Documentation/devicetree/bindings/iio/temperature/maxim,max31855k.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/temperature/maxim,max31855k.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Maxim MAX31855 and similar thermocouples
   8
   9 maintainers:
  10   - Matt Ranostay <matt.ranostay@konsulko.com>
  11
  12 description: |
  13   https://datasheets.maximintegrated.com/en/ds/MAX6675.pdf
  14   https://datasheets.maximintegrated.com/en/ds/MAX31855.pdf
  15
  16 properties:
  17   compatible:
  18     description:
  19       The generic maxim,max31855 compatible is deprecated in favour of
  20       the thermocouple type specific variants.
  21     enum:
  22       - maxim,max6675
  23       - maxim,max31855
  24       - maxim,max31855k
  25       - maxim,max31855j
  26       - maxim,max31855n
  27       - maxim,max31855s
  28       - maxim,max31855t
  29       - maxim,max31855e
  30       - maxim,max31855r
  31
  32   reg:
  33     maxItems: 1
  34
  35   spi-max-frequency: true
  36   spi-cpha: true
  37
  38 required:
  39   - compatible
  40   - reg
  41
  42 allOf:
  43   - if:
  44       properties:
  45         compatible:
  46           contains:
  47             enum:
  48               - maxim,max6675
  49     then:
  50       required:
  51         - spi-cpha
  52     else:
  53       properties:
  54         spi-cpha: false
  55
  56 additionalProperties: false
  57
  58 examples:
  59   - |
  60     spi {
  61         #address-cells = <1>;
  62         #size-cells = <0>;
  63
  64         temp-sensor@0 {
  65             compatible = "maxim,max31855k";
  66             reg = <0>;
  67             spi-max-frequency = <4300000>;
  68         };
  69         temp-sensor@1 {
  70             compatible = "maxim,max6675";
  71             reg = <1>;
  72             spi-max-frequency = <4300000>;
  73             spi-cpha;
  74         };
  75     };
  76 ...