Searched +full:under +full:- +full:voltage (Results 1 – 25 of 60) sorted by relevance
123
| /Documentation/ABI/testing/ |
| 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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| 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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| /Documentation/hwmon/ |
| 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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| D | inspur-ipsps1.rst | 1 Kernel driver inspur-ipsps1
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 -------------
44 in1_alarm Input voltage under-voltage alarm.
45 in1_input Measured input voltage in mV.
47 in2_input Measured output voltage in mV.
49 in2_lcrit Critical minimum output voltage
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| D | acbel-fsg032.rst | 1 Kernel driver acbel-fsg032
6 * ACBEL FSG032-00xG power supply.
11 -----------
13 This driver supports ACBEL FSG032-00xG Power Supply. This driver
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 -------------
50 in1_alarm Input voltage under-voltage alarm.
51 in1_input Measured input voltage.
[all …]
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| 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.
[all …]
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| D | stpddc60.rst | 1 .. 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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| D | mpq8785.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
15 -----------
17 The MPQ8785 is a fully integrated, PMBus-compatible, high-frequency, synchronous
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).
41 - PMBus rev 1.3 interface.
44 for input voltage:
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| D | ltc4245.rst | 10 Addresses scanned: 0x20-0x3f
20 -----------
28 -----------
38 $ echo ltc4245 0x23 > /sys/bus/i2c/devices/i2c-1/new_device
42 -------------
44 The LTC4245 has built-in limits for over and under current warnings. This
48 into the values specified in the sysfs-interface document. The current readings
52 in1_input 12v input voltage (mV)
53 in2_input 5v input voltage (mV)
54 in3_input 3v input voltage (mV)
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| D | ibmpowernv.rst | 11 -----------
14 voltage/power for 'POWERNV' platform.
21 All the nodes in the DT appear under "/ibm,opal/sensors" and each valid node in
22 the DT maps to an attribute file in 'sysfs'. The node exports unique 'sensor-id'
26 -----------
31 ----------------
36 fanX_fault - 0: No fail condition
37 - 1: Failing fan
44 sub-group. In POWER9, this attribute corresponds to
48 - 1: Enable
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| D | tps53679.rst | 10 Addresses scanned: -
18 Addresses scanned: -
26 Addresses scanned: -
34 Addresses scanned: -
42 Addresses scanned: -
50 Addresses scanned: -
52 Datasheet: Available under NDA
57 Guenter Roeck <linux@roeck-us.net>
61 -----------
63 Chips in this series are multi-phase step-down converters with one or two
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| D | bt1-pvt.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
3 Kernel driver bt1-pvt
8 * Baikal-T1 PVT sensor (in SoC)
10 Prefix: 'bt1-pvt'
12 Addresses scanned: -
14 Datasheet: Provided by BAIKAL ELECTRONICS upon request and under NDA
21 -----------
24 embedded into Baikal-T1 process, voltage and temperature sensors. PVT IP-core
25 consists of one temperature and four voltage sensors, which can be used to
26 monitor the chip internal environment like heating, supply voltage and
[all …]
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| D | ftsteutates.rst | 10 Addresses scanned: I2C 0x73 (7-Bit)
16 -----------
30 The 4 voltages require a board-specific multiplier, since the BMC can
31 only measure voltages up to 3.3V and thus relies on voltage dividers.
40 under the following path:
42 /Services/Software_Tools/Linux_SystemMonitoring_Watchdog_GPIO/BMC-Teutates_Specification_V1.21.pdf
|
| D | dme1737.rst | 12 Datasheet: Provided by SMSC upon request and under NDA
18 Addresses scanned: none, address read from Super-I/O config space
28 Datasheet: Provided by SMSC upon request and under NDA
34 Addresses scanned: none, address read from Super-I/O config space
36 Datasheet: Provided by SMSC upon request and under NDA
43 -----------------
46 Enables the monitoring of voltage, fan and temp inputs
52 Include non-standard LPC addresses 0x162e and 0x164e
55 - VIA EPIA SN18000
59 -----------
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| /Documentation/devicetree/bindings/regulator/ |
| 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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| /Documentation/devicetree/bindings/power/supply/ |
| D | richtek,rt5033-charger.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/richtek,rt5033-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jakob Hauser <jahau@rocketmail.com>
14 under sub-node named "charger" using the following format.
