1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/maxim,max1027.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Maxim MAX1027 and similar ADCs
8
9 maintainers:
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Philippe Reynes <tremyfr@yahoo.fr>
12
13 description: |
14 300ks/s SPI ADCs with temperature sensors.
15
16 properties:
17 compatible:
18 enum:
19 # 10-bit 8 channels
20 - maxim,max1027
21 # 10-bit 12 channels
22 - maxim,max1029
23 # 10-bit 16 channels
24 - maxim,max1031
25 # 12-bit 8 channels
26 - maxim,max1227
27 # 12-bit 12 channels
28 - maxim,max1229
29 # 12-bit 16 channels
30 - maxim,max1231
31
32 reg:
33 maxItems: 1
34
35 interrupts:
36 maxItems: 1
37
38 spi-max-frequency:
39 maximum: 10000000
40
41 "#io-channel-cells":
42 const: 1
43
44 required:
45 - compatible
46 - reg
47
48 allOf:
49 - $ref: /schemas/spi/spi-peripheral-props.yaml#
50
51 unevaluatedProperties: false
52
53 examples:
54 - |
55 #include <dt-bindings/interrupt-controller/irq.h>
56 spi {
57 #address-cells = <1>;
58 #size-cells = <0>;
59 maxadc: adc@0 {
60 compatible = "maxim,max1027";
61 reg = <0>;
62 #io-channel-cells = <1>;
63 interrupt-parent = <&gpio5>;
64 interrupts = <15 IRQ_TYPE_EDGE_RISING>;
65 spi-max-frequency = <1000000>;
66 };
67 };
68 ...
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