1# 2# Generic thermal sysfs drivers configuration 3# 4 5menuconfig THERMAL 6 tristate "Generic Thermal sysfs driver" 7 help 8 Generic Thermal Sysfs driver offers a generic mechanism for 9 thermal management. Usually it's made up of one or more thermal 10 zone and cooling device. 11 Each thermal zone contains its own temperature, trip points, 12 cooling devices. 13 All platforms with ACPI thermal support can use this driver. 14 If you want this support, you should say Y or M here. 15 16if THERMAL 17 18config THERMAL_STATISTICS 19 bool "Thermal state transition statistics" 20 help 21 Export thermal state transition statistics information through sysfs. 22 23 If in doubt, say N. 24 25config THERMAL_EMERGENCY_POWEROFF_DELAY_MS 26 int "Emergency poweroff delay in milli-seconds" 27 depends on THERMAL 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 42config 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 56config 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 69config 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 80choice 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 87config 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 94config 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 102config 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 109config 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 117endchoice 118 119config THERMAL_GOV_FAIR_SHARE 120 bool "Fair-share thermal governor" 121 help 122 Enable this to manage platform thermals using fair-share governor. 123 124config 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 130config 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 140config 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 145config 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 151config 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 164config 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 174config 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 190config 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 202config HISI_THERMAL 203 tristate "Hisilicon thermal driver" 204 depends on ARCH_HISI || COMPILE_TEST 205 depends on HAS_IOMEM 206 depends on OF 207 default y 208 help 209 Enable this to plug hisilicon's thermal sensor driver into the Linux 210 thermal framework. cpufreq is used as the cooling device to throttle 211 CPUs when the passive trip is crossed. 212 213config IMX_THERMAL 214 tristate "Temperature sensor driver for Freescale i.MX SoCs" 215 depends on (ARCH_MXC && CPU_THERMAL) || COMPILE_TEST 216 depends on NVMEM || !NVMEM 217 depends on MFD_SYSCON 218 depends on OF 219 help 220 Support for Temperature Monitor (TEMPMON) found on Freescale i.MX SoCs. 221 It supports one critical trip point and one passive trip point. The 222 cpufreq is used as the cooling device to throttle CPUs when the 223 passive trip is crossed. 224 225config MAX77620_THERMAL 226 tristate "Temperature sensor driver for Maxim MAX77620 PMIC" 227 depends on MFD_MAX77620 228 depends on OF 229 help 230 Support for die junction temperature warning alarm for Maxim 231 Semiconductor PMIC MAX77620 device. Device generates two alarm 232 interrupts when PMIC die temperature cross the threshold of 233 120 degC and 140 degC. 234 235config QORIQ_THERMAL 236 tristate "QorIQ Thermal Monitoring Unit" 237 depends on THERMAL_OF 238 depends on HAS_IOMEM 239 help 240 Support for Thermal Monitoring Unit (TMU) found on QorIQ platforms. 241 It supports one critical trip point and one passive trip point. The 242 cpufreq is used as the cooling device to throttle CPUs when the 243 passive trip is crossed. 244 245config SPEAR_THERMAL 246 tristate "SPEAr thermal sensor driver" 247 depends on PLAT_SPEAR || COMPILE_TEST 248 depends on HAS_IOMEM 249 depends on OF 250 help 251 Enable this to plug the SPEAr thermal sensor driver into the Linux 252 thermal framework. 253 254config ROCKCHIP_THERMAL 255 tristate "Rockchip thermal driver" 256 depends on ARCH_ROCKCHIP || COMPILE_TEST 257 depends on RESET_CONTROLLER 258 depends on HAS_IOMEM 259 help 260 Rockchip thermal driver provides support for Temperature sensor 261 ADC (TS-ADC) found on Rockchip SoCs. It supports one critical 262 trip point. Cpufreq is used as the cooling device and will throttle 263 CPUs when the Temperature crosses the passive trip point. 