1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2020 Alexandru Lazar
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/iio/adc/maxim,max1241.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Maxim MAX1241 12-bit, single-channel analog to digital converter
9
10 maintainers:
11 - Alexandru Lazar <alazar@startmail.com>
12
13 description: |
14 Bindings for the max1241 12-bit, single-channel ADC device. Datasheet
15 can be found at:
16 https://datasheets.maximintegrated.com/en/ds/MAX1240-MAX1241.pdf
17
18 properties:
19 compatible:
20 enum:
21 - maxim,max1241
22
23 reg:
24 maxItems: 1
25
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 external
33 reference voltage.
34
35 shutdown-gpios:
36 description:
37 GPIO spec for the GPIO pin connected to the ADC's /SHDN pin. If
38 specified, the /SHDN pin will be asserted between conversions,
39 thus enabling power-down mode.
40 maxItems: 1
41
42 spi-max-frequency: true
43
44 required:
45 - compatible
46 - reg
47 - vdd-supply
48 - vref-supply
49
50 additionalProperties: false
51
52 examples:
53 - |
54 #include <dt-bindings/gpio/gpio.h>
55 spi {
56 #address-cells = <1>;
57 #size-cells = <0>;
58
59 adc@0 {
60 compatible = "maxim,max1241";
61 reg = <0>;
62 vdd-supply = <&adc_vdd>;
63 vref-supply = <&adc_vref>;
64 spi-max-frequency = <1000000>;
65 shutdown-gpios = <&gpio 26 1>;
66 };
67 };
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