| /kernel/linux/linux-6.6/drivers/mfd/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
32 power supply alarms (hwmon).
45 tristate "Active-semi ACT8945A"
50 Support for the ACT8945A PMIC from Active-semi. This device
51 features three step-down DC/DC converters and four low-dropout
67 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
70 called sun4i-gpadc.
94 tristate "ams AS3722 Power Management IC"
101 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
110 Multifunction Power Management IC. This includes
[all …]
|
| /kernel/linux/linux-5.10/drivers/mfd/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
31 power supply alarms (hwmon).
44 tristate "Active-semi ACT8945A"
49 Support for the ACT8945A PMIC from Active-semi. This device
50 features three step-down DC/DC converters and four low-dropout
66 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
69 called sun4i-gpadc.
81 tristate "ams AS3722 Power Management IC"
88 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
97 Multifunction Power Management IC. This includes
[all …]
|
| /kernel/linux/linux-5.10/Documentation/power/ |
| D | pci.rst | 2 PCI Power Management
7 An overview of concepts and the Linux kernel's interfaces related to PCI power
8 management. Based on previous work by Patrick Mochel <mochel@transmeta.com>
11 This document only covers the aspects of power management specific to PCI
13 power management refer to Documentation/driver-api/pm/devices.rst and
14 Documentation/power/runtime_pm.rst.
18 1. Hardware and Platform Support for PCI Power Management
19 2. PCI Subsystem and Device Power Management
20 3. PCI Device Drivers and Power Management
24 1. Hardware and Platform Support for PCI Power Management
[all …]
|
| /kernel/linux/linux-6.6/Documentation/power/ |
| D | pci.rst | 2 PCI Power Management
7 An overview of concepts and the Linux kernel's interfaces related to PCI power
8 management. Based on previous work by Patrick Mochel <mochel@transmeta.com>
11 This document only covers the aspects of power management specific to PCI
13 power management refer to Documentation/driver-api/pm/devices.rst and
14 Documentation/power/runtime_pm.rst.
18 1. Hardware and Platform Support for PCI Power Management
19 2. PCI Subsystem and Device Power Management
20 3. PCI Device Drivers and Power Management
24 1. Hardware and Platform Support for PCI Power Management
[all …]
|
| /kernel/linux/linux-6.6/drivers/net/wwan/iosm/ |
| D | iosm_ipc_pm.h | 1 /* SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2020-21 Intel Corporation.
18 * union ipc_pm_cond - Conditions for D3 and the sleep message to CP.
35 * enum ipc_mem_host_pm_state - Possible states of the HOST SLEEP finite state
59 * enum ipc_mem_dev_pm_state - Possible states of the DEVICE SLEEP finite state
62 * power management state.
65 * and DOORBELL-IRQ-HPDA(data) values.
68 * @IPC_MEM_DEV_PM_WAKEUP: DOORBELL-IRQ-DEVICE_WAKE(data).
69 * @IPC_MEM_DEV_PM_HOST_SLEEP: DOORBELL-IRQ-HOST_SLEEP(data).
71 * @IPC_MEM_DEV_PM_FORCE_SLEEP: DOORBELL-IRQ-FORCE_SLEEP.
[all …]
|
| /kernel/linux/linux-6.6/drivers/soc/xilinx/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
5 bool "Enable Xilinx Zynq MPSoC Power Management driver"
11 Say yes to enable power management support for ZyqnMP SoC.
12 This driver uses firmware driver as an interface for power
13 management request to firmware. It registers isr to handle
14 power management callbacks from firmware. It registers mailbox client
15 to handle power management callbacks from firmware.
25 Say yes to enable device power management through PM domains
29 bool "Enable Xilinx Event Management Driver"
33 Say yes to enable event management support for Xilinx.
[all …]
|
| /kernel/linux/linux-6.6/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 …]
|
| /kernel/linux/linux-5.10/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 …]
|
| /kernel/linux/linux-5.10/Documentation/driver-api/ |
| D | dcdbas.rst | 2 Dell Systems Management Base Driver
8 The Dell Systems Management Base Driver provides a sysfs interface for
9 systems management software such as Dell OpenManage to perform system
10 management interrupts and host control actions (system power cycle or
11 power off after OS shutdown) on certain Dell systems.
