| /Linux-v5.10/drivers/power/reset/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "Board level reset or power off"
6 or shut it down, by manipulating the main power supply on the board.
8 Say Y here to enable board reset and power off
13 bool "ams AS3722 power-off driver"
14 depends on MFD_AS3722
16 This driver supports turning off board via a ams AS3722 power-off.
20 depends on ARCH_AT91
28 depends on ARCH_AT91
35 tristate "Atmel AT91 SAMA5D2-Compatible shutdown controller driver"
[all …]
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| /Linux-v5.10/drivers/mfd/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
17 depends on PCI && (X86_32 || (X86 && COMPILE_TEST))
24 depends on ARCH_SOCFPGA && SPI_MASTER=y && OF
31 power supply alarms (hwmon).
35 depends on (ARCH_SOCFPGA || ARCH_STRATIX10) && OF
44 tristate "Active-semi ACT8945A"
47 depends on I2C && OF
49 Support for the ACT8945A PMIC from Active-semi. This device
50 features three step-down DC/DC converters and four low-dropout
59 depends on ARCH_SUNXI || COMPILE_TEST
[all …]
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| /Linux-v5.10/drivers/regulator/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
15 output in order to save power and prolong battery life. This applies
38 managed regulators and simple non-configurable regulators.
55 control power supplies for such devices.
61 depends on I2C
65 They provide two I2C-controlled DC/DC step-down converters with
69 tristate "Marvell 88PM800 Power regulators"
70 depends on MFD_88PM800
79 tristate "Marvell 88PM8607 Power regulators"
80 depends on MFD_88PM860X=y
[all …]
|
| /Linux-v5.10/Documentation/driver-api/thermal/ |
| D | power_allocator.rst | 2 Power allocator governor tunables
6 -----------
10 1. "switch on" trip point: temperature above which the governor
15 "switch on" trip point. This the target temperature the governor
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
[all …]
|
| D | cpu-idle-cooling.rst | 1 .. 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
[all …]
|
| /Linux-v5.10/drivers/power/supply/ |
| D | Kconfig | 1 # 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"
21 depends on HWMON=y || HWMON=POWER_SUPPLY
24 This options enables API that allows sensors found on a
25 power supply device (current, voltage, temperature) to be
[all …]
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| /Linux-v5.10/drivers/soc/amlogic/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
6 depends on ARCH_MESON || COMPILE_TEST
13 depends on ARCH_MESON || COMPILE_TEST
22 depends on ARCH_MESON || COMPILE_TEST
30 bool "Amlogic Meson GX Power Domains driver"
31 depends on ARCH_MESON || COMPILE_TEST
32 depends on PM && OF
37 Say yes to expose Amlogic Meson GX Power Domains as
38 Generic Power Domains.
41 bool "Amlogic Meson Everything-Else Power Domains driver"
[all …]
|
| /Linux-v5.10/Documentation/hwmon/ |
| D | occ.rst | 1 Kernel driver occ-hwmon
12 -----------
14 This driver supports hardware monitoring for the On-Chip Controller (OCC)
15 embedded on POWER processors. The OCC is a device that collects and aggregates
17 sensor data as well as perform thermal and power management on the system.
20 manually if an "ibm,p8-occ-hwmon" compatible device is found under the
21 appropriate I2C bus node in the device-tree.
23 The P9 version of this driver is a client driver of the FSI-based OCC driver.
24 It will be probed automatically by the FSI-based OCC driver.
27 -------------
[all …]
|
| /Linux-v5.10/drivers/input/misc/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
18 depends on MFD_88PM860X
21 reporting power button status.
28 depends on MFD_88PM800
31 reporting power button status.
38 depends on AB8500_CORE
40 Say Y here to use the PowerOn Key for ST-Ericsson's AB8500
41 Mix-Sig PMIC.
44 will be called ab8500-ponkey.
58 depends on INPUT_AD714X && I2C
[all …]
|
| /Linux-v5.10/drivers/usb/typec/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
4 tristate "USB Type-C Support"
6 USB Type-C Specification defines a cable and connector for USB where
7 only one type of plug is supported on both ends, i.e. there will not
8 be Type-A plug on one end of the cable and Type-B plug on the other.
