1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Generic thermal drivers configuration 4# 5 6menuconfig THERMAL 7 bool "Thermal drivers" 8 help 9 Thermal drivers offer a generic mechanism for 10 thermal management. Usually it's made up of one or more thermal 11 zones and cooling devices. 12 Each thermal zone contains its own temperature, trip points, 13 and cooling devices. 14 All platforms with ACPI or Open Firmware thermal support can use 15 this driver. 16 If you want this support, you should say Y here. 17 18if THERMAL 19 20config THERMAL_STATISTICS 21 bool "Thermal state transition statistics" 22 help 23 Export thermal state transition statistics information through sysfs. 24 25 If in doubt, say N. 26 27config THERMAL_EMERGENCY_POWEROFF_DELAY_MS 28 int "Emergency poweroff delay in milli-seconds" 29 default 0 30 help 31 Thermal subsystem will issue a graceful shutdown when 32 critical temperatures are reached using orderly_poweroff(). In 33 case of failure of an orderly_poweroff(), the thermal emergency 34 poweroff kicks in after a delay has elapsed and shuts down the system. 35 This config is number of milliseconds to delay before emergency 36 poweroff kicks in. Similarly to the critical trip point, 37 the delay should be carefully profiled so as to give adequate 38 time for orderly_poweroff() to finish on regular execution. 39 If set to 0 emergency poweroff will not be supported. 40 41 In doubt, leave as 0. 42 43config THERMAL_HWMON 44 bool 45 prompt "Expose thermal sensors as hwmon device" 46 depends on HWMON=y || HWMON=THERMAL 47 default y 48 help 49 In case a sensor is registered with the thermal 50 framework, this option will also register it 51 as a hwmon. The sensor will then have the common 52 hwmon sysfs interface. 53 54 Say 'Y' here if you want all thermal sensors to 55 have hwmon sysfs interface too. 56 57config THERMAL_OF 58 bool 59 prompt "APIs to parse thermal data out of device tree" 60 depends on OF 61 default y 62 help 63 This options provides helpers to add the support to 64 read and parse thermal data definitions out of the 65 device tree blob. 66 67 Say 'Y' here if you need to build thermal infrastructure 68 based on device tree. 69 70config THERMAL_WRITABLE_TRIPS 71 bool "Enable writable trip points" 72 help 73 This option allows the system integrator to choose whether 74 trip temperatures can be changed from userspace. The 75 writable trips need to be specified when setting up the 76 thermal zone but the choice here takes precedence. 77 78 Say 'Y' here if you would like to allow userspace tools to 79 change trip temperatures. 80 81choice 82 prompt "Default Thermal governor" 83 default THERMAL_DEFAULT_GOV_STEP_WISE 84 help 85 This option sets which thermal governor shall be loaded at 86 startup. If in doubt, select 'step_wise'. 87 88config THERMAL_DEFAULT_GOV_STEP_WISE 89 bool "step_wise" 90 select THERMAL_GOV_STEP_WISE 91 help 92 Use the step_wise governor as default. This throttles the 93 devices one step at a time. 94 95config THERMAL_DEFAULT_GOV_FAIR_SHARE 96 bool "fair_share" 97 select THERMAL_GOV_FAIR_SHARE 98 help 99 Use the fair_share governor as default. This throttles the 100 devices based on their 'contribution' to a zone. The 101 contribution should be provided through platform data. 102 103config THERMAL_DEFAULT_GOV_USER_SPACE 104 bool "user_space" 105 select THERMAL_GOV_USER_SPACE 106 help 107 Select this if you want to let the user space manage the 108 platform thermals. 109 110config THERMAL_DEFAULT_GOV_POWER_ALLOCATOR 111 bool "power_allocator" 112 depends on THERMAL_GOV_POWER_ALLOCATOR 113 help 114 Select this if you want to control temperature based on 115 system and device power allocation. This governor can only 116 operate on cooling devices that implement the power API. 117 118endchoice 119 120config THERMAL_GOV_FAIR_SHARE 121 bool "Fair-share thermal governor" 122 help 123 Enable this to manage platform thermals using fair-share governor. 124 125config THERMAL_GOV_STEP_WISE 126 bool "Step_wise thermal governor" 127 help 128 Enable this to manage platform thermals using a simple linear 129 governor. 130 131config THERMAL_GOV_BANG_BANG 132 bool "Bang Bang thermal governor" 133 default n 134 help 135 Enable this to manage platform thermals using bang bang governor. 