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_CPU_TOPOLOGY && PM_OPP && HAVE_CLK
   8         help
   9           This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
  10
  11 config ARM_DT_BL_CPUFREQ
  12         tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
  13         depends on ARM_BIG_LITTLE_CPUFREQ && OF
  14         help
  15           This enables probing via DT for Generic CPUfreq driver for ARM
  16           big.LITTLE platform. This gets frequency tables from DT.
  17
  18 config ARM_EXYNOS_CPUFREQ
  19         bool
  20
  21 config ARM_EXYNOS4210_CPUFREQ
  22         bool "SAMSUNG EXYNOS4210"
  23         depends on CPU_EXYNOS4210
  24         default y
  25         select ARM_EXYNOS_CPUFREQ
  26         help
  27           This adds the CPUFreq driver for Samsung EXYNOS4210
  28           SoC (S5PV310 or S5PC210).
  29
  30           If in doubt, say N.
  31
  32 config ARM_EXYNOS4X12_CPUFREQ
  33         bool "SAMSUNG EXYNOS4x12"
  34         depends on (SOC_EXYNOS4212 || SOC_EXYNOS4412)
  35         default y
  36         select ARM_EXYNOS_CPUFREQ
  37         help
  38           This adds the CPUFreq driver for Samsung EXYNOS4X12
  39           SoC (EXYNOS4212 or EXYNOS4412).
  40
  41           If in doubt, say N.
  42
  43 config ARM_EXYNOS5250_CPUFREQ
  44         bool "SAMSUNG EXYNOS5250"
  45         depends on SOC_EXYNOS5250
  46         default y
  47         select ARM_EXYNOS_CPUFREQ
  48         help
  49           This adds the CPUFreq driver for Samsung EXYNOS5250
  50           SoC.
  51
  52           If in doubt, say N.
  53
  54 config ARM_EXYNOS5440_CPUFREQ
  55         bool "SAMSUNG EXYNOS5440"
  56         depends on SOC_EXYNOS5440
  57         depends on HAVE_CLK && PM_OPP && OF
  58         default y
  59         help
  60           This adds the CPUFreq driver for Samsung EXYNOS5440
  61           SoC. The nature of exynos5440 clock controller is
  62           different than previous exynos controllers so not using
  63           the common exynos framework.
  64
  65           If in doubt, say N.
  66
  67 config ARM_HIGHBANK_CPUFREQ
  68         tristate "Calxeda Highbank-based"
  69         depends on ARCH_HIGHBANK
  70         select GENERIC_CPUFREQ_CPU0
  71         select PM_OPP
  72         select REGULATOR
  73
  74         default m
  75         help
  76           This adds the CPUFreq driver for Calxeda Highbank SoC
  77           based boards.
  78
  79           If in doubt, say N.
  80
  81 config ARM_IMX6Q_CPUFREQ
  82         tristate "Freescale i.MX6Q cpufreq support"
  83         depends on SOC_IMX6Q
  84         depends on REGULATOR_ANATOP
  85         help
  86           This adds cpufreq driver support for Freescale i.MX6Q SOC.
  87
  88           If in doubt, say N.
  89
  90 config ARM_INTEGRATOR
  91         tristate "CPUfreq driver for ARM Integrator CPUs"
  92         depends on ARCH_INTEGRATOR
  93         default y
  94         help
  95           This enables the CPUfreq driver for ARM Integrator CPUs.
  96           If in doubt, say Y.
  97
  98 config ARM_KIRKWOOD_CPUFREQ
  99         def_bool ARCH_KIRKWOOD && OF
 100         help
 101           This adds the CPUFreq driver for Marvell Kirkwood
 102           SoCs.
 103
 104 config ARM_OMAP2PLUS_CPUFREQ
 105         bool "TI OMAP2+"
 106         depends on ARCH_OMAP2PLUS
 107         default ARCH_OMAP2PLUS
 108
 109 config ARM_S3C_CPUFREQ
 110         bool
 111         help
 112           Internal configuration node for common cpufreq on Samsung SoC
 113
 114 config ARM_S3C24XX_CPUFREQ
 115         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 116         depends on ARCH_S3C24XX
 117         select ARM_S3C_CPUFREQ
 118         help
 119           This enables the CPUfreq driver for the Samsung S3C24XX family
 120           of CPUs.