9 Determination of the host-to-device relationship happens through a
10 specific Configuration Channel (CC) which goes through the USB Type-C
12 Accessory Modes - Analog Audio and Debug - and if USB Power Delivery
16 USB Power Delivery Specification defines a protocol that can be used
18 partners. USB Power Delivery allows higher voltages then the normal
[all …]
|
| /Linux-v5.10/Documentation/devicetree/bindings/arm/tegra/ |
| D | nvidia,tegra20-pmc.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/arm/tegra/nvidia,tegra20-pmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Tegra Power Management Controller (PMC)
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jonathan Hunter <jonathanh@nvidia.com>
16 - nvidia,tegra20-pmc
17 - nvidia,tegra20-pmc
18 - nvidia,tegra30-pmc
[all …]
|
| D | nvidia,tegra186-pmc.txt | 1 NVIDIA Tegra Power Management Controller (PMC)
4 - compatible: Should contain one of the following:
5 - "nvidia,tegra186-pmc": for Tegra186
6 - "nvidia,tegra194-pmc": for Tegra194
7 - "nvidia,tegra234-pmc": for Tegra234
8 - reg: Must contain an (offset, length) pair of the register set for each
9 entry in reg-names.
10 - reg-names: Must include the following entries:
11 - "pmc"
12 - "wake"
[all …]
|
| /Linux-v5.10/Documentation/driver-api/usb/ |
| D | power-management.rst | 1 .. _usb-power-management:
3 Power Management for USB
7 :Date: Last-updated: February 2014
11 ---------
12 * What is Power Management?
17 * Changing the default idle-delay time
19 * The driver interface for Power Management
25 * USB Port Power Control
26 * User Interface for Port Power Control
27 * Suggested Userspace Port Power Policy
[all …]
|
| /Linux-v5.10/Documentation/driver-api/pm/ |
| D | devices.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 Device Power Management Basics
10 :Copyright: |copy| 2010-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
17 Most of the code in Linux is device drivers, so most of the Linux power
18 management (PM) code is also driver-specific. Most drivers will do very
22 This writeup gives an overview of how drivers interact with system-wide
23 power management goals, emphasizing the models and interfaces that are
25 background for the domain-specific work you'd do with any specific driver.
28 Two Models for Device Power Management
31 Drivers will use one or both of these models to put devices into low-power
[all …]
|
| /Linux-v5.10/Documentation/networking/device_drivers/wifi/intel/ |
| D | ipw2100.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 - Intel(R) PRO/Wireless 2100 Network Connection
12 Copyright |copy| 2003-2006, Intel Corporation
16 :Version: git-1.1.5
23 2. Release git-1.1.5 Current Features
28 7. Power Management
51 parameters include, without limitation, RF power, spectrum usage,
64 the warranty and/or issues arising from regulatory non-compliance, and
69 modules, and accordingly, condition system-level regulatory approval
72 non-compliant.
[all …]
|
| /Linux-v5.10/Documentation/trace/coresight/ |
| D | coresight-cpu-debug.rst | 9 ------------
11 Coresight CPU debug module is defined in ARMv8-a architecture reference manual
13 debug module and it is mainly used for two modes: self-hosted debug and
15 debugger connects with SoC from JTAG port; on the other hand the program can
16 explore debugging method which rely on self-hosted debug mode, this document
17 is to focus on this part.
19 The debug module provides sample-based profiling extension, which can be used
21 every CPU has one dedicated debug module to be connected. Based on self-hosted
29 --------------
31 - During driver registration, it uses EDDEVID and EDDEVID1 - two device ID
[all …]
|
| /Linux-v5.10/kernel/power/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
4 depends on ARCH_SUSPEND_POSSIBLE
9 suspend-to-RAM state (e.g. the ACPI S3 state).
14 depends on SUSPEND
23 bool "Skip kernel's sys_sync() on suspend to RAM/standby"
24 depends on SUSPEND
25 depends on EXPERT
28 Some systems prefer not to pay this cost on every invocation
30 user-space before invoking suspend. There's a run-time switch
31 at '/sys/power/sync_on_suspend' to configure this behaviour.
[all …]
|
| /Linux-v5.10/drivers/powercap/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # Generic power capping sysfs interface configuration
9 The power capping sysfs interface allows kernel subsystems to expose power
12 power zones representing parts of the system that can be subject to power
24 depends on X86 && IOSF_MBI
27 This enables support for the Intel Running Average Power Limit (RAPL)
28 technology via MSR interface, which allows power limits to be enforced
29 and monitored on modern Intel processors (Sandy Bridge and later).
