0001 # SPDX-License-Identifier: GPL-2.0-only
0002 #
0003 # Generic thermal drivers configuration
0004 #
0005
0006 menuconfig THERMAL
0007 bool "Thermal drivers"
0008 help
0009 Thermal drivers offer a generic mechanism for
0010 thermal management. Usually it's made up of one or more thermal
0011 zones and cooling devices.
0012 Each thermal zone contains its own temperature, trip points,
0013 and cooling devices.
0014 All platforms with ACPI or Open Firmware thermal support can use
0015 this driver.
0016 If you want this support, you should say Y here.
0017
0018 if THERMAL
0019
0020 config THERMAL_NETLINK
0021 bool "Thermal netlink management"
0022 depends on NET
0023 help
0024 The thermal framework has a netlink interface to do thermal
0025 zones discovery, temperature readings and events such as
0026 trip point crossed, cooling device update or governor
0027 change. It is recommended to enable the feature.
0028
0029 config THERMAL_STATISTICS
0030 bool "Thermal state transition statistics"
0031 help
0032 Export thermal state transition statistics information through sysfs.
0033
0034 If in doubt, say N.
0035
0036 config THERMAL_EMERGENCY_POWEROFF_DELAY_MS
0037 int "Emergency poweroff delay in milli-seconds"
0038 default 0
0039 help
0040 Thermal subsystem will issue a graceful shutdown when
0041 critical temperatures are reached using orderly_poweroff(). In
0042 case of failure of an orderly_poweroff(), the thermal emergency
0043 poweroff kicks in after a delay has elapsed and shuts down the system.
0044 This config is number of milliseconds to delay before emergency
0045 poweroff kicks in. Similarly to the critical trip point,
0046 the delay should be carefully profiled so as to give adequate
0047 time for orderly_poweroff() to finish on regular execution.
0048 If set to 0 emergency poweroff will not be supported.
0049
0050 In doubt, leave as 0.
0051
0052 config THERMAL_HWMON
0053 bool
0054 prompt "Expose thermal sensors as hwmon device"
0055 depends on HWMON=y || HWMON=THERMAL
0056 default y
0057 help
0058 In case a sensor is registered with the thermal
0059 framework, this option will also register it
0060 as a hwmon. The sensor will then have the common
0061 hwmon sysfs interface.
0062
0063 Say 'Y' here if you want all thermal sensors to
0064 have hwmon sysfs interface too.
0065
0066 config THERMAL_OF
0067 bool
0068 prompt "APIs to parse thermal data out of device tree"
0069 depends on OF
0070 default y
0071 help
0072 This options provides helpers to add the support to
0073 read and parse thermal data definitions out of the
0074 device tree blob.
0075
0076 Say 'Y' here if you need to build thermal infrastructure
0077 based on device tree.
0078
0079 config THERMAL_WRITABLE_TRIPS
0080 bool "Enable writable trip points"
0081 help
0082 This option allows the system integrator to choose whether
0083 trip temperatures can be changed from userspace. The
0084 writable trips need to be specified when setting up the
0085 thermal zone but the choice here takes precedence.
0086
0087 Say 'Y' here if you would like to allow userspace tools to
0088 change trip temperatures.
0089
0090 choice
0091 prompt "Default Thermal governor"
0092 default THERMAL_DEFAULT_GOV_STEP_WISE
0093 help
0094 This option sets which thermal governor shall be loaded at
0095 startup. If in doubt, select 'step_wise'.
0096
0097 config THERMAL_DEFAULT_GOV_STEP_WISE
0098 bool "step_wise"
0099 select THERMAL_GOV_STEP_WISE
0100 help
0101 Use the step_wise governor as default. This throttles the
0102 devices one step at a time.
0103
0104 config THERMAL_DEFAULT_GOV_FAIR_SHARE
0105 bool "fair_share"
0106 select THERMAL_GOV_FAIR_SHARE
0107 help
0108 Use the fair_share governor as default. This throttles the
0109 devices based on their 'contribution' to a zone. The
0110 contribution should be provided through platform data.