136 137 Say 'Y' here if you want to use two point temperature regulation 138 used for fans without throttling. Some fan drivers depend on this 139 governor to be enabled (e.g. acerhdf). 140 141config THERMAL_GOV_USER_SPACE 142 bool "User_space thermal governor" 143 help 144 Enable this to let the user space manage the platform thermals. 145 146config THERMAL_GOV_POWER_ALLOCATOR 147 bool "Power allocator thermal governor" 148 depends on ENERGY_MODEL 149 help 150 Enable this to manage platform thermals by dynamically 151 allocating and limiting power to devices. 152 153config CPU_THERMAL 154 bool "Generic cpu cooling support" 155 depends on THERMAL_OF 156 help 157 Enable the CPU cooling features. If the system has no active 158 cooling device available, this option allows to use the CPU 159 as a cooling device. 160 161if CPU_THERMAL 162 163config CPU_FREQ_THERMAL 164 bool "CPU frequency cooling device" 165 depends on CPU_FREQ 166 default y 167 help 168 This implements the generic cpu cooling mechanism through frequency 169 reduction. An ACPI version of this already exists 170 (drivers/acpi/processor_thermal.c). 171 This will be useful for platforms using the generic thermal interface 172 and not the ACPI interface. 173 174config CPU_IDLE_THERMAL 175 bool "CPU idle cooling device" 176 depends on IDLE_INJECT 177 help 178 This implements the CPU cooling mechanism through 179 idle injection. This will throttle the CPU by injecting 180 idle cycle. 181endif 182 183config CLOCK_THERMAL 184 bool "Generic clock cooling support" 185 depends on COMMON_CLK 186 depends on PM_OPP 187 help 188 This entry implements the generic clock cooling mechanism through 189 frequency clipping. Typically used to cool off co-processors. The 190 device that is configured to use this cooling mechanism will be 191 controlled to reduce clock frequency whenever temperature is high. 192 193config DEVFREQ_THERMAL 194 bool "Generic device cooling support" 195 depends on PM_DEVFREQ 196 depends on PM_OPP 197 help 198 This implements the generic devfreq cooling mechanism through 199 frequency reduction for devices using devfreq. 200 201 This will throttle the device by limiting the maximum allowed DVFS 202 frequency corresponding to the cooling level. 203 204 In order to use the power extensions of the cooling device, 205 devfreq should use the simple_ondemand governor. 206 207 If you want this support, you should say Y here. 208 209config THERMAL_EMULATION 210 bool "Thermal emulation mode support" 211 help 212 Enable this option to make a emul_temp sysfs node in thermal zone 213 directory to support temperature emulation. With emulation sysfs node, 214 user can manually input temperature and test the different trip 215 threshold behaviour for simulation purpose. 216 217 WARNING: Be careful while enabling this option on production systems, 218 because userland can easily disable the thermal policy by simply 219 flooding this sysfs node with low temperature values. 220 221config THERMAL_MMIO 222 tristate "Generic Thermal MMIO driver" 223 depends on OF || COMPILE_TEST 224 depends on HAS_IOMEM 225 help 226 This option enables the generic thermal MMIO driver that will use 227 memory-mapped reads to get the temperature. Any HW/System that 228 allows temperature reading by a single memory-mapped reading, be it 229 register or shared memory, is a potential candidate to work with this 230 driver. 231 232config HISI_THERMAL 233 tristate "Hisilicon thermal driver" 234 depends on ARCH_HISI || COMPILE_TEST 235 depends on HAS_IOMEM 236 depends on OF 237 default y 238 help 239 Enable this to plug hisilicon's thermal sensor driver into the Linux 240 thermal framework. cpufreq is used as the cooling device to throttle 241 CPUs when the passive trip is crossed. 242 243config IMX_THERMAL 244 tristate "Temperature sensor driver for Freescale i.MX SoCs" 245 depends on ARCH_MXC || COMPILE_TEST 246 depends on NVMEM || !NVMEM 247 depends on MFD_SYSCON 248 depends on OF 249 help 250 Support for Temperature Monitor (TEMPMON) found on Freescale i.MX SoCs. 251 It supports one critical trip point and one passive trip point. The 252 cpufreq is used as the cooling device to throttle CPUs when the 253 passive trip is crossed. 