24 System Management Interrupt
27 On some Dell systems, systems management software must access certain
28 management information via a system management interrupt (SMI). The SMI data
29 buffer must reside in 32-bit address space, and the physical address of the
32 The driver creates the following sysfs entries for systems management
[all …]
|
| /kernel/linux/linux-6.6/Documentation/driver-api/ |
| D | dcdbas.rst | 2 Dell Systems Management Base Driver
8 The Dell Systems Management Base Driver provides a sysfs interface for
9 systems management software such as Dell OpenManage to perform system
10 management interrupts and host control actions (system power cycle or
11 power off after OS shutdown) on certain Dell systems.
24 System Management Interrupt
27 On some Dell systems, systems management software must access certain
28 management information via a system management interrupt (SMI). The SMI data
29 buffer must reside in 32-bit address space, and the physical address of the
32 The driver creates the following sysfs entries for systems management
[all …]
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/arm/apple/ |
| D | apple,pmgr.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Apple SoC Power Manager (PMGR)
10 - Hector Martin <marcan@marcan.st>
13 Apple SoCs include PMGR blocks responsible for power management,
14 which can control various clocks, resets, power states, and
16 with sub-nodes representing individual features.
20 pattern: "^power-management@[0-9a-f]+$"
24 - enum:
[all …]
|
| /kernel/linux/linux-6.6/Documentation/admin-guide/pm/ |
| D | strategies.rst | 1 .. SPDX-License-Identifier: GPL-2.0
5 Power Management Strategies
13 The Linux kernel supports two major high-level power management strategies.
15 One of them is based on using global low-power states of the whole system in
17 significantly reduced, referred to as :doc:`sleep states <sleep-states>`. The
23 :doc:`system-wide power management <system-wide>`.
25 The other strategy, referred to as the :doc:`working-state power management
26 <working-state>`, is based on adjusting the power states of individual hardware
30 a metastate covering a range of different power states of the system in which
32 ``inactive`` (idle). If they are active, they have to be in power states
[all …]
|
| /kernel/linux/linux-5.10/Documentation/admin-guide/pm/ |
| D | strategies.rst | 1 .. SPDX-License-Identifier: GPL-2.0
5 Power Management Strategies
13 The Linux kernel supports two major high-level power management strategies.
15 One of them is based on using global low-power states of the whole system in
17 significantly reduced, referred to as :doc:`sleep states <sleep-states>`. The
23 :doc:`system-wide power management <system-wide>`.
25 The other strategy, referred to as the :doc:`working-state power management
26 <working-state>`, is based on adjusting the power states of individual hardware
30 a metastate covering a range of different power states of the system in which
32 ``inactive`` (idle). If they are active, they have to be in power states
[all …]
|
| /kernel/linux/linux-5.10/drivers/soc/xilinx/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
21 bool "Enable Xilinx Zynq MPSoC Power Management driver"
27 Say yes to enable power management support for ZyqnMP SoC.
28 This driver uses firmware driver as an interface for power
29 management request to firmware. It registers isr to handle
30 power management callbacks from firmware. It registers mailbox client
31 to handle power management callbacks from firmware.
41 Say yes to enable device power management through PM domains
|
| /kernel/linux/linux-5.10/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 …]
|
| /kernel/linux/linux-6.6/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 …]
|
| /kernel/linux/linux-5.10/drivers/base/power/ |
| D | clock_ops.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/clock_ops.c - Generic clock manipulation PM callbacks
38 * pm_clk_enable - Enable a clock, reporting any errors
46 if (ce->status < PCE_STATUS_ERROR) { in __pm_clk_enable()
47 ret = clk_enable(ce->clk); in __pm_clk_enable()
49 ce->status = PCE_STATUS_ENABLED; in __pm_clk_enable()
52 __func__, ce->clk, ret); in __pm_clk_enable()
57 * pm_clk_acquire - Acquire a device clock.
63 if (!ce->clk) in pm_clk_acquire()
64 ce->clk = clk_get(dev, ce->con_id); in pm_clk_acquire()
[all …]
|
| D | common.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/common.c - Common device power management code.
15 #include "power.h"
18 * dev_pm_get_subsys_data - Create or refcount power.subsys_data for device.
21 * If power.subsys_data is NULL, point it to a new object, otherwise increment
31 return -ENOMEM; in dev_pm_get_subsys_data()
33 spin_lock_irq(&dev->power.lock); in dev_pm_get_subsys_data()
35 if (dev->power.subsys_data) { in dev_pm_get_subsys_data()
36 dev->power.subsys_data->refcount++; in dev_pm_get_subsys_data()
38 spin_lock_init(&psd->lock); in dev_pm_get_subsys_data()
[all …]
|
| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-class-scsi_host | 7 Storage Control Unit embeds up to two 4-port controllers in
34 Contact: linux-ide@vger.kernel.org
37 (interface) power management.
