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/linux/tools/power/cpupower/man/
H A Dcpupower-monitor.11 .TH CPUPOWER\-MONITOR "1" "22/02/2011" "" "cpupower Manual"
3 cpupower\-monitor \- Report processor frequency and idle statistics
6 .B cpupower monitor
7 .RB "\-l"
9 .B cpupower monitor
10 .RB [ -c ] [ "\-m <mon1>," [ "<mon2>,..." ] ]
11 .RB [ "\-i seconds" ]
13 .B cpupower monitor
14 .RB [ -c ][ "\-m <mon1>," [ "<mon2>,..." ] ]
18 \fBcpupower-monitor \fP reports processor topology, frequency and idle power
[all …]
H A Dcpupower-idle-info.11 .TH "CPUPOWER-IDLE-INFO" "1" "0.1" "" "cpupower Manual"
4 cpupower\-idle\-info \- Utility to retrieve cpu idle kernel information
7 cpupower [ \-c cpulist ] idle\-info [\fIoptions\fP]
14 \fB\-f\fR \fB\-\-silent\fR
15 Only print a summary of all available C-states in the system.
17 \fB\-e\fR \fB\-\-proc\fR
19 Prints out idle information in old /proc/acpi/processor/*/power format. This
23 .SH IDLE\-INFO DESCRIPTIONS
37 which monitor the duration of sleep states the processor resided in. The
38 cpupower monitor tool (cpupower\-monitor(1)) can be used to show real sleep
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/linux/Documentation/hwmon/
H A Ducd9000.rst11 Addresses scanned: -
15 - http://focus.ti.com/lit/ds/symlink/ucd90120.pdf
16 - http://focus.ti.com/lit/ds/symlink/ucd90124.pdf
17 - http://focus.ti.com/lit/ds/symlink/ucd90160.pdf
18 - http://focus.ti.com/lit/ds/symlink/ucd90320.pdf
19 - http://focus.ti.com/lit/ds/symlink/ucd9090.pdf
20 - http://focus.ti.com/lit/ds/symlink/ucd90910.pdf
22 Author: Guenter Roeck <linux@roeck-us.net>
26 -----------
30 The UCD90120 Power Supply Sequencer and System Health Monitor monitors and
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H A Dina2xx.rst10 Addresses: I2C 0x40 - 0x4f
20 Addresses: I2C 0x40 - 0x4f
30 Addresses: I2C 0x40 - 0x4f
40 Addresses: I2C 0x40 - 0x4f
50 Addresses: I2C 0x40 - 0x4f
60 Addresses: I2C 0x40 - 0x4f
70 Addresses: I2C 0x40 - 0x4f
80 -----------
82 The INA219 is a high-side current shunt and power monitor with an I2C
86 The INA220 is a high or low side current shunt and power monitor with an I2C
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H A Dltc2992.rst1 .. SPDX-License-Identifier: GPL-2.0
9 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2992.pdf
15 -----------
17 This driver supports hardware monitoring for Linear Technology LTC2992 power monitor.
19 LTC2992 is a rail-to-rail system monitor that measures current,
20 voltage, and power of two supplies.
27 -------------
29 The following attributes are supported. Limits are read-write,
30 all other attributes are read-only.
50 powerX_input Measured power.
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H A Dlochnagar.rst10 -----------
12 Lochnagar 2 features built-in Current Monitor circuitry that allows for the
14 rails provided to the minicards. The Current Monitor does not require any
22 ----------------
30 power1_average Measured average power for DBVDD1 (microWatts)
31 power1_average_interval Power averaging time input valid from 1 to 1708mS
37 power2_average Measured average power for 1V8 DSP (microWatts)
38 power2_average_interval Power averaging time input valid from 1 to 1708mS
44 power3_average Measured average power for 1V8 CDC (microWatts)
45 power3_average_interval Power averaging time input valid from 1 to 1708mS
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/linux/Documentation/devicetree/bindings/iio/addac/
H A Dadi,ad74115.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Cosmin Tanislav <cosmin.tanislav@analog.com>
13 The AD74115H is a single-channel software configurable input/output
17 chip solution with an SPI interface. The device features a 16-bit ADC and a
18 14-bit DAC.
25 - adi,ad74115h
30 spi-max-frequency:
33 spi-cpol: true
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/linux/drivers/firmware/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 # see Documentation/kbuild/kconfig-language.rst.
