drivers/cpufreq/Kconfig.arm

   1 #
   2 # ARM CPU Frequency scaling drivers
   3 #
   4
   5 config ACPI_CPPC_CPUFREQ
   6         tristate "CPUFreq driver based on the ACPI CPPC spec"
   7         depends on ACPI_PROCESSOR
   8         select ACPI_CPPC_LIB
   9         help
  10           This adds a CPUFreq driver which uses CPPC methods
  11           as described in the ACPIv5.1 spec. CPPC stands for
  12           Collaborative Processor Performance Controls. It
  13           is based on an abstract continuous scale of CPU
  14           performance values which allows the remote power
  15           processor to flexibly optimize for power and
  16           performance. CPPC relies on power management firmware
  17           support for its operation.
  18
  19           If in doubt, say N.
  20
  21 config ARM_ARMADA_37XX_CPUFREQ
  22         tristate "Armada 37xx CPUFreq support"
  23         depends on ARCH_MVEBU && CPUFREQ_DT
  24         help
  25           This adds the CPUFreq driver support for Marvell Armada 37xx SoCs.
  26           The Armada 37xx PMU supports 4 frequency and VDD levels.
  27
  28 # big LITTLE core layer and glue drivers
  29 config ARM_BIG_LITTLE_CPUFREQ
  30         tristate "Generic ARM big LITTLE CPUfreq driver"
  31         depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK
  32         # if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y
  33         depends on !CPU_THERMAL || THERMAL
  34         select PM_OPP
  35         help
  36           This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
  37
  38 config ARM_DT_BL_CPUFREQ
  39         tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
  40         depends on ARM_BIG_LITTLE_CPUFREQ && OF
  41         help
  42           This enables probing via DT for Generic CPUfreq driver for ARM
  43           big.LITTLE platform. This gets frequency tables from DT.
  44
  45 config ARM_SCPI_CPUFREQ
  46         tristate "SCPI based CPUfreq driver"
  47         depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
  48         depends on !CPU_THERMAL || THERMAL
  49         help
  50           This adds the CPUfreq driver support for ARM platforms using SCPI
  51           protocol for CPU power management.
  52
  53           This driver uses SCPI Message Protocol driver to interact with the
  54           firmware providing the CPU DVFS functionality.
  55
  56 config ARM_VEXPRESS_SPC_CPUFREQ
  57         tristate "Versatile Express SPC based CPUfreq driver"
  58         depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
  59         help
  60           This add the CPUfreq driver support for Versatile Express
  61           big.LITTLE platforms using SPC for power management.
  62
  63 config ARM_BRCMSTB_AVS_CPUFREQ
  64         tristate "Broadcom STB AVS CPUfreq driver"
  65         depends on ARCH_BRCMSTB || COMPILE_TEST
  66         default y
  67         help
  68           Some Broadcom STB SoCs use a co-processor running proprietary firmware
  69           ("AVS") to handle voltage and frequency scaling. This driver provides
  70           a standard CPUfreq interface to to the firmware.
  71
  72           Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.
  73
  74 config ARM_HIGHBANK_CPUFREQ
  75         tristate "Calxeda Highbank-based"
  76         depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
  77         default m
  78         help
  79           This adds the CPUFreq driver for Calxeda Highbank SoC
  80           based boards.
  81
  82           If in doubt, say N.
  83
  84 config ARM_IMX6Q_CPUFREQ
  85         tristate "Freescale i.MX6 cpufreq support"
  86         depends on ARCH_MXC
  87         depends on REGULATOR_ANATOP
  88         select PM_OPP
  89         help
  90           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
  91
  92           If in doubt, say N.
  93
  94 config ARM_KIRKWOOD_CPUFREQ
  95         def_bool MACH_KIRKWOOD
  96         help
  97           This adds the CPUFreq driver for Marvell Kirkwood
  98           SoCs.
  99
 100 config ARM_MEDIATEK_CPUFREQ
 101         tristate "CPU Frequency scaling support for MediaTek SoCs"
 102         depends on ARCH_MEDIATEK && REGULATOR
 103         depends on !CPU_THERMAL || THERMAL
 104         select PM_OPP
 105         help
 106           This adds the CPUFreq driver support for MediaTek SoCs.
 107
 108 config ARM_OMAP2PLUS_CPUFREQ
 109         bool "TI OMAP2+"
 110         depends on ARCH_OMAP2PLUS
 111         default ARCH_OMAP2PLUS
 112
 113 config ARM_QCOM_CPUFREQ_KRYO
 114         tristate "Qualcomm Kryo based CPUFreq"
 115         depends on ARM64
 116         depends on QCOM_QFPROM
 117         depends on QCOM_SMEM
 118         select PM_OPP
 119         help
 120           This adds the CPUFreq driver for Qualcomm Kryo SoC based boards.
 121
 122           If in doubt, say N.
 123
 124 config ARM_S3C_CPUFREQ
 125         bool
 126         help
 127           Internal configuration node for common cpufreq on Samsung SoC
 128
 129 config ARM_S3C24XX_CPUFREQ
 130         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 131         depends on ARCH_S3C24XX
 132         select ARM_S3C_CPUFREQ
 133         help
 134           This enables the CPUfreq driver for the Samsung S3C24XX family
 135           of CPUs.
