Root/drivers/thermal/Kconfig

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_HWMON
19    bool
20    depends on HWMON=y || HWMON=THERMAL
21    default y
22
23choice
24    prompt "Default Thermal governor"
25    default THERMAL_DEFAULT_GOV_STEP_WISE
26    help
27      This option sets which thermal governor shall be loaded at
28      startup. If in doubt, select 'step_wise'.
29
30config THERMAL_DEFAULT_GOV_STEP_WISE
31    bool "step_wise"
32    select THERMAL_GOV_STEP_WISE
33    help
34      Use the step_wise governor as default. This throttles the
35      devices one step at a time.
36
37config THERMAL_DEFAULT_GOV_FAIR_SHARE
38    bool "fair_share"
39    select THERMAL_GOV_FAIR_SHARE
40    help
41      Use the fair_share governor as default. This throttles the
42      devices based on their 'contribution' to a zone. The
43      contribution should be provided through platform data.
44
45config THERMAL_DEFAULT_GOV_USER_SPACE
46    bool "user_space"
47    select THERMAL_GOV_USER_SPACE
48    help
49      Select this if you want to let the user space manage the
50      lpatform thermals.
51
52endchoice
53
54config THERMAL_GOV_FAIR_SHARE
55    bool "Fair-share thermal governor"
56    help
57      Enable this to manage platform thermals using fair-share governor.
58
59config THERMAL_GOV_STEP_WISE
60    bool "Step_wise thermal governor"
61    help
62      Enable this to manage platform thermals using a simple linear
63
64config THERMAL_GOV_USER_SPACE
65    bool "User_space thermal governor"
66    help
67      Enable this to let the user space manage the platform thermals.
68
69config CPU_THERMAL
70    tristate "generic cpu cooling support"
71    depends on CPU_FREQ
72    select CPU_FREQ_TABLE
73    help
74      This implements the generic cpu cooling mechanism through frequency
75      reduction, cpu hotplug and any other ways of reducing temperature. An
76      ACPI version of this already exists(drivers/acpi/processor_thermal.c).
77      This will be useful for platforms using the generic thermal interface
78      and not the ACPI interface.
79      If you want this support, you should say Y here.
80
81config THERMAL_EMULATION
82    bool "Thermal emulation mode support"
83    help
84      Enable this option to make a emul_temp sysfs node in thermal zone
85      directory to support temperature emulation. With emulation sysfs node,
86      user can manually input temperature and test the different trip
87      threshold behaviour for simulation purpose.
88
89config SPEAR_THERMAL
90    bool "SPEAr thermal sensor driver"
91    depends on PLAT_SPEAR
92    depends on OF
93    help
94      Enable this to plug the SPEAr thermal sensor driver into the Linux
95      thermal framework
96
97config RCAR_THERMAL
98    tristate "Renesas R-Car thermal driver"
99    depends on ARCH_SHMOBILE
100    help
101      Enable this to plug the R-Car thermal sensor driver into the Linux
102      thermal framework
103
104config KIRKWOOD_THERMAL
105    tristate "Temperature sensor on Marvell Kirkwood SoCs"
106    depends on ARCH_KIRKWOOD
107    depends on OF
108    help
109      Support for the Kirkwood thermal sensor driver into the Linux thermal
110      framework. Only kirkwood 88F6282 and 88F6283 have this sensor.
111
112config EXYNOS_THERMAL
113    tristate "Temperature sensor on Samsung EXYNOS"
114    depends on (ARCH_EXYNOS4 || ARCH_EXYNOS5)
115    depends on CPU_THERMAL
116    help
117      If you say yes here you get support for TMU (Thermal Management
118      Unit) on SAMSUNG EXYNOS series of SoC.
119
120config EXYNOS_THERMAL_EMUL
121    bool "EXYNOS TMU emulation mode support"
122    depends on EXYNOS_THERMAL
123    help
124      Exynos 4412 and 4414 and 5 series has emulation mode on TMU.
125      Enable this option will be make sysfs node in exynos thermal platform
126      device directory to support emulation mode. With emulation mode sysfs
127      node, you can manually input temperature to TMU for simulation purpose.
128
129config DOVE_THERMAL
130    tristate "Temperature sensor on Marvell Dove SoCs"
131    depends on ARCH_DOVE
132    depends on OF
133    help
134      Support for the Dove thermal sensor driver in the Linux thermal
135      framework.
136
137config DB8500_THERMAL
138    bool "DB8500 thermal management"
139    depends on ARCH_U8500
140    default y
141    help
142      Adds DB8500 thermal management implementation according to the thermal
143      management framework. A thermal zone with several trip points will be
144      created. Cooling devices can be bound to the trip points to cool this
145      thermal zone if trip points reached.
146
147config DB8500_CPUFREQ_COOLING
148    tristate "DB8500 cpufreq cooling"
149    depends on ARCH_U8500
150    depends on CPU_THERMAL
151    default y
152    help
153      Adds DB8500 cpufreq cooling devices, and these cooling devices can be
154      bound to thermal zone trip points. When a trip point reached, the
155      bound cpufreq cooling device turns active to set CPU frequency low to
156      cool down the CPU.
157
158config INTEL_POWERCLAMP
159    tristate "Intel PowerClamp idle injection driver"
160    depends on THERMAL
161    depends on X86
162    depends on CPU_SUP_INTEL
163    help
164      Enable this to enable Intel PowerClamp idle injection driver. This
165      enforce idle time which results in more package C-state residency. The
166      user interface is exposed via generic thermal framework.
167
168endif
169

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