Commit e294abc7 authored by Jonathan Cameron's avatar Jonathan Cameron

dt-bindings:iio:adc:adi,ad7949 yaml conversion

Simple SPI driver. I've added the #io-channel-cells
as an optional parameter to allow use of this device as a provider
of ADC capabilities to other devices.
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Cc: Charles-Antoine Couret <charles-antoine.couret@essensium.com>
Link: https://lore.kernel.org/r/20200909175946.395313-15-jic23@kernel.org
parent e13b686b
No related merge requests found
* Analog Devices AD7949/AD7682/AD7689
Required properties:
- compatible: Should be one of
* "adi,ad7949"
* "adi,ad7682"
* "adi,ad7689"
- reg: spi chip select number for the device
- vref-supply: The regulator supply for ADC reference voltage
Example:
adc@0 {
compatible = "adi,ad7949";
reg = <0>;
vref-supply = <&vdd_supply>;
};
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/adi,ad7949.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices AD7949/AD7682/AD7689 analog to digital converters
maintainers:
- Charles-Antoine Couret <charles-antoine.couret@essensium.com>
description: |
Specifications on the converters can be found at:
AD7949:
https://www.analog.com/media/en/technical-documentation/data-sheets/AD7949.pdf
AD7682/AD7698:
https://www.analog.com/media/en/technical-documentation/data-sheets/AD7682_7689.pdf
properties:
compatible:
enum:
- adi,ad7682
- adi,ad7689
- adi,ad7949
reg:
maxItems: 1
vref-supply:
description:
ADC reference voltage supply
spi-max-frequency: true
"#io-channel-cells":
const: 1
required:
- compatible
- reg
- vref-supply
additionalProperties: false
examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
adc@0 {
compatible = "adi,ad7949";
reg = <0>;
vref-supply = <&vdd_supply>;
};
};
...
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