12 tristate "ARM System Control and Power Interface (SCPI) Message Protocol"
16 System Control and Power Interface (SCPI) Message Protocol is
19 provides a mechanism for inter-processor communication between SCP
22 SCP controls most of the power management on the Application
24 power states, various power domain DVFS including the core/cluster,
61 bool "Add firmware-provided memory map to sysfs" if EXPERT
64 Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap.
68 See also Documentation/ABI/testing/sysfs-firmware-memmap.
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/linux/Documentation/devicetree/bindings/
H A Dtrivial-devices.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/trivial-devices.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
27 spi-max-frequency: true
32 - enum:
33 # Acbel fsg032 power supply
34 - acbel,fsg032
35 … # SMBus/I2C Digital Temperature Sensor in 6-Pin SOT with SMBus Alert and Over Temperature Pin
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/linux/Documentation/devicetree/bindings/hwmon/
H A Dadi,ltc2945.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices LTC2945 wide range i2c power monitor
10 - Guenter Roeck <linux@roeck-us.net>
13 Analog Devices LTC2945 wide range i2c power monitor over I2C.
15 https://www.analog.com/media/en/technical-documentation/data-sheets/LTC2945.pdf
20 - adi,ltc2945
25 shunt-resistor-micro-ohms:
27 Shunt resistor value in micro-Ohms
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H A Dadi,ltc2992.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Linear Technology 2992 Power Monitor
10 - Alexandru Tachici <alexandru.tachici@analog.com>
13 Linear Technology 2992 Dual Wide Range Power Monitor
14 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2992.pdf
19 - adi,ltc2992
24 '#address-cells':
27 '#size-cells':
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H A Dadi,adm1177.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
10 - Michael Hennerich <michael.hennerich@analog.com>
13 Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
14 https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
19 - adi,adm1177
24 avcc-supply:
26 Phandle to the Avcc power supply
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/linux/drivers/sbus/char/
H A Denvctrl.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * VT - The implementation is to support Sun Microelectronics (SME) platform
8 * controller to access pcf8591 (8-bit A/D and D/A converter) and
9 * pcf8571 (256 x 8-bit static low-voltage RAM with I2C-bus interface).
11 * http://www-eu2.semiconductors.com/pip/PCF8584P
12 * http://www-eu2.semiconductors.com/pip/PCF8574AP
13 * http://www-eu2.semiconductors.com/pip/PCF8591P
15 * EB - Added support for CP1500 Global Address and PS/Voltage monitoring.
18 * DB - Audit every copy_to_user in envctrl_read.
77 /* Monitor type of i2c child device.
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/linux/Documentation/ABI/testing/
H A Dsysfs-driver-ufs3 Contact: linux-scsi@vger.kernel.org
5 This file contains the auto-hibernate idle timer setting of a
6 UFS host controller. A value of '0' means auto-hibernate is not
9 the link into hibernate state. That will save power at the
11 10-bit values with a power-of-ten multiplier which allows a
104 Description: This file shows value that defines the power mode after
273 written during the pre-soldering phase of the PSA flow.
307 Description: This file shows the MIPI M-PHY version number in BCD format.
395 Description: This file shows the maximum data-in buffer size. This
406 Description: This file shows the maximum data-out buffer size. This
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/linux/Documentation/devicetree/bindings/power/
H A Damlogic,meson-sec-pwrc.yaml1 # SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 ---
6 $id: http://devicetree.org/schemas/power/amlogic,meson-sec-pwrc.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 title: Amlogic Meson Secure Power Domains
12 - Jianxin Pan <jianxin.pan@amlogic.com>
15 Secure Power Domains used in Meson A1/C1/S4 & C3/T7 SoCs, and should be the child node
16 of secure-monitor.
