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/Documentation/devicetree/bindings/power/supply/
Dbq25890.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Bq25890, bq25892, bq25895 and bq25896 Li-Ion Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - enum:
20 - ti,bq25890
21 - items:
22 - enum:
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Dbq256xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Andrew Davis <afd@ti.com>
14 The bq256xx devices are a family of highly-integrated battery charge
15 management and system power management ICs for single cell Li-ion and Li-
19 - https://www.ti.com/lit/ds/symlink/bq25600.pdf
20 - https://www.ti.com/lit/ds/symlink/bq25601.pdf
21 - https://www.ti.com/lit/ds/symlink/bq25600d.pdf
22 - https://www.ti.com/lit/ds/symlink/bq25601d.pdf
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/Documentation/devicetree/bindings/opp/
Dopp-v1.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v1.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <viresh.kumar@linaro.org>
13 Devices work at voltage-current-frequency combinations and some implementations
19 This binding only supports voltage-frequency pairs.
24 operating-points:
25 $ref: /schemas/types.yaml#/definitions/uint32-matrix
28 - description: Frequency in kHz
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Dopp-v2-base.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2-base.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <viresh.kumar@linaro.org>
13 Devices work at voltage-current-frequency combinations and some implementations
25 pattern: '^opp-table(-[a-z0-9]+)?$'
27 opp-shared:
30 their DVFS state together, i.e. they share clock/voltage/current lines.
31 Missing property means devices have independent clock/voltage/current
[all …]
/Documentation/hwmon/
Dmpq8785.rst1 .. SPDX-License-Identifier: GPL-2.0-only
15 -----------
17 The MPQ8785 is a fully integrated, PMBus-compatible, high-frequency, synchronous
19 40A output current per phase, with excellent load and line regulation over a
21 output current load range.
26 The MPQ8785 adopts MPS's proprietary multi-phase digital constant-on-time (MCOT)
29 with excellent current sharing and phase interleaving for high-current
32 Fully integrated protection features include over-current protection (OCP),
33 over-voltage protection (OVP), under-voltage protection (UVP), and
34 over-temperature protection (OTP).
[all …]
Dlm85.rst79 - Philip Pokorny <ppokorny@penguincomputing.com>,
80 - Frodo Looijaard <frodol@dds.nl>,
81 - Richard Barrington <rich_b_nz@clear.net.nz>,
82 - Margit Schubert-While <margitsw@t-online.de>,
83 - Justin Thiessen <jthiessen@penguincomputing.com>
86 -----------
92 The LM85 uses the 2-wire interface compatible with the SMBUS 2.0
94 temperatures and five (5) voltages. It has four (4) 16-bit counters for
99 The voltage inputs have internal scaling resistors so that the following
100 voltage can be measured without external resistors:
[all …]
/Documentation/devicetree/bindings/iio/dac/
Dadi,ad5755.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD5755 Multi-Channel DAC
10 - Sean Nyekjaer <sean.nyekjaer@prevas.dk>
15 - adi,ad5755
16 - adi,ad5755-1
17 - adi,ad5757
18 - adi,ad5735
19 - adi,ad5737
[all …]
Dadi,ad7293.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AD7293 12-Bit Power Amplifier Current Controller with ADC,
8 DACs, Temperature and Current Sensors
11 - Antoniu Miclaus <antoniu.miclaus@analog.com>
14 Power Amplifier drain current controller containing functionality
15 for general-purpose monitoring and control of current, voltage,
17 SPI-compatible interface.
24 - adi,ad7293
[all …]
Dadi,ad5758.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <Michael.Hennerich@analog.com>
19 spi-cpha: true
21 adi,dc-dc-mode:
25 Mode of operation of the dc-to-dc converter
27 In this mode, the AD5758 circuitry senses the output voltage and
28 dynamically regulates the supply voltage, VDPC+, to meet compliance
29 requirements plus an optimized headroom voltage for the output buffer.
