1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/google,sc7180-trogdor.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Google SC7180-Trogdor ASoC sound card driver
8
9 maintainers:
10 - Rohit kumar <quic_rohkumar@quicinc.com>
11 - Cheng-Yi Chiang <cychiang@chromium.org>
12
13 description:
14 This binding describes the SC7180 sound card which uses LPASS for audio.
15
16 allOf:
17 - $ref: sound-card-common.yaml#
18
19 properties:
20 compatible:
21 enum:
22 - google,sc7180-trogdor
23 - google,sc7180-coachz
24
25 "#address-cells":
26 const: 1
27
28 "#size-cells":
29 const: 0
30
31 dmic-gpios:
32 maxItems: 1
33 description: GPIO for switching between DMICs
34
35 patternProperties:
36 "^dai-link(@[0-9])?$":
37 description:
38 Each subnode represents a dai link. Subnodes of each dai links would be
39 cpu/codec dais.
40
41 type: object
42
43 properties:
44 link-name:
45 description: Indicates dai-link name and PCM stream name.
46 $ref: /schemas/types.yaml#/definitions/string
47 maxItems: 1
48
49 reg:
50 maxItems: 1
51 description: dai link address.
52
53 cpu:
54 description: Holds subnode which indicates cpu dai.
55 type: object
56 additionalProperties: false
57
58 properties:
59 sound-dai:
60 maxItems: 1
61
62 codec:
63 description: Holds subnode which indicates codec dai.
64 type: object
65 additionalProperties: false
66
67 properties:
68 sound-dai:
69 minItems: 1
70 maxItems: 4
71
72 required:
73 - link-name
74 - cpu
75 - codec
76
77 additionalProperties: false
78
79 required:
80 - compatible
81 - "#address-cells"
82 - "#size-cells"
83
84 unevaluatedProperties: false
85
86 examples:
87
88 - |
89 sound {
90 compatible = "google,sc7180-trogdor";
91 model = "sc7180-rt5682-max98357a-2mic";
92
93 audio-routing =
94 "Headphone Jack", "HPOL",
95 "Headphone Jack", "HPOR";
96
97 #address-cells = <1>;
98 #size-cells = <0>;
99
100 dmic-gpios = <&tlmm 86 0>;
101
102 dai-link@0 {
103 link-name = "MultiMedia0";
104 reg = <0>;
105 cpu {
106 sound-dai = <&lpass_cpu 0>;
107 };
108
109 codec {
110 sound-dai = <&alc5682 0>;
111 };
112 };
113
114 dai-link@1 {
115 link-name = "MultiMedia1";
116 reg = <1>;
117 cpu {
118 sound-dai = <&lpass_cpu 1>;
119 };
120
121 codec {
122 sound-dai = <&max98357a>;
123 };
124 };
125
126 dai-link@2 {
127 link-name = "MultiMedia2";
128 reg = <2>;
129 cpu {
130 sound-dai = <&lpass_hdmi 0>;
131 };
132
133 codec {
134 sound-dai = <&msm_dp>;
135 };
136 };
137 };
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