21 - amlogic,meson-a1-pwrc
22 - amlogic,meson-s4-pwrc
[all …]
/linux/drivers/power/supply/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "Power supply class support"
5 Say Y here to enable power supply class support. This allows
6 power supply (batteries, AC, USB) monitoring by userspace
13 bool "Power supply debug"
15 Say Y here to enable debugging messages for power supply class
20 prompt "Expose power supply sensors as hwmon device"
25 power supply device (current, voltage, temperature) to be
28 Say 'Y' here if you want power supplies to
46 tristate "Injoinic IP5xxx power bank IC driver"
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/linux/Documentation/devicetree/bindings/firmware/
H A Damlogic,meson-gxbb-sm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/firmware/amlogic,meson-gxbb-sm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Amlogic Secure Monitor (SM)
10 In the Amlogic SoCs the Secure Monitor code is used to provide access to the
14 - Neil Armstrong <neil.armstrong@linaro.org>
19 - const: amlogic,meson-gxbb-sm
20 - items:
21 - const: amlogic,meson-gx-sm
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/linux/drivers/platform/x86/
H A Dintel_ips.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2009-2010 Intel Corporation
10 * Some Intel Ibex Peak based platforms support so-called "intelligent
11 * power sharing", which allows the CPU and GPU to cooperate to maximize
14 * power statistics in the platform, and initializes power monitoring
17 * by tracking power and thermal budget; secondarily it can boost turbo
18 * performance by allocating more power or thermal budget to the CPU or GPU
22 * thermal headroom is available, the CPU and/or GPU power clamps may be
34 * - dual MCP configs
37 * - handle CPU hotplug
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/linux/tools/power/cpupower/
H A DTODO3 - Use bitmask functions to parse CPU topology more robust
5 - Try to read out boost states and frequencies on Intel
6 - Somewhere saw the ability to read power consumption of
7 RAM from HW on Intel SandyBridge -> another monitor?
8 - Add another c1e debug idle monitor
9 -> Is by design racy with BIOS, but could be added
10 with a --force option and some "be careful" messages
11 - Add cpu_start()/cpu_stop() callbacks for monitor
12 -> This is to move the per_cpu logic from inside the
13 monitor to outside it. This can be given higher
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/linux/drivers/hwmon/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
11 Hardware monitoring devices let you monitor the hardware health
20 sensors-detect script from the lm_sensors package. Read
21 <file:Documentation/hwmon/userspace-tools.rst> for details.
75 current and power sensors of Ampere's Altra processor family SoC
76 with SMpro co-processor.
278 will be called as370-hwmon.
311 will be called axi-fan-control
320 lm-sensors 2.10.1 for proper userspace support.
359 tristate "AMD Family 15h processor power"
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H A Dltc2947-i2c.c1 // SPDX-License-Identifier: GPL-2.0
3 * Analog Devices LTC2947 high precision power and energy monitor over I2C
26 return ltc2947_core_probe(map, i2c->name); in ltc2947_probe()
47 MODULE_DESCRIPTION("LTC2947 I2C power and energy monitor driver");
/linux/arch/x86/include/asm/
H A Dmwait.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 #include <asm/nospec-branch.h>
34 asm volatile("monitor" :: "a" (eax), "c" (ecx), "d" (edx)); in __monitor()
74 * MONITOR MONITORX
76 * EAX (logical) address to monitor
89 * Re-enable interrupts right upon calling mwait in such a way that
104 * This uses new MONITOR/MWAIT instructions on P4 processors with PNI,
106 * We execute MONITOR against need_resched and enter optimized wait state
121 const void *addr = &current_thread_info()->flags; in mwait_idle_with_hints()
143 * power saving) or C0.2 state (saves more power, but longer wakeup
/linux/Documentation/devicetree/bindings/iio/adc/
H A Drichtek,rtq6056.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RTQ6056 Bi-Directional Current and Power Monitor with 16-bit ADC
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RTQ6056 is a high accuracy current-sense monitor with I2C and SMBus
15 out the loading current and power.
18 voltage, converts into the current in amperes, and power in watts through
19 internal analog-to-digital converter ADC. The programmable calibration,
24 https://www.richtek.com/assets/product_file/RTQ6056/DSQ6056-00.pdf
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/linux/Documentation/devicetree/bindings/nvmem/
H A Damlogic,meson-gxbb-efuse.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/nvmem/amlogic,meson-gxbb-efuse.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Neil Armstrong <neil.armstrong@linaro.org>
13 - $ref: nvmem.yaml#
14 - $ref: nvmem-deprecated-cells.yaml#
19 - const: amlogic,meson-gxbb-efuse
20 - items:
21 - const: amlogic,meson-gx-efuse
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/linux/Documentation/devicetree/bindings/power/supply/
H A Dcw2015_battery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/cw2015_battery.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tobias Schramm <t.schramm@manjaro.org>
13 The driver can utilize information from a simple-battery linked via a
14 phandle in monitored-battery. If specified the driver uses the
15 charge-full-design-microamp-hours property of the battery.
18 - $ref: power-supply.yaml#
27 cellwise,battery-profile:
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