 136
 137           For details, take a look at <file:Documentation/cpu-freq>.
 138
 139           If in doubt, say N.
 140
 141 config ARM_S3C24XX_CPUFREQ_DEBUG
 142         bool "Debug CPUfreq Samsung driver core"
 143         depends on ARM_S3C24XX_CPUFREQ
 144         help
 145           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 146
 147 config ARM_S3C24XX_CPUFREQ_IODEBUG
 148         bool "Debug CPUfreq Samsung driver IO timing"
 149         depends on ARM_S3C24XX_CPUFREQ
 150         help
 151           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 152
 153 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 154         bool "Export debugfs for CPUFreq"
 155         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 156         help
 157           Export status information via debugfs.
 158
 159 config ARM_S3C2410_CPUFREQ
 160         bool
 161         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 162         select S3C2410_CPUFREQ_UTILS
 163         help
 164           CPU Frequency scaling support for S3C2410
 165
 166 config ARM_S3C2412_CPUFREQ
 167         bool
 168         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 169         default y
 170         select S3C2412_IOTIMING
 171         help
 172           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 173
 174 config ARM_S3C2416_CPUFREQ
 175         bool "S3C2416 CPU Frequency scaling support"
 176         depends on CPU_S3C2416
 177         help
 178           This adds the CPUFreq driver for the Samsung S3C2416 and
 179           S3C2450 SoC. The S3C2416 supports changing the rate of the
 180           armdiv clock source and also entering a so called dynamic
 181           voltage scaling mode in which it is possible to reduce the
 182           core voltage of the CPU.
 183
 184           If in doubt, say N.
 185
 186 config ARM_S3C2416_CPUFREQ_VCORESCALE
 187         bool "Allow voltage scaling for S3C2416 arm core"
 188         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 189         help
 190           Enable CPU voltage scaling when entering the dvs mode.
 191           It uses information gathered through existing hardware and
 192           tests but not documented in any datasheet.
 193
 194           If in doubt, say N.
 195
 196 config ARM_S3C2440_CPUFREQ
 197         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 198         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 199         select S3C2410_CPUFREQ_UTILS
 200         default y
 201         help
 202           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 203
 204 config ARM_S3C64XX_CPUFREQ
 205         bool "Samsung S3C64XX"
 206         depends on CPU_S3C6410
 207         default y
 208         help
 209           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 210
 211           If in doubt, say N.
 212
 213 config ARM_S5PV210_CPUFREQ
 214         bool "Samsung S5PV210 and S5PC110"
 215         depends on CPU_S5PV210
 216         default y
 217         help
 218           This adds the CPUFreq driver for Samsung S5PV210 and
 219           S5PC110 SoCs.
 220
 221           If in doubt, say N.
 222
 223 config ARM_SA1100_CPUFREQ
 224         bool
 225
 226 config ARM_SA1110_CPUFREQ
 227         bool
 228
 229 config ARM_SCMI_CPUFREQ
 230         tristate "SCMI based CPUfreq driver"
 231         depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
 232         depends on !CPU_THERMAL || THERMAL
 233         select PM_OPP
 234         help
 235           This adds the CPUfreq driver support for ARM platforms using SCMI
 236           protocol for CPU power management.
 237
 238           This driver uses SCMI Message Protocol driver to interact with the
 239           firmware providing the CPU DVFS functionality.
 240
 241 config ARM_SPEAR_CPUFREQ
 242         bool "SPEAr CPUFreq support"
 243         depends on PLAT_SPEAR
 244         default y
 245         help
 246           This adds the CPUFreq driver support for SPEAr SOCs.
 247
 248 config ARM_STI_CPUFREQ
 249         tristate "STi CPUFreq support"
 250         depends on SOC_STIH407
 251         help
 252           This driver uses the generic OPP framework to match the running
 253           platform with a predefined set of suitable values.  If not provided
 254           we will fall-back so safe-values contained in Device Tree.  Enable
 255           this config option if you wish to add CPUFreq support for STi based
 256           SoCs.
 257
 258 config ARM_TANGO_CPUFREQ
 259         bool
 260         depends on CPUFREQ_DT && ARCH_TANGO
 261         default y
 262
 263 config ARM_TEGRA20_CPUFREQ
 264         tristate "Tegra20 CPUFreq support"
 265         depends on ARCH_TEGRA
 266         default y
 267         help
 268           This adds the CPUFreq driver support for Tegra20 SOCs.
 269
 270 config ARM_TEGRA124_CPUFREQ
 271         tristate "Tegra124 CPUFreq support"
 272         depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
 273         default y
 274         help
 275           This adds the CPUFreq driver support for Tegra124 SOCs.
 276
 277 config ARM_TEGRA186_CPUFREQ
 278         tristate "Tegra186 CPUFreq support"
 279         depends on ARCH_TEGRA && TEGRA_BPMP
 280         help
 281           This adds the CPUFreq driver support for Tegra186 SOCs.
 282
 283 config ARM_TI_CPUFREQ
 284         bool "Texas Instruments CPUFreq support"
 285         depends on ARCH_OMAP2PLUS
 286         help
 287           This driver enables valid OPPs on the running platform based on
 288           values contained within the SoC in use. Enable this in order to
 289           use the cpufreq-dt driver on all Texas Instruments platforms that
 290           provide dt based operating-points-v2 tables with opp-supported-hw
 291           data provided. Required for cpufreq support on AM335x, AM437x,
 292           DRA7x, and AM57x platforms.
 293
 294 config ARM_PXA2xx_CPUFREQ
 295         tristate "Intel PXA2xx CPUfreq driver"
 296         depends on PXA27x || PXA25x
 297         help
 298           This add the CPUFreq driver support for Intel PXA2xx SOCs.
 299
 300           If in doubt, say N.