Commit c9d8b868 authored by Samuel Holland's avatar Samuel Holland Committed by Jonathan Cameron
Browse files

dt-bindings: iio: adc: ti,adc081c: Document the binding 



Linux has a driver for these ADCs at drivers/iio/adc/ti-adc081c.c, but
the compatible strings were undocumented. Add a binding for them. The
hardware has an alert interrupt output, but existing ti,adc081c users
do not provide the 'interrupts' property, so leave it as optional.

Signed-off-by: default avatarSamuel Holland <samuel@sholland.org>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221125220903.8632-1-samuel@sholland.org


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 866a1389

Documentation/devicetree/bindings/iio/adc/ti,adc081c.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/adc/ti,adc081c.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: TI Single-channel I2C ADCs



maintainers:

  - Jonathan Cameron <jic23@kernel.org>

  - Lars-Peter Clausen <lars@metafoo.de>



description: |

  Single-channel ADC supporting 8, 10, or 12-bit samples and high/low alerts.



properties:

  compatible:

    enum:

      - ti,adc081c

      - ti,adc101c

      - ti,adc121c



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  vref-supply:

    description:

      Regulator for the combined power supply and voltage reference



  "#io-channel-cells":

    const: 1



required:

  - compatible

  - reg

  - vref-supply



additionalProperties: false



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        adc@52 {

            compatible = "ti,adc081c";

            reg = <0x52>;

            vref-supply = <&reg_2p5v>;

        };

    };

...