 121
 122           For details, take a look at <file:Documentation/cpu-freq>.
 123
 124           If in doubt, say N.
 125
 126 config ARM_S3C24XX_CPUFREQ_DEBUG
 127         bool "Debug CPUfreq Samsung driver core"
 128         depends on ARM_S3C24XX_CPUFREQ
 129         help
 130           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 131
 132 config ARM_S3C24XX_CPUFREQ_IODEBUG
 133         bool "Debug CPUfreq Samsung driver IO timing"
 134         depends on ARM_S3C24XX_CPUFREQ
 135         help
 136           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 137
 138 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 139         bool "Export debugfs for CPUFreq"
 140         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 141         help
 142           Export status information via debugfs.
 143
 144 config ARM_S3C2410_CPUFREQ
 145         bool
 146         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 147         select S3C2410_CPUFREQ_UTILS
 148         help
 149           CPU Frequency scaling support for S3C2410
 150
 151 config ARM_S3C2412_CPUFREQ
 152         bool
 153         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 154         default y
 155         select S3C2412_IOTIMING
 156         help
 157           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 158
 159 config ARM_S3C2416_CPUFREQ
 160         bool "S3C2416 CPU Frequency scaling support"
 161         depends on CPU_S3C2416
 162         help
 163           This adds the CPUFreq driver for the Samsung S3C2416 and
 164           S3C2450 SoC. The S3C2416 supports changing the rate of the
 165           armdiv clock source and also entering a so called dynamic
 166           voltage scaling mode in which it is possible to reduce the
 167           core voltage of the cpu.
 168
 169           If in doubt, say N.
 170
 171 config ARM_S3C2416_CPUFREQ_VCORESCALE
 172         bool "Allow voltage scaling for S3C2416 arm core"
 173         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 174         help
 175           Enable CPU voltage scaling when entering the dvs mode.
 176           It uses information gathered through existing hardware and
 177           tests but not documented in any datasheet.
 178
 179           If in doubt, say N.
 180
 181 config ARM_S3C2440_CPUFREQ
 182         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 183         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 184         select S3C2410_CPUFREQ_UTILS
 185         default y
 186         help
 187           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 188
 189 config ARM_S3C64XX_CPUFREQ
 190         bool "Samsung S3C64XX"
 191         depends on CPU_S3C6410
 192         default y
 193         help
 194           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 195
 196           If in doubt, say N.
 197
 198 config ARM_S5PV210_CPUFREQ
 199         bool "Samsung S5PV210 and S5PC110"
 200         depends on CPU_S5PV210
 201         default y
 202         help
 203           This adds the CPUFreq driver for Samsung S5PV210 and
 204           S5PC110 SoCs.
 205
 206           If in doubt, say N.
 207
 208 config ARM_SA1100_CPUFREQ
 209         bool
 210
 211 config ARM_SA1110_CPUFREQ
 212         bool
 213
 214 config ARM_SPEAR_CPUFREQ
 215         bool "SPEAr CPUFreq support"
 216         depends on PLAT_SPEAR
 217         default y
 218         help
 219           This adds the CPUFreq driver support for SPEAr SOCs.
 220
 221 config ARM_TEGRA_CPUFREQ
 222         bool "TEGRA CPUFreq support"
 223         depends on ARCH_TEGRA
 224         default y
 225         help
 226           This adds the CPUFreq driver support for TEGRA SOCs.
 227
 228 config ARM_VEXPRESS_SPC_CPUFREQ
 229         tristate "Versatile Express SPC based CPUfreq driver"
 230         select ARM_BIG_LITTLE_CPUFREQ
 231         depends on ARCH_VEXPRESS_SPC
 232         help
 233           This add the CPUfreq driver support for Versatile Express
 234           big.LITTLE platforms using SPC for power management.