Searched +full:cooling +full:- +full:device (Results 1 – 25 of 588) sorted by relevance
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| /kernel/linux/linux-5.10/Documentation/driver-api/thermal/ |
| D | sysfs-api.rst | 16 devices (sensors) and thermal cooling devices (fan, processor...) to register
19 This how-to focuses on enabling new thermal zone and cooling devices to
22 and cooling devices should be able to make use of the infrastructure.
25 as well as cooling device attributes to the user space.
30 - `[0-*]` denotes any positive number starting from 0
31 - `[1-*]` denotes any positive number starting from 1
36 1.1 thermal zone device interface
37 ---------------------------------
48 This interface function adds a new thermal zone device (sensor) to
49 /sys/class/thermal folder as `thermal_zone[0-*]`. It tries to bind all the
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| D | cpu-cooling-api.rst | 2 CPU cooling APIs How To
14 The generic cpu cooling(freq clipping) provides registration/unregistration APIs
15 to the caller. The binding of the cooling devices to the trip point is left for
16 the user. The registration APIs returns the cooling device pointer.
18 1. cpu cooling APIs
22 --------------------------------------------
29 This interface function registers the cpufreq cooling device with the name
30 "thermal-cpufreq-%x". This api can support multiple instances of cpufreq
31 cooling devices.
41 This interface function registers the cpufreq cooling device with
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/thermal/ |
| D | thermal-cooling-devices.yaml | 1 # SPDX-License-Identifier: (GPL-2.0)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-cooling-devices.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Thermal cooling device
11 - Amit Kucheria <amitk@kernel.org>
15 and the software abstraction of cooling devices and thermal zones required to
20 - thermal-sensor: device that measures temperature, has SoC-specific bindings
21 - cooling-device: device used to dissipate heat either passively or actively
22 - thermal-zones: a container of the following node types used to describe all
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| D | thermal-idle.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-idle.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Thermal idle cooling device
11 - Daniel Lezcano <daniel.lezcano@linaro.org>
14 The thermal idle cooling device allows the system to passively
15 mitigate the temperature on the device by injecting idle cycles,
22 const: thermal-idle
24 A thermal-idle node describes the idle cooling device properties to
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| D | thermal-zones.yaml | 1 # SPDX-License-Identifier: (GPL-2.0)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-zones.yaml#
6 $schema: http://devicetree.org/meta-schemas/base.yaml#
11 - Amit Kucheria <amitk@kernel.org>
15 and the software abstraction of cooling devices and thermal zones required to
20 - thermal-sensor: device that measures temperature, has SoC-specific bindings
21 - cooling-device: device used to dissipate heat either passively or actively
22 - thermal-zones: a container of the following node types used to describe all
25 This binding describes the thermal-zones.
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/thermal/ |
| D | thermal-cooling-devices.yaml | 1 # SPDX-License-Identifier: (GPL-2.0)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-cooling-devices.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Thermal cooling device binding
11 - Amit Kucheria <amitk@kernel.org>
15 and the software abstraction of cooling devices and thermal zones required to
20 - thermal-sensor: device that measures temperature, has SoC-specific bindings
21 - cooling-device: device used to dissipate heat either passively or actively
22 - thermal-zones: a container of the following node types used to describe all
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| D | thermal-idle.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-idle.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Thermal idle cooling device binding
11 - Daniel Lezcano <daniel.lezcano@linaro.org>
14 The thermal idle cooling device allows the system to passively
15 mitigate the temperature on the device by injecting idle cycles,
22 const: thermal-idle
24 A thermal-idle node describes the idle cooling device properties to
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| D | thermal-zones.yaml | 1 # SPDX-License-Identifier: (GPL-2.0)
4 ---
5 $id: http://devicetree.org/schemas/thermal/thermal-zones.yaml#
6 $schema: http://devicetree.org/meta-schemas/base.yaml#
11 - Amit Kucheria <amitk@kernel.org>
15 and the software abstraction of cooling devices and thermal zones required to
20 - thermal-sensor: device that measures temperature, has SoC-specific bindings
21 - cooling-device: device used to dissipate heat either passively or actively
22 - thermal-zones: a container of the following node types used to describe all
25 This binding describes the thermal-zones.
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| D | zx2967-thermal.txt | 4 - compatible: should be one of the following.
5 * zte,zx296718-thermal
6 - reg: physical base address of the controller and length of memory mapped
8 - clocks : Pairs of phandle and specifier referencing the controller's clocks.
9 - clock-names: "topcrm" for the topcrm clock.
11 - #thermal-sensor-cells: must be 0.
