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
  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 && GENERIC_CPUFREQ_CPU0 && 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         help
 108           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
 109
 110           If in doubt, say N.
 111
 112 config ARM_INTEGRATOR
 113         tristate "CPUfreq driver for ARM Integrator CPUs"
 114         depends on ARCH_INTEGRATOR
 115         default y
 116         help
 117           This enables the CPUfreq driver for ARM Integrator CPUs.
 118           If in doubt, say Y.
 119
 120 config ARM_KIRKWOOD_CPUFREQ
 121         def_bool MACH_KIRKWOOD
 122         help
 123           This adds the CPUFreq driver for Marvell Kirkwood
 124           SoCs.
 125
 126 config ARM_OMAP2PLUS_CPUFREQ
 127         bool "TI OMAP2+"
 128         depends on ARCH_OMAP2PLUS
 129         default ARCH_OMAP2PLUS
 130
 131 config ARM_S3C_CPUFREQ
 132         bool
 133         help
 134           Internal configuration node for common cpufreq on Samsung SoC
 135
 136 config ARM_S3C24XX_CPUFREQ
 137         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 138         depends on ARCH_S3C24XX
 139         select ARM_S3C_CPUFREQ
 140         help
 141           This enables the CPUfreq driver for the Samsung S3C24XX family
 142           of CPUs.
 143
 144           For details, take a look at <file:Documentation/cpu-freq>.
 145
 146           If in doubt, say N.
 147
 148 config ARM_S3C24XX_CPUFREQ_DEBUG
 149         bool "Debug CPUfreq Samsung driver core"
 150         depends on ARM_S3C24XX_CPUFREQ
 151         help
 152           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 153
 154 config ARM_S3C24XX_CPUFREQ_IODEBUG
 155         bool "Debug CPUfreq Samsung driver IO timing"
 156         depends on ARM_S3C24XX_CPUFREQ
 157         help
 158           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 159
 160 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 161         bool "Export debugfs for CPUFreq"
 162         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 163         help
 164           Export status information via debugfs.
 165
 166 config ARM_S3C2410_CPUFREQ
 167         bool
 168         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 169         select S3C2410_CPUFREQ_UTILS
 170         help
 171           CPU Frequency scaling support for S3C2410
 172
 173 config ARM_S3C2412_CPUFREQ
 174         bool
 175         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 176         default y
 177         select S3C2412_IOTIMING
 178         help
 179           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 180
 181 config ARM_S3C2416_CPUFREQ
 182         bool "S3C2416 CPU Frequency scaling support"
 183         depends on CPU_S3C2416
 184         help
 185           This adds the CPUFreq driver for the Samsung S3C2416 and
 186           S3C2450 SoC. The S3C2416 supports changing the rate of the
 187           armdiv clock source and also entering a so called dynamic
 188           voltage scaling mode in which it is possible to reduce the
 189           core voltage of the CPU.
 190
 191           If in doubt, say N.
 192
 193 config ARM_S3C2416_CPUFREQ_VCORESCALE
 194         bool "Allow voltage scaling for S3C2416 arm core"
 195         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 196         help
 197           Enable CPU voltage scaling when entering the dvs mode.
 198           It uses information gathered through existing hardware and
 199           tests but not documented in any datasheet.
 200
 201           If in doubt, say N.
 202
 203 config ARM_S3C2440_CPUFREQ
 204         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 205         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 206         select S3C2410_CPUFREQ_UTILS
 207         default y
 208         help
 209           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 210
 211 config ARM_S3C64XX_CPUFREQ
 212         bool "Samsung S3C64XX"
 213         depends on CPU_S3C6410
 214         default y
 215         help
 216           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 217
 218           If in doubt, say N.
 219
 220 config ARM_S5PV210_CPUFREQ
 221         bool "Samsung S5PV210 and S5PC110"
 222         depends on CPU_S5PV210
 223         default y
 224         help
 225           This adds the CPUFreq driver for Samsung S5PV210 and
 226           S5PC110 SoCs.
 227
 228           If in doubt, say N.
 229
 230 config ARM_SA1100_CPUFREQ
 231         bool
 232
 233 config ARM_SA1110_CPUFREQ
 234         bool
 235
 236 config ARM_SPEAR_CPUFREQ
 237         bool "SPEAr CPUFreq support"
 238         depends on PLAT_SPEAR
 239         default y
 240         help
 241           This adds the CPUFreq driver support for SPEAr SOCs.
 242
 243 config ARM_TEGRA_CPUFREQ
 244         bool "TEGRA CPUFreq support"
 245         depends on ARCH_TEGRA
 246         default y
 247         help
 248           This adds the CPUFreq driver support for TEGRA SOCs.