1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/qcom,wsa881x.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Bindings for Qualcomm WSA8810/WSA8815 Class-D Smart Speaker Amplifier
8
9 maintainers:
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
11
12 description: |
13 WSA8810 is a class-D smart speaker amplifier and WSA8815
14 is a high-output power class-D smart speaker amplifier.
15 Their primary operating mode uses a SoundWire digital audio
16 interface. This binding is for SoundWire interface.
17
18 properties:
19 compatible:
20 const: sdw10217201000
21
22 reg:
23 maxItems: 1
24
25 powerdown-gpios:
26 description: GPIO spec for Powerdown/Shutdown line to use
27 maxItems: 1
28
29 '#thermal-sensor-cells':
30 const: 0
31
32 '#sound-dai-cells':
33 const: 0
34
35 required:
36 - compatible
37 - reg
38 - powerdown-gpios
39 - "#thermal-sensor-cells"
40 - "#sound-dai-cells"
41
42 additionalProperties: false
43
44 examples:
45 - |
46 soundwire@c2d0000 {
47 #address-cells = <2>;
48 #size-cells = <0>;
49 reg = <0x0c2d0000 0x2000>;
50
51 speaker@0,1 {
52 compatible = "sdw10217201000";
53 reg = <0 1>;
54 powerdown-gpios = <&wcdpinctrl 2 0>;
55 #thermal-sensor-cells = <0>;
56 #sound-dai-cells = <0>;
57 };
58
59 speaker@0,2 {
60 compatible = "sdw10217201000";
61 reg = <0 2>;
62 powerdown-gpios = <&wcdpinctrl 2 0>;
63 #thermal-sensor-cells = <0>;
64 #sound-dai-cells = <0>;
65 };
66 };
67
68 ...
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