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/linux-6.12.1/arch/arm64/boot/dts/qcom/
Dsc7180-trogdor-pompom.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include "sc7180-trogdor.dtsi"
9 #include "sc7180-trogdor-clamshell.dtsi"
10 #include "sc7180-trogdor-rt5682i-sku.dtsi"
11 #include "sc7180-trogdor-ti-sn65dsi86.dtsi"
14 thermal-zones {
15 5v-choke-thermal {
16 thermal-sensors = <&pm6150_adc_tm 1>;
19 5v-choke-crit {
30 realtek,dmic-clk-driving-high;
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Dsc7180-trogdor-homestar.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include "sc7180-trogdor-rt5682i-sku.dtsi"
9 #include "sc7180-trogdor-detachable.dtsi"
12 /* BOARD-SPECIFIC TOP LEVEL NODES */
14 max98360a_1: amplifier-1 {
16 #sound-dai-cells = <0>;
19 max98360a_2: amplifier-2 {
21 #sound-dai-cells = <0>;
24 max98360a_3: amplifier-3 {
26 #sound-dai-cells = <0>;
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Dsc7180.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
5 * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
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/firmware/qcom,scm.h>
15 #include <dt-bindings/interconnect/qcom,icc.h>
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Dsc7180-trogdor-wormdingler.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
10 #include "sc7180-trogdor.dtsi"
11 #include "sc7180-trogdor-detachable.dtsi"
14 avdd_lcd: avdd-lcd-regulator {
15 compatible = "regulator-fixed";
16 regulator-name = "avdd_lcd";
19 enable-active-high;
20 pinctrl-names = "default";
21 pinctrl-0 = <&avdd_lcd_en>;
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Dsc7180-trogdor-coachz.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include "sc7180-trogdor.dtsi"
9 #include "sc7180-trogdor-ti-sn65dsi86.dtsi"
10 #include "sc7180-trogdor-detachable.dtsi"
12 /* Deleted nodes from sc7180-trogdor.dtsi */
14 /delete-node/ &pp3300_codec;
17 /* BOARD-SPECIFIC TOP LEVEL NODES */
19 adau7002: audio-codec-1 {
21 IOVDD-supply = <&pp1800_l15a>;
22 wakeup-delay-ms = <80>;
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/linux-6.12.1/Documentation/driver-api/thermal/
Dcpu-idle-cooling.rst1 .. SPDX-License-Identifier: GPL-2.0
8 ----------
13 act on a cooling device to mitigate the dissipated power. When the
20 to the static leakage. The only solution is to power down the
24 Last but not least, the system can ask for a specific power budget but
25 because of the OPP density, we can only choose an OPP with a power
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
28 with a power less than the requested power budget and the next OPP
29 exceeds the power budget. An intermediate OPP could have been used if
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Dpower_allocator.rst2 Power allocator governor tunables
6 -----------
20 --------------
22 The power allocator governor implements a
23 Proportional-Integral-Derivative controller (PID controller) with
24 temperature as the control input and power as the controlled output:
29 - e = desired_temperature - current_temperature
30 - err_integral is the sum of previous errors
31 - diff_err = e - previous_error
39 | +----------+ +---+
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Dsysfs-api.rst17 This how-to focuses on enabling new thermal zone and cooling devices to
28 - `[0-*]` denotes any positive number starting from 0
29 - `[1-*]` denotes any positive number starting from 1
35 ---------------------------------
49 /sys/class/thermal folder as `thermal_zone[0-*]`. It tries to bind all the
59 thermal zone device call-backs.
112 pointed by dev->of_node as temperature providers. For the zone
120 dev->of_node.
212 ------------------------------------
222 to /sys/class/thermal/ folder as `cooling_device[0-*]`. It tries to bind itself
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/linux-6.12.1/drivers/thermal/
Dgov_power_allocator.c1 // SPDX-License-Identifier: GPL-2.0
3 * A power allocator to manage temperature
9 #define pr_fmt(fmt) "Power allocator: " fmt
24 * mul_frac() - multiply two fixed-point numbers
28 * Return: the result of multiplying two fixed-point numbers. The
29 * result is also a fixed-point number.
37 * div_frac() - divide two fixed-point numbers
41 * Return: the result of dividing two fixed-point numbers. The
42 * result is also a fixed-point number.
