drivers/thermal/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # Generic thermal sysfs drivers configuration
   4 #
   5
   6 menuconfig THERMAL
   7         bool "Generic Thermal sysfs driver"
   8         help
   9           Generic Thermal Sysfs driver offers a generic mechanism for
  10           thermal management. Usually it's made up of one or more thermal
  11           zone and cooling device.
  12           Each thermal zone contains its own temperature, trip points,
  13           cooling devices.
  14           All platforms with ACPI thermal support can use this driver.
  15           If you want this support, you should say Y here.
  16
  17 if THERMAL
  18
  19 config THERMAL_STATISTICS
  20         bool "Thermal state transition statistics"
  21         help
  22           Export thermal state transition statistics information through sysfs.
  23
  24           If in doubt, say N.
  25
  26 config THERMAL_EMERGENCY_POWEROFF_DELAY_MS
  27         int "Emergency poweroff delay in milli-seconds"
  28         default 0
  29         help
  30           Thermal subsystem will issue a graceful shutdown when
  31           critical temperatures are reached using orderly_poweroff(). In
  32           case of failure of an orderly_poweroff(), the thermal emergency
  33           poweroff kicks in after a delay has elapsed and shuts down the system.
  34           This config is number of milliseconds to delay before emergency
  35           poweroff kicks in. Similarly to the critical trip point,
  36           the delay should be carefully profiled so as to give adequate
  37           time for orderly_poweroff() to finish on regular execution.
  38           If set to 0 emergency poweroff will not be supported.
  39
  40           In doubt, leave as 0.
  41
  42 config THERMAL_HWMON
  43         bool
  44         prompt "Expose thermal sensors as hwmon device"
  45         depends on HWMON=y || HWMON=THERMAL
  46         default y
  47         help
  48           In case a sensor is registered with the thermal
  49           framework, this option will also register it
  50           as a hwmon. The sensor will then have the common
  51           hwmon sysfs interface.
  52
  53           Say 'Y' here if you want all thermal sensors to
  54           have hwmon sysfs interface too.
  55
  56 config THERMAL_OF
  57         bool
  58         prompt "APIs to parse thermal data out of device tree"
  59         depends on OF
  60         default y
  61         help
  62           This options provides helpers to add the support to
  63           read and parse thermal data definitions out of the
  64           device tree blob.
  65
  66           Say 'Y' here if you need to build thermal infrastructure
  67           based on device tree.
  68
  69 config THERMAL_WRITABLE_TRIPS
  70         bool "Enable writable trip points"
  71         help
  72           This option allows the system integrator to choose whether
  73           trip temperatures can be changed from userspace. The
  74           writable trips need to be specified when setting up the
  75           thermal zone but the choice here takes precedence.
  76
  77           Say 'Y' here if you would like to allow userspace tools to
  78           change trip temperatures.
  79
  80 choice
  81         prompt "Default Thermal governor"
  82         default THERMAL_DEFAULT_GOV_STEP_WISE
  83         help
  84           This option sets which thermal governor shall be loaded at
  85           startup. If in doubt, select 'step_wise'.
  86
  87 config THERMAL_DEFAULT_GOV_STEP_WISE
  88         bool "step_wise"
  89         select THERMAL_GOV_STEP_WISE
  90         help
  91           Use the step_wise governor as default. This throttles the
  92           devices one step at a time.
  93
  94 config THERMAL_DEFAULT_GOV_FAIR_SHARE
  95         bool "fair_share"
  96         select THERMAL_GOV_FAIR_SHARE
  97         help
  98           Use the fair_share governor as default. This throttles the
  99           devices based on their 'contribution' to a zone. The
 100           contribution should be provided through platform data.
 101
 102 config THERMAL_DEFAULT_GOV_USER_SPACE
 103         bool "user_space"
 104         select THERMAL_GOV_USER_SPACE
 105         help
 106           Select this if you want to let the user space manage the
 107           platform thermals.
 108
 109 config THERMAL_DEFAULT_GOV_POWER_ALLOCATOR
 110         bool "power_allocator"
 111         select THERMAL_GOV_POWER_ALLOCATOR
 112         help
 113           Select this if you want to control temperature based on
 114           system and device power allocation. This governor can only
 115           operate on cooling devices that implement the power API.
