1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/st,stmpe-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: ADC on an STMPE multifunction device.
8
9 maintainers:
10 - Stefan Agner <stefan@agner.ch>
11
12 description:
13 This ADC forms part of an ST microelectronics STMPE multifunction device .
14 The ADC is shared with the STMPE touchscreen. As a result some ADC related
15 settings are specified in the parent node.
16 The node name myst be stmpe_adc and should be a child node of the stmpe node
17 to which it belongs.
18
19 properties:
20 compatible:
21 const: st,stmpe-adc
22
23 st,norequest-mask:
24 $ref: /schemas/types.yaml#/definitions/uint32
25 description:
26 Bitmask specifying which ADC channels should _not_ be
27 requestable due to different usage (e.g. touch).
28
29 "#io-channel-cells":
30 const: 1
31
32 required:
33 - compatible
34
35 additionalProperties: false
36
37 examples:
38 - |
39 stmpe {
40 stmpe_adc {
41 compatible = "st,stmpe-adc";
42 st,norequest-mask = <0x0F>; /* dont use ADC CH3-0 */
43 };
44 };
45 ...
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