/linux/drivers/power/reset/ |
H A 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 …]
|
/linux/arch/arm64/boot/dts/apple/ |
H A D | t600x-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T6001 "M1 Max" SoC 9 DIE_NODE(ps_pms_bridge): power-controller@100 { 10 compatible = "apple,t6000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 DIE_NODE(ps_aic): power-controller@108 { 19 compatible = "apple,t6000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | t8112-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T8112 "M2" SoC 10 ps_sbr: power-controller@100 { 11 compatible = "apple,t8112-pmgr-pwrstate", "apple,pmgr-pwrstate"; 13 #power-domain-cells = <0>; 14 #reset-cells = <0>; 16 apple,always-on; /* Core device */ 19 ps_aic: power-controller@108 { 20 compatible = "apple,t8112-pmgr-pwrstate", "apple,pmgr-pwrstate"; 22 #power-domain-cells = <0>; [all …]
|
H A D | t8012-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T8012 "T2" SoC 9 ps_cpu0: power-controller@80000 { 10 compatible = "apple,t8010-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 ps_cpu1: power-controller@80008 { 19 compatible = "apple,t8010-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | t8103-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T8103 "M1" SoC 10 ps_sbr: power-controller@100 { 11 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate"; 13 #power-domain-cells = <0>; 14 #reset-cells = <0>; 16 apple,always-on; /* Core device */ 19 ps_aic: power-controller@108 { 20 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate"; 22 #power-domain-cells = <0>; [all …]
|
H A D | t8015-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T8015 "A11" SoC 9 ps_cpu0: power-controller@80000 { 10 compatible = "apple,t8015-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 ps_cpu1: power-controller@80008 { 19 compatible = "apple,t8015-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | t8011-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T8011 "A10X" SoC 9 ps_cpu0: power-controller@80000 { 10 compatible = "apple,t8010-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 ps_cpu1: power-controller@80008 { 19 compatible = "apple,t8010-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | s5l8960x-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple S5L8960X "A7" SoC 9 ps_cpu0: power-controller@20000 { 10 compatible = "apple,s5l8960x-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 ps_cpu1: power-controller@20008 { 19 compatible = "apple,s5l8960x-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | s8001-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple S8001 "A9X" SoC 9 ps_cpu0: power-controller@80000 { 10 compatible = "apple,s8000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 ps_cpu1: power-controller@80008 { 19 compatible = "apple,s8000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | t7001-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T7001 "A8X" SoC 9 ps_cpu0: power-controller@20000 { 10 compatible = "apple,t7000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 ps_cpu1: power-controller@20008 { 19 compatible = "apple,t7000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | t8010-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T8010 "A10" SoC 9 ps_cpu0: power-controller@80000 { 10 compatible = "apple,t8010-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 ps_cpu1: power-controller@80008 { 19 compatible = "apple,t8010-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | s800-0-3-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple S8000/3 "A9" SoC 9 ps_cpu0: power-controller@80000 { 10 compatible = "apple,s8000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 12 #power-domain-cells = <0>; 13 #reset-cells = <0>; 15 apple,always-on; /* Core device */ 18 ps_cpu1: power-controller@80008 { 19 compatible = "apple,s8000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 21 #power-domain-cells = <0>; [all …]
|
H A D | t7000-pmgr.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT 3 * PMGR Power domains for the Apple T7000 "A8" SoC 8 ps_cpu0: power-controller@20000 { 9 compatible = "apple,t7000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 11 #power-domain-cells = <0>; 12 #reset-cells = <0>; 14 apple,always-on; /* Core device */ 17 ps_cpu1: power-controller@20008 { 18 compatible = "apple,t7000-pmgr-pwrstate", "apple,pmgr-pwrstate"; 20 #power-domain-cells = <0>; [all …]
|
/linux/drivers/pinctrl/qcom/ |
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 6 depends on GPIOLIB 8 depends on OF 21 depends on OF && SPMI 37 depends on OF 56 depends on GPIOLIB 59 Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI 60 (Low Power Island) found on the Qualcomm Technologies Inc SoCs. 64 depends on ARM64 || COMPILE_TEST 65 depends on PINCTRL_LPASS_LPI [all …]
|
/linux/drivers/regulator/ |
H A 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 NET 64 the netlink mechanism. User-space applications can subscribe to these events 65 for real-time updates on various regulator events. 71 depends on I2C 75 They provide two I2C-controlled DC/DC step-down converters with 79 tristate "Marvell 88PM800 Power regulators" [all …]
|
/linux/Documentation/driver-api/thermal/ |
H A 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 …]
|
H A 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/drivers/power/supply/ |
H A 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 …]
|
/linux/Documentation/power/powercap/ |
H A D | dtpm.rst | 1 .. SPDX-License-Identifier: GPL-2.0 4 Dynamic Thermal Power Management framework 7 On the embedded world, the complexity of the SoC leads to an 12 Another aspect is to sustain the performance for a given power budget, 15 reduce the battery charging because the dissipated power is too high 16 compared with the power consumed by other devices. 18 The user space is the most adequate place to dynamically act on the 19 different devices by limiting their power given an application 22 The Dynamic Thermal Power Management (DTPM) is a technique acting on 23 the device power by limiting and/or balancing a power budget among [all …]
|
/linux/Documentation/hwmon/ |
H A 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/Documentation/devicetree/bindings/mfd/ |
H A D | maxim,max77802.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Maxim MAX77802 Power Management IC 10 - Javier Martinez Canillas <javier@dowhile0.org> 11 - Krzysztof Kozlowski <krzk@kernel.org> 14 This is a part of device tree bindings for Maxim MAX77802 Power Management 17 The Maxim MAX77802 is a Power Management IC which includes voltage and 18 current regulators (10 high efficiency Buck regulators and 32 Low-DropOut 23 in dt-bindings/clock/maxim,max77802.h. [all …]
|
/linux/Documentation/driver-api/usb/ |
H A 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/Documentation/networking/device_drivers/wifi/intel/ |
H A 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/Documentation/trace/coresight/ |
H A 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/Documentation/devicetree/bindings/soc/tegra/ |
H A D | nvidia,tegra20-pmc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/soc/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,tegra30-pmc 18 - nvidia,tegra114-pmc [all …]
|