xref: /linux/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml (revision 8b6d678fede700db6466d73f11fcbad496fa515e) 
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  reset-gpios:
32    description: Powerdown/Shutdown line to use (pin SD_N)
33    maxItems: 1
34
35  '#sound-dai-cells':
36    const: 0
37
38  vdd-1p8-supply: true
39  vdd-io-supply: true
40
41required:
42  - compatible
43  - reg
44  - '#sound-dai-cells'
45  - vdd-1p8-supply
46  - vdd-io-supply
47
48oneOf:
49  - required:
50      - powerdown-gpios
51  - required:
52      - reset-gpios
53
54unevaluatedProperties: false
55
56examples:
57  - |
58    #include <dt-bindings/gpio/gpio.h>
59
60    soundwire {
61        #address-cells = <2>;
62        #size-cells = <0>;
63
64        speaker@0,1 {
65            compatible = "sdw20217020400";
66            reg = <0 1>;
67            pinctrl-names = "default";
68            pinctrl-0 = <&spkr_2_sd_n_active>;
69            powerdown-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_LOW>;
70            #sound-dai-cells = <0>;
71            sound-name-prefix = "SpkrRight";
72            vdd-1p8-supply = <&vreg_l15b_1p8>;
73            vdd-io-supply = <&vreg_l3g_1p2>;
74        };
75    };
76