| /linux/Documentation/devicetree/bindings/iio/adc/ |
| H A D | xlnx,zynqmp-ams.yaml | 15 conditions, such as temperature and supply voltage levels.
28 AMS CTRL |0 |System PLLs voltage measurement, VCC_PSPLL. |Voltage
29 |1 |Battery voltage measurement, VCC_PSBATT. |Voltage
30 |2 |PL Internal voltage measurement, VCCINT. |Voltage
31 |3 |Block RAM voltage measurement, VCCBRAM. |Voltage
32 |4 |PL Aux voltage measurement, VCCAUX. |Voltage
33 |5 |Voltage measurement for six DDR I/O PLLs, VCC_PSDDR_PLL. |Voltage
34 |6 |VCC_PSINTFP_DDR voltage measurement. |Voltage
38 |9 |VCC PS LPD voltage measurement (supply1). |Voltage
39 |10 |VCC PS FPD voltage measurement (supply2). |Voltage
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| /linux/drivers/regulator/ |
| H A D | Kconfig | 3 bool "Voltage and Current Regulator Support"
6 Generic Voltage and Current Regulator support.
8 This framework is designed to provide a generic interface to voltage
10 provide voltage and current control to client or consumer drivers and
16 to both voltage regulators (where voltage output is controllable) and
34 tristate "Fixed voltage regulator support"
36 This driver provides support for fixed voltage regulators,
43 This driver provides a virtual consumer for the voltage and
70 tristate "Marvell 88PG86X voltage regulators"
74 This driver supports Marvell 88PG867 and 88PG868 voltage regulators.
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| /linux/arch/arm/mach-omap2/ |
| H A D | voltage.c | 3 * OMAP3/OMAP4 Voltage Management Routines
36 #include "voltage.h"
46 * voltdm_get_voltage() - Gets the current non-auto-compensated voltage
47 * @voltdm: pointer to the voltdm for which current voltage info is needed
49 * API to get the current non-auto-compensated voltage for a voltage domain.
50 * Returns 0 in case of error else returns the current voltage.
63 * voltdm_scale() - API to scale voltage of a particular voltage domain.
64 * @voltdm: pointer to the voltage domain which is to be scaled.
65 * @target_volt: The target voltage of the voltage domain
67 * This API should be called by the kernel to do the voltage scaling
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| H A D | voltage.h | 3 * OMAP Voltage Management Routines
16 #include <linux/platform_data/voltage-omap.h>
32 * struct omap_vfsm_instance - per-voltage manager FSM register/bitfield
47 * struct voltagedomain - omap voltage domain global structure.
48 * @name: Name of the voltage domain which can be used as a unique identifier.
49 * @scalable: Whether or not this voltage domain is scalable
50 * @node: list_head linking all voltage domains
57 * @scale: function used to scale the voltage of the voltagedomain
58 * @nominal_volt: current nominal voltage for this voltage domain
59 * @volt_data: voltage table having the distinct voltages supported
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| /linux/Documentation/hwmon/ |
| H A D | ina209.rst | 24 The TI / Burr-Brown INA209 monitors voltage, current, and power on the high side
40 in0_input shunt voltage (mV)
41 in0_input_highest shunt voltage historical maximum reading (mV)
42 in0_input_lowest shunt voltage historical minimum reading (mV)
43 in0_reset_history reset shunt voltage history
44 in0_max shunt voltage max alarm limit (mV)
45 in0_min shunt voltage min alarm limit (mV)
46 in0_crit_max shunt voltage crit max alarm limit (mV)
47 in0_crit_min shunt voltage crit min alarm limit (mV)
48 in0_max_alarm shunt voltage max alarm limit exceeded
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| H A D | isl68137.rst | 407 digital multiphase voltage regulators (raa_dmpvr2). The ISL68137 is a digital
411 and 'hv' for high voltage single-rail devices. Consult the individual datasheets
425 For 2nd generation Renesas digital multiphase voltage regulators, only the
445 in1_input Measured input voltage
446 in1_lcrit Critical minimum input voltage
447 in1_lcrit_alarm Input voltage critical low alarm
448 in1_crit Critical maximum input voltage
449 in1_crit_alarm Input voltage critical high alarm
452 in[2-3]_input Measured output voltage
453 in[2-3]_lcrit Critical minimum output voltage
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| H A D | max20751.rst | 50 in1_input Measured voltage.