264 265config RCAR_THERMAL 266 tristate "Renesas R-Car thermal driver" 267 depends on ARCH_RENESAS || COMPILE_TEST 268 depends on HAS_IOMEM 269 help 270 Enable this to plug the R-Car thermal sensor driver into the Linux 271 thermal framework. 272 273config RCAR_GEN3_THERMAL 274 tristate "Renesas R-Car Gen3 thermal driver" 275 depends on ARCH_RENESAS || COMPILE_TEST 276 depends on HAS_IOMEM 277 depends on OF 278 help 279 Enable this to plug the R-Car Gen3 thermal sensor driver into the Linux 280 thermal framework. 281 282config KIRKWOOD_THERMAL 283 tristate "Temperature sensor on Marvell Kirkwood SoCs" 284 depends on MACH_KIRKWOOD || COMPILE_TEST 285 depends on HAS_IOMEM 286 depends on OF 287 help 288 Support for the Kirkwood thermal sensor driver into the Linux thermal 289 framework. Only kirkwood 88F6282 and 88F6283 have this sensor. 290 291config DOVE_THERMAL 292 tristate "Temperature sensor on Marvell Dove SoCs" 293 depends on ARCH_DOVE || MACH_DOVE || COMPILE_TEST 294 depends on HAS_IOMEM 295 depends on OF 296 help 297 Support for the Dove thermal sensor driver in the Linux thermal 298 framework. 299 300config DB8500_THERMAL 301 tristate "DB8500 thermal management" 302 depends on MFD_DB8500_PRCMU 303 default y 304 help 305 Adds DB8500 thermal management implementation according to the thermal 306 management framework. A thermal zone with several trip points will be 307 created. Cooling devices can be bound to the trip points to cool this 308 thermal zone if trip points reached. 309 310config ARMADA_THERMAL 311 tristate "Marvell EBU Armada SoCs thermal management" 312 depends on ARCH_MVEBU || COMPILE_TEST 313 depends on HAS_IOMEM 314 depends on OF 315 help 316 Enable this option if you want to have support for thermal management 317 controller present in Marvell EBU Armada SoCs (370,375,XP,38x,7K,8K). 318 319config DA9062_THERMAL 320 tristate "DA9062/DA9061 Dialog Semiconductor thermal driver" 321 depends on MFD_DA9062 || COMPILE_TEST 322 depends on OF 323 help 324 Enable this for the Dialog Semiconductor thermal sensor driver. 325 This will report PMIC junction over-temperature for one thermal trip 326 zone. 327 Compatible with the DA9062 and DA9061 PMICs. 328 329config INTEL_POWERCLAMP 330 tristate "Intel PowerClamp idle injection driver" 331 depends on THERMAL 332 depends on X86 333 depends on CPU_SUP_INTEL 334 help 335 Enable this to enable Intel PowerClamp idle injection driver. This 336 enforce idle time which results in more package C-state residency. The 337 user interface is exposed via generic thermal framework. 338 339config X86_PKG_TEMP_THERMAL 340 tristate "X86 package temperature thermal driver" 341 depends on X86_THERMAL_VECTOR 342 select THERMAL_GOV_USER_SPACE 343 select THERMAL_WRITABLE_TRIPS 344 default m 345 help 346 Enable this to register CPU digital sensor for package temperature as 347 thermal zone. Each package will have its own thermal zone. There are 348 two trip points which can be set by user to get notifications via thermal 349 notification methods. 350 351config INTEL_SOC_DTS_IOSF_CORE 352 tristate 353 depends on X86 && PCI 354 select IOSF_MBI 355 help 356 This is becoming a common feature for Intel SoCs to expose the additional 357 digital temperature sensors (DTSs) using side band interface (IOSF). This 358 implements the common set of helper functions to register, get temperature 359 and get/set thresholds on DTSs. 360 361config INTEL_SOC_DTS_THERMAL 362 tristate "Intel SoCs DTS thermal driver" 363 depends on X86 && PCI && ACPI 364 select INTEL_SOC_DTS_IOSF_CORE 365 select THERMAL_WRITABLE_TRIPS 366 help 367 Enable this to register Intel SoCs (e.g. Bay Trail) platform digital 368 temperature sensor (DTS). These SoCs have two additional DTSs in 369 addition to DTSs on CPU cores. Each DTS will be registered as a 370 thermal zone. There are two trip points. One of the trip point can 371 be set by user mode programs to get notifications via Linux thermal 372 notification methods.The other trip is a critical trip point, which 373 was set by the driver based on the TJ MAX temperature. 