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dt-bindings: iio: dac: ad5624r: Add missing binding document
Simple binding, with optional vref. Note that the Linux driver does support vcc-supply for historical reasons, but lets not let that get into any bindings that are checked going forwards. Hence I have deliberately not documented it. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20210627163244.1090296-10-jic23@kernel.org
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Documentation/devicetree/bindings/iio/dac/adi,ad5624r.yaml
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Documentation/devicetree/bindings/iio/dac/adi,ad5624r.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/dac/adi,ad5624r.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Analog Devices AD5624r and similar DACs
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maintainers:
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- Jonathan Cameron <jic23@kernel.org>
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properties:
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compatible:
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enum:
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- adi,ad5624r3
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- adi,ad5644r3
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- adi,ad5664r3
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- adi,ad5624r5
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- adi,ad5644r5
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- adi,ad5664r5
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reg:
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maxItems: 1
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spi-max-frequency: true
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vref-supply:
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description: If not present, internal reference will be used.
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additionalProperties: false
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required:
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- compatible
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- reg
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examples:
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- |
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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dac@0 {
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reg = <0>;
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compatible = "adi,ad5624r3";
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vref-supply = <&vref>;
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};
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};
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...
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