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/linux/include/drm/
H A Ddrm_device.h29 * Recovery methods for wedged device in order of less to more side-effects.
33 * Refer to "Device Wedging" chapter in Documentation/gpu/drm-uapi.rst for more
42 * struct drm_wedge_task_info - information about the guilty task of a wedge dev
52 * enum switch_power_state - power state of drm device
56 /** @DRM_SWITCH_POWER_ON: Power state is ON */
59 /** @DRM_SWITCH_POWER_OFF: Power state is OFF */
62 /** @DRM_SWITCH_POWER_CHANGING: Power state is changing */
70 * struct drm_device - DRM device structure
79 /** @ref: Object ref-count */
82 /** @dev: Device structure of bus-device */
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/linux/include/linux/pse-pd/
H A Dpse.h1 // SPDX-License-Identifier: GPL-2.0-only
15 /* Maximum current in uA according to IEEE 802.3-2022 Table 145-1 */
17 /* Maximum power in mW according to IEEE 802.3-2022 Table 145-16 */
46 * struct pse_irq_desc - notification sender description for IRQ based events.
59 * struct pse_control_config - PSE control/channel configuration.
62 * IEEE 802.3-2018 30.15.1.2.1 acPoDLPSEAdminControl
64 * IEEE 802.3-2022 30.9.1.2.1 acPSEAdminControl
72 * struct pse_admin_state - PSE operational state
75 * functions. IEEE 802.3-2018 30.15.1.1.2 aPoDLPSEAdminState
77 * functions. IEEE 802.3-2022 30.9.1.1.2 aPSEAdminState
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/linux/Documentation/devicetree/bindings/bus/
H A Dsimple-pm-bus.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/bus/simple-pm-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Simple Power-Managed Bus
10 - Geert Uytterhoeven <geert+renesas@glider.be>
13 A Simple Power-Managed Bus is a transparent bus that doesn't need a real
19 on-SoC or externally) to function.
21 While "simple-pm-bus" follows the "simple-bus" set of properties, as
23 "simple-bus".
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/linux/drivers/video/backlight/
H A Dlcd.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2003,2004 Hewlett-Packard Company
24 int power) in lcd_notify_blank() argument
26 guard(mutex)(&ld->ops_lock); in lcd_notify_blank()
28 if (!ld->ops || !ld->ops->set_power) in lcd_notify_blank()
30 if (ld->ops->controls_device && !ld->ops->controls_device(ld, display_dev)) in lcd_notify_blank()
33 ld->ops->set_power(ld, power); in lcd_notify_blank()
36 void lcd_notify_blank_all(struct device *display_dev, int power) in lcd_notify_blank_all() argument
43 lcd_notify_blank(ld, display_dev, power); in lcd_notify_blank_all()
50 guard(mutex)(&ld->ops_lock); in lcd_notify_mode_change()
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/linux/arch/arm64/boot/dts/freescale/
H A Dfsl-ls1028a-kontron-kbox-a-230-ls.dts1 // SPDX-License-Identifier: GPL-2.0+
3 * Device Tree File for the Kontron KBox A-230-LS.
5 * This consists of a Kontron SMARC-sAL28 (Dual PHY) and a special
12 /dts-v1/;
13 #include "fsl-ls1028a-kontron-sl28-var4.dts"
14 #include <dt-bindings/leds/common.h>
17 model = "Kontron KBox A-230-LS";
18 compatible = "kontron,kbox-a-230-ls", "kontron,sl28-var4",
22 compatible = "gpio-leds";
24 alarm-led {
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/linux/Documentation/devicetree/bindings/sound/
H A Dcs35l32.txt5 - compatible : "cirrus,cs35l32"
7 - reg : the I2C address of the device for I2C. Address is determined by the level
10 - VA-supply, VP-supply : power supplies for the device,
15 - reset-gpios : a GPIO spec for the reset pin. If specified, it will be
18 - cirrus,boost-manager : Boost voltage control.
19 0 = Automatically managed. Boost-converter output voltage is the higher
21 1 = Automatically managed irrespective of audio, adapting for low-power
22 dissipation when LEDs are ON, and operating in Fixed-Boost Bypass Mode
27 - cirrus,sdout-datacfg : Data configuration for dual CS35L32 applications only.
28 Determines the data packed in a two-CS35L32 configuration.
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/linux/Documentation/dev-tools/kunit/api/
H A Dresource.rst1 .. SPDX-License-Identifier: GPL-2.0
9 Most users won't need to use this API directly, power users can use it to store
10 state on a per-test basis, register custom cleanup actions, and more.
