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/freebsd/sys/contrib/device-tree/Bindings/regulator/
H A Dvctrl.txt7 - regulator-min-microvolt : smallest voltage consumers may set
8 - regulator-max-microvolt : largest voltage consumers may set
9 - ctrl-supply : The regulator supplying the control voltage.
10 - ctrl-voltage-range : an array of two integer values describing the range
11 (min/max) of the control voltage. The values specify
12 the control voltage needed to generate the corresponding
13 regulator-min/max-microvolt output voltage.
20 actual output voltage deviates beyond a certain
22 voltage. On larger voltage decrease
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H A Dmax8997-regulator.txt3 The Maxim MAX8997 is a multi-function device which includes voltage and
13 - max8997,pmic-buck1-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
14 units for buck1 when changing voltage using gpio dvs. Refer to [1] below
17 - max8997,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
18 units for buck2 when changing voltage using gpio dvs. Refer to [1] below
21 - max8997,pmic-buck5-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
22 units for buck5 when changing voltage using gpio dvs. Refer to [1] below
26 property is specified, the 'max8997,pmic-buck[1/2/5]-dvs-voltage'
27 property should specify atleast one voltage level (which would be a
28 safe operating voltage).
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H A Dsamsung,s5m8767.txt16 - s5m8767,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
17 units for buck2 when changing voltage using gpio dvs. Refer to [1] below
20 - s5m8767,pmic-buck3-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
21 units for buck3 when changing voltage using gpio dvs. Refer to [1] below
24 - s5m8767,pmic-buck4-dvs-voltage: A set of 8 voltage values in micro-volt (uV)
25 units for buck4 when changing voltage using gpio dvs. Refer to [1] below
32 property is specified, the 's5m8767,pmic-buck[2/3/4]-dvs-voltage'
33 property should specify atleast one voltage level (which would be a
34 safe operating voltage).
37 property is specified, then all the eight voltage values for the
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H A Dnvidia,tegra-regulators-coupling.txt4 NVIDIA Tegra SoC's have a mandatory voltage-coupling between regulators.
8 Tegra20 voltage coupling
13 and they both shall be higher than the CPU voltage by at least 120mV.
15 Tegra30 voltage coupling
20 voltage shall be higher than the CPU by N mV, where N depends on the CPU
21 voltage.
25 as the "Core domain" voltage regulator.
27 as the "RTC domain" voltage regulator.
29 as the "CPU domain" voltage regulator.
H A Dltc3676.txt14 the resistor values of their external feedback voltage dividers:
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
18 values R1 and R2 of the feedback voltage divider in ohms.
21 412.5mV to 800mV in 12.5 mV steps. The output voltage thus ranges between
39 lltc,fb-voltage-divider = <127000 200000>;
48 lltc,fb-voltage-divider = <301000 200000>;
57 lltc,fb-voltage-divider = <127000 200000>;
66 lltc,fb-voltage-divider = <221000 200000>;
75 lltc,fb-voltage-divider = <487000 200000>;
89 lltc,fb-voltage-divider = <634000 200000>;
H A Dpwm-regulator.txt6 Voltage Table: When in this mode, a voltage table (See below) of
7 predefined voltage <=> duty-cycle values must be
11 allow finer grained voltage selection are ignored and
13 the user if the assumptions made in continuous-voltage
21 voltage-table mode above. This solution does make an
23 regulator voltage to run at half way between the
33 - voltage-table: Voltage and Duty-Cycle table consisting of 2 cells
34 First cell is voltage in microvolts (uV)
49 NB: To be clear, if voltage-table is provided, then the device will be used
50 in Voltage Table Mode. If no voltage-table is provided, then the device will
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H A Dltc3589.txt14 the resistor values of their external feedback voltage dividers:
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
18 values R1 and R2 of the feedback voltage divider in ohms.
21 0.3625 V to 0.75 V in 12.5 mV steps. The output voltage thus ranges between
39 lltc,fb-voltage-divider = <100000 158000>;
48 lltc,fb-voltage-divider = <180000 191000>;
57 lltc,fb-voltage-divider = <270000 100000>;
66 lltc,fb-voltage-divider = <511000 158000>;
74 lltc,fb-voltage-divider = <100000 158000>;
82 lltc,fb-voltage-divider = <180000 191000>;
H A Dfan53555.txt9 - fcs,suspend-voltage-selector: declare which of the two available
10 voltage selector registers should be used for the suspend
11 voltage. The other one is used for the runtime voltage setting
23 fcs,suspend-voltage-selector = <1>;
/freebsd/sys/contrib/device-tree/src/arm64/qcom/
H A Dmsm8994-smd-rpm.dtsi103 qcom,init-voltage = <1800000>;
109 qcom,init-voltage = <1200000>;
115 qcom,init-voltage = <1800000>;
125 qcom,init-voltage = <2950000>;
132 qcom,init-voltage = <1200000>;
142 qcom,init-voltage = <1800000>;
149 qcom,init-voltage = <2700000>;
156 qcom,init-voltage = <2700000>;
164 qcom,init-voltage = <3000000>;
171 qcom,init-voltage = <1800000>;
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/freebsd/sys/contrib/device-tree/Bindings/iio/afe/
H A Dvoltage-divider.txt4 When an io-channel measures the midpoint of a voltage divider, the
5 interesting voltage is often the voltage over the full resistance
6 of the divider. This binding describes the voltage divider in such
24 - compatible : "voltage-divider"
25 - io-channels : Channel node of a voltage io-channel measuring Vout.
