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         bool
  30
  31 config ARM_EXYNOS4210_CPUFREQ
  32         bool "SAMSUNG EXYNOS4210"
  33         depends on CPU_EXYNOS4210
  34         default y
  35         select ARM_EXYNOS_CPUFREQ
  36         help
  37           This adds the CPUFreq driver for Samsung EXYNOS4210
  38           SoC (S5PV310 or S5PC210).
  39
  40           If in doubt, say N.
  41
  42 config ARM_EXYNOS4X12_CPUFREQ
  43         bool "SAMSUNG EXYNOS4x12"
  44         depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
  45         default y
  46         select ARM_EXYNOS_CPUFREQ
  47         help
  48           This adds the CPUFreq driver for Samsung EXYNOS4X12
  49           SoC (EXYNOS4212 or EXYNOS4412).
  50
  51           If in doubt, say N.
  52
  53 config ARM_EXYNOS5250_CPUFREQ
  54         bool "SAMSUNG EXYNOS5250"
  55         depends on SOC_EXYNOS5250
  56         default y
  57         select ARM_EXYNOS_CPUFREQ
  58         help
  59           This adds the CPUFreq driver for Samsung EXYNOS5250
  60           SoC.
  61
  62           If in doubt, say N.
  63
  64 config ARM_EXYNOS5440_CPUFREQ
  65         bool "SAMSUNG EXYNOS5440"
  66         depends on SOC_EXYNOS5440
  67         depends on HAVE_CLK && OF
  68         select PM_OPP
  69         default y
  70         help
  71           This adds the CPUFreq driver for Samsung EXYNOS5440
  72           SoC. The nature of exynos5440 clock controller is
  73           different than previous exynos controllers so not using
  74           the common exynos framework.
  75
  76           If in doubt, say N.
  77
  78 config ARM_EXYNOS_CPU_FREQ_BOOST_SW
  79         bool "EXYNOS Frequency Overclocking - Software"
  80         depends on ARM_EXYNOS_CPUFREQ && THERMAL
  81         select CPU_FREQ_BOOST_SW
  82         select EXYNOS_THERMAL
  83         help
  84           This driver supports software managed overclocking (BOOST).
  85           It allows usage of special frequencies for Samsung Exynos
  86           processors if thermal conditions are appropriate.
  87
  88           It requires, for safe operation, thermal framework with properly
  89           defined trip points.
  90
  91           If in doubt, say N.
  92
  93 config ARM_HIGHBANK_CPUFREQ
  94         tristate "Calxeda Highbank-based"
  95         depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
  96         default m
  97         help
  98           This adds the CPUFreq driver for Calxeda Highbank SoC
  99           based boards.
 100
 101           If in doubt, say N.
 102
 103 config ARM_IMX6Q_CPUFREQ
 104         tristate "Freescale i.MX6 cpufreq support"
 105         depends on ARCH_MXC
 106         depends on REGULATOR_ANATOP
 107         select PM_OPP
 108         help
 109           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
 110
 111           If in doubt, say N.
 112
 113 config ARM_INTEGRATOR
 114         tristate "CPUfreq driver for ARM Integrator CPUs"
 115         depends on ARCH_INTEGRATOR
 116         default y
 117         help
 118           This enables the CPUfreq driver for ARM Integrator CPUs.
 119           If in doubt, say Y.
 120
 121 config ARM_KIRKWOOD_CPUFREQ
 122         def_bool MACH_KIRKWOOD
 123         help
 124           This adds the CPUFreq driver for Marvell Kirkwood
 125           SoCs.
 126
 127 config ARM_OMAP2PLUS_CPUFREQ
 128         bool "TI OMAP2+"
 129         depends on ARCH_OMAP2PLUS
 130         default ARCH_OMAP2PLUS
 131
 132 config ARM_S3C_CPUFREQ
 133         bool
 134         help
 135           Internal configuration node for common cpufreq on Samsung SoC
 136
 137 config ARM_S3C24XX_CPUFREQ
 138         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 139         depends on ARCH_S3C24XX
 140         select ARM_S3C_CPUFREQ
 141         help
 142           This enables the CPUfreq driver for the Samsung S3C24XX family
 143           of CPUs.
 144
 145           For details, take a look at <file:Documentation/cpu-freq>.
 146
 147           If in doubt, say N.
 148
 149 config ARM_S3C24XX_CPUFREQ_DEBUG
 150         bool "Debug CPUfreq Samsung driver core"
 151         depends on ARM_S3C24XX_CPUFREQ
 152         help
 153           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 154
 155 config ARM_S3C24XX_CPUFREQ_IODEBUG
 156         bool "Debug CPUfreq Samsung driver IO timing"
 157         depends on ARM_S3C24XX_CPUFREQ
 158         help
 159           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 160
 161 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 162         bool "Export debugfs for CPUFreq"
 163         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 164         help
 165           Export status information via debugfs.
 166
 167 config ARM_S3C2410_CPUFREQ
 168         bool
 169         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 170         select S3C2410_CPUFREQ_UTILS
 171         help
 172           CPU Frequency scaling support for S3C2410
 173
 174 config ARM_S3C2412_CPUFREQ
 175         bool
 176         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 177         default y
 178         select S3C2412_IOTIMING
 179         help
 180           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 181
 182 config ARM_S3C2416_CPUFREQ
 183         bool "S3C2416 CPU Frequency scaling support"
 184         depends on CPU_S3C2416
 185         help
 186           This adds the CPUFreq driver for the Samsung S3C2416 and
 187           S3C2450 SoC. The S3C2416 supports changing the rate of the
 188           armdiv clock source and also entering a so called dynamic
 189           voltage scaling mode in which it is possible to reduce the
 190           core voltage of the CPU.
 191
 192           If in doubt, say N.
 193
 194 config ARM_S3C2416_CPUFREQ_VCORESCALE
 195         bool "Allow voltage scaling for S3C2416 arm core"
 196         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 197         help
 198           Enable CPU voltage scaling when entering the dvs mode.
 199           It uses information gathered through existing hardware and
 200           tests but not documented in any datasheet.
 201
 202           If in doubt, say N.
 203
 204 config ARM_S3C2440_CPUFREQ
 205         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 206         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 207         select S3C2410_CPUFREQ_UTILS
 208         default y
 209         help
 210           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 211
 212 config ARM_S3C64XX_CPUFREQ
 213         bool "Samsung S3C64XX"
 214         depends on CPU_S3C6410
 215         default y
 216         help
 217           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 218
 219           If in doubt, say N.
 220
 221 config ARM_S5PV210_CPUFREQ
 222         bool "Samsung S5PV210 and S5PC110"
 223         depends on CPU_S5PV210
 224         default y
 225         help
 226           This adds the CPUFreq driver for Samsung S5PV210 and
 227           S5PC110 SoCs.
 228
 229           If in doubt, say N.
 230
 231 config ARM_SA1100_CPUFREQ
 232         bool
 233
 234 config ARM_SA1110_CPUFREQ
 235         bool
 236
 237 config ARM_SPEAR_CPUFREQ
 238         bool "SPEAr CPUFreq support"
 239         depends on PLAT_SPEAR
 240         default y
 241         help
 242           This adds the CPUFreq driver support for SPEAr SOCs.
 243
 244 config ARM_TEGRA_CPUFREQ
 245         bool "TEGRA CPUFreq support"
 246         depends on ARCH_TEGRA
 247         default y
 248         help
 249           This adds the CPUFreq driver support for TEGRA SOCs.