13 Please note: slope coefficient defined in thermal-zones section need to be
19 compatible = "zte,zx296718-thermal";
22 clock-names = "topcrm", "apb";
23 #thermal-sensor-cells = <0>;
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| /kernel/linux/linux-6.6/Documentation/driver-api/thermal/ |
| D | sysfs-api.rst | 16 devices (sensors) and thermal cooling devices (fan, processor...) to register
19 This how-to focuses on enabling new thermal zone and cooling devices to
22 and cooling devices should be able to make use of the infrastructure.
25 as well as cooling device attributes to the user space.
30 - `[0-*]` denotes any positive number starting from 0
31 - `[1-*]` denotes any positive number starting from 1
36 1.1 thermal zone device interface
37 ---------------------------------
48 This interface function adds a new thermal zone device (sensor) to
49 /sys/class/thermal folder as `thermal_zone[0-*]`. It tries to bind all the
[all …]
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| D | cpu-cooling-api.rst | 2 CPU cooling APIs How To
14 The generic cpu cooling(freq clipping) provides registration/unregistration APIs
15 to the caller. The binding of the cooling devices to the trip point is left for
16 the user. The registration APIs returns the cooling device pointer.
18 1. cpu cooling APIs
22 --------------------------------------------
29 This interface function registers the cpufreq cooling device with the name
30 "thermal-cpufreq-%x". This api can support multiple instances of cpufreq
31 cooling devices.
41 This interface function registers the cpufreq cooling device with
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| /kernel/linux/linux-5.10/drivers/thermal/ |
| D | cpufreq_cooling.c | 1 // SPDX-License-Identifier: GPL-2.0
7 * Copyright (C) 2012-2018 Linaro Limited.
28 * Cooling state <-> CPUFreq frequency
30 * Cooling states are translated to frequencies throughout this driver and this
33 * Highest cooling state corresponds to lowest possible frequency.
36 * level 0 --> 1st Max Freq
37 * level 1 --> 2nd Max Freq
42 * struct time_in_idle - Idle time stats
52 * struct cpufreq_cooling_device - data for cooling device with cpufreq
57 * cooling devices.
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| D | cpuidle_cooling.c | 1 // SPDX-License-Identifier: GPL-2.0
8 #define pr_fmt(fmt) "cpuidle cooling: " fmt
20 * struct cpuidle_cooling_device - data for the idle cooling device
22 * @state: a normalized integer giving the state of the cooling device
32 * cpuidle_cooling_runtime - Running time computation
44 * running = idle x ((100 / ratio) - 1)
48 * running = (idle x 100) / ratio - idle
61 return ((idle_duration_us * 100) / state) - idle_duration_us; in cpuidle_cooling_runtime()
65 * cpuidle_cooling_get_max_state - Get the maximum state
66 * @cdev : the thermal cooling device
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| D | devfreq_cooling.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * devfreq_cooling: Thermal cooling device implementation for devices using
6 * Copyright (C) 2014-2015 ARM Limited
9 * - If OPPs are added or removed after devfreq cooling has
10 * registered, the devfreq cooling won't react to it.
30 * struct devfreq_cooling_device - Devfreq cooling device
33 * @cdev: Pointer to associated thermal cooling device.
34 * @devfreq: Pointer to associated devfreq device.
35 * @cooling_state: Current cooling state.
37 * cooling state. State is the index into the table, and
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
11 zones and cooling devices.
13 and cooling devices.
26 trip point crossed, cooling device update or governor
37 int "Emergency poweroff delay in milli-seconds"
54 prompt "Expose thermal sensors as hwmon device"
68 prompt "APIs to parse thermal data out of device tree"
74 device tree blob.
77 based on device tree.
124 system and device power allocation. This governor can only
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| /kernel/linux/linux-6.6/drivers/thermal/ |
| D | cpufreq_cooling.c | 1 // SPDX-License-Identifier: GPL-2.0
7 * Copyright (C) 2012-2018 Linaro Limited.
16 #include <linux/device.h>
29 * Cooling state <-> CPUFreq frequency
31 * Cooling states are translated to frequencies throughout this driver and this
34 * Highest cooling state corresponds to lowest possible frequency.
37 * level 0 --> 1st Max Freq
38 * level 1 --> 2nd Max Freq
43 * struct time_in_idle - Idle time stats
53 * struct cpufreq_cooling_device - data for cooling device with cpufreq
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| D | devfreq_cooling.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * devfreq_cooling: Thermal cooling device implementation for devices using
6 * Copyright (C) 2014-2015 ARM Limited
9 * - If OPPs are added or removed after devfreq cooling has
10 * registered, the devfreq cooling won't react to it.
28 * struct devfreq_cooling_device - Devfreq cooling device
30 * @cdev: Pointer to associated thermal cooling device.
