Commit fb4747d8 authored by Maxime Ripard's avatar Maxime Ripard Committed by Guenter Roeck
Browse files

dt-bindings: hwmon: Add IIO HWMON binding 



Even though we had the iio-hwmon driver for some time and a number of
boards using it already, we never had a binding for it. Let's add it
based on what the driver expects and the boards are providing.

Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: linux-hwmon@vger.kernel.org
Signed-off-by: default avatarMaxime Ripard <maxime@cerno.tech>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210901091852.479202-24-maxime@cerno.tech


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent ada61aa0

Documentation/devicetree/bindings/hwmon/iio-hwmon.yaml

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

%YAML 1.2

---

$id: "http://devicetree.org/schemas/hwmon/iio-hwmon.yaml#"

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



title: ADC-attached Hardware Sensor Device Tree Bindings



maintainers:

  - Jonathan Cameron <jic23@kernel.org>



description: >

  Bindings for hardware monitoring devices connected to ADC controllers

  supporting the Industrial I/O bindings.



properties:

  compatible:

    const: iio-hwmon



  io-channels:

    minItems: 1

    maxItems: 8 # Should be enough

    description: >

      List of phandles to ADC channels to read the monitoring values



required:

  - compatible

  - io-channels



additionalProperties: false



examples:

  - |

      iio-hwmon {

          compatible = "iio-hwmon";

          io-channels = <&adc 1>, <&adc 2>;

      };