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
7 title: Qualcomm WSA8840/WSA8845/WSA8845H smart speaker amplifier
8
9 maintainers:
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
12
13 description:
14 WSA884X is a family of Qualcomm Aqstic smart speaker amplifiers using
15 SoundWire digital audio interface.
16
17 allOf:
18 - $ref: dai-common.yaml#
19
20 properties:
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 qcom,port-mapping:
36 description: |
37 Specifies static port mapping between slave and master ports.
38 In the order of slave port index.
39 $ref: /schemas/types.yaml#/definitions/uint32-array
40 minItems: 6
41 maxItems: 6
42
43 '#sound-dai-cells':
44 const: 0
45
46 vdd-1p8-supply: true
47 vdd-io-supply: true
48
49 required:
50 - compatible
51 - reg
52 - '#sound-dai-cells'
53 - vdd-1p8-supply
54 - vdd-io-supply
55
56 oneOf:
57 - required:
58 - powerdown-gpios
59 - required:
60 - reset-gpios
61
62 unevaluatedProperties: false
63
64 examples:
65 - |
66 #include <dt-bindings/gpio/gpio.h>
67
68 soundwire {
69 #address-cells = <2>;
70 #size-cells = <0>;
71
72 speaker@0,1 {
73 compatible = "sdw20217020400";
74 reg = <0 1>;
75 pinctrl-names = "default";
76 pinctrl-0 = <&spkr_2_sd_n_active>;
77 powerdown-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_LOW>;
78 #sound-dai-cells = <0>;
79 sound-name-prefix = "SpkrRight";
80 vdd-1p8-supply = <&vreg_l15b_1p8>;
81 vdd-io-supply = <&vreg_l3g_1p2>;
82 };
83 };
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