drivers/cpufreq/Kconfig.arm

   1 #
   2 # ARM CPU Frequency scaling drivers
   3 #
   4
   5 config ARM_BIG_LITTLE_CPUFREQ
   6         tristate "Generic ARM big LITTLE CPUfreq driver"
   7         depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
   8         select PM_OPP
   9         help
  10           This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
  11
  12 config ARM_DT_BL_CPUFREQ
  13         tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
  14         depends on ARM_BIG_LITTLE_CPUFREQ && OF
  15         help
  16           This enables probing via DT for Generic CPUfreq driver for ARM
  17           big.LITTLE platform. This gets frequency tables from DT.
  18
  19 config ARM_EXYNOS_CPUFREQ
  20         bool
  21
  22 config ARM_EXYNOS4210_CPUFREQ
  23         bool "SAMSUNG EXYNOS4210"
  24         depends on CPU_EXYNOS4210
  25         default y
  26         select ARM_EXYNOS_CPUFREQ
  27         help
  28           This adds the CPUFreq driver for Samsung EXYNOS4210
  29           SoC (S5PV310 or S5PC210).
  30
  31           If in doubt, say N.
  32
  33 config ARM_EXYNOS4X12_CPUFREQ
  34         bool "SAMSUNG EXYNOS4x12"
  35         depends on (SOC_EXYNOS4212 || SOC_EXYNOS4412)
  36         default y
  37         select ARM_EXYNOS_CPUFREQ
  38         help
  39           This adds the CPUFreq driver for Samsung EXYNOS4X12
  40           SoC (EXYNOS4212 or EXYNOS4412).
  41
  42           If in doubt, say N.
  43
  44 config ARM_EXYNOS5250_CPUFREQ
  45         bool "SAMSUNG EXYNOS5250"
  46         depends on SOC_EXYNOS5250
  47         default y
  48         select ARM_EXYNOS_CPUFREQ
  49         help
  50           This adds the CPUFreq driver for Samsung EXYNOS5250
  51           SoC.
  52
  53           If in doubt, say N.
  54
  55 config ARM_EXYNOS5440_CPUFREQ
  56         bool "SAMSUNG EXYNOS5440"
  57         depends on SOC_EXYNOS5440
  58         depends on HAVE_CLK && OF
  59         select PM_OPP
  60         default y
  61         help
  62           This adds the CPUFreq driver for Samsung EXYNOS5440
  63           SoC. The nature of exynos5440 clock controller is
  64           different than previous exynos controllers so not using
  65           the common exynos framework.
  66
  67           If in doubt, say N.
  68
  69 config ARM_EXYNOS_CPU_FREQ_BOOST_SW
  70         bool "EXYNOS Frequency Overclocking - Software"
  71         depends on ARM_EXYNOS_CPUFREQ
  72         select CPU_FREQ_BOOST_SW
  73         select EXYNOS_THERMAL
  74         help
  75           This driver supports software managed overclocking (BOOST).
  76           It allows usage of special frequencies for Samsung Exynos
  77           processors if thermal conditions are appropriate.
  78
  79           It reguires, for safe operation, thermal framework with properly
  80           defined trip points.
  81
  82           If in doubt, say N.
  83
  84 config ARM_HIGHBANK_CPUFREQ
  85         tristate "Calxeda Highbank-based"
  86         depends on ARCH_HIGHBANK
  87         select GENERIC_CPUFREQ_CPU0
  88         select PM_OPP
  89         select REGULATOR
  90
  91         default m
  92         help
  93           This adds the CPUFreq driver for Calxeda Highbank SoC
  94           based boards.
  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         help
 103           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
 104
 105           If in doubt, say N.
 106
 107 config ARM_INTEGRATOR
 108         tristate "CPUfreq driver for ARM Integrator CPUs"
 109         depends on ARCH_INTEGRATOR
 110         default y
 111         help
 112           This enables the CPUfreq driver for ARM Integrator CPUs.
 113           If in doubt, say Y.
 114
 115 config ARM_KIRKWOOD_CPUFREQ
 116         def_bool ARCH_KIRKWOOD && OF
 117         help
 118           This adds the CPUFreq driver for Marvell Kirkwood
 119           SoCs.
 120
 121 config ARM_OMAP2PLUS_CPUFREQ
 122         bool "TI OMAP2+"
 123         depends on ARCH_OMAP2PLUS
 124         default ARCH_OMAP2PLUS
 125
 126 config ARM_S3C_CPUFREQ
 127         bool
 128         help
 129           Internal configuration node for common cpufreq on Samsung SoC
 130
 131 config ARM_S3C24XX_CPUFREQ
 132         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 133         depends on ARCH_S3C24XX
 134         select ARM_S3C_CPUFREQ
 135         help
 136           This enables the CPUfreq driver for the Samsung S3C24XX family
 137           of CPUs.
