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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright 2019-2020 Artur Rojek
%YAML 1.2
---
$id: "http://devicetree.org/schemas/iio/adc/ingenic,adc.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Ingenic JZ47xx ADC controller IIO bindings
maintainers:
- Artur Rojek <contact@artur-rojek.eu>
description: >
Industrial I/O subsystem bindings for ADC controller found in
Ingenic JZ47xx SoCs.
ADC clients must use the format described in
https://github.com/devicetree-org/dt-schema/blob/master/schemas/iio/iio-consumer.yaml,
giving a phandle and IIO specifier pair ("io-channels") to the ADC controller.
properties:
compatible:
enum:
- ingenic,jz4725b-adc
- ingenic,jz4740-adc
- ingenic,jz4770-adc
'#io-channel-cells':
const: 1
description:
Must be set to <1> to indicate channels are selected by index.
reg:
maxItems: 1
clocks:
maxItems: 1
clock-names:
items:
- const: adc
interrupts:
maxItems: 1
required:
- compatible
- '#io-channel-cells'
- reg
- clocks
- clock-names
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/jz4740-cgu.h>
#include <dt-bindings/iio/adc/ingenic,adc.h>
adc@10070000 {
compatible = "ingenic,jz4740-adc";
#io-channel-cells = <1>;
reg = <0x10070000 0x30>;
clocks = <&cgu JZ4740_CLK_ADC>;
clock-names = "adc";
interrupt-parent = <&intc>;
interrupts = <18>;
};
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