Searched full:power (Results 1 – 25 of 2243) sorted by relevance
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| /Documentation/devicetree/bindings/power/ |
| D | rockchip,power-controller.yaml | 4 $id: http://devicetree.org/schemas/power/rockchip,power-controller.yaml#
7 title: Rockchip Power Domains
14 Rockchip processors include support for multiple power domains
16 application scenarios to save power.
18 Power domains contained within power-controller node are
19 generic power domain providers documented in
20 Documentation/devicetree/bindings/power/power-domain.yaml.
22 IP cores belonging to a power domain should contain a
23 "power-domains" property that is a phandle for the
24 power domain node representing the domain.
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| D | mediatek,power-controller.yaml | 4 $id: http://devicetree.org/schemas/power/mediatek,power-controller.yaml#
7 title: Mediatek Power Domains Controller
14 Mediatek processors include support for multiple power domains which can be
15 powered up/down by software based on different application scenes to save power.
17 IP cores belonging to a power domain should contain a 'power-domains'
22 pattern: '^power-controller(@[0-9a-f]+)?$'
26 - mediatek,mt6795-power-controller
27 - mediatek,mt8167-power-controller
28 - mediatek,mt8173-power-controller
29 - mediatek,mt8183-power-controller
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| D | fsl,imx-gpcv2.yaml | 4 $id: http://devicetree.org/schemas/power/fsl,imx-gpcv2.yaml#
7 title: Freescale i.MX General Power Controller v2
13 The i.MX7S/D General Power Control (GPC) block contains Power Gating
14 Control (PGC) for various power domains.
16 Power domains contained within GPC node are generic power domain
18 Documentation/devicetree/bindings/power/power-domain.yaml, which are
19 described as subnodes of the power gating controller 'pgc' node.
21 IP cores belonging to a power domain should contain a 'power-domains'
46 description: list of power domains provided by this controller.
56 "power-domain@[0-9a-f]+$":
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| D | power-domain.yaml | 4 $id: http://devicetree.org/schemas/power/power-domain.yaml#
16 used for power gating of selected IP blocks for power saving by reduced
25 \#power-domain-cells property in the PM domain provider node.
29 pattern: "^(power-controller|power-domain|performance-domain)([@-].*)?$"
37 power-domain provider. The idle state definitions are compatible with the
48 Phandles to the OPP tables of power domains that are capable of scaling
49 performance, provided by a power domain provider. If the provider provides
50 a single power domain only or all the power domains provided by the
54 "#power-domain-cells":
58 domains (e.g. power controllers), but can be any value as specified
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| D | power_domain.txt | 4 used for power gating of selected IP blocks for power saving by reduced leakage
12 #power-domain-cells property in the PM domain provider node.
16 See power-domain.yaml.
21 - power-domains : A list of PM domain specifiers, as defined by bindings of
22 the power controller that is the PM domain provider.
25 - power-domain-names : A list of power domain name strings sorted in the same
26 order as the power-domains property. Consumers drivers will use
27 power-domain-names to match power domains with power-domains
35 power-domains = <&power 0>;
36 power-domain-names = "io";
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| D | apple,pmgr-pwrstate.yaml | 4 $id: http://devicetree.org/schemas/power/apple,pmgr-pwrstate.yaml#
7 title: Apple SoC PMGR Power States
13 - $ref: power-domain.yaml#
16 Apple SoCs include PMGR blocks responsible for power management,
17 which can control various clocks, resets, power states, and
18 performance features. This binding describes the device power
19 state registers, which control power states and resets.
21 Each instance of a power controller within the PMGR syscon node
22 represents a generic power domain provider, as documented in
23 Documentation/devicetree/bindings/power/power-domain.yaml.
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| D | brcm,bcm63xx-power.yaml | 4 $id: http://devicetree.org/schemas/power/brcm,bcm63xx-power.yaml#
7 title: BCM63xx power domain driver
13 BCM6318, BCM6328, BCM6362 and BCM63268 SoCs have a power domain controller
14 to enable/disable certain components in order to save power.
20 - brcm,bcm6318-power-controller
21 - brcm,bcm6328-power-controller
22 - brcm,bcm6362-power-controller
23 - brcm,bcm63268-power-controller
28 "#power-domain-cells":
34 - "#power-domain-cells"
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| D | fsl,imx-gpc.yaml | 4 $id: http://devicetree.org/schemas/power/fsl,imx-gpc.yaml#
7 title: Freescale i.MX General Power Controller
13 The i.MX6 General Power Control (GPC) block contains DVFS load tracking
14 counters and Power Gating Control (PGC).
16 The power domains are generic power domain providers as documented in
17 Documentation/devicetree/bindings/power/power-domain.yaml. They are
18 described as subnodes of the power gating controller 'pgc' node of the GPC.