0111
0112 config THERMAL_DEFAULT_GOV_USER_SPACE
0113 bool "user_space"
0114 select THERMAL_GOV_USER_SPACE
0115 help
0116 The Userspace governor allows to get trip point crossed
0117 notification from the kernel via uevents. It is recommended
0118 to use the netlink interface instead which gives richer
0119 information about the thermal framework events.
0120
0121 config THERMAL_DEFAULT_GOV_POWER_ALLOCATOR
0122 bool "power_allocator"
0123 depends on THERMAL_GOV_POWER_ALLOCATOR
0124 help
0125 Select this if you want to control temperature based on
0126 system and device power allocation. This governor can only
0127 operate on cooling devices that implement the power API.
0128
0129 endchoice
0130
0131 config THERMAL_GOV_FAIR_SHARE
0132 bool "Fair-share thermal governor"
0133 help
0134 Enable this to manage platform thermals using fair-share governor.
0135
0136 config THERMAL_GOV_STEP_WISE
0137 bool "Step_wise thermal governor"
0138 help
0139 Enable this to manage platform thermals using a simple linear
0140 governor.
0141
0142 config THERMAL_GOV_BANG_BANG
0143 bool "Bang Bang thermal governor"
0144 default n
0145 help
0146 Enable this to manage platform thermals using bang bang governor.
0147
0148 Say 'Y' here if you want to use two point temperature regulation
0149 used for fans without throttling. Some fan drivers depend on this
0150 governor to be enabled (e.g. acerhdf).
0151
0152 config THERMAL_GOV_USER_SPACE
0153 bool "User_space thermal governor"
0154 help
0155 Enable this to let the user space manage the platform thermals.
0156
0157 config THERMAL_GOV_POWER_ALLOCATOR
0158 bool "Power allocator thermal governor"
0159 depends on ENERGY_MODEL
0160 help
0161 Enable this to manage platform thermals by dynamically
0162 allocating and limiting power to devices.
0163
0164 config CPU_THERMAL
0165 bool "Generic cpu cooling support"
0166 depends on THERMAL_OF
0167 help
0168 Enable the CPU cooling features. If the system has no active
0169 cooling device available, this option allows to use the CPU
0170 as a cooling device.
0171
0172 if CPU_THERMAL
0173
0174 config CPU_FREQ_THERMAL
0175 bool "CPU frequency cooling device"
0176 depends on CPU_FREQ
0177 default y
0178 help
0179 This implements the generic cpu cooling mechanism through frequency
0180 reduction. An ACPI version of this already exists
0181 (drivers/acpi/processor_thermal.c).
0182 This will be useful for platforms using the generic thermal interface
0183 and not the ACPI interface.
0184
0185 config CPU_IDLE_THERMAL
0186 bool "CPU idle cooling device"
0187 depends on IDLE_INJECT
0188 help
0189 This implements the CPU cooling mechanism through
0190 idle injection. This will throttle the CPU by injecting
0191 idle cycle.
0192 endif
0193
0194 config DEVFREQ_THERMAL
0195 bool "Generic device cooling support"
0196 depends on PM_DEVFREQ
0197 depends on PM_OPP
0198 help
0199 This implements the generic devfreq cooling mechanism through
0200 frequency reduction for devices using devfreq.
0201
0202 This will throttle the device by limiting the maximum allowed DVFS
0203 frequency corresponding to the cooling level.
0204
0205 In order to use the power extensions of the cooling device,
0206 devfreq should use the simple_ondemand governor.
0207
0208 If you want this support, you should say Y here.
0209
0210 config THERMAL_EMULATION
0211 bool "Thermal emulation mode support"
0212 help
0213 Enable this option to make a emul_temp sysfs node in thermal zone
0214 directory to support temperature emulation. With emulation sysfs node,
0215 user can manually input temperature and test the different trip
0216 threshold behaviour for simulation purpose.
0217
0218 WARNING: Be careful while enabling this option on production systems,
0219 because userland can easily disable the thermal policy by simply
0220 flooding this sysfs node with low temperature values.