12 .. kernel-doc:: include/kunit/resource.h
15 Managed Devices
16 ---------------
18 Functions for using KUnit-managed struct device and struct device_driver.
21 .. kernel-doc:: include/kunit/device.h
/linux/arch/arm/boot/dts/microchip/
H A Dlan966x-kontron-kswitch-d10-mmt-6g-2gs.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree file for the Kontron KSwitch D10 MMT 6G-2GS
6 /dts-v1/;
7 #include "lan966x-kontron-kswitch-d10-mmt.dtsi"
10 model = "Kontron KSwitch D10 MMT 6G-2GS";
11 compatible = "kontron,kswitch-d10-mmt-6g-2gs", "kontron,s1921",
21 i2c-bus = <&i2c4>;
22 los-gpios = <&sgpio_in 1 0 GPIO_ACTIVE_HIGH>;
23 mod-def0-gpios = <&sgpio_in 1 1 GPIO_ACTIVE_LOW>;
24 maximum-power-milliwatt = <2500>;
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/linux/drivers/pmdomain/thead/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 tristate "Support TH1520 Power Domains"
9 This driver enables power domain management for the T-HEAD
10 TH-1520 SoC. On this SoC there are number of power domains,
11 which can be managed independently. For example GPU, NPU,
12 and DPU reside in their own power domains which can be
/linux/tools/testing/selftests/cpufreq/
H A Dcpufreq.sh2 # SPDX-License-Identifier: GPL-2.0
17 if [ ! -d $CPUROOT/$1/cpufreq ]; then
24 if [ -d $CPUROOT/$1/cpufreq ]; then
31 policies=$(ls $CPUFREQROOT| grep "policy[0-9].*")
39 policies=$(ls $CPUFREQROOT| grep "policy[0-9].*")
53 if [ -f $1/$file ]; then
56 local rfile=$(ls -l $1/$file | awk '$1 ~ /^.*r.*/ { print $NF; }')
58 if [ ! -
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/linux/Documentation/driver-api/
H A Ddevice_link.rst27 In its standard or *managed* form, a device link combines *both* dependency
57 device ``->probe`` callback or a boot-time PCI quirk.
61 ``->probe`` callback while the supplier hasn't started to probe yet: Had the
65 non-presence. [Note that it is valid to create a link from the consumer's
66 ``->probe`` callback while the supplier is still probing, but the consumer must
72 is added in the ``->probe`` callback of the supplier or consumer driver, it is
73 typically deleted in its ``->remove`` callback for symmetry. That way, if the
77 to deletion. Device links managed by the driver core are deleted automatically
87 link is added from the consumer's ``->probe`` callback: ``DL_FLAG_RPM_ACTIVE``
93 Similarly, when the device link is added from supplier's ``->probe`` callback,
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/linux/sound/soc/sof/intel/
H A Dicl.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
16 #include "../ipc4-priv.h"
19 #include "hda-ipc.h"
20 #include "../sof-audio.h"
32 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; in icl_dsp_core_stall()
33 const struct sof_intel_dsp_desc *chip = hda->desc; in icl_dsp_core_stall()
35 /* make sure core_mask in host managed cores */ in icl_dsp_core_stall()
36 core_mask &= chip->host_managed_cores_mask; in icl_dsp_core_stall()
38 dev_err(sdev->dev, "error: core_mask is not in host managed cores\n"); in icl_dsp_core_stall()
39 return -EINVAL; in icl_dsp_core_stall()
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/linux/Documentation/devicetree/bindings/soc/ti/
H A Dsci-pm-domain.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/ti/sci-pm-domain.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI-SCI generic power domain
10 - Nishanth Menon <nm@ti.com>
13 - $ref: /schemas/power/power-domain.yaml#
16 Some TI SoCs contain a system controller (like the Power Management Micro
20 through a protocol called TI System Control Interface (TI-SCI protocol).
22 This PM domain node represents the global PM domain managed by the TI-SCI
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/linux/Documentation/devicetree/bindings/phy/
H A Damlogic,g12a-usb2-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/phy/amlogic,g12a-usb2-phy.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Neil Armstrong <neil.armstrong@linaro.org>
16 - amlogic,g12a-usb2-phy
17 - amlogic,a1-usb2-phy
25 clock-names:
27 - const: xtal
32 reset-names:
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H A Damlogic,g12a-usb3-pcie-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/phy/amlogic,g12a-usb3-pcie-phy.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Neil Armstrong <neil.armstrong@linaro.org>
16 - amlogic,g12a-usb3-pcie-phy
24 clock-names:
26 - const: ref_clk
31 reset-names:
33 - const: phy
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H A Damlogic,meson8b-usb2-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/amlogic,meson8b-usb2-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
15 - items:
16 - enum:
17 - amlogic,meson8-usb2-phy
18 - amlogic,meson8b-usb2-phy
19 - amlogic,meson8m2-usb2-phy
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/linux/include/net/
H A Dregulatory.h7 * Copyright 2008-2009 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
28 * enum environment_cap - Environment parsed from country IE
41 * struct regulatory_request - used to keep track of regulatory requests
53 * 00 - World regulatory domain
54 * 99 - built by driver but a specific alpha2 cannot be determined
55 * 98 - result of an intersection between two regulatory domains
56 * 97 - regulatory domain has not yet been configured
92 * enum ieee80211_regulatory_flags - device regulatory flags
117 * ISO3166-alpha2 country code. wiphys that use regulatory_hint()
118 * will have their wiphy->regd programmed once the regulatory
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/linux/Documentation/devicetree/bindings/usb/
H A Dwillsemi,wusb3801.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: WUSB3801 Type-C port controller
10 The Will Semiconductor WUSB3801 is a USB Type-C port controller which
12 compatible with the USB Type-C Cable and Connector Specification v1.2.
