| # 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 |
| |
| spi-max-frequency: true |
| |
| required: |
| - compatible |
| - reg |
| - vdd-supply |
| - vref-supply |
| |
| additionalProperties: 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>; |
| }; |
| }; |