51 in1_min Minimum input voltage.
52 in1_max Maximum input voltage.
53 in1_lcrit Critical minimum input voltage.
54 in1_crit Critical maximum input voltage.
55 in1_min_alarm Input voltage low alarm.
56 in1_lcrit_alarm Input voltage critical low alarm.
57 in1_min_alarm Input voltage low alarm.
58 in1_max_alarm Input voltage high alarm.
61 in2_input Measured voltage.
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| H A D | smsc47m192.rst | 35 These chips support 3 temperature channels and 8 voltage inputs
36 as well as CPU voltage VID input.
44 Voltages are scaled such that the nominal voltage corresponds to
46 each voltage channel is 0V ... 255/192*(nominal voltage), the resolution
47 is 1 bit per (nominal voltage)/192.
48 Both voltage and temperature values are scaled by 1000, the sys files
51 The +12V analog voltage input channel (in4_input) is multiplexed with
52 bit 4 of the encoded CPU voltage. This means that you either get
53 a +12V voltage measurement or a 5 bit CPU VID, but not both.
59 The temperature and voltage readings are updated once every 1.5 seconds.
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| H A D | lt7182s.rst | 57 in[1-2]_input Measured input voltage
58 in[1-2]_highest Highest measured input voltage
59 in[1-2]_crit Critical maximum input voltage
60 in[1-2]_crit_alarm Input voltage critical high alarm
61 in[1-2]_min Minimum input voltage
62 in[1-2]_min_alarm Input voltage low alarm
63 in[1-2]_rated_min Rated minimum input voltage
64 in[1-2]_rated_max Rated maximum input voltage
68 in[3-5]_input Measured voltage on ITH1/ITH2/EXTVCC pins
73 in[3-4|6-7]_input Measured output voltage
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| H A D | ir35221.rst | 54 in1_input Measured input voltage
55 in1_crit Critical maximum input voltage
56 in1_crit_alarm Input voltage critical high alarm
57 in1_highest Highest input voltage
58 in1_lowest Lowest input voltage
59 in1_min Minimum input voltage
60 in1_min_alarm Input voltage low alarm
63 in[2-3]_input Measured output voltage
64 in[2-3]_lcrit Critical minimum output voltage
65 in[2-3]_lcrit_alarm Output voltage critical low alarm
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| H A D | ir38064.rst | 45 IR38x6x are a Single-input Voltage, Synchronous Buck Regulator, DC-DC Converter.
65 in1_input Measured input voltage
66 in1_crit Critical maximum input voltage
67 in1_crit_alarm Input voltage critical high alarm
68 in1_min Minimum input voltage
69 in1_min_alarm Input voltage low alarm
72 in2_input Measured output voltage
73 in2_lcrit Critical minimum output voltage
74 in2_lcrit_alarm Output voltage critical low alarm
75 in2_crit Critical maximum output voltage
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| H A D | ucd9200.rst | 62 in1_input Measured voltage. From READ_VIN register.
63 in1_min Minimum Voltage. From VIN_UV_WARN_LIMIT register.
64 in1_max Maximum voltage. From VIN_OV_WARN_LIMIT register.
65 in1_lcrit Critical minimum Voltage. VIN_UV_FAULT_LIMIT register.
66 in1_crit Critical maximum voltage. From VIN_OV_FAULT_LIMIT
68 in1_min_alarm Voltage low alarm. From VIN_UV_WARNING status.
69 in1_max_alarm Voltage high alarm. From VIN_OV_WARNING status.
70 in1_lcrit_alarm Voltage critical low alarm. From VIN_UV_FAULT status.
71 in1_crit_alarm Voltage critical high alarm. From VIN_OV_FAULT status.
74 in[2-5]_input Measured voltage. From READ_VOUT register.
