Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright 2020 Alexandru Lazar
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/iio/adc/maxim,max1241.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Maxim MAX1241 12-bit, single-channel analog to digital converter
   9
  10 maintainers:
  11   - Alexandru Lazar <alazar@startmail.com>
  12
  13 description: |
  14   Bindings for the max1241 12-bit, single-channel ADC device. Datasheet
  15   can be found at:
  16     https://datasheets.maximintegrated.com/en/ds/MAX1240-MAX1241.pdf
  17
  18 properties:
  19   compatible:
  20     enum:
  21       - maxim,max1241
  22
  23   reg:
  24     maxItems: 1
  25
  26   vdd-supply:
  27     description:
  28       Device tree identifier of the regulator that powers the ADC.
  29
  30   vref-supply:
  31     description:
  32       Device tree identifier of the regulator that provides the external
  33       reference voltage.
  34
  35   shutdown-gpios:
  36     description:
  37       GPIO spec for the GPIO pin connected to the ADC's /SHDN pin. If
  38       specified, the /SHDN pin will be asserted between conversions,
  39       thus enabling power-down mode.
  40     maxItems: 1
  41
  42   spi-max-frequency: true
  43
  44 required:
  45   - compatible
  46   - reg
  47   - vdd-supply
  48   - vref-supply
  49
  50 additionalProperties: false
  51
  52 examples:
  53   - |
  54     #include <dt-bindings/gpio/gpio.h>
  55     spi {
  56       #address-cells = <1>;
  57       #size-cells = <0>;
  58
  59         adc@0 {
  60             compatible = "maxim,max1241";
  61             reg = <0>;
  62             vdd-supply = <&adc_vdd>;
  63             vref-supply = <&adc_vref>;
  64             spi-max-frequency = <1000000>;
  65             shutdown-gpios = <&gpio 26 1>;
  66         };
  67     };