254 255config IMX_SC_THERMAL 256 tristate "Temperature sensor driver for NXP i.MX SoCs with System Controller" 257 depends on IMX_SCU 258 depends on OF 259 help 260 Support for Temperature Monitor (TEMPMON) found on NXP i.MX SoCs with 261 system controller inside, Linux kernel has to communicate with system 262 controller via MU (message unit) IPC to get temperature from thermal 263 sensor. It supports one critical trip point and one 264 passive trip point for each thermal sensor. 265 266config IMX8MM_THERMAL 267 tristate "Temperature sensor driver for Freescale i.MX8MM SoC" 268 depends on ARCH_MXC || COMPILE_TEST 269 depends on OF 270 help 271 Support for Thermal Monitoring Unit (TMU) found on Freescale i.MX8MM SoC. 272 It supports one critical trip point and one passive trip point. The 273 cpufreq is used as the cooling device to throttle CPUs when the passive 274 trip is crossed. 275 276config K3_THERMAL 277 tristate "Texas Instruments K3 thermal support" 278 depends on ARCH_K3 || COMPILE_TEST 279 help 280 If you say yes here you get thermal support for the Texas Instruments 281 K3 SoC family. The current chip supported is: 282 - AM654 283 284 This includes temperature reading functionality. 285 286config MAX77620_THERMAL 287 tristate "Temperature sensor driver for Maxim MAX77620 PMIC" 288 depends on MFD_MAX77620 289 depends on OF 290 help 291 Support for die junction temperature warning alarm for Maxim 292 Semiconductor PMIC MAX77620 device. Device generates two alarm 293 interrupts when PMIC die temperature cross the threshold of 294 120 degC and 140 degC. 295 296config QORIQ_THERMAL 297 tristate "QorIQ Thermal Monitoring Unit" 298 depends on THERMAL_OF && HAS_IOMEM 299 depends on PPC_E500MC || SOC_LS1021A || ARCH_LAYERSCAPE || (ARCH_MXC && ARM64) || COMPILE_TEST 300 select REGMAP_MMIO 301 help 302 Support for Thermal Monitoring Unit (TMU) found on QorIQ platforms. 303 It supports one critical trip point and one passive trip point. The 304 cpufreq is used as the cooling device to throttle CPUs when the 305 passive trip is crossed. 306 307config SPEAR_THERMAL 308 tristate "SPEAr thermal sensor driver" 309 depends on PLAT_SPEAR || COMPILE_TEST 310 depends on HAS_IOMEM 311 depends on OF 312 help 313 Enable this to plug the SPEAr thermal sensor driver into the Linux 314 thermal framework. 315 316config SUN8I_THERMAL 317 tristate "Allwinner sun8i thermal driver" 318 depends on ARCH_SUNXI || COMPILE_TEST 319 depends on HAS_IOMEM 320 depends on NVMEM 321 depends on OF 322 depends on RESET_CONTROLLER 323 help 324 Support for the sun8i thermal sensor driver into the Linux thermal 325 framework. 326 327 To compile this driver as a module, choose M here: the 328 module will be called sun8i-thermal. 329 330config ROCKCHIP_THERMAL 331 tristate "Rockchip thermal driver" 332 depends on ARCH_ROCKCHIP || COMPILE_TEST 333 depends on RESET_CONTROLLER 334 depends on HAS_IOMEM 335 help 336 Rockchip thermal driver provides support for Temperature sensor 337 ADC (TS-ADC) found on Rockchip SoCs. It supports one critical 338 trip point. Cpufreq is used as the cooling device and will throttle 339 CPUs when the Temperature crosses the passive trip point. 340 341config RCAR_THERMAL 342 tristate "Renesas R-Car thermal driver" 343 depends on ARCH_RENESAS || COMPILE_TEST 344 depends on HAS_IOMEM 345 help 346 Enable this to plug the R-Car thermal sensor driver into the Linux 347 thermal framework. 348 349config RCAR_GEN3_THERMAL 350 tristate "Renesas R-Car Gen3 thermal driver" 351 depends on ARCH_RENESAS || COMPILE_TEST 352 depends on HAS_IOMEM 353 depends on OF 354 help 355 Enable this to plug the R-Car Gen3 thermal sensor driver into the Linux 356 thermal framework. 357 358config KIRKWOOD_THERMAL 359 tristate "Temperature sensor on Marvell Kirkwood SoCs" 360 depends on MACH_KIRKWOOD || COMPILE_TEST 361 depends on HAS_IOMEM 362 depends on OF 363 help 364 Support for the Kirkwood thermal sensor driver into the Linux thermal 365 framework. Only kirkwood 88F6282 and 88F6283 have this sensor. 366 367config DOVE_THERMAL 368 tristate "Temperature sensor on Marvell Dove SoCs" 369 depends on ARCH_DOVE || MACH_DOVE || COMPILE_TEST 370 depends on HAS_IOMEM 371 depends on OF 372 help 373 Support for the Dove thermal sensor driver in the Linux thermal 374 framework. 