374 375config INTEL_QUARK_DTS_THERMAL 376 tristate "Intel Quark DTS thermal driver" 377 depends on X86_INTEL_QUARK 378 help 379 Enable this to register Intel Quark SoC (e.g. X1000) platform digital 380 temperature sensor (DTS). For X1000 SoC, it has one on-die DTS. 381 The DTS will be registered as a thermal zone. There are two trip points: 382 hot & critical. The critical trip point default value is set by 383 underlying BIOS/Firmware. 384 385menu "ACPI INT340X thermal drivers" 386source drivers/thermal/int340x_thermal/Kconfig 387endmenu 388 389config INTEL_BXT_PMIC_THERMAL 390 tristate "Intel Broxton PMIC thermal driver" 391 depends on X86 && INTEL_SOC_PMIC_BXTWC && REGMAP 392 help 393 Select this driver for Intel Broxton PMIC with ADC channels monitoring 394 system temperature measurements and alerts. 395 This driver is used for monitoring the ADC channels of PMIC and handles 396 the alert trip point interrupts and notifies the thermal framework with 397 the trip point and temperature details of the zone. 398 399config INTEL_PCH_THERMAL 400 tristate "Intel PCH Thermal Reporting Driver" 401 depends on X86 && PCI 402 help 403 Enable this to support thermal reporting on certain intel PCHs. 404 Thermal reporting device will provide temperature reading, 405 programmable trip points and other information. 406 407config MTK_THERMAL 408 tristate "Temperature sensor driver for mediatek SoCs" 409 depends on ARCH_MEDIATEK || COMPILE_TEST 410 depends on HAS_IOMEM 411 depends on NVMEM || NVMEM=n 412 depends on RESET_CONTROLLER 413 default y 414 help 415 Enable this option if you want to have support for thermal management 416 controller present in Mediatek SoCs 417 418menu "Broadcom thermal drivers" 419depends on ARCH_BCM || ARCH_BRCMSTB || ARCH_BCM2835 || COMPILE_TEST 420source "drivers/thermal/broadcom/Kconfig" 421endmenu 422 423menu "Texas Instruments thermal drivers" 424depends on ARCH_HAS_BANDGAP || COMPILE_TEST 425depends on HAS_IOMEM 426source "drivers/thermal/ti-soc-thermal/Kconfig" 427endmenu 428 429menu "Samsung thermal drivers" 430depends on ARCH_EXYNOS || COMPILE_TEST 431source "drivers/thermal/samsung/Kconfig" 432endmenu 433 434menu "STMicroelectronics thermal drivers" 435depends on (ARCH_STI || ARCH_STM32) && OF 436source "drivers/thermal/st/Kconfig" 437endmenu 438 439config TANGO_THERMAL 440 tristate "Tango thermal management" 441 depends on ARCH_TANGO || COMPILE_TEST 442 help 443 Enable the Tango thermal driver, which supports the primitive 444 temperature sensor embedded in Tango chips since the SMP8758. 445 This sensor only generates a 1-bit signal to indicate whether 446 the die temperature exceeds a programmable threshold. 447 448source "drivers/thermal/tegra/Kconfig" 449 450config QCOM_SPMI_TEMP_ALARM 451 tristate "Qualcomm SPMI PMIC Temperature Alarm" 452 depends on OF && SPMI && IIO 453 select REGMAP_SPMI 454 help 455 This enables a thermal sysfs driver for Qualcomm plug-and-play (QPNP) 456 PMIC devices. It shows up in sysfs as a thermal sensor with multiple 457 trip points. The temperature reported by the thermal sensor reflects the 458 real time die temperature if an ADC is present or an estimate of the 459 temperature based upon the over temperature stage value. 460 461config GENERIC_ADC_THERMAL 462 tristate "Generic ADC based thermal sensor" 463 depends on IIO 464 help 465 This enabled a thermal sysfs driver for the temperature sensor 466 which is connected to the General Purpose ADC. The ADC channel 467 is read via IIO framework and the channel information is provided 468 to this driver. This driver reports the temperature by reading ADC 469 channel and converts it to temperature based on lookup table. 470 471menu "Qualcomm thermal drivers" 472depends on (ARCH_QCOM && OF) || COMPILE_TEST 473source "drivers/thermal/qcom/Kconfig" 474endmenu 475 476config ZX2967_THERMAL 477 tristate "Thermal sensors on zx2967 SoC" 478 depends on ARCH_ZX || COMPILE_TEST 479 help 480 Enable the zx2967 thermal sensors driver, which supports 481 the primitive temperature sensor embedded in zx2967 SoCs. 482 This sensor generates the real time die temperature. 483 484config UNIPHIER_THERMAL 485 tristate "Socionext UniPhier thermal driver" 486 depends on ARCH_UNIPHIER || COMPILE_TEST 487 depends on THERMAL_OF && MFD_SYSCON 488 help 489 Enable this to plug in UniPhier on-chip PVT thermal driver into the 490 thermal framework. The driver supports CPU thermal zone temperature 491 reporting and a couple of trip points. 492endif 493