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/Documentation/devicetree/bindings/iio/adc/
Dti,ads1015.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Daniel Baluta <daniel.baluta@nxp.com>
19 - ti,ads1015
20 - ti,ads1115
21 - ti,tla2021
22 - ti,tla2024
30 "#address-cells":
33 "#size-cells":
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/Documentation/devicetree/bindings/regulator/
Dregulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Voltage/Current Regulators
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
14 regulator-name:
18 regulator-min-microvolt:
19 description: smallest voltage consumers may set
21 regulator-max-microvolt:
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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
15 voltage range of 4.5V to 17V.
18 - $ref: regulator.yaml#
23 - richtek,rt6245
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/Documentation/hwmon/
Dibm-cffps.rst1 Kernel driver ibm-cffps
11 -----------
17 -----------
19 This driver does not auto-detect devices. You will have to instantiate the
20 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
24 -------------
29 curr1_alarm Output current over-current alarm.
40 in1_alarm Input voltage under-voltage alarm.
41 in1_input Measured input voltage in mV.
43 in2_alarm Output voltage over-voltage alarm.
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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
20 wide input supply range. The MPQ8785 operates at high efficiency over a wide
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).
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Dir36021.rst1 .. SPDX-License-Identifier: GPL-2.0
11 Addresses scanned: -
17 - Chris Packham <chris.packham@alliedtelesis.co.nz>
20 -----------
22 The IR36021 is a dual-loop digital multi-phase buck controller designed for
26 -----------
32 ----------------
41 curr2_alarm Output over-current alarm
44 in1_input Measured input voltage
45 in1_alarm Input under-voltage alarm
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Dltc2947.rst1 Kernel drivers ltc2947-i2c and ltc2947-spi
10 Addresses scanned: -
14 https://www.analog.com/media/en/technical-documentation/data-sheets/LTC2947.pdf
22 voltage, power, temperature, charge and energy. The device supports both SPI
37 The following attributes are supported. Limits are read-write, reset_history
38 is write-only and all the other attributes are read-only.
41 in0_input VP-VM voltage (mV).
44 in0_lowest Lowest measured voltage
45 in0_highest Highest measured voltage
49 in0_label Channel label (VP-VM)
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Dltc4282.rst1 .. SPDX-License-Identifier: GPL-2.0-only
12 Addresses scanned: - I2C 0x40 - 0x5A (7-bit)
13 Addresses scanned: - I2C 0x80 - 0xB4 with a step of 2 (8-bit)
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4282.pdf
25 from a live backplane. Using one or more external N-channel pass transistors,
26 board supply voltage and inrush current are ramped up at an adjustable rate. An
27 I2C interface and onboard ADC allows for monitoring of board current, voltage,
31 parallel MOSFETs or support a 2-stage start-up that first charges the load
32 capacitance followed by enabling a low on-resistance path to the load. The
35 and power supplies must safely operate. Non-volatile configuration allows for
[all …]
Dpli1209bc.rst1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: 0x50 - 0x5F
14 Datasheet: https://www.vicorpower.com/documents/datasheets/ds-PLI1209BCxyzz-VICOR.pdf
17 - Marcello Sylvester Bauer <sylv@sylv.io>
20 -----------
25 interface over an isolated UART interface. Through the PLI, the host processor
29 -------------
33 in1_input Input voltage.
34 in1_rated_min Minimum rated input voltage.
35 in1_rated_max Maximum rated input voltage.
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Dstpddc60.rst1 .. SPDX-License-Identifier: GPL-2.0
12 Addresses scanned: -
14 Datasheet: https://flexpowermodules.com/documents/fpm-techspec-bmr481
20 -----------
26 Documentation/hwmon/pmbus.rst and Documentation.hwmon/pmbus-core for details
31 -----------
33 This driver does not auto-detect devices. You will have to instantiate the
34 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
37 The vout under- and over-voltage limits are set in relation to the commanded
38 output voltage as a positive or negative offset in the interval 50mV to 400mV
[all …]
Dpowr1220.rst19 -----------
22 includes voltage monitoring for 14 inputs as well as trim settings
23 for output voltages and GPIOs. This driver implements the voltage
26 Voltages are sampled by a 12-bit ADC with a step size of 2 mV.
27 An in-line attenuator allows measurements from 0 to 6 V. The
30 value over the low measurement range maximum of 2 V.
/Documentation/devicetree/bindings/power/supply/
Dmaxim,max17042.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
18 - maxim,max17042
19 - maxim,max17047
20 - maxim,max17050
21 - maxim,max17055
22 - maxim,max77849-battery
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Dbattery.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
14 In smart batteries, these are typically stored in non-volatile memory
16 no appropriate non-volatile memory, or it is unprogrammed/incorrect.
