| /openbmc/linux/Documentation/devicetree/bindings/regulator/ |
| H A D | regulator.yaml | 1 # 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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| /openbmc/linux/include/linux/regulator/ |
| H A D | machine.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * machine.h -- SoC Regulator support, machine/board driver API.
24 * VOLTAGE: Regulator output voltage can be changed by software on this
44 * DO_NOTHING_IN_SUSPEND - the default value
45 * DISABLE_IN_SUSPEND - turn off regulator in suspend states
46 * ENABLE_IN_SUSPEND - keep regulator on in suspend states
60 * struct regulator_state - regulator state during low power system states
66 * @uV: Default operating voltage during suspend, it can be adjusted
68 * @min_uV: Minimum suspend voltage may be set.
69 * @max_uV: Maximum suspend voltage may be set.
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| H A D | driver.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * driver.h -- SoC Regulator driver support.
44 /* Hardware shut down voltage outputs if condition is detected */
62 * struct regulator_ops - regulator operations.
69 * @set_voltage: Set the voltage for the regulator within the range specified.
70 * The driver should select the voltage closest to min_uV.
71 * @set_voltage_sel: Set the voltage for the regulator using the specified
73 * @map_voltage: Convert a voltage into a selector
74 * @get_voltage: Return the currently configured voltage for the regulator;
75 * return -ENOTRECOVERABLE if regulator can't be read at
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| /openbmc/linux/Documentation/devicetree/bindings/iio/adc/ |
| H A D | ti,ads1015.yaml | 1 # 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,tla2024
26 "#address-cells":
29 "#size-cells":
32 "#io-channel-cells":
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| /openbmc/linux/Documentation/devicetree/bindings/mfd/ |
| H A D | as3711.txt | 4 standard regulator properties, they must belong to a sub-node, called
9 - compatible : must be "ams,as3711"
10 - reg : specifies the I2C address
14 - su1-dev : framebuffer phandle
15 - su1-max-uA : maximum current
19 - su2-dev : framebuffer phandle
20 - su1-max-uA : maximum current
24 - su2-feedback-voltage : voltage feedback is used
25 - su2-feedback-curr1 : CURR1 input used for current feedback
26 - su2-feedback-curr2 : CURR2 input used for current feedback
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| /openbmc/linux/Documentation/hwmon/ |
| H A D | ibm-cffps.rst | 1 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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| H A D | ir36021.rst | 1 .. 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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| H A D | ltc2947.rst | 1 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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| /openbmc/linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | maxim,max17042.yaml | 1 # 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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| H A D | battery.yaml | 1 # 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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| H A D | richtek,rt9455.yaml | 1 # 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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| /openbmc/u-boot/arch/arm/mach-omap2/omap5/ |
| H A D | Kconfig | 6 DRA7xx is an OMAP based SOC with Dual Core A-15s.
13 bool "CompuLab CL-SOM-AM57x"
17 bool "CompuLab CM-T54"
62 expected to specify a pre-computed time using the above option.
67 3: Voltage ramp time, which can be derived using the PMIC slew rate
68 and value of voltage ramp needed.
71 menu "Voltage Domain OPP selections"
74 prompt "MPU Voltage Domain"
77 Select the Operating Performance Point(OPP) for the MPU voltage
89 prompt "DSPEVE Voltage Domain"
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| /openbmc/linux/Documentation/ABI/testing/ |
| H A D | sysfs-class-led-flash | 55 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
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| H A D | sysfs-class-regulator | 20 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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| H A D | sysfs-class-power | 5 Contact: linux-pm@vger.kernel.org
14 Contact: linux-pm@vger.kernel.org
23 Contact: linux-pm@vger.kernel.org
32 Contact: linux-pm@vger.kernel.org
43 Contact: linux-pm@vger.kernel.org
47 Reports an average IBAT current reading for the battery, over
54 Reports an average IBUS current reading over a fixed period.
66 Contact: linux-pm@vger.kernel.org
81 Contact: linux-pm@vger.kernel.org
94 read-only reporting, unless the 'online' state of the supply
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| /openbmc/linux/Documentation/devicetree/bindings/iio/afe/ |
| H A D | voltage-divider.yaml | 1 # 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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| H A D | current-sense-shunt.yaml | 1 # 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.