31 * @cooling_ops: devfreq callbacks to thermal cooling device ops
32 * @devfreq: Pointer to associated devfreq device.
33 * @cooling_state: Current cooling state.
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| D | cpuidle_cooling.c | 1 // SPDX-License-Identifier: GPL-2.0
8 #define pr_fmt(fmt) "cpuidle cooling: " fmt
13 #include <linux/device.h>
21 * struct cpuidle_cooling_device - data for the idle cooling device
23 * @state: a normalized integer giving the state of the cooling device
31 * cpuidle_cooling_runtime - Running time computation
43 * running = idle x ((100 / ratio) - 1)
47 * running = (idle x 100) / ratio - idle
60 return ((idle_duration_us * 100) / state) - idle_duration_us; in cpuidle_cooling_runtime()
64 * cpuidle_cooling_get_max_state - Get the maximum state
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
11 zones and cooling devices.
13 and cooling devices.
26 trip point crossed, cooling device update or governor
37 int "Emergency poweroff delay in milli-seconds"
54 prompt "Expose thermal sensors as hwmon device"
68 prompt "APIs to parse thermal data out of device tree"
74 device tree blob.
77 based on device tree.
130 system and device power allocation. This governor can only
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| /kernel/linux/linux-6.6/arch/arm/boot/dts/samsung/ |
| D | exynos5422-odroidxu3-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
3 * Hardkernel Odroid XU3/XU3-Lite/XU4 boards common device tree source
12 #include <dt-bindings/input/input.h>
13 #include "exynos5422-odroid-core.dtsi"
20 gpio-keys {
21 compatible = "gpio-keys";
22 pinctrl-names = "default";
23 pinctrl-0 = <&power_key>;
25 power-key {
36 debounce-interval = <0>;
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| D | exynos5422-odroidhc1.dts | 1 // SPDX-License-Identifier: GPL-2.0
3 * Hardkernel Odroid HC1 board device tree source
10 /dts-v1/;
11 #include <dt-bindings/leds/common.h>
12 #include "exynos5422-odroid-core.dtsi"
16 compatible = "hardkernel,odroid-hc1", "samsung,exynos5800", \
19 led-controller {
20 compatible = "pwm-leds";
22 led-1 {
26 pwm-names = "pwm2";
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | exynos5422-odroidxu3-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
3 * Hardkernel Odroid XU3/XU3-Lite/XU4 boards common device tree source
12 #include <dt-bindings/input/input.h>
13 #include "exynos5422-odroid-core.dtsi"
17 compatible = "gpio-keys";
18 pinctrl-names = "default";
19 pinctrl-0 = <&power_key>;
32 debounce-interval = <0>;
33 wakeup-source;
38 pinctrl-0 = <&emmc_nrst_pin>;
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| /kernel/linux/linux-6.6/Documentation/ABI/testing/ |
| D | sysfs-class-thermal | 5 E.g: "acpitz" indicates it's an ACPI thermal device.
61 E.g. it can be one of critical, hot, passive, `active[0-*]`
77 Sysfs link to the thermal cooling device node where the sys I/F
78 for cooling device throttling control represents.
84 The trip point in this thermal zone which `cdev[0-*]` is
85 associated with; -1 means the cooling device is not
92 The influence of `cdev[0-*]` in this thermal zone. This value
93 is relative to the rest of cooling devices in the thermal
94 zone. For example, if a cooling device has a weight double
95 than that of other, it's twice as effective in cooling the
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| /kernel/linux/linux-6.6/tools/thermal/tmon/ |
| D | tmon.8 | 2 # SPDX-License-Identifier: GPL-2.0
4 \fBtmon\fP - A monitoring and testing tool for Linux kernel thermal subsystem
13 real-time thermal data; tune
14 and test cooling devices and sensors; collect thermal data for offline
15 analysis and plot. \fBtmon\fP must be run as root in order to control device
22 - show thermal zone information
23 - show cooling device information
24 - show trip point binding within each thermal zone
25 - show trip point and cooling device instance bindings
28 - show temperature of all thermal zones w.r.t. its trip points and types
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| /kernel/linux/linux-5.10/tools/thermal/tmon/ |
| D | tmon.8 | 2 # SPDX-License-Identifier: GPL-2.0
4 \fBtmon\fP - A monitoring and testing tool for Linux kernel thermal subsystem
13 real-time thermal data; tune
14 and test cooling devices and sensors; collect thermal data for offline
15 analysis and plot. \fBtmon\fP must be run as root in order to control device
22 - show thermal zone information
23 - show cooling device information
24 - show trip point binding within each thermal zone
25 - show trip point and cooling device instance bindings
28 - show temperature of all thermal zones w.r.t. its trip points and types
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