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Searched +full:voltage +full:- +full:microvolts (Results 1 – 19 of 19) sorted by relevance

/freebsd/sys/contrib/device-tree/Bindings/clock/
H A Dnvidia,tegra124-dfll.txt4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 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
10 communicating with an off-chip PMIC either via an I2C bus or via PWM signals.
13 - compatible : should be one of:
14 - "nvidia,tegra124-dfll": for Tegra124
15 - "nvidia,tegra210-dfll": for Tegra210
16 - reg : Defines the following set of registers, in the order listed:
17 - registers for the DFLL control logic.
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/freebsd/sys/contrib/device-tree/Bindings/mfd/
H A Dmax8998.txt1 * Maxim MAX8998, National/TI LP3974 multi-function device
3 The Maxim MAX8998 is a multi-function device which includes voltage/current
5 other sub-blocks. It is interfaced using an I2C interface. Each sub-block
8 PMIC sub-block
9 --------------
11 The PMIC sub-block contains a number of voltage and current regulators,
12 with controllable parameters and dynamic voltage scaling capability.
17 - compatible: Should be one of the following:
18 - "maxim,max8998" for Maxim MAX8998
19 - "national,lp3974" or "ti,lp3974" for National/TI LP3974.
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/freebsd/share/man/man4/
H A Dads111x.435 .Bd -ragged -offset indent
42 .Bd -literal -offset indent
58 utility provides access to the voltage measurements made by the device.
60 .Va dev.ads111x.<unit>.<channel>.voltage
64 in microvolts.
75 making either single-ended or differential measurements.
82 the voltage variable for the channel number that corresponds the mux
101 Sysctl variables are used to access the voltage measurements, and to
107 .Bl -tag -width indent
125 Because measurements are always made in single-shot mode, think of
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/freebsd/sys/contrib/device-tree/Bindings/iio/adc/
H A Daspeed,ast2600-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/aspeed,ast2600-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Billy Tsai <billy_tsai@aspeedtech.com>
13 • 10-bits resolution for 16 voltage channels.
14 • The device split into two individual engine and each contains 8 voltage
16 • Channel scanning can be non-continuous.
21 • Built-in a compensating method.
22 • Built-in a register to trim internal reference voltage.
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H A Dadi,ad7949.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Charles-Antoine Couret <charles-antoine.couret@essensium.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7949.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7682_7689.pdf
22 - adi,ad7682
23 - adi,ad7689
24 - adi,ad7949
29 vrefin-supply:
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/freebsd/sys/contrib/device-tree/Bindings/regulator/
H A Dmax8952.txt1 Maxim MAX8952 voltage regulator
4 - compatible: must be equal to "maxim,max8952"
5 - reg: I2C slave address, usually 0x60
6 - max8952,dvs-mode-microvolt: array of 4 integer values defining DVS voltages
7 in microvolts. All values must be from range <770000, 1400000>
8 - any required generic properties defined in regulator.txt
11 - max8952,vid-gpios: array of two GPIO pins used for DVS voltage selection
12 - max8952,en-gpio: GPIO used to control enable status of regulator
13 - max8952,default-mode: index of default DVS voltage, from <0, 3> range
14 - max8952,sync-freq: sync frequency, must be one of following values:
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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
10 Intermediary duty-cycle values which would normally
11 allow finer grained voltage selection are ignored and
13 the user if the assumptions made in continuous-voltage
16 Continuous Voltage: This mode uses the regulator's maximum and minimum
18 regulator-{min,max}-microvolt properties to calculate
19 appropriate duty-cycle values. This allows for a much
21 voltage-table mode above. This solution does make an
22 assumption that a %50 duty-cycle value will cause the
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H A Dpwm-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/pwm-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Brian Norris <briannorris@chromium.org>
11 - Lee Jones <lee@kernel.org>
12 - Alexandre Courbot <acourbot@nvidia.com>
17 Voltage Table:
18 When in this mode, a voltage table (See below) of predefined voltage <=>
19 duty-cycle values must be provided via DT. Limitations are that the
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H A Dmaxim,max8952.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Maxim MAX8952 voltage regulator
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 - $ref: regulator.yaml#
19 max8952,default-mode:
23 index of default DVS voltage
25 max8952,dvs-mode-microvolt:
32 Array of 4 integer values defining DVS voltages in microvolts. All values
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H A Dgpio-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/gpio-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
18 - $ref: regulator.yaml#
22 const: regulator-gpio
24 regulator-name: true
26 enable-gpios:
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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 - Mar
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/freebsd/sys/contrib/device-tree/Bindings/input/
H A Dallwinner,sun4i-a10-lradc-keys.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/input/allwinner,sun4i-a10-lradc-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
16 - const: allwinner,sun4i-a10-lradc-keys
17 - const: allwinner,sun8i-a83t-r-lradc
18 - items:
19 - enum:
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/freebsd/share/man/man9/
H A Dregulator.969 The regulator framework allow drivers to enable, disable and change regulator voltage.
75 .Bl -tag -width indent
98 If the regulator supports a voltage range, the one configured in the hardware will be the output vo…
115 .Bl -tag -width indent
122 Get the current voltage set for the regulator in microvolts.
124 Change the voltage for the regulator.
128 if the regulator doesn't support this voltage range.
130 Checks if the regulator support the given voltage.
133 if the regulator doesn't support this voltage range.
/freebsd/sys/dev/iicbus/adc/
H A Dads111x.c1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
72 * On config write, the operational-state bit starts a measurement, on read it
79 * The default values for config items that are not per-channel. Mostly, this
90 * Per-channel defaults. The chip only has one control register, and we load
91 * per-channel values into it every time we make a measurement on that channel.
93 * values we maintain on a per-channel basis.
99 * Full-scale ranges for each available amplifier setting, in microvolts. The
100 * ADS1x13 chips are fixed-range, the other chips contain a programmable gain
111 #define ADS101x_RANGEDIV ((1 << 15) - 15)
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/freebsd/sys/contrib/device-tree/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:
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H A Dtwl4030-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/twl4030-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 value in explicit configuration in device-tree. Rather if there is a sibling
15 of the BCI node which is compatible with "ti,twl4030-usb", then that is used
19 - Sebastian Reichel <sre@kernel.org>
22 - $ref: power-supply.yaml#
26 const: ti,twl4030-bci
32 ti,bb-uvolt:
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/freebsd/sys/contrib/device-tree/Bindings/usb/
H A Dmsm-hsusb.txt6 - compatible: Should contain "qcom,ehci-host"
7 - regs: offset and length of the register set in the memory map
8 - usb-phy: phandle for the PHY device
13 compatible = "qcom,ehci-host";
15 usb-phy = <&usb_otg>;
21 - compatible: Should contain:
22 "qcom,usb-otg-c
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/freebsd/sys/contrib/device-tree/src/arm64/nvidia/
H A Dtegra210-p2371-2180.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "tegra210-p2180.dtsi"
5 #include "tegra210-p2597.dtsi"
9 compatible = "nvidia,p2371-2180", "nvidia,tegra210";
14 hvddio-pex-supply = <&vdd_1v8>;
15 dvddio-pe
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H A Dtegra210-p3450-0000.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/linux-event-codes.h>
6 #include <dt-binding
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