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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright 2020 Alexandru Lazar
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/adc/maxim,max1241.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Maxim MAX1241 12-bit, single-channel analog to digital converter
maintainers:
- Alexandru Lazar <alazar@startmail.com>
description: |
Bindings for the max1241 12-bit, single-channel ADC device. Datasheet
can be found at:
https://datasheets.maximintegrated.com/en/ds/MAX1240-MAX1241.pdf
properties:
compatible:
enum:
- maxim,max1241
reg:
maxItems: 1
vdd-supply:
description:
Device tree identifier of the regulator that powers the ADC.
vref-supply:
description:
Device tree identifier of the regulator that provides the external
reference voltage.
shutdown-gpios:
description:
GPIO spec for the GPIO pin connected to the ADC's /SHDN pin. If
specified, the /SHDN pin will be asserted between conversions,
thus enabling power-down mode.
maxItems: 1
required:
- compatible
- reg
- vdd-supply
- vref-supply
allOf:
- $ref: /schemas/spi/spi-peripheral-props.yaml#
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
adc@0 {
compatible = "maxim,max1241";
reg = <0>;
vdd-supply = <&adc_vdd>;
vref-supply = <&adc_vref>;
spi-max-frequency = <1000000>;
shutdown-gpios = <&gpio 26 1>;
};
};
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