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: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210901091852.479202-24-maxime@cerno.tech
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Maxime Ripard 2021-09-01 11:18:23 +02:00 committed by Guenter Roeck
parent ada61aa0b1
commit fb4747d89b

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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>;
};