 138
 139           For details, take a look at <file:Documentation/cpu-freq>.
 140
 141           If in doubt, say N.
 142
 143 config ARM_S3C24XX_CPUFREQ_DEBUG
 144         bool "Debug CPUfreq Samsung driver core"
 145         depends on ARM_S3C24XX_CPUFREQ
 146         help
 147           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 148
 149 config ARM_S3C24XX_CPUFREQ_IODEBUG
 150         bool "Debug CPUfreq Samsung driver IO timing"
 151         depends on ARM_S3C24XX_CPUFREQ
 152         help
 153           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 154
 155 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 156         bool "Export debugfs for CPUFreq"
 157         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 158         help
 159           Export status information via debugfs.
 160
 161 config ARM_S3C2410_CPUFREQ
 162         bool
 163         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 164         select S3C2410_CPUFREQ_UTILS
 165         help
 166           CPU Frequency scaling support for S3C2410
 167
 168 config ARM_S3C2412_CPUFREQ
 169         bool
 170         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 171         default y
 172         select S3C2412_IOTIMING
 173         help
 174           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 175
 176 config ARM_S3C2416_CPUFREQ
 177         bool "S3C2416 CPU Frequency scaling support"
 178         depends on CPU_S3C2416
 179         help
 180           This adds the CPUFreq driver for the Samsung S3C2416 and
 181           S3C2450 SoC. The S3C2416 supports changing the rate of the
 182           armdiv clock source and also entering a so called dynamic
 183           voltage scaling mode in which it is possible to reduce the
 184           core voltage of the cpu.
 185
 186           If in doubt, say N.
 187
 188 config ARM_S3C2416_CPUFREQ_VCORESCALE
 189         bool "Allow voltage scaling for S3C2416 arm core"
 190         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 191         help
 192           Enable CPU voltage scaling when entering the dvs mode.
 193           It uses information gathered through existing hardware and
 194           tests but not documented in any datasheet.
 195
 196           If in doubt, say N.
 197
 198 config ARM_S3C2440_CPUFREQ
 199         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 200         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 201         select S3C2410_CPUFREQ_UTILS
 202         default y
 203         help
 204           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 205
 206 config ARM_S3C64XX_CPUFREQ
 207         bool "Samsung S3C64XX"
 208         depends on CPU_S3C6410
 209         default y
 210         help
 211           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 212
 213           If in doubt, say N.
 214
 215 config ARM_S5PV210_CPUFREQ
 216         bool "Samsung S5PV210 and S5PC110"
 217         depends on CPU_S5PV210
 218         default y
 219         help
 220           This adds the CPUFreq driver for Samsung S5PV210 and
 221           S5PC110 SoCs.
 222
 223           If in doubt, say N.
 224
 225 config ARM_SA1100_CPUFREQ
 226         bool
 227
 228 config ARM_SA1110_CPUFREQ
 229         bool
 230
 231 config ARM_SPEAR_CPUFREQ
 232         bool "SPEAr CPUFreq support"
 233         depends on PLAT_SPEAR
 234         default y
 235         help
 236           This adds the CPUFreq driver support for SPEAr SOCs.
 237
 238 config ARM_TEGRA_CPUFREQ
 239         bool "TEGRA CPUFreq support"
 240         depends on ARCH_TEGRA
 241         default y
 242         help
 243           This adds the CPUFreq driver support for TEGRA SOCs.
 244
 245 config ARM_VEXPRESS_SPC_CPUFREQ
 246         tristate "Versatile Express SPC based CPUfreq driver"
 247         select ARM_BIG_LITTLE_CPUFREQ
 248         depends on ARCH_VEXPRESS_SPC
 249         help
 250           This add the CPUfreq driver support for Versatile Express
 251           big.LITTLE platforms using SPC for power management.