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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/thermal/
H A Dthermal-idle.yaml1 # 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,
18 This binding describes the thermal idle node.
22 const: thermal-idle
[all …]
H A Dthermal-cooling-devices.yaml1 # 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>
14 Thermal management is achieved in devicetree by describing the sensor hardware
15 and the software abstraction of cooling devices and thermal zones required to
16 take appropriate action to mitigate thermal overload.
18 The following node types are used to completely describe a thermal management
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/OK3568_Linux_fs/kernel/drivers/thermal/
H A Dcpuidle_cooling.c1 // SPDX-License-Identifier: GPL-2.0
17 #include <linux/thermal.h>
20 * struct cpuidle_cooling_device - data for the idle cooling device
21 * @ii_dev: an atomic to keep track of the last task exiting the idle cycle
32 * cpuidle_cooling_runtime - Running time computation
33 * @idle_duration_us: CPU idle time to inject in microseconds
36 * The running duration is computed from the idle injection duration
37 * which is fixed. If we reach 100% of idle injection ratio, that
39 * injection, that means we have equal duration for idle and for
44 * running = idle x ((100 / ratio) - 1)
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Generic thermal drivers configuration
6 menuconfig THERMAL config
7 bool "Thermal drivers"
9 Thermal drivers offer a generic mechanism for
10 thermal management. Usually it's made up of one or more thermal
12 Each thermal zone contains its own temperature, trip points,
14 All platforms with ACPI or Open Firmware thermal support can use
18 if THERMAL
21 bool "Thermal netlink management"
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H A Drcar_thermal.c1 // SPDX-License-Identifier: GPL-2.0
3 * R-Car THS/TSC thermal sensor driver
20 #include <linux/thermal.h>
101 list_for_each_entry(pos, &common->head, list)
104 #define rcar_zone_to_priv(zone) ((zone)->devdata)
105 #define rcar_priv_to_dev(priv) ((priv)->common->dev)
106 #define rcar_has_irq_support(priv) ((priv)->common->base)
107 #define rcar_id_to_shift(priv) ((priv)->id * 8)
111 .compatible = "renesas,rcar-thermal",
115 .compatible = "renesas,rcar-gen2-thermal",
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H A Dcpufreq_cooling.c1 // SPDX-License-Identifier: GPL-2.0
3 * linux/drivers/thermal/cpufreq_cooling.c
7 * Copyright (C) 2012-2018 Linaro Limited.
23 #include <linux/thermal.h>
25 #include <trace/events/thermal.h>
28 * Cooling state <-> CPUFreq frequency
36 * level 0 --> 1st Max Freq
37 * level 1 --> 2nd Max Freq
42 * struct time_in_idle - Idle time stats
43 * @time: previous reading of the absolute time that this cpu was idle
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/OK3568_Linux_fs/kernel/Documentation/driver-api/thermal/
H A Dintel_powerclamp.rst6 - Arjan van de Ven <arjan@linux.intel.com>
7 - Jacob Pan <jacob.jun.pan@linux.intel.com>
12 - Goals and Objectives
15 - Idle Injection
16 - Calibration
19 - Effectiveness and Limitations
20 - Power vs Performance
21 - Scalability
22 - Calibration
23 - Comparison with Alternative Techniques
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H A Dcpu-idle-cooling.rst1 .. SPDX-License-Identifier: GPL-2.0
4 CPU Idle Cooling
8 ----------
26 budget lower than the requested one and under-utilize the CPU, thus
27 losing performance. In other words, one OPP under-utilizes the CPU
33 ----------
37 decrease. Acting on the idle state duration or the idle cycle
44 that will result in loss of performance during thermal control and
47 At a specific OPP, we can assume that injecting idle cycle on all CPUs
49 idle state target residency, we lead to dropping the static and the
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/OK3568_Linux_fs/kernel/drivers/thermal/intel/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "Intel PowerClamp idle injection driver"
7 Enable this to enable Intel PowerClamp idle injection driver. This
8 enforce idle time which results in more package C-state residency. The
9 user interface is exposed via generic thermal framework.