20 IP cores belonging to a power domain should contain a 'power-domains'
21 property that is a phandle pointing to the power domain the device belongs
56 description: list of power domains provided by this controller.
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| D | pd-samsung.yaml | 4 $id: http://devicetree.org/schemas/power/pd-samsung.yaml#
7 title: Samsung Exynos SoC Power Domains
13 Exynos processors include support for multiple power domains which are used
14 to gate power to one or more peripherals on the processor.
17 - $ref: power-domain.yaml#
41 "#power-domain-cells":
44 power-domains:
49 - "#power-domain-cells"
56 lcd0_pd: power-domain@10023c80 {
59 #power-domain-cells = <0>;
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| /Documentation/devicetree/bindings/soc/mediatek/ |
| D | scpsys.txt | 4 The System Control Processor System (SCPSYS) has several power management
7 The System Power Manager (SPM) inside the SCPSYS is for the MTCMOS power
11 power/power-domain.yaml. It provides the power domains defined in
12 - include/dt-bindings/power/mt8173-power.h
13 - include/dt-bindings/power/mt6797-power.h
14 - include/dt-bindings/power/mt6765-power.h
15 - include/dt-bindings/power/mt2701-power.h
16 - include/dt-bindings/power/mt2712-power.h
17 - include/dt-bindings/power/mt7622-power.h
30 - #power-domain-cells: Must be 1
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| /Documentation/devicetree/bindings/clock/ |
| D | fsl,imx8-acm.yaml | 26 power-domains:
48 - power-domains
62 power-domains:
64 - description: power domain of IMX_SC_R_AUDIO_CLK_0
65 - description: power domain of IMX_SC_R_AUDIO_CLK_1
66 - description: power domain of IMX_SC_R_MCLK_OUT_0
67 - description: power domain of IMX_SC_R_MCLK_OUT_1
68 - description: power domain of IMX_SC_R_AUDIO_PLL_0
69 - description: power domain of IMX_SC_R_AUDIO_PLL_1
70 - description: power domain of IMX_SC_R_ASRC_0
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| /Documentation/hwmon/ |
| D | occ.rst | 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.
77 power[1-n]_input
78 Latest measured power reading of the component in
80 power[1-n]_average
81 Average power of the component in microwatts.
82 power[1-n]_average_interval
83 The amount of time over which the power average
86 [with power sensor version < 2]
88 power[1-n]_label
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| D | acpi_power_meter.rst | 4 This driver talks to ACPI 4.0 power meters.
19 This driver implements sensor reading support for the power meters exposed in
21 features--a power meter that returns average power use over a configurable
23 sysfs interface conforms with the specification outlined in the "Power" section
29 The `power[1-*]_is_battery` knob indicates if the power supply is a battery.
30 Both `power[1-*]_average_{min,max}` must be set before the trip points will work.
33 `power[1-*]_average` sysfs file.
35 The `power[1-*]_{model_number, serial_number, oem_info}` fields display
39 Some computers have the ability to enforce a power cap in hardware. If this is
40 the case, the `power[1-*]_cap` and related sysfs files will appear. When the
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| D | fam15h_power.rst | 25 1) Processor TDP (Thermal design power)
27 Given a fixed frequency and voltage, the power consumption of a
28 processor varies based on the workload being executed. Derated power
29 is the power consumed when running a specific application. Thermal
30 design power (TDP) is an example of derated power.
32 This driver permits reading of registers providing power information
35 For AMD Family 15h and 16h processors the following power values can
40 Specifies in watts the maximum amount of power
44 Specifies in watts the maximum amount of power
47 Specifies in watts the current amount of power being
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| /Documentation/power/powercap/ |
| D | powercap.rst | 2 Power Capping Framework
5 The power capping framework provides a consistent interface between the kernel
6 and the user space that allows power capping drivers to expose the settings to
12 The framework exposes power capping devices to user space via sysfs in the
14 'control types', which correspond to different methods of power capping. For
16 Power Limit" (RAPL) technology, whereas the 'idle-injection' control type
17 corresponds to the use of idle injection for controlling power.
19 Power zones represent different parts of the system, which can be controlled and
20 monitored using the power capping method determined by the control type the
21 given zone belongs to. They each contain attributes for monitoring power, as
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| D | dtpm.rst | 4 Dynamic Thermal Power Management framework
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.
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
27 device power.
34 driver to do the connection with the power manageable device.
36 The DTPM is a tree representation describing the power constraints
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| /Documentation/ABI/testing/ |
| D | sysfs-class-powercap | 6 The powercap/ class sub directory belongs to the power cap
8 Documentation/power/powercap/powercap.rst for details.
16 Here <control type> determines how the power is going to be
17 controlled. A <control type> can contain multiple power zones.
