71 lines
1.7 KiB
YAML
71 lines
1.7 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/adc/ti,lmp92064.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments LMP92064 Precision Current and Voltage Sensor.
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maintainers:
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- Leonard Göhrs <l.goehrs@pengutronix.de>
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description: |
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The LMP92064 is a two channel ADC intended for combined voltage and current
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measurements.
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The device contains two ADCs to allow simultaneous sampling of voltage and
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current and thus of instantaneous power consumption.
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properties:
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compatible:
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enum:
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- ti,lmp92064
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reg:
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maxItems: 1
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vdd-supply:
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description: Regulator that provides power to the main part of the chip
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vdig-supply:
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description: |
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Regulator that provides power to the digital I/O part of the chip
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shunt-resistor-micro-ohms:
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description: |
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Value of the shunt resistor (in µΩ) connected between INCP and INCN,
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across which current is measured. Used to provide correct scaling of the
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raw ADC measurement.
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reset-gpios:
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maxItems: 1
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required:
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- compatible
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- reg
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- shunt-resistor-micro-ohms
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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adc@0 {
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compatible = "ti,lmp92064";
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reg = <0>;
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vdd-supply = <&vdd>;
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vdig-supply = <&vdd>;
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spi-max-frequency = <20000000>;
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shunt-resistor-micro-ohms = <15000>;
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reset-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
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};
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};
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...
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