375 376config DB8500_THERMAL 377 tristate "DB8500 thermal management" 378 depends on MFD_DB8500_PRCMU && OF 379 default y 380 help 381 Adds DB8500 thermal management implementation according to the thermal 382 management framework. A thermal zone with several trip points will be 383 created. Cooling devices can be bound to the trip points to cool this 384 thermal zone if trip points reached. 385 386config ARMADA_THERMAL 387 tristate "Marvell EBU Armada SoCs thermal management" 388 depends on ARCH_MVEBU || COMPILE_TEST 389 depends on HAS_IOMEM 390 depends on OF 391 help 392 Enable this option if you want to have support for thermal management 393 controller present in Marvell EBU Armada SoCs (370,375,XP,38x,7K,8K). 394 395config DA9062_THERMAL 396 tristate "DA9062/DA9061 Dialog Semiconductor thermal driver" 397 depends on MFD_DA9062 || COMPILE_TEST 398 depends on OF 399 help 400 Enable this for the Dialog Semiconductor thermal sensor driver. 401 This will report PMIC junction over-temperature for one thermal trip 402 zone. 403 Compatible with the DA9062 and DA9061 PMICs. 404 405config MTK_THERMAL 406 tristate "Temperature sensor driver for mediatek SoCs" 407 depends on ARCH_MEDIATEK || COMPILE_TEST 408 depends on HAS_IOMEM 409 depends on NVMEM || NVMEM=n 410 depends on RESET_CONTROLLER 411 default y 412 help 413 Enable this option if you want to have support for thermal management 414 controller present in Mediatek SoCs 415 416config AMLOGIC_THERMAL 417 tristate "Amlogic Thermal Support" 418 default ARCH_MESON 419 depends on OF && ARCH_MESON 420 help 421 If you say yes here you get support for Amlogic Thermal 422 for G12 SoC Family. 423 424 This driver can also be built as a module. If so, the module will 425 be called amlogic_thermal. 426 427menu "Intel thermal drivers" 428depends on X86 || X86_INTEL_QUARK || COMPILE_TEST 429source "drivers/thermal/intel/Kconfig" 430endmenu 431 432menu "Broadcom thermal drivers" 433depends on ARCH_BCM || ARCH_BRCMSTB || ARCH_BCM2835 || ARCH_BCM_IPROC || \ 434 COMPILE_TEST 435source "drivers/thermal/broadcom/Kconfig" 436endmenu 437 438menu "Texas Instruments thermal drivers" 439depends on ARCH_HAS_BANDGAP || COMPILE_TEST 440depends on HAS_IOMEM 441source "drivers/thermal/ti-soc-thermal/Kconfig" 442endmenu 443 444menu "Samsung thermal drivers" 445depends on ARCH_EXYNOS || COMPILE_TEST 446source "drivers/thermal/samsung/Kconfig" 447endmenu 448 449menu "STMicroelectronics thermal drivers" 450depends on (ARCH_STI || ARCH_STM32) && OF 451source "drivers/thermal/st/Kconfig" 452endmenu 453 454config TANGO_THERMAL 455 tristate "Tango thermal management" 456 depends on ARCH_TANGO || COMPILE_TEST 457 help 458 Enable the Tango thermal driver, which supports the primitive 459 temperature sensor embedded in Tango chips since the SMP8758. 460 This sensor only generates a 1-bit signal to indicate whether 461 the die temperature exceeds a programmable threshold. 462 463source "drivers/thermal/tegra/Kconfig" 464 465config GENERIC_ADC_THERMAL 466 tristate "Generic ADC based thermal sensor" 467 depends on IIO 468 help 469 This enabled a thermal sysfs driver for the temperature sensor 470 which is connected to the General Purpose ADC. The ADC channel 471 is read via IIO framework and the channel information is provided 472 to this driver. This driver reports the temperature by reading ADC 473 channel and converts it to temperature based on lookup table. 474 475menu "Qualcomm thermal drivers" 476depends on (ARCH_QCOM && OF) || COMPILE_TEST 477source "drivers/thermal/qcom/Kconfig" 478endmenu 479 480config ZX2967_THERMAL 481 tristate "Thermal sensors on zx2967 SoC" 482 depends on ARCH_ZX || COMPILE_TEST 483 help 484 Enable the zx2967 thermal sensors driver, which supports 485 the primitive temperature sensor embedded in zx2967 SoCs. 486 This sensor generates the real time die temperature. 487 488config UNIPHIER_THERMAL 489 tristate "Socionext UniPhier thermal driver" 490 depends on ARCH_UNIPHIER || COMPILE_TEST 491 depends on THERMAL_OF && MFD_SYSCON 492 help 493 Enable this to plug in UniPhier on-chip PVT thermal driver into the 494 thermal framework. The driver supports CPU thermal zone temperature 495 reporting and a couple of trip points. 496 497config SPRD_THERMAL 498 tristate "Temperature sensor on Spreadtrum SoCs" 499 depends on ARCH_SPRD || COMPILE_TEST 500 help 501 Support for the Spreadtrum thermal sensor driver in the Linux thermal 502 framework. 503endif 504