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 config ARM_EXYNOS5440_CPUFREQ
  28         tristate "SAMSUNG EXYNOS5440"
  29         depends on SOC_EXYNOS5440
  30         depends on HAVE_CLK && OF
  31         select PM_OPP
  32         default y
  33         help
  34           This adds the CPUFreq driver for Samsung EXYNOS5440
  35           SoC. The nature of exynos5440 clock controller is
  36           different than previous exynos controllers so not using
  37           the common exynos framework.
  38
  39           If in doubt, say N.
  40
  41 config ARM_HIGHBANK_CPUFREQ
  42         tristate "Calxeda Highbank-based"
  43         depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
  44         default m
  45         help
  46           This adds the CPUFreq driver for Calxeda Highbank SoC
  47           based boards.
  48
  49           If in doubt, say N.
  50
  51 config ARM_HISI_ACPU_CPUFREQ
  52         tristate "Hisilicon ACPU CPUfreq driver"
  53         depends on ARCH_HISI && CPUFREQ_DT
  54         select PM_OPP
  55         help
  56           This enables the hisilicon ACPU CPUfreq driver.
  57
  58           If in doubt, say N.
  59
  60 config ARM_IMX6Q_CPUFREQ
  61         tristate "Freescale i.MX6 cpufreq support"
  62         depends on ARCH_MXC
  63         depends on REGULATOR_ANATOP
  64         select PM_OPP
  65         help
  66           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
  67
  68           If in doubt, say N.
  69
  70 config ARM_INTEGRATOR
  71         tristate "CPUfreq driver for ARM Integrator CPUs"
  72         depends on ARCH_INTEGRATOR
  73         default y
  74         help
  75           This enables the CPUfreq driver for ARM Integrator CPUs.
  76           If in doubt, say Y.
  77
  78 config ARM_KIRKWOOD_CPUFREQ
  79         def_bool MACH_KIRKWOOD
  80         help
  81           This adds the CPUFreq driver for Marvell Kirkwood
  82           SoCs.
  83
  84 config ARM_MT8173_CPUFREQ
  85         bool "Mediatek MT8173 CPUFreq support"
  86         depends on ARCH_MEDIATEK && REGULATOR
  87         select PM_OPP
  88         help
  89           This adds the CPUFreq driver support for Mediatek MT8173 SoC.
  90
  91 config ARM_OMAP2PLUS_CPUFREQ
  92         bool "TI OMAP2+"
  93         depends on ARCH_OMAP2PLUS
  94         default ARCH_OMAP2PLUS
  95
  96 config ARM_S3C_CPUFREQ
  97         bool
  98         help
  99           Internal configuration node for common cpufreq on Samsung SoC
 100
 101 config ARM_S3C24XX_CPUFREQ
 102         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 103         depends on ARCH_S3C24XX
 104         select ARM_S3C_CPUFREQ
 105         help
 106           This enables the CPUfreq driver for the Samsung S3C24XX family
 107           of CPUs.
 108
 109           For details, take a look at <file:Documentation/cpu-freq>.
 110
 111           If in doubt, say N.
 112
 113 config ARM_S3C24XX_CPUFREQ_DEBUG
 114         bool "Debug CPUfreq Samsung driver core"
 115         depends on ARM_S3C24XX_CPUFREQ
 116         help
 117           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 118
 119 config ARM_S3C24XX_CPUFREQ_IODEBUG
 120         bool "Debug CPUfreq Samsung driver IO timing"
 121         depends on ARM_S3C24XX_CPUFREQ
 122         help
 123           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 124
 125 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 126         bool "Export debugfs for CPUFreq"
 127         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 128         help
 129           Export status information via debugfs.
 130
 131 config ARM_S3C2410_CPUFREQ
 132         bool
 133         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 134         select S3C2410_CPUFREQ_UTILS
 135         help
 136           CPU Frequency scaling support for S3C2410
 137
 138 config ARM_S3C2412_CPUFREQ
 139         bool
 140         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 141         default y
 142         select S3C2412_IOTIMING
 143         help
 144           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 145
 146 config ARM_S3C2416_CPUFREQ
 147         bool "S3C2416 CPU Frequency scaling support"
 148         depends on CPU_S3C2416
 149         help
 150           This adds the CPUFreq driver for the Samsung S3C2416 and
 151           S3C2450 SoC. The S3C2416 supports changing the rate of the
 152           armdiv clock source and also entering a so called dynamic
 153           voltage scaling mode in which it is possible to reduce the
 154           core voltage of the CPU.
 155
 156           If in doubt, say N.
 157
 158 config ARM_S3C2416_CPUFREQ_VCORESCALE
 159         bool "Allow voltage scaling for S3C2416 arm core"
 160         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 161         help
 162           Enable CPU voltage scaling when entering the dvs mode.
 163           It uses information gathered through existing hardware and
 164           tests but not documented in any datasheet.
 165
 166           If in doubt, say N.
 167
 168 config ARM_S3C2440_CPUFREQ
 169         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 170         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 171         select S3C2410_CPUFREQ_UTILS
 172         default y
 173         help
 174           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 175
 176 config ARM_S3C64XX_CPUFREQ
 177         bool "Samsung S3C64XX"
 178         depends on CPU_S3C6410
 179         default y
 180         help
 181           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 182
 183           If in doubt, say N.
 184
 185 config ARM_S5PV210_CPUFREQ
 186         bool "Samsung S5PV210 and S5PC110"
 187         depends on CPU_S5PV210
 188         default y
 189         help
 190           This adds the CPUFreq driver for Samsung S5PV210 and
 191           S5PC110 SoCs.
 192
 193           If in doubt, say N.
 194
 195 config ARM_SA1100_CPUFREQ
 196         bool
 197
 198 config ARM_SA1110_CPUFREQ
 199         bool
 200
 201 config ARM_SPEAR_CPUFREQ
 202         bool "SPEAr CPUFreq support"
 203         depends on PLAT_SPEAR
 204         default y
 205         help
 206           This adds the CPUFreq driver support for SPEAr SOCs.
 207
 208 config ARM_TEGRA20_CPUFREQ
 209         bool "Tegra20 CPUFreq support"
 210         depends on ARCH_TEGRA
 211         default y
 212         help
 213           This adds the CPUFreq driver support for Tegra20 SOCs.
 214
 215 config ARM_TEGRA124_CPUFREQ
 216         tristate "Tegra124 CPUFreq support"
 217         depends on ARCH_TEGRA && CPUFREQ_DT
 218         default y
 219         help
 220           This adds the CPUFreq driver support for Tegra124 SOCs.
 221
 222 config ARM_PXA2xx_CPUFREQ
 223         tristate "Intel PXA2xx CPUfreq driver"
 224         depends on PXA27x || PXA25x
 225         help
 226           This add the CPUFreq driver support for Intel PXA2xx SOCs.
 227
 228           If in doubt, say N.