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/linux/Documentation/devicetree/bindings/iio/adc/
H A 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":
[all …]
/linux/Documentation/hwmon/
H A 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.
[all …]
H A 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
[all …]
H A 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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H A 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 …]
H A 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.
[all …]
H A 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
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/linux/drivers/regulator/
H A Dbd96801-regulator.c1 // SPDX-License-Identifier: GPL-2.0
3 // bd96801-regulator.c ROHM BD96801 regulator driver
11 * regulator safety limits (like limits for the over/under -voltages, over
23 * which implements some of the safety limit configurations - but leaves the
36 #include <linux/mfd/rohm-generic.h>
37 #include <linux/mfd/rohm-bd96801.h>
145 * This is a voltage range that get's appended to selected
148 * and the range from 0x10 to 0x1f is bd96801_buck_init_volts - 150mV ...
149 * bd96801_buck_init_volts - 0. But as the members of linear_range
150 * are all unsigned I will apply offset of -150 mV to value in
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/linux/Documentation/ABI/testing/
H A 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 …]
H A 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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/linux/Documentation/devicetree/bindings/iio/afe/
H A 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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H A 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 …]
/linux/Documentation/devicetree/bindings/power/supply/
H A 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:
[all …]
H A 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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/linux/Documentation/devicetree/bindings/mfd/
H A 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 …]
H A 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 and BD96805 are automotive grade, single-chip power management ICs.
15 over-/under voltage and over current detection and a watchdog.
20 - rohm,bd96801
21 - rohm,bd96805
38 interrupt-names:
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/linux/include/linux/mfd/
H A Drohm-bd957x.h1 /* 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.
[all …]
/linux/drivers/media/dvb-frontends/
H A Dlnbp21.h1 /* 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:
/linux/drivers/net/wireless/intel/iwlwifi/fw/api/
H A Dphy.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2019-2022, 2024-2025 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
13 * enum iwl_phy_ops_subcmd_ids - PHY group commands
73 * struct iwl_dts_measurement_cmd - request DTS temp and/or voltage measurements
83 * enum iwl_dts_control_measurement_mode - DTS measurement type
90 * @DTS_OVER_WRITE: over-write the DTS temperatures in the SW until next read
102 * enum iwl_dts_used - DTS to use or used for measurement in the DTS request
118 * enum iwl_dts_bit_mode - bit-mode to use in DTS request read mode
[all …]
/linux/arch/mips/include/asm/dec/
H A Dkn01.h61 #define KN01_CSR_STATUS (1<<14) /* self-test result status output */
68 #define KN01_CSR_VBGTRG (1<<2) /* blue DAC voltage over green (r/o) */
69 #define KN01_CSR_VRGTRG (1<<1) /* red DAC voltage over green (r/o) */
70 #define KN01_CSR_VRGTRB (1<<0) /* red DAC voltage over blue (r/o) */
/linux/include/linux/platform_data/
H A Dlp8755.h1 /* 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
/linux/drivers/opp/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 voltage pairs that the device will support per voltage domain. This
8 of OPP varies over silicon within the same family of devices.
11 representing individual voltage domains and provides SOC
/linux/drivers/video/backlight/
H A Darcxcnn_bl.c1 // SPDX-License-Identifier: GPL-2.0-only
48 #define ARCXCNN_CMD_OVP_MASK 0x0C /* --- Over Voltage Threshold */
49 #define ARCXCNN_CMD_OVP_XXV 0x0C /* <rsvrd> Over Voltage Threshold */
50 #define ARCXCNN_CMD_OVP_20V 0x08 /* 20v Over Voltage Threshold */
51 #define ARCXCNN_CMD_OVP_24V 0x04 /* 24v Over Voltage Threshold */
52 #define ARCXCNN_CMD_OVP_31V 0x00 /* 31.4v Over Voltage Threshold */
63 #define ARCXCNN_LEDEN_ISETEXT 0x80 /* Full-scale current set extern */
99 ret = i2c_smbus_read_byte_data(lp->client, reg); in arcxcnn_update_field()
101 dev_err(lp->dev, "failed to read 0x%.2x\n", reg); in arcxcnn_update_field()
109 return i2c_smbus_write_byte_data(lp->client, reg, tmp); in arcxcnn_update_field()
[all …]
/linux/include/uapi/regulator/
H A Dregulator.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
20 * UNDER_VOLTAGE Regulator output is under voltage.
24 * OVER_TEMP Regulator over temp.
26 * VOLTAGE_CHANGE Regulator voltage changed.
27 * Data passed is old voltage cast to (void *).
29 * PRE_VOLTAGE_CHANGE Regulator is about to have voltage changed.
31 * ABORT_VOLTAGE_CHANGE Regulator voltage change failed for some reason.
32 * Data passed is old voltage cast to (void *).
75 #define REG_GENL_ATTR_MAX (__REG_GENL_ATTR_MAX - 1)
80 REG_GENL_CMD_EVENT, /* kernel->user notifications for reg events */
[all …]
/linux/arch/arm/mach-omap2/
H A Dvc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * OMAP Voltage Controller (VC) interface
17 #include "voltage.h"
19 #include "prm-regbits-34xx.h"
20 #include "prm-regbits-44xx.h"
52 * struct omap_vc_channel_cfg - describe the cfg_channel bitfield
54 * @rav: bit for voltage configuration register
101 * omap_vc_config_channel - configure VC channel to PMIC mappings
106 * - i2c slave address (SA)
107 * - voltage configuration address (RAV)
[all …]

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