1 # SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/simple-audio-mux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Simple Audio Multiplexer
8
9 maintainers:
10 - Alexandre Belloni <aleandre.belloni@bootlin.com>
11
12 description: |
13 Simple audio multiplexers are driven using gpios, allowing to select which of
14 their input line is connected to the output line.
15
16 allOf:
17 - $ref: dai-common.yaml#
18
19 properties:
20 compatible:
21 const: simple-audio-mux
22
23 mux-gpios:
24 description: |
25 GPIOs used to select the input line.
26
27 state-labels:
28 description: State of input line. default is "Input 1", "Input 2"
29 $ref: /schemas/types.yaml#/definitions/string-array
30 maxItems: 2
31
32 sound-name-prefix: true
33
34 required:
35 - compatible
36 - mux-gpios
37
38 additionalProperties: false
39
40 examples:
41 - |
42 mux {
43 compatible = "simple-audio-mux";
44 mux-gpios = <&gpio 3 0>;
45 state-labels = "Label_A", "Label_B";
46 };
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