24 This allows to enable/disable power capping for a "control type".
25 This status affects every power zone using this "control_type.
27 What: /sys/class/powercap/<control type>/<power zone>
32 A power zone is a single or a collection of devices, which can
33 be independently monitored and controlled. A power zone sysfs
37 What: /sys/class/powercap/<control type>/<power zone>/<child power zone>
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| D | sysfs-power | 1 What: /sys/power/
5 The /sys/power directory will contain files that will
6 provide a unified interface to the power management
9 What: /sys/power/state
13 The /sys/power/state file controls system sleep states.
15 labels, which may be "mem" (suspend), "standby" (power-on
24 What: /sys/power/mem_sleep
28 The /sys/power/mem_sleep file controls the operating mode of
32 to suspend the system (by writing "mem" to the /sys/power/state
42 What: /sys/power/disk
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| D | sysfs-driver-intel-xe-hwmon | 5 Description: RW. Card reactive sustained (PL1) power limit in microwatts.
7 The power controller will throttle the operating frequency
8 if the power averaged over a window (typically seconds)
10 power limit is disabled, writing 0 disables the
11 limit. Writing values > 0 and <= TDP will enable the power limit.
19 Description: RO. Card default power limit (default TDP setting).
36 Description: RW. Card sustained power limit interval (Tau in PL1/Tau) in
37 milliseconds over which sustained power is averaged.
45 Description: RW. Package reactive sustained (PL1) power limit in microwatts.
47 The power controller will throttle the operating frequency
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| /Documentation/devicetree/bindings/soc/bcm/ |
| D | raspberrypi,bcm2835-power.txt | 1 Raspberry Pi power domain driver
5 - compatible: Should be "raspberrypi,bcm2835-power".
7 - #power-domain-cells: Should be <1>, we providing multiple power domains.
9 The valid defines for power domain are:
37 power: power {
38 compatible = "raspberrypi,bcm2835-power";
40 #power-domain-cells = <1>;
43 Example for using power domain:
46 power-domains = <&power RPI_POWER_DOMAIN_USB>;
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| /Documentation/devicetree/bindings/mfd/ |
| D | twl4030-power.txt | 1 Texas Instruments TWL family (twl4030) reset and power management module
3 The power management module inside the TWL family provides several facilities
4 to control the power resources, including power scripts. For now, the
9 "ti,twl4030-power"
10 "ti,twl4030-power-reset"
11 "ti,twl4030-power-idle"
12 "ti,twl4030-power-idle-osc-off"
14 The use of ti,twl4030-power-reset is recommended at least on
17 When using ti,twl4030-power-idle, the TI recommended configuration
20 When using ti,twl4030-power-idle-osc-off, the TI recommended
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| D | mediatek,mt8195-scpsys.yaml | 14 power management tasks. The tasks include MTCMOS power
35 power-controller:
36 $ref: /schemas/power/mediatek,power-controller.yaml#
47 #include <dt-bindings/power/mt8195-power.h>
53 spm: power-controller {
54 compatible = "mediatek,mt8195-power-controller";
57 #power-domain-cells = <1>;
59 /* sample of power domain nodes */
60 power-domain@MT8195_POWER_DOMAIN_PCIE_PHY {
62 #power-domain-cells = <0>;
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| /Documentation/devicetree/bindings/soc/imx/ |
| D | fsl,imx8mm-vpu-blk-ctrl.yaml | 14 the NoC and ensuring proper power sequencing of the VPU peripherals
26 '#power-domain-cells':
29 power-domains:
32 power-domain-names:
50 - power-domains
51 - power-domain-names
63 power-domains:
65 - description: bus power domain
66 - description: G1 decoder power domain
67 - description: G2 decoder power domain
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| /Documentation/devicetree/bindings/arm/apple/ |
| D | apple,pmgr.yaml | 7 title: Apple SoC Power Manager (PMGR)
13 Apple SoCs include PMGR blocks responsible for power management,
14 which can control various clocks, resets, power states, and
20 pattern: "^power-management@[0-9a-f]+$"
42 "power-controller@[0-9a-f]+$":
44 The individual power management domains within this controller
46 $ref: /schemas/power/apple,pmgr-pwrstate.yaml#
60 power-management@23b700000 {
66 ps_sio: power-controller@1c0 {
69 #power-domain-cells = <0>;
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| /Documentation/devicetree/bindings/power/supply/ |
| D | x-powers,axp20x-usb-power-supply.yaml | 4 $id: http://devicetree.org/schemas/power/supply/x-powers,axp20x-usb-power-supply.yaml#
7 title: AXP20x USB power-supply
11 variations such as the former being able to set the VBUS power supply max
22 - x-powers,axp192-usb-power-supply
23 - x-powers,axp202-usb-power-supply
24 - x-powers,axp221-usb-power-supply
25 - x-powers,axp223-usb-power-supply
26 - x-powers,axp717-usb-power-supply
27 - x-powers,axp813-usb-power-supply
29 - const: x-powers,axp803-usb-power-supply
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