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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)2# Copyright 2020 Alexandru Lazar3%YAML 1.24---5$id: http://devicetree.org/schemas/iio/adc/maxim,max1241.yaml#6$schema: http://devicetree.org/meta-schemas/core.yaml#7 8title: Maxim MAX1241 12-bit, single-channel analog to digital converter9 10maintainers:11 - Alexandru Lazar <alazar@startmail.com>12 13description: |14 Bindings for the max1241 12-bit, single-channel ADC device. Datasheet15 can be found at:16 https://datasheets.maximintegrated.com/en/ds/MAX1240-MAX1241.pdf17 18properties:19 compatible:20 enum:21 - maxim,max124122 23 reg:24 maxItems: 125 26 vdd-supply:27 description:28 Device tree identifier of the regulator that powers the ADC.29 30 vref-supply:31 description:32 Device tree identifier of the regulator that provides the external33 reference voltage.34 35 shutdown-gpios:36 description:37 GPIO spec for the GPIO pin connected to the ADC's /SHDN pin. If38 specified, the /SHDN pin will be asserted between conversions,39 thus enabling power-down mode.40 maxItems: 141 42required:43 - compatible44 - reg45 - vdd-supply46 - vref-supply47 48allOf:49 - $ref: /schemas/spi/spi-peripheral-props.yaml#50 51unevaluatedProperties: false52 53examples:54 - |55 #include <dt-bindings/gpio/gpio.h>56 spi {57 #address-cells = <1>;58 #size-cells = <0>;59 60 adc@0 {61 compatible = "maxim,max1241";62 reg = <0>;63 vdd-supply = <&adc_vdd>;64 vref-supply = <&adc_vref>;65 spi-max-frequency = <1000000>;66 shutdown-gpios = <&gpio 26 1>;67 };68 };69