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dt-bindings:iio:filter: add admv8818 doc
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Add device tree bindings for the ADMV8818 Filter.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Antoniu Miclaus authored and Jonathan Cameron committed Dec 16, 2021
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66 changes: 66 additions & 0 deletions Documentation/devicetree/bindings/iio/filter/adi,admv8818.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/filter/adi,admv8818.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ADMV8818 Digitally Tunable, High-Pass and Low-Pass Filter

maintainers:
- Antoniu Miclaus <antoniu.miclaus@analog.com>

description: |
Fully monolithic microwave integrated circuit (MMIC) that
features a digitally selectable frequency of operation.
The device features four independently controlled high-pass
filters (HPFs) and four independently controlled low-pass filters
(LPFs) that span the 2 GHz to 18 GHz frequency range.
https://www.analog.com/en/products/admv8818.html
properties:
compatible:
enum:
- adi,admv8818

reg:
maxItems: 1

spi-max-frequency:
maximum: 10000000

clocks:
description:
Definition of the external clock.
minItems: 1

clock-names:
items:
- const: rf_in

clock-output-names:
maxItems: 1

'#clock-cells':
const: 0

required:
- compatible
- reg

additionalProperties: false

examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
admv8818@0 {
compatible = "adi,admv8818";
reg = <0>;
spi-max-frequency = <10000000>;
clocks = <&admv8818_rfin>;
clock-names = "rf_in";
};
};
...

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