[all …]
Dadi,ad5421.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lars-Peter Clausen <lars@metafoo.de>
11 - Jonathan Cameron <jic23@kernel.org>
14 AD5421 is designed for us in loop-powered, 4 mA to 20 mA smart transmitter
15 applications. It provides a 16-bit DAC, current amplifier, voltage regulator
16 to drive the loop and a voltage reference.
30 - compatible
31 - reg
[all …]
/Documentation/devicetree/bindings/iio/adc/
Dti,lmp92064.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments LMP92064 Precision Current and Voltage Sensor.
10 - Leonard Göhrs <l.goehrs@pengutronix.de>
13 The LMP92064 is a two channel ADC intended for combined voltage and current
16 The device contains two ADCs to allow simultaneous sampling of voltage and
17 current and thus of instantaneous power consumption.
22 - ti,lmp92064
27 vdd-supply:
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Dadi,ad7173.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Ceclan Dumitru <dumitru.ceclan@analog.com>
15 The AD717x family offer a complete integrated Sigma-Delta ADC solution which
18 (Factory Automation PLC Input modules). The Sigma-Delta ADC is intended
23 The AD411X family encompasses a series of low power, low noise, 24-bit,
24 sigma-delta analog-to-digital converters that offer a versatile range of
26 fully differential/single-ended and bipolar voltage inputs.
29 https://www.analog.com/media/en/technical-documentation/data-sheets/AD4111.pdf
[all …]
Dadi,ad4130.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Cosmin Tanislav <cosmin.tanislav@analog.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/AD4130-8.pdf
20 - adi,ad4130
29 clock-names:
31 - const: mclk
36 interrupt-names:
42 - int
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Dmaxim,max11205.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ramona Bolboaca <ramona.bolboaca@analog.com>
13 The MAX11205 is an ultra-low-power (< 300FA max active current),
14 high-resolution, serial-output ADC.
19 - $ref: /schemas/spi/spi-peripheral-props.yaml#
24 - maxim,max11205a
25 - maxim,max11205b
33 spi-max-frequency:
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/Documentation/driver-api/
Ddevfreq.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Device Frequency Scaling
8 ------------
10 This framework provides a standard kernel interface for Dynamic Voltage and
11 Frequency Switching on arbitrary devices.
13 It exposes controls for adjusting frequency through sysfs files which are
16 Devices for which current usage can be measured can have their frequency
20 ---
25 .. kernel-doc:: include/linux/devfreq.h
26 .. kernel-doc:: include/linux/devfreq-event.h
[all …]
Dregulator.rst1 .. Copyright 2007-2008 Wolfson Microelectronics
8 Voltage and current regulator API
18 control voltage and current regulators.
22 both voltage regulators (where voltage output is controllable) and
23 current sinks (where current limit is controllable).
30 --------
38 output voltage or current.
62 drivers use `get <#API-regulator-get>`__ and
63 `put <#API-regulator-put>`__ operations to acquire and release
64 regulators. Functions are provided to `enable <#API-regulator-enable>`__
[all …]
/Documentation/devicetree/bindings/net/
Dmotorcomm,yt8xxx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Frank Sae <frank.sae@motor-comm.com>
13 - $ref: ethernet-phy.yaml#
18 - ethernet-phy-id4f51.e91a
19 - ethernet-phy-id4f51.e91b
21 rx-internal-delay-ps:
24 internal delay (phy-mode is 'rgmii-id' or 'rgmii-rxid') in pico-seconds.
30 tx-internal-delay-ps:
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/Documentation/power/regulator/
Dconsumer.rst72 3. Regulator Voltage Control & Status (dynamic drivers)
76 voltage to match system operating points. e.g. CPUfreq drivers can scale
77 voltage along with frequency to save power, SD drivers may need to select the
78 correct card voltage, etc.
80 Consumers can control their supply voltage by calling::
88 when enabled, then the voltage changes instantly, otherwise the voltage
89 configuration changes and the voltage is physically set when the regulator is
92 The regulators configured voltage output can be found by calling::
97 get_voltage() will return the configured output voltage whether the
100 determine the regulator physical output voltage.