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| H A D | asus_wmi_sensors.rst | 35 * CPU Core Voltage,
36 * CPU SOC Voltage,
37 * DRAM Voltage,
38 * VDDP Voltage,
39 * 1.8V PLL Voltage,
40 * +12V Voltage,
41 * +5V Voltage,
42 * 3VSB Voltage,
43 * VBAT Voltage,
44 * AVCC3 Voltage,
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| H A D | lm25066.rst | 99 in1_input Measured input voltage.
100 in1_average Average measured input voltage.
101 in1_min Minimum input voltage.
102 in1_max Maximum input voltage.
103 in1_min_alarm Input voltage low alarm.
104 in1_max_alarm Input voltage high alarm.
107 in2_input Measured voltage on VAUX pin
108 in2_min Minimum VAUX voltage (LM25056 only).
109 in2_max Maximum VAUX voltage (LM25056 only).
110 in2_min_alarm VAUX voltage low alarm (LM25056 only).
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| H A D | stpddc60.rst | 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
40 when the commanded output voltage changes. Also, care should be taken when
41 writing to those limits since in the worst case the commanded output voltage
60 in1_input Measured input voltage.
61 in1_lcrit Critical minimum input voltage.
62 in1_crit Critical maximum input voltage.
63 in1_lcrit_alarm Input voltage critical low alarm.
64 in1_crit_alarm Input voltage critical high alarm.
67 in2_input Measured output voltage.
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| /linux/Documentation/devicetree/bindings/power/ |
| H A D | rockchip-io-domain.yaml | 7 title: Rockchip SRAM for IO Voltage Domains
23 General Register File (GRF) in sync with the actual value of a voltage
27 any logic for deciding what voltage we should set regulators to
33 driver. When that other software adjusted a regulators voltage then
42 to report their voltage. The IO Voltage Domain for any non-specified
48 - rockchip,px30-io-voltage-domain
49 - rockchip,px30-pmu-io-voltage-domain
50 - rockchip,rk3188-io-voltage-domain
51 - rockchip,rk3228-io-voltage-domain
52 - rockchip,rk3288-io-voltage-domain
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| /linux/Documentation/devicetree/bindings/regulator/ |
| H A D | maxim,max8997.yaml | 13 The Maxim MAX8997 is a Power Management IC which includes voltage and current
33 max8997,pmic-buck1-dvs-voltage:
38 A set of 8 voltage values in micro-volt (uV) units for buck1 when
39 changing voltage using GPIO DVS.
41 specified, the max8997,pmic-buck[1/2/5]-dvs-voltage property should
42 specify at least one voltage level (which would be a safe operating
43 voltage).
45 max8997,pmic-buck2-dvs-voltage:
50 A set of 8 voltage values in micro-volt (uV) units for buck2 when
51 changing voltage using GPIO DVS.
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| H A D | pwm-regulator.yaml | 17 Voltage Table:
18 When in this mode, a voltage table (See below) of predefined voltage <=>
22 voltage selection are ignored and rendered useless. Although more control
23 is given to the user if the assumptions made in continuous-voltage mode do
26 Continuous Voltage:
30 solution when compared with voltage-table mode above. This solution does
32 voltage to run at half way between the supplied max_uV and min_uV values.
34 If voltage-table is provided, then the device will be used in Voltage Table
35 Mode. If no voltage-table is provided, then the device will be used in
36 Continuous Voltage Mode.
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| /linux/Documentation/devicetree/bindings/iio/afe/ |
| H A D | voltage-divider.yaml | 4 $id: http://devicetree.org/schemas/iio/afe/voltage-divider.yaml#
