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