Documentation/devicetree/bindings/iio/dac/ti,dac082s085.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/dac/ti,dac082s085.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Texas Instruments DAC082s085 and similar DACs
   8
   9 description:
  10   A family of Texas Instruments 8/10/12-bit 2/4-channel DACs
  11
  12 maintainers:
  13   - Lukas Wunner <lukas@wunner.de>
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - ti,dac082s085
  19       - ti,dac102s085
  20       - ti,dac122s085
  21       - ti,dac084s085
  22       - ti,dac104s085
  23       - ti,dac124s085
  24
  25   reg:
  26     maxItems: 1
  27
  28   spi-cpha: true
  29   spi-cpol:
  30     description:
  31       Must be either spi-cpha, or spi-cpol but not both.
  32
  33   vref-supply:
  34     description: Needed to provide output scaling.
  35
  36   spi-max-frequency: true
  37
  38 required:
  39   - compatible
  40   - reg
  41   - vref-supply
  42
  43 additionalProperties: false
  44
  45 oneOf:
  46   - required:
  47       - spi-cpha
  48   - required:
  49       - spi-cpol
  50
  51 examples:
  52   - |
  53     vref_2v5_reg: regulator-vref {
  54         compatible = "regulator-fixed";
  55         regulator-name = "2v5";
  56         regulator-min-microvolt = <2500000>;
  57         regulator-max-microvolt = <2500000>;
  58         regulator-always-on;
  59     };
  60     spi {
  61         #address-cells = <1>;
  62         #size-cells = <0>;
  63
  64         dac@0 {
  65             compatible = "ti,dac082s085";
  66             reg = <0>;
  67             spi-max-frequency = <40000000>;
  68             spi-cpol;
  69             vref-supply = <&vref_2v5_reg>;
  70         };
  71     };
  72 ...