 116
 117 endchoice
 118
 119 config THERMAL_GOV_FAIR_SHARE
 120         bool "Fair-share thermal governor"
 121         help
 122           Enable this to manage platform thermals using fair-share governor.
 123
 124 config THERMAL_GOV_STEP_WISE
 125         bool "Step_wise thermal governor"
 126         help
 127           Enable this to manage platform thermals using a simple linear
 128           governor.
 129
 130 config THERMAL_GOV_BANG_BANG
 131         bool "Bang Bang thermal governor"
 132         default n
 133         help
 134           Enable this to manage platform thermals using bang bang governor.
 135
 136           Say 'Y' here if you want to use two point temperature regulation
 137           used for fans without throttling.  Some fan drivers depend on this
 138           governor to be enabled (e.g. acerhdf).
 139
 140 config THERMAL_GOV_USER_SPACE
 141         bool "User_space thermal governor"
 142         help
 143           Enable this to let the user space manage the platform thermals.
 144
 145 config THERMAL_GOV_POWER_ALLOCATOR
 146         bool "Power allocator thermal governor"
 147         help
 148           Enable this to manage platform thermals by dynamically
 149           allocating and limiting power to devices.
 150
 151 config CPU_THERMAL
 152         bool "Generic cpu cooling support"
 153         depends on CPU_FREQ
 154         depends on THERMAL_OF
 155         help
 156           This implements the generic cpu cooling mechanism through frequency
 157           reduction. An ACPI version of this already exists
 158           (drivers/acpi/processor_thermal.c).
 159           This will be useful for platforms using the generic thermal interface
 160           and not the ACPI interface.
 161
 162           If you want this support, you should say Y here.
 163
 164 config CLOCK_THERMAL
 165         bool "Generic clock cooling support"
 166         depends on COMMON_CLK
 167         depends on PM_OPP
 168         help
 169           This entry implements the generic clock cooling mechanism through
 170           frequency clipping. Typically used to cool off co-processors. The
 171           device that is configured to use this cooling mechanism will be
 172           controlled to reduce clock frequency whenever temperature is high.
 173
 174 config DEVFREQ_THERMAL
 175         bool "Generic device cooling support"
 176         depends on PM_DEVFREQ
 177         depends on PM_OPP
 178         help
 179           This implements the generic devfreq cooling mechanism through
 180           frequency reduction for devices using devfreq.
 181
 182           This will throttle the device by limiting the maximum allowed DVFS
 183           frequency corresponding to the cooling level.
 184
 185           In order to use the power extensions of the cooling device,
 186           devfreq should use the simple_ondemand governor.
 187
 188           If you want this support, you should say Y here.
 189
 190 config THERMAL_EMULATION
 191         bool "Thermal emulation mode support"
 192         help
 193           Enable this option to make a emul_temp sysfs node in thermal zone
 194           directory to support temperature emulation. With emulation sysfs node,
 195           user can manually input temperature and test the different trip
 196           threshold behaviour for simulation purpose.
 197
 198           WARNING: Be careful while enabling this option on production systems,
 199           because userland can easily disable the thermal policy by simply
 200           flooding this sysfs node with low temperature values.
 201
 202 config THERMAL_MMIO
 203         tristate "Generic Thermal MMIO driver"
 204         depends on OF || COMPILE_TEST
 205         depends on HAS_IOMEM
 206         help
 207           This option enables the generic thermal MMIO driver that will use
 208           memory-mapped reads to get the temperature.  Any HW/System that
 209           allows temperature reading by a single memory-mapped reading, be it
 210           register or shared memory, is a potential candidate to work with this
 211           driver.
 212
 213 config HISI_THERMAL
 214         tristate "Hisilicon thermal driver"
 215         depends on ARCH_HISI || COMPILE_TEST
 216         depends on HAS_IOMEM
 217         depends on OF
 218         default y
 219         help
 220           Enable this to plug hisilicon's thermal sensor driver into the Linux
 221           thermal framework. cpufreq is used as the cooling device to throttle
 222           CPUs when the passive trip is crossed.
 223
 224 config IMX_THERMAL
 225         tristate "Temperature sensor driver for Freescale i.MX SoCs"
 226         depends on ARCH_MXC || COMPILE_TEST
 227         depends on NVMEM || !NVMEM
 228         depends on MFD_SYSCON
 229         depends on OF
 230         help
 231           Support for Temperature Monitor (TEMPMON) found on Freescale i.MX SoCs.
 232           It supports one critical trip point and one passive trip point.  The
 233           cpufreq is used as the cooling device to throttle CPUs when the
 234           passive trip is crossed.