26 - output-ohms : Resistance Rout over which the output voltage is measured.
32 The system voltage is circa 12V, but divided down with a 22/222
33 voltage divider (R = 200 Ohms, Rout = 22 Ohms) and fed to an ADC.
36 compatible = "voltage-divider";
39 /* Scale the system voltage by 22/222 to fit the ADC range. */
/freebsd/sys/contrib/device-tree/Bindings/power/supply/
H A Drt9455_charger.txt12 When the current in constant-voltage phase drops
15 - richtek,battery-regulation-voltage: integer, maximum battery voltage in uV.
16 - richtek,boost-output-voltage: integer, maximum voltage provided to consumer
20 - richtek,min-input-voltage-regulation: integer, input voltage level in uV, used to
21 decrease voltage level when the over current
23 This prevents input voltage drop due to insufficient
41 richtek,battery-regulation-voltage = <4200000>;
42 richtek,boost-output-voltage = <5050000>;
44 richtek,min-input-voltage-regulation = <4500000>;
H A Dbq25890.txt14 - ti,battery-regulation-voltage: integer, maximum charging voltage (in uV);
17 constant-voltage phase drops below this value (in uA);
20 - ti,minimum-sys-voltage: integer, when battery is charging and it is below
21 minimum system voltage, the system will be regulated above
22 minimum-sys-voltage setting (in uV);
23 - ti,boost-voltage: integer, VBUS voltage level in boost mode (in uV);
38 - ti,ibatcomp-clamp-microvolt: integer, maximum charging voltage adjustment due
39 to expected voltage drop on in-series resistor;
50 ti,battery-regulation-voltage = <4200000>;
54 ti,minimum-sys-voltage = <3600000>;
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H A Dbq24257.txt11 - ti,battery-regulation-voltage: integer, maximum charging voltage in uV.
14 constant-voltage phase drops below this value (in uA).
27 - ti,ovp-voltage: Configures the over voltage protection voltage (in uV). If
29 - ti,in-dpm-voltage: Configures the threshold input voltage for the dynamic
43 ti,battery-regulation-voltage = <4200000>;
56 ti,battery-regulation-voltage = <4200000>;
60 ti,ovp-voltage = <9500000>;
61 ti,in-dpm-voltage = <4440000>;
H A Dbq2415x.txt20 - ti,weak-battery-voltage: integer, weak battery voltage threshold in mV.
21 The chip will use slow precharge if battery voltage
23 - ti,battery-regulation-voltage: integer, maximum charging voltage in mV.
26 constant-voltage phase drops below this value (in mA).
40 ti,weak-battery-voltage = <3400>;
41 ti,battery-regulation-voltage = <4200>;
H A Dqcom_smbb.txt48 - qcom,fast-charge-low-threshold-voltage:
51 Description: Battery voltage limit above which fast charging may operate;
55 - qcom,fast-charge-high-threshold-voltage:
58 Description: Battery voltage limit below which fast charging may operate;
60 voltage. May be clamped to safety limits.
62 - qcom,fast-charge-safe-voltage:
65 Description: Maximum safe battery voltage; May be pre-set by bootloader, in
76 - qcom,auto-recharge-threshold-voltage:
79 Description: Battery voltage limit below which auto-recharge functionality
83 - qcom,minimum-input-voltage:
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H A Dingenic,battery.txt13 - voltage-min-design-microvolt: Drained battery voltage.
14 - voltage-max-design-microvolt: Fully charged battery voltage.
22 voltage-min-design-microvolt = <3600000>;
23 voltage-max-design-microvolt = <4200000>;
/freebsd/sys/contrib/device-tree/src/arm/nxp/mxs/
H A Dimx28.dtsi223 fsl,voltage = <MXS_VOLTAGE_HIGH>;
234 fsl,voltage = <MXS_VOLTAGE_HIGH>;
247 fsl,voltage = <MXS_VOLTAGE_HIGH>;
271 fsl,voltage = <MXS_VOLTAGE_HIGH>;
294 fsl,voltage = <MXS_VOLTAGE_HIGH>;
305 fsl,voltage = <MXS_VOLTAGE_HIGH>;
318 fsl,voltage = <MXS_VOLTAGE_HIGH>;
329 fsl,voltage = <MXS_VOLTAGE_HIGH>;
340 fsl,voltage = <MXS_VOLTAGE_HIGH>;
351 fsl,voltage = <MXS_VOLTAGE_HIGH>;
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/freebsd/sys/contrib/device-tree/Bindings/iio/dac/
H A Dad5758.txt14 voltage and dynamically regulates the supply voltage,
16 headroom voltage for the output buffer.