0221
0222 config THERMAL_MMIO
0223 tristate "Generic Thermal MMIO driver"
0224 depends on OF
0225 depends on HAS_IOMEM
0226 help
0227 This option enables the generic thermal MMIO driver that will use
0228 memory-mapped reads to get the temperature. Any HW/System that
0229 allows temperature reading by a single memory-mapped reading, be it
0230 register or shared memory, is a potential candidate to work with this
0231 driver.
0232
0233 config HISI_THERMAL
0234 tristate "Hisilicon thermal driver"
0235 depends on ARCH_HISI || COMPILE_TEST
0236 depends on HAS_IOMEM
0237 depends on OF
0238 default y
0239 help
0240 Enable this to plug hisilicon's thermal sensor driver into the Linux
0241 thermal framework. cpufreq is used as the cooling device to throttle
0242 CPUs when the passive trip is crossed.
0243
0244 config IMX_THERMAL
0245 tristate "Temperature sensor driver for Freescale i.MX SoCs"
0246 depends on ARCH_MXC || COMPILE_TEST
0247 depends on NVMEM || !NVMEM
0248 depends on MFD_SYSCON
0249 depends on OF
0250 help
0251 Support for Temperature Monitor (TEMPMON) found on Freescale i.MX SoCs.
0252 It supports one critical trip point and one passive trip point. The
0253 cpufreq is used as the cooling device to throttle CPUs when the
0254 passive trip is crossed.
0255
0256 config IMX_SC_THERMAL
0257 tristate "Temperature sensor driver for NXP i.MX SoCs with System Controller"
0258 depends on IMX_SCU
0259 depends on OF
0260 help
0261 Support for Temperature Monitor (TEMPMON) found on NXP i.MX SoCs with
0262 system controller inside, Linux kernel has to communicate with system
0263 controller via MU (message unit) IPC to get temperature from thermal
0264 sensor. It supports one critical trip point and one
0265 passive trip point for each thermal sensor.
0266
0267 config IMX8MM_THERMAL
0268 tristate "Temperature sensor driver for Freescale i.MX8MM SoC"
0269 depends on ARCH_MXC || COMPILE_TEST
0270 depends on OF
0271 help
0272 Support for Thermal Monitoring Unit (TMU) found on Freescale i.MX8MM SoC.
0273 It supports one critical trip point and one passive trip point. The
0274 cpufreq is used as the cooling device to throttle CPUs when the passive
0275 trip is crossed.
0276
0277 config K3_THERMAL
0278 tristate "Texas Instruments K3 thermal support"
0279 depends on ARCH_K3 || COMPILE_TEST
0280 help
0281 If you say yes here you get thermal support for the Texas Instruments
0282 K3 SoC family. The current chip supported is:
0283 - AM654
0284
0285 This includes temperature reading functionality.
0286
0287 config MAX77620_THERMAL
0288 tristate "Temperature sensor driver for Maxim MAX77620 PMIC"
0289 depends on MFD_MAX77620
0290 depends on OF
0291 help
0292 Support for die junction temperature warning alarm for Maxim
0293 Semiconductor PMIC MAX77620 device. Device generates two alarm
0294 interrupts when PMIC die temperature cross the threshold of
0295 120 degC and 140 degC.
0296
0297 config QORIQ_THERMAL
0298 tristate "QorIQ Thermal Monitoring Unit"
0299 depends on THERMAL_OF && HAS_IOMEM
0300 depends on PPC_E500MC || SOC_LS1021A || ARCH_LAYERSCAPE || (ARCH_MXC && ARM64) || COMPILE_TEST
0301 select REGMAP_MMIO
0302 help
0303 Support for Thermal Monitoring Unit (TMU) found on QorIQ platforms.
0304 It supports one critical trip point and one passive trip point. The
0305 cpufreq is used as the cooling device to throttle CPUs when the
0306 passive trip is crossed.
0307
0308 config SPEAR_THERMAL
0309 tristate "SPEAr thermal sensor driver"
0310 depends on PLAT_SPEAR || COMPILE_TEST
0311 depends on HAS_IOMEM
0312 depends on OF
0313 help
0314 Enable this to plug the SPEAr thermal sensor driver into the Linux
0315 thermal framework.