 235
 236 config MAX77620_THERMAL
 237         tristate "Temperature sensor driver for Maxim MAX77620 PMIC"
 238         depends on MFD_MAX77620
 239         depends on OF
 240         help
 241           Support for die junction temperature warning alarm for Maxim
 242           Semiconductor PMIC MAX77620 device. Device generates two alarm
 243           interrupts when PMIC die temperature cross the threshold of
 244           120 degC and 140 degC.
 245
 246 config QORIQ_THERMAL
 247         tristate "QorIQ Thermal Monitoring Unit"
 248         depends on THERMAL_OF
 249         depends on HAS_IOMEM
 250         help
 251           Support for Thermal Monitoring Unit (TMU) found on QorIQ platforms.
 252           It supports one critical trip point and one passive trip point. The
 253           cpufreq is used as the cooling device to throttle CPUs when the
 254           passive trip is crossed.
 255
 256 config SPEAR_THERMAL
 257         tristate "SPEAr thermal sensor driver"
 258         depends on PLAT_SPEAR || COMPILE_TEST
 259         depends on HAS_IOMEM
 260         depends on OF
 261         help
 262           Enable this to plug the SPEAr thermal sensor driver into the Linux
 263           thermal framework.
 264
 265 config ROCKCHIP_THERMAL
 266         tristate "Rockchip thermal driver"
 267         depends on ARCH_ROCKCHIP || COMPILE_TEST
 268         depends on RESET_CONTROLLER
 269         depends on HAS_IOMEM
 270         help
 271           Rockchip thermal driver provides support for Temperature sensor
 272           ADC (TS-ADC) found on Rockchip SoCs. It supports one critical
 273           trip point. Cpufreq is used as the cooling device and will throttle
 274           CPUs when the Temperature crosses the passive trip point.
 275
 276 config RCAR_THERMAL
 277         tristate "Renesas R-Car thermal driver"
 278         depends on ARCH_RENESAS || COMPILE_TEST
 279         depends on HAS_IOMEM
 280         help
 281           Enable this to plug the R-Car thermal sensor driver into the Linux
 282           thermal framework.
 283
 284 config RCAR_GEN3_THERMAL
 285         tristate "Renesas R-Car Gen3 thermal driver"
 286         depends on ARCH_RENESAS || COMPILE_TEST
 287         depends on HAS_IOMEM
 288         depends on OF
 289         help
 290           Enable this to plug the R-Car Gen3 thermal sensor driver into the Linux
 291           thermal framework.
 292
 293 config KIRKWOOD_THERMAL
 294         tristate "Temperature sensor on Marvell Kirkwood SoCs"
 295         depends on MACH_KIRKWOOD || COMPILE_TEST
 296         depends on HAS_IOMEM
 297         depends on OF
 298         help
 299           Support for the Kirkwood thermal sensor driver into the Linux thermal
 300           framework. Only kirkwood 88F6282 and 88F6283 have this sensor.
 301
 302 config DOVE_THERMAL
 303         tristate "Temperature sensor on Marvell Dove SoCs"
 304         depends on ARCH_DOVE || MACH_DOVE || COMPILE_TEST
 305         depends on HAS_IOMEM
 306         depends on OF
 307         help
 308           Support for the Dove thermal sensor driver in the Linux thermal
 309           framework.
 310
 311 config DB8500_THERMAL
 312         tristate "DB8500 thermal management"
 313         depends on MFD_DB8500_PRCMU
 314         default y
 315         help
 316           Adds DB8500 thermal management implementation according to the thermal
 317           management framework. A thermal zone with several trip points will be
 318           created. Cooling devices can be bound to the trip points to cool this
 319           thermal zone if trip points reached.
 320
 321 config ARMADA_THERMAL
 322         tristate "Marvell EBU Armada SoCs thermal management"
 323         depends on ARCH_MVEBU || COMPILE_TEST
 324         depends on HAS_IOMEM
 325         depends on OF
 326         help
 327           Enable this option if you want to have support for thermal management
 328           controller present in Marvell EBU Armada SoCs (370,375,XP,38x,7K,8K).