27 Batteries must be referenced by chargers and/or fuel-gauges using a phandle.
28 The phandle's property should be named "monitored-battery".
32 const: simple-battery
34 device-chemistry:
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Drichtek,rt9455.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
25 richtek,output-charge-current:
29 richtek,end-of-charge-percentage:
32 percent of the output charge current. When the current in constant-voltage phase drops
33 below output_charge_current x end-of-charge-percentage, charge is terminated.
35 richtek,battery-regulation-voltage:
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Dbq24257.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Bq24250, bq24251 and bq24257 Li-Ion Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - ti,bq24250
20 - ti,bq24251
21 - ti,bq24257
29 ti,battery-regulation-voltage:
[all …]
Dactive-semi,act8945a-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/active-semi,act8945a-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Active-semi ACT8945A Charger Function
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
17 const: active-semi,act8945a-charger
22 active-semi,chglev-gpios:
26 active-semi,lbo-gpios:
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/Documentation/ABI/testing/
Dsysfs-class-led-flash55 Flash faults are re-read after strobing the flash. Possible
58 * led-over-voltage
59 flash controller voltage to the flash LED
61 * flash-timeout-exceeded
65 * controller-over-temperature
68 * controller-short-circuit
71 * led-power-supply-over-current
75 * indicator-led-fault
78 * led-under-voltage
79 flash controller voltage to the flash
[all …]
Dsysfs-class-regulator20 supplying power to the system (unless some non-Linux
38 - off
39 - on
40 - error
41 - fast
42 - normal
43 - idle
44 - standby
52 "error" indicates an out-of-regulation status such as being
53 disabled due to thermal shutdown, or voltage being unstable
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Dsysfs-class-power-ltc4162l1 What: /sys/class/power_supply/ltc4162-l/charge_status
18 What: /sys/class/power_supply/ltc4162-l/ibat
29 What: /sys/class/power_supply/ltc4162-l/vbat
33 Battery voltage as measured by the charger.
39 What: /sys/class/power_supply/ltc4162-l/vbat_avg
43 Battery voltage, averaged over time, as measured by the charger.
49 What: /sys/class/power_supply/ltc4162-l/force_telemetry
55 voltage, current and temperature measurements.
65 What: /sys/class/power_supply/ltc4162-l/arm_ship_mode
74 until some external power-supply is attached raising the input
[all …]
/Documentation/devicetree/bindings/iio/afe/
Dvoltage-divider.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/voltage-divider.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Voltage divider
10 - Peter Rosin <peda@axentia.se>
13 When an io-channel measures the midpoint of a voltage divider, the
14 interesting voltage is often the voltage over the full resistance
15 of the divider. This binding describes the voltage divider in such
18 Vin ----.
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Dcurrent-sense-shunt.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/current-sense-shunt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Peter Rosin <peda@axentia.se>
13 When an io-channel measures the voltage over a current sense shunt,
15 shunt, not the voltage over it. This binding describes such a current
20 const: current-sense-shunt
22 io-channels:
25 Channel node of a voltage io-channel.
[all …]
/Documentation/devicetree/bindings/mfd/
Dams,as3711.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
15 two step-up DC/DC converters are defined.
26 Step-up converter configuration, to be used as a backlight source
31 const: ams,as3711-bl
33 su1-dev:
34 description: Framebuffer phandle for the first step-up converter
37 su1-max-uA:
[all …]
Drohm,bd96801-pmic.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/rohm,bd96801-pmic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
13 BD96801 is an automotive grade single-chip power management IC.
15 over-/under voltage and over current detection and a watchdog.
36 interrupt-names:
39 - enum: [intb, errb]
40 - const: errb
[all …]
/Documentation/devicetree/bindings/hwmon/
Dntc-thermistor.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 ---
3 $id: http://devicetree.org/schemas/hwmon/ntc-thermistor.yaml#
4 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 - Linus Walleij <linus.walleij@linaro.org>
13 vary in resistance in an often non-linear way in relation to temperature.
16 temperature is non-linear, software drivers most often need to use a look
20 pull-up resistor or/and a pull-down resistor and a fixed voltage like this:
22 + e.g. 5V = pull-up voltage (puv)
24 +-+
[all …]
Dadi,adm1177.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
14 https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
19 - adi,adm1177
24 avcc-supply:
28 shunt-resistor-micro-ohms:
33 adi,shutdown-threshold-microamp:
35 Specifies the current level at which an over current alert occurs.
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