[all …]
/Documentation/ABI/testing/
Dsysfs-platform-dptf4 Contact: linux-acpi@vger.kernel.org
6 (RO) The charger type - Traditional, Hybrid or NVDC.
11 Contact: linux-acpi@vger.kernel.org
19 Contact: linux-acpi@vger.kernel.org
27 Contact: linux-acpi@vger.kernel.org
32 bits[3:0] Current power source
33 - 0x00 = DC
34 - 0x01 = AC
35 - 0x02 = USB
36 - 0x03 = Wireless Charger
[all …]
/Documentation/devicetree/bindings/regulator/
Drichtek,rt6245-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rt6245-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT6245 High Current Voltage Regulator
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RT6245 is a high-performance, synchronous step-down converter
14 that can deliver up to 14A output current with an input supply
15 voltage range of 4.5V to 17V.
18 - $ref: regulator.yaml#
[all …]
/Documentation/driver-api/thermal/
Dcpu-cooling-api.rst22 --------------------------------------------
30 "thermal-cpufreq-%x". This api can support multiple instances of cpufreq
34 cpumask of cpus where the frequency constraints will happen.
42 the name "thermal-cpufreq-%x" linking it with a device tree node, in
54 This interface function unregisters the "thermal-cpufreq-%x" cooling device.
62 CPUs. The current power is calculated as dynamic power (static power isn't
63 supported currently). This power model requires that the operating-points of
73 - The time the processor spends running, consuming dynamic power, as
76 - The voltage and frequency levels as a result of DVFS. The DVFS
78 - In running time the 'execution' behaviour (instruction types, memory
[all …]
Dintel_dptf.rst1 .. SPDX-License-Identifier: GPL-2.0
12 ------------
31 ----------------------------
43 "42A441D6-AE6A-462b-A84B-4A8CE79027D3" : Passive 1
45 "3A95C389-E4B8-4629-A526-C52C88626BAE" : Active
47 "97C68AE7-15FA-499c-B8C9-5DA81D606E0A" : Critical
49 "63BE270F-1C11-48FD-A6F7-3AF253FF3E2D" : Adaptive performance
51 "5349962F-71E6-431D-9AE8-0A635B710AEE" : Emergency call
53 "9E04115A-AE87-4D1C-9500-0F3E340BFE75" : Passive 2
55 "F5A35014-C209-46A4-993A-EB56DE7530A1" : Power Boss
[all …]
/Documentation/driver-api/memory-devices/
Dti-emif.rst1 .. SPDX-License-Identifier: GPL-2.0
32 functions of the driver includes re-configuring AC timing
33 parameters and other settings during frequency, voltage and
41 - DDR device details: 'struct ddr_device_info'
42 - Device AC timings: 'struct lpddr2_timings' and 'struct lpddr2_min_tck'
43 - Custom configurations: customizable policy options through
45 - IP revision
46 - PHY type
50 EMIF driver registers notifiers for voltage and frequency changes
53 - freq_pre_notify_handling()
[all …]
/Documentation/devicetree/bindings/memory-controllers/
Dsamsung,exynos5422-dmc.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/samsung,exynos5422-dmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 Samsung Exynos5422 SoC frequency and voltage scaling for Dynamic Memory
12 - Krzysztof Kozlowski <krzk@kernel.org>
13 - Lukasz Luba <lukasz.luba@arm.com>
18 runtime and switch frequency and voltage. To monitor the usage of the
20 Monitoring Unit), which is able to measure the current load of the memory.
22 switch the DMC and memory frequency.
[all …]
/Documentation/devicetree/bindings/leds/backlight/
Dqcom-wled.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/qcom-wled.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <andersson@kernel.org>
11 - Kiran Gunda <quic_kgunda@quicinc.com>
21 - qcom,pm8941-wled
22 - qcom,pmi8950-wled
23 - qcom,pmi8994-wled
24 - qcom,pmi8998-wled
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