50 * struct power_actor - internal power information for power actor
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Dthermal_of.c1 // SPDX-License-Identifier: GPL-2.0
3 * of-thermal.c - Generic Thermal Management device tree support.
35 * thermal_of_get_trip_type - Get phy mode for given device_node
60 return -ENODEV; in thermal_of_get_trip_type()
74 trip->temperature = prop; in thermal_of_populate_trip()
81 trip->hysteresis = prop; in thermal_of_populate_trip()
83 ret = thermal_of_get_trip_type(np, &trip->type); in thermal_of_populate_trip()
89 trip->flags = THERMAL_TRIP_FLAG_RW_TEMP; in thermal_of_populate_trip()
91 trip->priv = np; in thermal_of_populate_trip()
114 ret = -ENOMEM; in thermal_of_trips_init()
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/linux-6.12.1/Documentation/devicetree/bindings/thermal/
Dthermal-zones.yaml1 # 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 - Daniel Lezcano <daniel.lezcano@linaro.org>
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.
27 The polling-delay properties of a thermal-zone are bound to the maximum dT/dt
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/linux-6.12.1/arch/arm64/boot/dts/rockchip/
Drk3399-gru-kevin.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Google Gru-Kevin Rev 6+ board device tree source
5 * Copyright 2016-2017 Google, Inc
8 /dts-v1/;
9 #include "rk3399-gru-chromebook.dtsi"
10 #include <dt-bindings/input/linux-event-codes.h>
13 * Kevin-specific things
21 compatible = "google,kevin-rev15", "google,kevin-rev14",
22 "google,kevin-rev13", "google,kevin-rev12",
23 "google,kevin-rev11", "google,kevin-rev10",
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Drk3399-rock960.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include "rk3399-rock960.dtsi"
14 stdout-path = "serial2:1500000n8";
18 compatible = "gpio-leds";
19 pinctrl-names = "default";
20 pinctrl-0 = <&user_led1_pin>, <&user_led2_pin>,
24 user_led1: led-1 {
27 linux,default-trigger = "heartbeat";
30 user_led2: led-2 {
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/linux-6.12.1/arch/arm64/boot/dts/mediatek/
Dmt8183.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
8 #include <dt-bindings/clock/mt8183-clk.h>
9 #include <dt-bindings/gce/mt8183-gce.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/memory/mt8183-larb-port.h>
13 #include <dt-bindings/power/mt8183-power.h>
14 #include <dt-bindings/reset/mt8183-resets.h>
15 #include <dt-bindings/phy/phy.h>
16 #include <dt-bindings/thermal/thermal.h>
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/linux-6.12.1/arch/arm64/boot/dts/amlogic/
Dmeson-a1-ad402.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include "meson-a1.dtsi"
10 #include <dt-bindings/thermal/thermal.h>
21 stdout-path = "serial0:115200n8";
29 reserved-memory {
33 no-map;
39 compatible = "linaro,optee-tz";
44 battery_4v2: regulator-battery-4v2 {
45 compatible = "regulator-fixed";
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/linux-6.12.1/drivers/gpu/drm/amd/pm/swsmu/inc/
Damdgpu_smu.h44 // Power Throttlers
189 * Structure to hold a SMU Power State.
218 SMU_PPT_LIMIT_MIN = -1,
621 * struct pptable_funcs - Callbacks used to interact with the SMU.
626 * power delivery and voltage margins. Required for adaptive
639 * @get_current_power_state: Get the current power state.
641 * Return: Current power state on success, negative errno on failure.
654 * @populate_umd_state_clk: Populate the UMD power state table with
725 * @get_power_profile_mode: Print all power profile modes to
731 * @set_power_profile_mode: Set a power profile mode. Also used to
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/linux-6.12.1/Documentation/driver-api/md/
Draid5-cache.rst7 caches data to the RAID disks. The cache can be in write-through (supported
8 since 4.4) or write-back mode (supported since 4.10). mdadm (supported since
9 3.4) has a new option '--write-journal' to create array with cache. Please
11 in write-through mode. A user can switch it to write-back mode by::
13 echo "write-back" > /sys/block/md0/md/journal_mode
15 And switch it back to write-through mode by::
17 echo "write-through" > /sys/block/md0/md/journal_mode
20 the cache disk must be fast and sustainable.