12 tristate "X86 package temperature thermal driver"
19 thermal zone. Each package will have its own thermal zone. There are
20 two trip points which can be set by user to get notifications via thermal
34 tristate "Intel SoCs DTS thermal driver"
42 thermal zone. There are two trip points. One of the trip point can
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/OK3568_Linux_fs/kernel/arch/arm64/boot/dts/qcom/
H A Dmsm8998.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/clock/qcom,gcc-msm8998.h>
6 #include <dt-bindings/clock/qcom,gpucc-msm8998.h>
7 #include <dt-bindings/clock/qcom,rpmcc.h>
8 #include <dt-bindings/power/qcom-rpmpd.h>
9 #include <dt-bindings/gpio/gpio.h>
12 interrupt-parent = <&intc>;
14 qcom,msm-id = <292 0x0>;
16 #address-cells = <2>;
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H A Dsc7180.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
8 #include <dt-bindings/clock/qcom,dispcc-sc7180.h>
9 #include <dt-bindings/clock/qcom,gcc-sc7180.h>
10 #include <dt-bindings/clock/qcom,gpucc-sc7180.h>
11 #include <dt-bindings/clock/qcom,lpasscorecc-sc7180.h>
12 #include <dt-bindings/clock/qcom,rpmh.h>
13 #include <dt-bindings/clock/qcom,videocc-sc7180.h>
14 #include <dt-bindings/interconnect/qcom,osm-l3.h>
15 #include <dt-bindings/interconnect/qcom,sc7180.h>
16 #include <dt-bindings/interrupt-controller/arm-gic.h>
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H A Dqcs404.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/clock/qcom,gcc-qcs404.h>
6 #include <dt-bindings/clock/qcom,turingcc-qcs404.h>
7 #include <dt-bindings/clock/qcom,rpmcc.h>
8 #include <dt-bindings/power/qcom-rpmpd.h>
9 #include <dt-bindings/thermal/thermal.h>
12 interrupt-parent = <&intc>;
14 #address-cells = <2>;
15 #size-cells = <2>;
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H A Dmsm8916.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
6 #include <dt-bindings/arm/coresight-cti-dt.h>
7 #include <dt-bindings/clock/qcom,gcc-msm8916.h>
8 #include <dt-bindings/clock/qcom,rpmcc.h>
9 #include <dt-bindings/interconnect/qcom,msm8916.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/reset/qcom,gcc-msm8916.h>
12 #include <dt-bindings/thermal/thermal.h>
15 interrupt-parent = <&intc>;
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H A Dsdm845.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/clock/qcom,camcc-sdm845.h>
9 #include <dt-bindings/clock/qcom,dispcc-sdm845.h>
10 #include <dt-bindings/clock/qcom,gcc-sdm845.h>
11 #include <dt-bindings/clock/qcom,gpucc-sdm845.h>
12 #include <dt-bindings/clock/qcom,lpass-sdm845.h>
13 #include <dt-bindings/clock/qcom,rpmh.h>
14 #include <dt-bindings/clock/qcom,videocc-sdm845.h>
15 #include <dt-bindings/interconnect/qcom,osm-l3.h>
16 #include <dt-bindings/interconnect/qcom,sdm845.h>
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H A Dmsm8996.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
5 #include <dt-bindings/interrupt-controller/arm-gic.h>
6 #include <dt-bindings/clock/qcom,gcc-msm8996.h>
7 #include <dt-bindings/clock/qcom,mmcc-msm8996.h>
8 #include <dt-bindings/clock/qcom,rpmcc.h>
9 #include <dt-bindings/soc/qcom,apr.h>
12 interrupt-parent = <&intc>;
14 #address-cells = <2>;
15 #size-cells = <2>;
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/OK3568_Linux_fs/kernel/arch/arm/boot/dts/
H A Dqcom-apq8084.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/clock/qcom,gcc-apq8084.h>
6 #include <dt-bindings/gpio/gpio.h>
9 #address-cells = <1>;
10 #size-cells = <1>;
13 interrupt-parent = <&intc>;
15 reserved-memory {
16 #address-cells = <1>;
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H A Dqcom-msm8974.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/interconnect/qcom,msm8974.h>
5 #include <dt-bindings/interrupt-controller/arm-gic.h>
6 #include <dt-bindings/clock/qcom,gcc-msm8974.h>
7 #include <dt-bindings/clock/qcom,mmcc-msm8974.h>
8 #include <dt-bindings/clock/qcom,rpmcc.h>
9 #include <dt-bindings/reset/qcom,gcc-msm8974.h>
10 #include <dt-bindings/gpio/gpio.h>
13 #address-cells = <1>;
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/OK3568_Linux_fs/kernel/drivers/powercap/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
37 bool "Idle injection framework"
41 This enables support for the idle injection framework. It
42 provides a way to force idle periods on a set of specified
43 CPUs for power capping. Idle period can be injected
48 bool "Power capping for Dynamic Thermal Power Management (EXPERIMENTAL)"
51 thermal power management userspace engine.
