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/linux/Documentation/devicetree/bindings/regulator/
H A 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:
[all …]
/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":
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/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 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
[all …]
/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/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:
[all …]
/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/Documentation/devicetree/bindings/iio/afe/
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/hwmon/
H A 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 <linusw@kernel.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 …]
/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/hid/
H A Dhid-logitech-hidpp.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (c) 2012-2013 Google (c)
7 * Copyright (c) 2013-2014 Red Hat Inc.
25 #include <linux/fixp-arith.h>
28 #include "hid-ids.h"
39 "Disable Tap-To-Click mode reporting for touchpads (only on the K400 currently).");
41 /* Define a non-zero software ID to identify our own requests */
84 /* Convenience constant to check for any high-res support. */
128 u8 params[HIDPP_REPORT_VERY_LONG_MAX_LENGTH - 4U];
134 u8 params[HIDPP_REPORT_VERY_LONG_MAX_LENGTH - 4U];
[all …]
/linux/Documentation/devicetree/bindings/power/supply/
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:
[all …]
H A 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 …]
/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/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/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/include/uapi/regulator/
H A Dregulator.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
16 * UNDER_VOLTAGE Regulator output is under voltage.
20 * OVER_TEMP Regulator over temp.
22 * VOLTAGE_CHANGE Regulator voltage changed.
23 * Data passed is old voltage cast to (void *).
25 * PRE_VOLTAGE_CHANGE Regulator is about to have voltage changed.
27 * ABORT_VOLTAGE_CHANGE Regulator voltage change failed for some reason.
28 * Data passed is old voltage cast to (void *).
71 #define REG_GENL_ATTR_MAX (__REG_GENL_ATTR_MAX - 1)
76 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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