15 - Samuel Holland <samuel@sholland.org>
20 - willsemi,wusb3801
30 $ref: ../connector/usb-connector.yaml#
33 The managed USB Type-C connector. Since WUSB3801 does not support
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/linux/drivers/bus/
H A Dsimple-pm-bus.c1 // SPDX-License-Identifier: GPL-2.0
3 * Simple Power-Managed Bus Driver
5 * Copyright (C) 2014-2015 Glider bvba
27 const struct device *dev = &pdev->dev; in simple_pm_bus_probe()
29 struct device_node *np = dev->of_node; in simple_pm_bus_probe()
37 * of the simple-pm-bus tasks for these devices, so return early. in simple_pm_bus_probe()
39 if (device_has_driver_override(&pdev->dev)) in simple_pm_bus_probe()
42 match = of_match_device(dev->driver->of_match_table, dev); in simple_pm_bus_probe()
44 * These are transparent bus devices (not simple-pm-bus matches) that in simple_pm_bus_probe()
50 if (match && match->data) { in simple_pm_bus_probe()
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/linux/arch/arm64/boot/dts/marvell/
H A Darmada-3720-turris-mox.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include <dt-bindings/bus/moxtet.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include "armada-372x.dtsi"
16 compatible = "cznic,turris-mox", "marvell,armada3720",
28 stdout-path = "serial0:115200n8";
37 compatible = "gpio-leds";
41 linux,default-trigger = "default-on";
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/linux/Documentation/devicetree/bindings/net/
H A Dcalxeda-xgmac.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/calxeda-xgmac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
12 managed by the firmware. So there are no PHY properties in this
17 - Andre Przywara <andre.przywara@arm.com>
21 const: calxeda,hb-xgmac
29 interrupt, the 2nd one is used for power management. The optional
30 3rd one is the low power state interrupt.
34 dma-coherent: true
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/linux/sound/soc/sof/
H A Dpm.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
13 #include "sof-priv.h"
14 #include "sof-audio.h"
16 static int override_on_demand_boot = -1;
18 MODULE_PARM_DESC(on_demand_boot, "Force on-deman
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/linux/drivers/firmware/arm_scmi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
9 set of operating system-independent software interfaces that are
11 interfaces for: Discovery and self-description of the interfaces
12 it supports, Power domain management which is the ability to place
13 a given device or domain into the various power-saving states that
18 managed clocks and Sensor management which is the ability to read
80 The framework allows the definition of platform-specific code quirks
91 tristate "SCMI system power control driver"
94 This enables System Power control logic which binds system shutdown or
95 reboot actions to SCMI System Power notifications generated by SCP
/linux/drivers/platform/surface/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Microsoft Surface Platform-Specific Drivers
7 bool "Microsoft Surface Platform-Specific Device Drivers"
11 Say Y here to get to see options for platform-specific device drivers
29 be called surface3-wmi.
47 on 5th- and 6th-generation Microsoft Surface devices (including
55 thermal sensor access, and real-time clock information, depending on
59 tristate "Surface System Aggregator Module User-Space Interface"
62 Provides a misc-device interface to the Surface System Aggregator
67 the SSAM controller. Said client device manages a misc-device
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/linux/sound/soc/sdca/
H A Dsdca_functions.c1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
6 * https://www.mipi.org/mipi-sdca-v1-0-download
55 return -EINVAL; in patch_sdca_function_type()
95 struct device *dev = &adev->dev; in find_sdca_function()
103 if (sdca_data->num_functions >= SDCA_MAX_FUNCTION_COUNT) { in find_sdca_function()
105 return -EINVAL; in find_sdca_function()
108 ret = acpi_get_local_u64_address(adev->handle, &addr); in find_sdca_function()
114 return -ENODEV; in find_sdca_function()
122 * but the SDCA/DisCo specs defined the notion of "DC value" - a constant in find_sdca_function()
128 "mipi-sdca-control-0x5-subproperties"); in find_sdca_function()
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