0316
0317 config SUN8I_THERMAL
0318 tristate "Allwinner sun8i thermal driver"
0319 depends on ARCH_SUNXI || COMPILE_TEST
0320 depends on HAS_IOMEM
0321 depends on NVMEM
0322 depends on OF
0323 depends on RESET_CONTROLLER
0324 help
0325 Support for the sun8i thermal sensor driver into the Linux thermal
0326 framework.
0327
0328 To compile this driver as a module, choose M here: the
0329 module will be called sun8i-thermal.
0330
0331 config ROCKCHIP_THERMAL
0332 tristate "Rockchip thermal driver"
0333 depends on ARCH_ROCKCHIP || COMPILE_TEST
0334 depends on RESET_CONTROLLER
0335 depends on HAS_IOMEM
0336 help
0337 Rockchip thermal driver provides support for Temperature sensor
0338 ADC (TS-ADC) found on Rockchip SoCs. It supports one critical
0339 trip point. Cpufreq is used as the cooling device and will throttle
0340 CPUs when the Temperature crosses the passive trip point.
0341
0342 config RCAR_THERMAL
0343 tristate "Renesas R-Car thermal driver"
0344 depends on ARCH_RENESAS || COMPILE_TEST
0345 depends on HAS_IOMEM
0346 help
0347 Enable this to plug the R-Car thermal sensor driver into the Linux
0348 thermal framework.
0349
0350 config RCAR_GEN3_THERMAL
0351 tristate "Renesas R-Car Gen3 and RZ/G2 thermal driver"
0352 depends on ARCH_RENESAS || COMPILE_TEST
0353 depends on HAS_IOMEM
0354 depends on OF
0355 help
0356 Enable this to plug the R-Car Gen3 or RZ/G2 thermal sensor driver into
0357 the Linux thermal framework.
0358
0359 config RZG2L_THERMAL
0360 tristate "Renesas RZ/G2L thermal driver"
0361 depends on ARCH_RENESAS || COMPILE_TEST
0362 depends on HAS_IOMEM
0363 depends on OF
0364 help
0365 Enable this to plug the RZ/G2L thermal sensor driver into the Linux
0366 thermal framework.
0367
0368 config KIRKWOOD_THERMAL
0369 tristate "Temperature sensor on Marvell Kirkwood SoCs"
0370 depends on MACH_KIRKWOOD || COMPILE_TEST
0371 depends on HAS_IOMEM
0372 depends on OF
0373 help
0374 Support for the Kirkwood thermal sensor driver into the Linux thermal
0375 framework. Only kirkwood 88F6282 and 88F6283 have this sensor.
0376
0377 config DOVE_THERMAL
0378 tristate "Temperature sensor on Marvell Dove SoCs"
0379 depends on ARCH_DOVE || MACH_DOVE || COMPILE_TEST
0380 depends on HAS_IOMEM
0381 depends on OF
0382 help
0383 Support for the Dove thermal sensor driver in the Linux thermal
0384 framework.
0385
0386 config DB8500_THERMAL
0387 tristate "DB8500 thermal management"
0388 depends on MFD_DB8500_PRCMU && OF
0389 default y
0390 help
0391 Adds DB8500 thermal management implementation according to the thermal
0392 management framework. A thermal zone with several trip points will be
0393 created. Cooling devices can be bound to the trip points to cool this
0394 thermal zone if trip points reached.
0395
0396 config ARMADA_THERMAL
0397 tristate "Marvell EBU Armada SoCs thermal management"
0398 depends on ARCH_MVEBU || COMPILE_TEST
0399 depends on HAS_IOMEM
0400 depends on OF
0401 help
0402 Enable this option if you want to have support for thermal management
0403 controller present in Marvell EBU Armada SoCs (370,375,XP,38x,7K,8K).
0404
0405 config DA9062_THERMAL
0406 tristate "DA9062/DA9061 Dialog Semiconductor thermal driver"
0407 depends on MFD_DA9062 || COMPILE_TEST
0408 depends on OF
0409 help
0410 Enable this for the Dialog Semiconductor thermal sensor driver.
0411 This will report PMIC junction over-temperature for one thermal trip
0412 zone.