42 least possible power when possible. This may sacrifice some
44 power states.
46 max_performance: Generally, this means no power management.
47 Tell the controller to have performance be a priority over power
48 management.
50 medium_power: Tell the controller to enter a lower power state
51 when possible, but do not enter the lowest power state, thus
[all …]
|
| /kernel/linux/linux-6.6/Documentation/ABI/testing/ |
| D | sysfs-class-scsi_host | 7 Storage Control Unit embeds up to two 4-port controllers in
34 Contact: linux-ide@vger.kernel.org
37 (interface) power management.
42 least possible power when possible. This may sacrifice some
44 power states.
46 max_performance: Generally, this means no power management.
47 Tell the controller to have performance be a priority over power
48 management.
50 medium_power: Tell the controller to enter a lower power state
51 when possible, but do not enter the lowest power state, thus
[all …]
|
| /kernel/linux/linux-6.6/drivers/base/power/ |
| D | common.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/common.c - Common device power management code.
15 #include "power.h"
18 * dev_pm_get_subsys_data - Create or refcount power.subsys_data for device.
21 * If power.subsys_data is NULL, point it to a new object, otherwise increment
31 return -ENOMEM; in dev_pm_get_subsys_data()
33 spin_lock_irq(&dev->power.lock); in dev_pm_get_subsys_data()
35 if (dev->power.subsys_data) { in dev_pm_get_subsys_data()
36 dev->power.subsys_data->refcount++; in dev_pm_get_subsys_data()
38 spin_lock_init(&psd->lock); in dev_pm_get_subsys_data()
[all …]
|
| D | clock_ops.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/clock_ops.c - Generic clock manipulation PM callbacks
40 * pm_clk_list_lock - ensure exclusive access for modifying the PM clock
53 __acquires(&psd->lock) in pm_clk_list_lock()
55 mutex_lock(&psd->clock_mutex); in pm_clk_list_lock()
56 spin_lock_irq(&psd->lock); in pm_clk_list_lock()
60 * pm_clk_list_unlock - counterpart to pm_clk_list_lock().
65 __releases(&psd->lock) in pm_clk_list_unlock()
67 spin_unlock_irq(&psd->lock); in pm_clk_list_unlock()
68 mutex_unlock(&psd->clock_mutex); in pm_clk_list_unlock()
[all …]
|
| /kernel/linux/linux-5.10/arch/arm/mach-vexpress/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
28 - CoreTile Express A5x2 (V2P-CA5s)
29 - CoreTile Express A9x4 (V2P-CA9)
30 - CoreTile Express A15x2 (V2P-CA15)
31 - LogicTile Express 13MG (V2F-2XV6) with A5, A7, A9 or A15 SMMs
33 - Versatile Express RTSMs (Models)
42 bool "Enable A5 and A9 only errata work-arounds"
49 based on Cortex-A5 and Cortex-A9 processors. In order to
59 This is needed to provide CPU and cluster power management
63 bool "Versatile Express Serial Power Controller (SPC)"
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/mfd/ |
| D | rohm,bd71847-pmic.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/rohm,bd71847-pmic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ROHM BD71847 and BD71850 Power Management Integrated Circuit bindings
10 - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
13 BD71847AMWV and BD71850MWV are programmable Power Management ICs for powering
14 single-core, dual-core, and quad-core SoCs such as NXP-i.MX 8M. It is
18 …s://www.rohm.com/products/power-management/power-management-ic-for-system/industrial-consumer-appl…
19 …s://www.rohm.com/products/power-management/power-management-ic-for-system/industrial-consumer-appl…
[all …]
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/mfd/ |
| D | rohm,bd71847-pmic.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/rohm,bd71847-pmic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ROHM BD71847 and BD71850 Power Management Integrated Circuit
10 - Matti Vaittinen <mazziesaccount@gmail.com>
13 BD71847AMWV and BD71850MWV are programmable Power Management ICs for powering
14 single-core, dual-core, and quad-core SoCs such as NXP-i.MX 8M. It is
18 …s://www.rohm.com/products/power-management/power-management-ic-for-system/industrial-consumer-appl…
19 …s://www.rohm.com/products/power-management/power-management-ic-for-system/industrial-consumer-appl…
[all …]
|