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| /openbmc/linux/include/linux/mfd/ |
| H A D | rohm-bd957x.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
18 * - I2C/thermal,
19 * - Over voltage protection
20 * - Short-circuit protection
21 * - Over current protection
22 * - Over voltage detection
23 * - Under voltage detection
24 * - Under voltage protection
25 * - 'system interrupt'.
28 * information - for example which of the regulators have over-voltage.
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| /openbmc/u-boot/cmd/aspeed/ |
| H A D | dptest.h | 1 /* SPDX-License-Identifier: GPL-2.0+
64 /* Re-driver setting */
80 /* I2C write over AUX command with MOT */
82 /* I2C write over AUX command with MOT and stop by addr */
85 /* I2C read over AUX command with MOT */
87 /* I2C read over AUX command with MOT and stop by addr */
90 /* I2C write over AUX command */
92 /* I2C write over AUX command stop by addr */
95 /* I2C read over AUX command */
97 /* I2C read over AUX command stop by addr */
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| /openbmc/linux/Documentation/devicetree/bindings/hwmon/ |
| H A D | ntc-thermistor.yaml | 1 # 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 +-+
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| /openbmc/linux/include/linux/ |
| H A D | power_supply.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
226 /* Run-time specific power supply configuration */
354 int vbat_uv; /* Battery voltage in microvolt */
359 * struct power_supply_maintenance_charge_table - setting for maintenace charging
363 * reach this voltage the maintenance charging current is turned off. It is
364 * turned back on if we fall below this voltage.
365 * @charge_voltage_max_uv: maintenance charging voltage that is usually a bit
367 * charge_current_max_ua until we get back up to this voltage.
371 * maintenance charge current and voltage pair in respective array and wait
384 * the power used in standby mode. This will over time give a charge graph
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| /openbmc/linux/drivers/media/dvb-frontends/ |
| H A D | lnbp21.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * lnbp21.h - driver for lnb supply and control ic lnbp21
14 /* [RO] 0=OK; 1=over current limit flag */
16 /* [RO] 0=OK; 1=over temperature flag (150 C) */
21 /* [RW] 0=low voltage (13/14V, vert pol)
22 1=high voltage (18/19V,horiz pol) */
24 /* [RW] increase LNB voltage by 1V:
31 0:Iout=500-650mA Isc=300mA
32 1:Iout=400-550mA Isc=200mA */
34 /* [RW] short-circuit protect:
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| /openbmc/witherspoon-pfault-analysis/org/open_power/Witherspoon/ |
| H A D | Fault.errors.yaml | 1 - name: PowerSupplyInputFault
3 The power supply has indicated an input or under voltage condition. Check
6 - name: PowerSupplyShouldBeOn
9 - name: PowerSupplyOutputOvercurrent
12 - name: PowerSupplyOutputOvervoltage
15 - name: PowerSupplyFanFault
18 - name: PowerSupplyTemperatureFault
19 description: The power supply has had an over temperature condition.
21 - name: Shutdown
24 - name: PowerOnFailure
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| /openbmc/linux/drivers/net/wireless/intel/iwlwifi/fw/api/ |
| H A D | phy.h | 1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2019-2022 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
11 * enum iwl_phy_ops_subcmd_ids - PHY group commands
66 * struct iwl_dts_measurement_cmd - request DTS temp and/or voltage measurements
76 * enum iwl_dts_control_measurement_mode - DTS measurement type
83 * @DTS_OVER_WRITE: over-write the DTS temperatures in the SW until next read
95 * enum iwl_dts_used - DTS to use or used for measurement in the DTS request
111 * enum iwl_dts_bit_mode - bit-mode to use in DTS request read mode
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| /openbmc/linux/include/linux/platform_data/ |
| H A D | lp8755.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
16 #define LP8755_NAME "lp8755-regulator"
19 *OCP : over current protect activated
20 *OVP : over voltage protect activated
61 * @buck_data : buck0~6 init voltage in uV
|