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
7title: Google SC7180-Trogdor ASoC sound card driver
8
9maintainers:
10  - Rohit kumar <rohitkr@codeaurora.org>
11  - Cheng-Yi Chiang <cychiang@chromium.org>
12
13description:
14  This binding describes the SC7180 sound card which uses LPASS for audio.
15
16properties:
17  compatible:
18    enum:
19      - google,sc7180-trogdor
20      - google,sc7180-coachz
21
22  audio-routing:
23    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
24    description:
25      A list of the connections between audio components. Each entry is a
26      pair of strings, the first being the connection's sink, the second
27      being the connection's source.
28
29  model:
30    $ref: /schemas/types.yaml#/definitions/string
31    description: User specified audio sound card name
32
33  "#address-cells":
34    const: 1
35
36  "#size-cells":
37    const: 0
38
39  dmic-gpios:
40    maxItems: 1
41    description: GPIO for switching between DMICs
42
43patternProperties:
44  "^dai-link(@[0-9])?$":
45    description:
46      Each subnode represents a dai link. Subnodes of each dai links would be
47      cpu/codec dais.
48
49    type: object
50
51    properties:
52      link-name:
53        description: Indicates dai-link name and PCM stream name.
54        $ref: /schemas/types.yaml#/definitions/string
55        maxItems: 1
56
57      reg:
58        maxItems: 1
59        description: dai link address.
60
61      cpu:
62        description: Holds subnode which indicates cpu dai.
63        type: object
64        additionalProperties: false
65
66        properties:
67          sound-dai:
68            maxItems: 1
69
70      codec:
71        description: Holds subnode which indicates codec dai.
72        type: object
73        additionalProperties: false
74
75        properties:
76          sound-dai:
77            minItems: 1
78            maxItems: 4
79
80    required:
81      - link-name
82      - cpu
83      - codec
84
85    additionalProperties: false
86
87required:
88  - compatible
89  - model
90  - "#address-cells"
91  - "#size-cells"
92
93additionalProperties: false
94
95examples:
96
97  - |
98    sound {
99        compatible = "google,sc7180-trogdor";
100        model = "sc7180-rt5682-max98357a-2mic";
101
102        audio-routing =
103                    "Headphone Jack", "HPOL",
104                    "Headphone Jack", "HPOR";
105
106        #address-cells = <1>;
107        #size-cells = <0>;
108
109        dmic-gpios = <&tlmm 86 0>;
110
111        dai-link@0 {
112            link-name = "MultiMedia0";
113            reg = <0>;
114            cpu {
115                sound-dai = <&lpass_cpu 0>;
116            };
117
118            codec {
119                sound-dai = <&alc5682 0>;
120            };
121        };
122
123        dai-link@1 {
124            link-name = "MultiMedia1";
125            reg = <1>;
126            cpu {
127                sound-dai = <&lpass_cpu 1>;
128            };
129
130            codec {
131                sound-dai = <&max98357a>;
132            };
133        };
134
135        dai-link@2 {
136            link-name = "MultiMedia2";
137            reg = <2>;
138            cpu {
139                sound-dai = <&lpass_hdmi 0>;
140            };
141
142            codec {
143                sound-dai = <&msm_dp>;
144            };
145        };
146    };
147