0413 Compatible with the DA9062 and DA9061 PMICs.
0414
0415 config MTK_THERMAL
0416 tristate "Temperature sensor driver for mediatek SoCs"
0417 depends on ARCH_MEDIATEK || COMPILE_TEST
0418 depends on HAS_IOMEM
0419 depends on NVMEM || NVMEM=n
0420 depends on RESET_CONTROLLER
0421 default y
0422 help
0423 Enable this option if you want to have support for thermal management
0424 controller present in Mediatek SoCs
0425
0426 config AMLOGIC_THERMAL
0427 tristate "Amlogic Thermal Support"
0428 default ARCH_MESON
0429 depends on OF && ARCH_MESON
0430 help
0431 If you say yes here you get support for Amlogic Thermal
0432 for G12 SoC Family.
0433
0434 This driver can also be built as a module. If so, the module will
0435 be called amlogic_thermal.
0436
0437 menu "Intel thermal drivers"
0438 depends on X86 || X86_INTEL_QUARK || COMPILE_TEST
0439 source "drivers/thermal/intel/Kconfig"
0440 endmenu
0441
0442 menu "Broadcom thermal drivers"
0443 depends on ARCH_BCM || ARCH_BRCMSTB || ARCH_BCM2835 || ARCH_BCM_IPROC || \
0444 COMPILE_TEST
0445 source "drivers/thermal/broadcom/Kconfig"
0446 endmenu
0447
0448 menu "Texas Instruments thermal drivers"
0449 depends on ARCH_HAS_BANDGAP || COMPILE_TEST
0450 depends on HAS_IOMEM
0451 source "drivers/thermal/ti-soc-thermal/Kconfig"
0452 endmenu
0453
0454 menu "Samsung thermal drivers"
0455 depends on ARCH_EXYNOS || COMPILE_TEST
0456 source "drivers/thermal/samsung/Kconfig"
0457 endmenu
0458
0459 menu "STMicroelectronics thermal drivers"
0460 depends on (ARCH_STI || ARCH_STM32) && OF
0461 source "drivers/thermal/st/Kconfig"
0462 endmenu
0463
0464 source "drivers/thermal/tegra/Kconfig"
0465
0466 config GENERIC_ADC_THERMAL
0467 tristate "Generic ADC based thermal sensor"
0468 depends on IIO
0469 help
0470 This enabled a thermal sysfs driver for the temperature sensor
0471 which is connected to the General Purpose ADC. The ADC channel
0472 is read via IIO framework and the channel information is provided
0473 to this driver. This driver reports the temperature by reading ADC
0474 channel and converts it to temperature based on lookup table.
0475
0476 menu "Qualcomm thermal drivers"
0477 depends on (ARCH_QCOM && OF) || COMPILE_TEST
0478 source "drivers/thermal/qcom/Kconfig"
0479 endmenu
0480
0481 config UNIPHIER_THERMAL
0482 tristate "Socionext UniPhier thermal driver"
0483 depends on ARCH_UNIPHIER || COMPILE_TEST
0484 depends on THERMAL_OF && MFD_SYSCON
0485 help
0486 Enable this to plug in UniPhier on-chip PVT thermal driver into the
0487 thermal framework. The driver supports CPU thermal zone temperature
0488 reporting and a couple of trip points.
0489
0490 config SPRD_THERMAL
0491 tristate "Temperature sensor on Spreadtrum SoCs"
0492 depends on ARCH_SPRD || COMPILE_TEST
0493 help
0494 Support for the Spreadtrum thermal sensor driver in the Linux thermal
0495 framework.
0496
0497 config KHADAS_MCU_FAN_THERMAL
0498 tristate "Khadas MCU controller FAN cooling support"
0499 depends on OF
0500 depends on MFD_KHADAS_MCU
0501 select MFD_CORE
0502 select REGMAP
0503 help
0504 If you say yes here you get support for the FAN controlled
0505 by the Microcontroller found on the Khadas VIM boards.
0506
0507 endif
