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