/OK3568_Linux_fs/kernel/tools/power/x86/turbostat/
H A Dturbostat.83 turbostat \- Report processor frequency and idle statistics
12 .RB [ "\--interval seconds" ]
15 idle power-state statistics, temperature and power on X86 processors.
19 in one-shot upon its completion.
22 The 5-second interval can be changed using the --interval option.
26 Options can be specified with a single or double '-', and only as much of the option
27 name as necessary to disambiguate it from others is necessary. Note that options are case-sensitiv…
29 \fB--add attributes\fP add column with counter having specified 'attributes'. The 'location' attri…
41 MSRs are read as 64-bits, u32 truncates the displayed value to 32-bits.
51 Any string that does not match a key-word above is used
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/OK3568_Linux_fs/kernel/arch/arm64/boot/dts/freescale/
H A Dfsl-lx2160a.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 // Device Tree Include file for Layerscape-LX2160A family SoC.
5 // Copyright 2018-2020 NXP
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include <dt-bindings/thermal/thermal.h>
15 interrupt-parent = <&gic>;
16 #address-cells = <2>;
17 #size-cells = <2>;
24 #address-cells = <1>;
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H A Dfsl-ls1046a.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for NXP Layerscape-1046A family SoC.
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include <dt-bindings/thermal/thermal.h>
16 interrupt-parent = <&gic>;
17 #address-cells = <2>;
18 #size-cells = <2>;
35 #address-cells = <1>;
36 #size-cells = <0>;
40 compatible = "arm,cortex-a72";
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H A Dfsl-ls1088a.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for NXP Layerscape-1088A family SoC.
5 * Copyright 2017-2020 NXP
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/thermal/thermal.h>
15 interrupt-parent = <&gic>;
16 #address-cells = <2>;
17 #size-cells = <2>;
25 #address-cells = <1>;
26 #size-cells = <0>;
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H A Dfsl-ls1043a.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for NXP Layerscape-1043A family SoC.
5 * Copyright 2014-2015 Freescale Semiconductor, Inc.
11 #include <dt-bindings/thermal/thermal.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
16 interrupt-parent = <&gic>;
17 #address-cells = <2>;
18 #size-cells = <2>;
34 #address-cells = <1>;
35 #size-cells = <0>;
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H A Dfsl-ls1012a.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for NXP Layerscape-1012A family SoC.
6 * Copyright 2019-2020 NXP
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/thermal/thermal.h>
15 interrupt-parent = <&gic>;
16 #address-cells = <2>;
17 #size-cells = <2>;
22 rtic-a = &rtic_a;
23 rtic-b = &rtic_b;
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/OK3568_Linux_fs/kernel/tools/thermal/tmon/
H A Dtmon.82 # SPDX-License-Identifier: GPL-2.0
4 \fBtmon\fP - A monitoring and testing tool for Linux kernel thermal subsystem
12 \fBtmon \fP can be used to visualize thermal relationship and
13 real-time thermal data; tune
14 and test cooling devices and sensors; collect thermal data for offline
21 1. Thermal relationships:
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
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