18 const: richtek,rt5033-charger
20 monitored-battery:
26 precharge-current-microamp:
27 Current of pre-charge mode. The pre-charge current levels are 350 mA
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| /Documentation/devicetree/bindings/cpufreq/ |
| D | cpufreq-dt.txt | 5 clock and voltage across all CPUs.
8 under node /cpus/cpu@0.
11 - None
14 - operating-points: Refer to Documentation/devicetree/bindings/opp/opp-v1.yaml for
17 - clock-latency: Specify the possible maximum transition latency for clock,
19 - voltage-tolerance: Specify the CPU voltage tolerance in percentage.
20 - #cooling-cells:
22 Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml.
27 #address-cells = <1>;
28 #size-cells = <0>;
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| D | nvidia,tegra124-cpufreq.txt | 2 ----------------------------------------------
5 under node /cpus/cpu@0.
8 - clocks: Must contain an entry for each entry in clock-names.
9 See ../clocks/clock-bindings.txt for details.
10 - clock-names: Must include the following entries:
11 - cpu_g: Clock mux for the fast CPU cluster.
12 - pll_x: Fast PLL clocksource.
13 - pll_p: Auxiliary PLL used during fast PLL rate changes.
14 - dfll: Fast DFLL clocksource that also automatically scales CPU voltage.
17 - clock-latency: Specify the possible maximum transition latency for clock,
[all …]
|
| /Documentation/driver-api/ |
| D | regulator.rst | 1 .. Copyright 2007-2008 Wolfson Microelectronics
4 .. it and/or modify it under the terms of the GNU General Public
8 Voltage and current regulator API
18 control voltage and current regulators.
22 both voltage regulators (where voltage output is controllable) and
26 available in the Linux kernel source under
30 --------
38 output voltage or current.
62 drivers use `get <#API-regulator-get>`__ and
63 `put <#API-regulator-put>`__ operations to acquire and release
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| /Documentation/devicetree/bindings/interconnect/ |
| D | mediatek,cci.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek Cache Coherent Interconnect (CCI) frequency and voltage scaling
10 - Jia-Wei Chang <jia-wei.chang@mediatek.com>
11 - Johnson Wang <johnson.wang@mediatek.com>
15 MT8183 and MT8186 SoCs to scale the frequency and adjust the voltage in
16 hardware. It can also optimize the voltage to reduce the power consumption.
21 - mediatek,mt8183-cci
22 - mediatek,mt8186-cci
[all …]
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| /Documentation/devicetree/bindings/hwmon/ |
| 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 +-+
[all …]
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| /Documentation/devicetree/bindings/mfd/ |
| D | richtek,rt5120.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RT5120 provides four high-efficiency buck converters and one LDO voltage
14 regulator. The device is targeted at providingthe processor voltage, memory,
16 used for dynamic voltage scaling of the processor voltage, power rails on/off
22 - richtek,rt5120
30 interrupt-controller: true
32 "#interrupt-cells":
[all …]
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| D | richtek,rt5033.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jakob Hauser <jahau@rocketmail.com>
30 The regulators of RT5033 have to be instantiated under a sub-node named
31 "regulators". For SAFE_LDO voltage there is only one value of 4.9 V. LDO
32 voltage ranges from 1.2 V to 3.0 V in 0.1 V steps. BUCK voltage ranges
44 $ref: /schemas/power/supply/richtek,rt5033-charger.yaml#
47 - compatible
48 - reg
[all …]
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| D | rohm,bd96801-pmic.yaml | 1 # 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 …]
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| /Documentation/driver-api/thermal/ |
| D | cpu-idle-cooling.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 ----------
10 Under certain circumstances a SoC can reach a critical temperature
26 budget lower than the requested one and under-utilize the CPU, thus
27 losing performance. In other words, one OPP under-utilizes the CPU
33 ----------
58 ---------------
78 |------- -------
81 <------>
82 idle <---------------------->
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