33 controller, CPU core (Power Plane 0), graphics uncore (Power Plane
38 depends on CPU_IDLE
[all …]
|
| /Linux-v5.10/drivers/soc/qcom/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
9 depends on ARCH_QCOM || COMPILE_TEST
10 depends on MAILBOX
11 depends on COMMON_CLK && PM
15 the low-power state for resources related to the remoteproc
16 subsystems as well as controlling the debug clocks exposed by the Always On
21 depends on ARCH_QCOM || COMPILE_TEST
22 depends on OF_RESERVED_MEM
26 resource on a RPM-hardened platform must use this database to get
30 tristate "QCOM Core Power Reduction (CPR) support"
[all …]
|
| /Linux-v5.10/arch/sparc/include/asm/ |
| D | auxio_64.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
13 * sbus-based NCR89C105 "Slavio"
15 * Power (AUX2) register
17 * ebus-based auxio on PCIO
19 * Power Auxio Register
24 * -------------------------------------------------
26 * -------------------------------------------------
27 * (R) - bit 7:6,4 are reserved and should be masked in s/w
28 * D - Floppy Density Sense (1=high density) R/O
29 * E - Link Test Enable, directly reflected on AT&T 7213 LTE pin
[all …]
|
| /Linux-v5.10/Documentation/ABI/testing/ |
| D | sysfs-devices-power | 1 What: /sys/devices/.../power/
5 The /sys/devices/.../power directory contains attributes
6 allowing the user space to check and modify some power
9 What: /sys/devices/.../power/wakeup
13 The /sys/devices/.../power/wakeup attribute allows the user
21 have one of the following two values for the sysfs power/wakeup
35 What: /sys/devices/.../power/control
39 The /sys/devices/.../power/control attribute allows the user
40 space to control the run-time power management of the device.
43 power/control file:
[all …]
|
| /Linux-v5.10/Documentation/devicetree/bindings/sound/ |
| D | st,sta350.txt | 7 - compatible: "st,sta350"
8 - reg: the I2C address of the device for I2C
9 - reset-gpios: a GPIO spec for the reset pin. If specified, it will be
12 - power-down-gpios: a GPIO spec for the power down pin. If specified,
16 - vdd-dig-supply: regulator spec, providing 3.3V
17 - vdd-pll-supply: regulator spec, providing 3.3V
18 - vcc-supply: regulator spec, providing 5V - 26V
22 - st,output-conf: number, Selects the output configuration:
23 0: 2-channel (full-bridge) power, 2-channel data-out
24 1: 2 (half-bridge). 1 (full-bridge) on-board power
[all …]
|
| /Linux-v5.10/Documentation/admin-guide/pm/ |
| D | sleep-states.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 Sleep states are global low-power states of the entire system in which user
21 Depending on its configuration and the capabilities of the platform it runs on,
28 Suspend-to-Idle
29 ---------------
31 This is a generic, pure software, light-weight variant of system suspend (also
34 I/O devices into low-power states (possibly lower-power than available in the
38 The system is woken up from this state by in-band interrupts, so theoretically
42 This state can be used on platforms without support for :ref:`standby <standby>`
43 or :ref:`suspend-to-RAM <s2ram>`, or it can be used in addition to any of the
[all …]
|
| /Linux-v5.10/Documentation/devicetree/bindings/mfd/ |
| D | max77620.txt | 1 MAX77620 Power management IC from Maxim Semiconductor.
4 -------------------
5 - compatible: Must be one of
9 - reg: I2C device address.
12 -------------------
13 - interrupts: The interrupt on the parent the controller is
15 - interrupt-controller: Marks the device node as an interrupt controller.
16 - #interrupt-cells: is <2> and their usage is compliant to the 2 cells
17 variant of <../interrupt-controller/interrupts.txt>
19 are defined at dt-bindings/mfd/max77620.h.
[all …]
|
| /Linux-v5.10/include/linux/mfd/ |
| D | db8500-prcmu.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright (C) ST-Ericsson SA 2010
27 /* This portion previously known as <mach/prcmu-fw-defs_v1.h> */
30 * enum state - ON/OFF state definition
31 * @OFF: State is ON
32 * @ON: State is OFF
37 ON = 0x1, enumerator
41 * enum ret_state - general purpose On/Off/Retention states
51 * enum clk_arm - ARM Cortex A9 clock schemes
67 * enum clk_gen - GEN#0/GEN#1 clock schemes
[all …]
|
