dts/upstream/Bindings/iio/adc/ti,lmp92064.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/adc/ti,lmp92064.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Texas Instruments LMP92064 Precision Current and Voltage Sensor.
   8
   9 maintainers:
  10   - Leonard Göhrs <[email protected]>
  11
  12 description: |
  13   The LMP92064 is a two channel ADC intended for combined voltage and current
  14   measurements.
  15
  16   The device contains two ADCs to allow simultaneous sampling of voltage and
  17   current and thus of instantaneous power consumption.
  18
  19 properties:
  20   compatible:
  21     enum:
  22       - ti,lmp92064
  23
  24   reg:
  25     maxItems: 1
  26
  27   vdd-supply:
  28     description: Regulator that provides power to the main part of the chip
  29
  30   vdig-supply:
  31     description: |
  32       Regulator that provides power to the digital I/O part of the chip
  33
  34   shunt-resistor-micro-ohms:
  35     description: |
  36       Value of the shunt resistor (in µΩ) connected between INCP and INCN,
  37       across which current is measured. Used to provide correct scaling of the
  38       raw ADC measurement.
  39
  40   reset-gpios:
  41     maxItems: 1
  42
  43 required:
  44   - compatible
  45   - reg
  46   - shunt-resistor-micro-ohms
  47
  48 allOf:
  49   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  50
  51 unevaluatedProperties: false
  52
  53 examples:
  54   - |
  55     #include <dt-bindings/gpio/gpio.h>
  56     spi {
  57         #address-cells = <1>;
  58         #size-cells = <0>;
  59
  60         adc@0 {
  61             compatible = "ti,lmp92064";
  62             reg = <0>;
  63             vdd-supply = <&vdd>;
  64             vdig-supply = <&vdd>;
  65             spi-max-frequency = <20000000>;
  66             shunt-resistor-micro-ohms = <15000>;
  67             reset-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
  68         };
  69     };
  70 ...