22 write-through mode
34 The write-through cache will cache all data on cache disk first. After the data
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/linux-6.12.1/include/linux/
Dthermal.h1 /* SPDX-License-Identifier: GPL-2.0 */
21 #define THERMAL_CSTATE_INVALID -1UL
30 #define THERMAL_TEMP_INVALID -274000
52 THERMAL_DEVICE_POWER_CAPABILITY_CHANGED, /* power capability changed */
62 * struct thermal_trip - representation of a point in temperature domain
152 * Sustainable power (heat) that this thermal zone can dissipate in
203 return ERR_PTR(-ENOTSUPP); in devm_thermal_of_zone_register()
280 { return ERR_PTR(-ENODEV); } in thermal_zone_device_register_with_trips()
287 { return ERR_PTR(-ENODEV); } in thermal_tripless_zone_device_register()
295 { return ERR_PTR(-ENODEV); } in thermal_cooling_device_register()
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/linux-6.12.1/Documentation/admin-guide/pm/
Dintel_pstate.rst1 .. SPDX-License-Identifier: GPL-2.0
22 Documentation/admin-guide/pm/cpufreq.rst if you have not done that yet.]
24 For the processors supported by ``intel_pstate``, the P-state concept is broader
27 information about that). For this reason, the representation of P-states used
32 ``intel_pstate`` maps its internal representation of P-states to frequencies too
38 Since the hardware P-state selection interface used by ``intel_pstate`` is
43 time the corresponding CPU is taken offline and need to be re-initialized when
47 only way to pass early-configuration-time parameters to it is via the kernel
66 -----------
69 hardware-managed P-states (HWP) support. If it works in this mode, the
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/linux-6.12.1/arch/arm/boot/dts/mediatek/
Dmt2701.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/clock/mt2701-clk.h>
9 #include <dt-bindings/phy/phy.h>
10 #include <dt-bindings/power/mt2701-power.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/memory/mt2701-larb-port.h>
14 #include <dt-bindings/reset/mt2701-resets.h>
15 #include "mt2701-pinfunc.h"
18 #address-cells = <2>;
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/linux-6.12.1/arch/arm64/boot/dts/allwinner/
Dsun50i-h616.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/interrupt-controller/arm-gic.h>
7 #include <dt-bindings/clock/sun50i-h616-ccu.h>
8 #include <dt-bindings/clock/sun50i-h6-r-ccu.h>
9 #include <dt-bindings/clock/sun6i-rtc.h>
10 #include <dt-bindings/reset/sun50i-h616-ccu.h>
11 #include <dt-bindings/reset/sun50i-h6-r-ccu.h>
12 #include <dt-bindings/thermal/thermal.h>
15 interrupt-parent = <&gic>;
16 #address-cells = <2>;
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/linux-6.12.1/arch/arm64/boot/dts/renesas/
Dr8a77961.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the R-Car M3-W+ (R8A77961) SoC
5 * Copyright (C) 2016-2017 Renesas Electronics Corp.
8 #include <dt-bindings/clock/r8a77961-cpg-mssr.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/power/r8a77961-sysc.h>
14 #address-cells = <2>;
15 #size-cells = <2>;
23 compatible = "fixed-clock";
24 #clock-cells = <0>;
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Dr8a774a1.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/clock/r8a774a1-cpg-mssr.h>
11 #include <dt-bindings/power/r8a774a1-sysc.h>
15 #address-cells = <2>;
16 #size-cells = <2>;
24 compatible = "fixed-clock";
25 #clock-cells = <0>;
26 clock-frequency = <0>;
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Dr8a774b1.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/clock/r8a774b1-cpg-mssr.h>
11 #include <dt-bindings/power/r8a774b1-sysc.h>
15 #address-cells = <2>;
16 #size-cells = <2>;
24 compatible = "fixed-clock";
25 #clock-cells = <0>;
26 clock-frequency = <0>;
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/linux-6.12.1/tools/power/x86/turbostat/
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…
36 … event for given device from /sys/bus/event_source/devices/<device>/events/<event> eg. c1-residency
37 …perf/cstate_core/c1-residency would then use /sys/bus/event_source/devices/cstate_core/events/c1-r…
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