 329
 330 config DA9062_THERMAL
 331         tristate "DA9062/DA9061 Dialog Semiconductor thermal driver"
 332         depends on MFD_DA9062 || COMPILE_TEST
 333         depends on OF
 334         help
 335           Enable this for the Dialog Semiconductor thermal sensor driver.
 336           This will report PMIC junction over-temperature for one thermal trip
 337           zone.
 338           Compatible with the DA9062 and DA9061 PMICs.
 339
 340 config MTK_THERMAL
 341         tristate "Temperature sensor driver for mediatek SoCs"
 342         depends on ARCH_MEDIATEK || COMPILE_TEST
 343         depends on HAS_IOMEM
 344         depends on NVMEM || NVMEM=n
 345         depends on RESET_CONTROLLER
 346         default y
 347         help
 348           Enable this option if you want to have support for thermal management
 349           controller present in Mediatek SoCs
 350
 351 menu "Intel thermal drivers"
 352 depends on X86 || X86_INTEL_QUARK || COMPILE_TEST
 353 source "drivers/thermal/intel/Kconfig"
 354 endmenu
 355
 356 menu "Broadcom thermal drivers"
 357 depends on ARCH_BCM || ARCH_BRCMSTB || ARCH_BCM2835 || ARCH_BCM_IPROC || \
 358                 COMPILE_TEST
 359 source "drivers/thermal/broadcom/Kconfig"
 360 endmenu
 361
 362 menu "Texas Instruments thermal drivers"
 363 depends on ARCH_HAS_BANDGAP || COMPILE_TEST
 364 depends on HAS_IOMEM
 365 source "drivers/thermal/ti-soc-thermal/Kconfig"
 366 endmenu
 367
 368 menu "Samsung thermal drivers"
 369 depends on ARCH_EXYNOS || COMPILE_TEST
 370 source "drivers/thermal/samsung/Kconfig"
 371 endmenu
 372
 373 menu "STMicroelectronics thermal drivers"
 374 depends on (ARCH_STI || ARCH_STM32) && OF
 375 source "drivers/thermal/st/Kconfig"
 376 endmenu
 377
 378 config TANGO_THERMAL
 379         tristate "Tango thermal management"
 380         depends on ARCH_TANGO || COMPILE_TEST
 381         help
 382           Enable the Tango thermal driver, which supports the primitive
 383           temperature sensor embedded in Tango chips since the SMP8758.
 384           This sensor only generates a 1-bit signal to indicate whether
 385           the die temperature exceeds a programmable threshold.
 386
 387 source "drivers/thermal/tegra/Kconfig"
 388
 389 config GENERIC_ADC_THERMAL
 390         tristate "Generic ADC based thermal sensor"
 391         depends on IIO
 392         help
 393           This enabled a thermal sysfs driver for the temperature sensor
 394           which is connected to the General Purpose ADC. The ADC channel
 395           is read via IIO framework and the channel information is provided
 396           to this driver. This driver reports the temperature by reading ADC
 397           channel and converts it to temperature based on lookup table.
 398
 399 menu "Qualcomm thermal drivers"
 400 depends on (ARCH_QCOM && OF) || COMPILE_TEST
 401 source "drivers/thermal/qcom/Kconfig"
 402 endmenu
 403
 404 config ZX2967_THERMAL
 405         tristate "Thermal sensors on zx2967 SoC"
 406         depends on ARCH_ZX || COMPILE_TEST
 407         help
 408           Enable the zx2967 thermal sensors driver, which supports
 409           the primitive temperature sensor embedded in zx2967 SoCs.
 410           This sensor generates the real time die temperature.
 411
 412 config UNIPHIER_THERMAL
 413         tristate "Socionext UniPhier thermal driver"
 414         depends on ARCH_UNIPHIER || COMPILE_TEST
 415         depends on THERMAL_OF && MFD_SYSCON
 416         help
 417           Enable this to plug in UniPhier on-chip PVT thermal driver into the
 418           thermal framework. The driver supports CPU thermal zone temperature
 419           reporting and a couple of trip points.
 420 endif