7 title: Voltage divider
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
35 const: voltage-divider
40 Channel node of a voltage io-channel.
44 In addition to consuming the measurement services of a voltage
45 output channel, the voltage divider can act as a provider of
48 such as a voltage divider, and then consuming its raw value
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| /linux/drivers/iio/adc/ |
| H A D | qcom-vadc-common.c | 16 * @y: Represent the physical data which can be temperature, voltage,
24 /* Voltage to temperature */
63 * Voltage to temperature table for 100k pull up for NTCG104EF104 with
413 s64 voltage = 0, result = 0; in qcom_vadc_scale_volt() local
415 qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage); in qcom_vadc_scale_volt()
417 voltage *= prescale->denominator; in qcom_vadc_scale_volt()
418 result = div64_s64(voltage, prescale->numerator); in qcom_vadc_scale_volt()
429 s64 voltage = 0; in qcom_vadc_scale_therm() local
432 qcom_vadc_scale_calib(calib_graph, adc_code, absolute, &voltage); in qcom_vadc_scale_therm()
435 voltage = div64_s64(voltage, 1000); in qcom_vadc_scale_therm()
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| /linux/drivers/hwmon/ |
| H A D | intel-m10-bmc-hwmon.c | 50 { 0x128, 0x0, 0x0, 0x0, 0x0, 1, "QSFP0 Supply Voltage" },
51 { 0x138, 0x0, 0x0, 0x0, 0x0, 1, "QSFP1 Supply Voltage" },
52 { 0x13c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Voltage" },
53 { 0x144, 0x0, 0x0, 0x0, 0x0, 1, "12V Backplane Voltage" },
54 { 0x14c, 0x0, 0x0, 0x0, 0x0, 1, "1.2V Voltage" },
55 { 0x150, 0x0, 0x0, 0x0, 0x0, 1, "12V AUX Voltage" },
56 { 0x158, 0x0, 0x0, 0x0, 0x0, 1, "1.8V Voltage" },
57 { 0x15c, 0x0, 0x0, 0x0, 0x0, 1, "3.3V Voltage" },
123 { 0x184, 0x0, 0x0, 0x0, 0x0, 1, "QSFP0 Supply Voltage" },
124 { 0x194, 0x0, 0x0, 0x0, 0x0, 1, "QSFP1 Supply Voltage" },
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| H A D | ltc4245.c | 61 /* Voltage registers */
109 /* Read the GPIO voltage from the GPIOADC register */ in ltc4245_update_gpios()
148 /* Read voltage registers -- 0x10 to 0x1c */ in ltc4245_update_device()
169 /* Return the voltage from the given register in millivolts */
174 u32 voltage = 0; in ltc4245_get_voltage() local
179 voltage = regval * 55; in ltc4245_get_voltage()
183 voltage = regval * 22; in ltc4245_get_voltage()
187 voltage = regval * 15; in ltc4245_get_voltage()
191 voltage = regval * -55; in ltc4245_get_voltage()
194 voltage = regval * 10; in ltc4245_get_voltage()
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| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | richtek,rt9455.yaml | 32 percent of the output charge current. When the current in constant-voltage phase drops
35 richtek,battery-regulation-voltage:
37 description: maximum battery voltage in uV.
39 richtek,boost-output-voltage:
42 maximum voltage provided to consumer devices, when the charger is in boost mode, in uV.
44 richtek,min-input-voltage-regulation:
47 input voltage level in uV, used to decrease voltage level when the over current of the
48 input power source occurs. This prevents input voltage drop due to insufficient
63 - richtek,battery-regulation-voltage
64 - richtek,boost-output-voltage
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| H A D | bq25890.yaml | 34 ti,battery-regulation-voltage:
36 description: maximum charging voltage (in uV)
45 charge will be terminated when current in constant-voltage phase
52 ti,minimum-sys-voltage:
55 when battery is charging and it is below minimum system voltage,
56 the system will be regulated above minimum-sys-voltage setting (in uV)
58 ti,boost-voltage:
60 description: VBUS voltage level in boost mode (in uV)
86 description: max. charging voltage adjustment due to expected voltage drop on in-series resistor
92 - ti,battery-regulation-voltage
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| /linux/Documentation/power/regulator/ |
| H A D | overview.rst | 2 Linux voltage and current regulator framework
9 voltage and current regulators.
12 in order to save power and prolong battery life. This applies to both voltage
13 regulators (where voltage output is controllable) and current sinks (where
29 some can control their output voltage and or current.
31 Input Voltage -> Regulator -> Output Voltage
43 Static: consumer does not change its supply voltage or
45 power supply. Its supply voltage is set by the hardware,
48 Dynamic: consumer needs to change its supply voltage or
100 - voltage output is in the range 800mV -> 3500mV.
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