19 In this mode, the VDPC+ voltage is user-programmable to
24 current or voltage output at the VIOUT pin. Only one mode
29 * 2: DPC voltage mode
32 Depending on the selected output mode (voltage or current) one of the
37 The array of voltage output ranges must contain two fields:
38 * <0 5000000>: 0 V to 5 V voltage range
39 * <0 10000000>: 0 V to 10 V voltage range
40 * <(-5000000) 5000000>: ±5 V voltage range
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H A Dmcp4725.txt7 voltage reference on mcp4725. It is used as a voltage reference on
12 used as a voltage reference when this supply is specified.
15 the datasheet: This is offered in cases where the reference voltage
16 does not have the current capability not to drop its voltage when
28 /* mcp4726 with the buffered external reference voltage */
H A Ddpot-dac.txt3 It is assumed that the dpot is used as a voltage divider between the
5 divided voltage is provided by a vref regulator.
16 | '---' dac output voltage
22 - vref-supply: The regulator supplying the voltage divider.
23 - io-channels: Channel node of the dpot to be used for the voltage division.
/freebsd/sys/contrib/device-tree/Bindings/power/
H A Drockchip-io-domain.txt14 general register file (GRF) in sync with the actual value of a voltage
18 - any logic for deciding what voltage we should set regulators to
24 driver. When that other software adjusted a regulator's voltage then
34 - "rockchip,px30-io-voltage-domain" for px30
35 - "rockchip,px30-pmu-io-voltage-domain" for px30 pmu-domains
36 - "rockchip,rk3188-io-voltage-domain" for rk3188
37 - "rockchip,rk3228-io-voltage-domain" for rk3228
38 - "rockchip,rk3288-io-voltage-domain" for rk3288
39 - "rockchip,rk3328-io-voltage-domain" for rk3328
40 - "rockchip,rk3368-io-voltage-domain" for rk3368
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/freebsd/sys/contrib/device-tree/Bindings/sound/
H A Dnau8824.txt19 - nuvoton,micbias-voltage: Micbias voltage level.
32 …here MICBIAS is configured by 'nuvoton,micbias-voltage', SAR_VOLTAGE is configured by 'nuvoton,sar…
37 - nuvoton,sar-voltage: Reference voltage for button impedance measurement.
78 nuvoton,micbias-voltage = <6>;
83 nuvoton,sar-voltage = <6>;
/freebsd/sys/contrib/device-tree/Bindings/mfd/
H A Dmax8998.txt3 The Maxim MAX8998 is a multi-function device which includes voltage/current
11 The PMIC sub-block contains a number of voltage and current regulators,
12 with controllable parameters and dynamic voltage scaling capability.
32 - max8998,pmic-buck1-default-dvs-idx: Default voltage setting selected from
36 - max8998,pmic-buck2-default-dvs-idx: Default voltage setting selected from
40 - max8998,pmic-buck-voltage-lock: If present, disallows changing of
44 - max8998,pmic-buck1-dvs-voltage: An array of 4 voltage values in microvolts
48 - max8998,pmic-buck2-dvs-voltage: An array of 2 voltage values in microvolts
71 voltage type regulator
94 max8998,pmic-buck1-dvs-voltage = <1350000>, <1300000>,
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/freebsd/sys/contrib/device-tree/src/arm/microchip/
H A Dat91-natte.dtsi72 ti,charge-voltage = <16800>;
88 ti,charge-voltage = <16800>;
104 ti,charge-voltage = <16800>;
120 ti,charge-voltage = <16800>;
136 ti,charge-voltage = <16800>;
152 ti,charge-voltage = <16800>;
168 ti,charge-voltage = <16800>;
184 ti,charge-voltage = <16800>;
/freebsd/sys/contrib/device-tree/Bindings/clock/
H A Dnvidia,tegra124-dfll.txt7 the fast CPU cluster. It consists of a free-running voltage controlled
8 oscillator connected to the CPU voltage rail (VDD_CPU), and a closed loop
9 control module that will automatically adjust the VDD_CPU voltage by
20 - look-up table RAM for voltage register values.
34 - vdd-cpu-supply: Regulator for the CPU voltage rail that the DFLL
57 - nvidia,pwm-tristate-microvolts: Regulator voltage in micro volts when PWM
58 control is disabled and the PWM output is tristated. Note that this voltage is
60 - nvidia,pwm-min-microvolts: Regulator voltage in micro volts when PWM control
61 is enabled and PWM output is low. Hence, this is the minimum output voltage
63 - nvidia,pwm-voltage-step-microvolts: Voltage increase in micro volts
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