xref: /linux/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml (revision 9e56ff53b4115875667760445b028357848b4748) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/qcom,wsa8840.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm WSA8840/WSA8845/WSA8845H smart speaker amplifier
8
9maintainers:
10  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
12
13description:
14  WSA884X is a family of Qualcomm Aqstic smart speaker amplifiers using
15  SoundWire digital audio interface.
16
17allOf:
18  - $ref: dai-common.yaml#
19
20properties:
21  compatible:
22    const: sdw20217020400
23
24  reg:
25    maxItems: 1
26
27  powerdown-gpios:
28    description: Powerdown/Shutdown line to use (pin SD_N)
29    maxItems: 1
30
31  '#sound-dai-cells':
32    const: 0
33
34  vdd-1p8-supply: true
35  vdd-io-supply: true
36
37required:
38  - compatible
39  - reg
40  - powerdown-gpios
41  - '#sound-dai-cells'
42  - vdd-1p8-supply
43  - vdd-io-supply
44
45unevaluatedProperties: false
46
47examples:
48  - |
49    #include <dt-bindings/gpio/gpio.h>
50
51    soundwire {
52        #address-cells = <2>;
53        #size-cells = <0>;
54
55        speaker@0,1 {
56            compatible = "sdw20217020400";
57            reg = <0 1>;
58            pinctrl-names = "default";
59            pinctrl-0 = <&spkr_2_sd_n_active>;
60            powerdown-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_LOW>;
61            #sound-dai-cells = <0>;
62            sound-name-prefix = "SpkrRight";
63            vdd-1p8-supply = <&vreg_l15b_1p8>;
64            vdd-io-supply = <&vreg_l3g_1p2>;
65        };
66    };
67