERMAL
  64         select CPU_FREQ_BOOST_SW
  65         select EXYNOS_THERMAL
  66         help
  67           This driver supports software managed overclocking (BOOST).
  68           It allows usage of special frequencies for Samsung Exynos
  69           processors if thermal conditions are appropriate.
  70
  71           It requires, for safe operation, thermal framework with properly
  72           defined trip points.
  73
  74           If in doubt, say N.
  75
  76 config ARM_EXYNOS5440_CPUFREQ
  77         tristate "SAMSUNG EXYNOS5440"
  78         depends on SOC_EXYNOS5440
  79         depends on HAVE_CLK && OF
  80         select PM_OPP
  81         default y
  82         help
  83           This adds the CPUFreq driver for Samsung EXYNOS5440
  84           SoC. The nature of exynos5440 clock controller is
  85           different than previous exynos controllers so not using
  86           the common exynos framework.
  87
  88           If in doubt, say N.
  89
  90 config ARM_HIGHBANK_CPUFREQ
  91         tristate "Calxeda Highbank-based"
  92         depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
  93         default m
  94         help
  95           This adds the CPUFreq driver for Calxeda Highbank SoC
  96           based boards.
  97
  98           If in doubt, say N.
  99
 100 config ARM_HISI_ACPU_CPUFREQ
 101         tristate "Hisilicon ACPU CPUfreq driver"
 102         depends on ARCH_HISI && CPUFREQ_DT
 103         select PM_OPP
 104         help
 105           This enables the hisilicon ACPU CPUfreq driver.
 106
 107           If in doubt, say N.
 108
 109 config ARM_IMX6Q_CPUFREQ
 110         tristate "Freescale i.MX6 cpufreq support"
 111         depends on ARCH_MXC
 112         depends on REGULATOR_ANATOP
 113         select PM_OPP
 114         help
 115           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
 116
 117           If in doubt, say N.
 118
 119 config ARM_INTEGRATOR
 120         tristate "CPUfreq driver for ARM Integrator CPUs"
 121         depends on ARCH_INTEGRATOR
 122         default y
 123         help
 124           This enables the CPUfreq driver for ARM Integrator CPUs.
 125           If in doubt, say Y.
 126
 127 config ARM_KIRKWOOD_CPUFREQ
 128         def_bool MACH_KIRKWOOD
 129         help
 130           This adds the CPUFreq driver for Marvell Kirkwood
 131           SoCs.
 132
 133 config ARM_OMAP2PLUS_CPUFREQ
 134         bool "TI OMAP2+"
 135         depends on ARCH_OMAP2PLUS
 136         default ARCH_OMAP2PLUS
 137
 138 config ARM_S3C_CPUFREQ
 139         bool
 140         help
 141           Internal configuration node for common cpufreq on Samsung SoC
 142
 143 config ARM_S3C24XX_CPUFREQ
 144         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 145         depends on ARCH_S3C24XX
 146         select ARM_S3C_CPUFREQ
 147         help
 148           This enables the CPUfreq driver for the Samsung S3C24XX family
 149           of CPUs.
 150
 151           For details, take a look at <file:Documentation/cpu-freq>.
 152
 153           If in doubt, say N.
 154
 155 config ARM_S3C24XX_CPUFREQ_DEBUG
 156         bool "Debug CPUfreq Samsung driver core"
 157         depends on ARM_S3C24XX_CPUFREQ
 158         help
 159           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 160
 161 config ARM_S3C24XX_CPUFREQ_IODEBUG
 162         bool "Debug CPUfreq Samsung driver IO timing"
 163         depends on ARM_S3C24XX_CPUFREQ
 164         help
 165           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 166
 167 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 168         bool "Export debugfs for CPUFreq"
 169         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 170         help
 171           Export status information via debugfs.
 172
 173 config ARM_S3C2410_CPUFREQ
 174         bool
 175         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 176         select S3C2410_CPUFREQ_UTILS
 177         help
 178           CPU Frequency scaling support for S3C2410
 179
 180 config ARM_S3C2412_CPUFREQ
 181         bool
 182         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 183         default y
 184         select S3C2412_IOTIMING
 185         help
 186           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 187
 188 config ARM_S3C2416_CPUFREQ
 189         bool "S3C2416 CPU Frequency scaling support"
 190         depends on CPU_S3C2416
 191         help
 192           This adds the CPUFreq driver for the Samsung S3C2416 and
 193           S3C2450 SoC. The S3C2416 supports changing the rate of the
 194           armdiv clock source and also entering a so called dynamic
 195           voltage scaling mode in which it is possible to reduce the
 196           core voltage of the CPU.
 197
 198           If in doubt, say N.
 199
 200 config ARM_S3C2416_CPUFREQ_VCORESCALE
 201         bool "Allow voltage scaling for S3C2416 arm core"
 202         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 203         help
 204           Enable CPU voltage scaling when entering the dvs mode.
 205           It uses information gathered through existing hardware and
 206           tests but not documented in any datasheet.
 207
 208           If in doubt, say N.
 209
 210 config ARM_S3C2440_CPUFREQ
 211         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 212         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 213         select S3C2410_CPUFREQ_UTILS
 214         default y
 215         help
 216           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 217
 218 config ARM_S3C64XX_CPUFREQ
 219         bool "Samsung S3C64XX"
 220         depends on CPU_S3C6410
 221         default y
 222         help
 223           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 224
 225           If in doubt, say N.
 226
 227 config ARM_S5PV210_CPUFREQ
 228         bool "Samsung S5PV210 and S5PC110"
 229         depends on CPU_S5PV210
 230         default y
 231         help
 232           This adds the CPUFreq driver for Samsung S5PV210 and
 233           S5PC110 SoCs.
 234
 235           If in doubt, say N.
 236
 237 config ARM_SA1100_CPUFREQ
 238         bool
 239
 240 config ARM_SA1110_CPUFREQ
 241         bool
 242
 243 config ARM_SPEAR_CPUFREQ
 244         bool "SPEAr CPUFreq support"
 245         depends on PLAT_SPEAR
 246         default y
 247         help
 248           This adds the CPUFreq driver support for SPEAr SOCs.
 249
 250 config ARM_TEGRA20_CPUFREQ
 251         bool "Tegra20 CPUFreq support"
 252         depends on ARCH_TEGRA
 253         default y
 254         help
 255           This adds the CPUFreq driver support for Tegra20 SOCs.
 256
 257 config ARM_PXA2xx_CPUFREQ
 258         tristate "Intel PXA2xx CPUfreq driver"
 259         depends on PXA27x || PXA25x
 260         help
 261           This add the CPUFreq driver support for Intel PXA2xx SOCs.
 262
 263           If in doubt, say N.