xref: /freebsd/sys/contrib/device-tree/Bindings/sound/google,sc7180-trogdor.yaml (revision b077aed33b7b6aefca7b17ddb250cf521f938613) 
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        properties:
65          sound-dai:
66            maxItems: 1
67
68      codec:
69        description: Holds subnode which indicates codec dai.
70        type: object
71        properties:
72          sound-dai:
73            maxItems: 1
74
75    required:
76      - link-name
77      - cpu
78      - codec
79
80    additionalProperties: false
81
82required:
83  - compatible
84  - model
85  - "#address-cells"
86  - "#size-cells"
87
88additionalProperties: false
89
90examples:
91
92  - |
93    sound {
94        compatible = "google,sc7180-trogdor";
95        model = "sc7180-rt5682-max98357a-2mic";
96
97        audio-routing =
98                    "Headphone Jack", "HPOL",
99                    "Headphone Jack", "HPOR";
100
101        #address-cells = <1>;
102        #size-cells = <0>;
103
104        dmic-gpios = <&tlmm 86 0>;
105
106        dai-link@0 {
107            link-name = "MultiMedia0";
108            reg = <0>;
109            cpu {
110                sound-dai = <&lpass_cpu 0>;
111            };
112
113            codec {
114                sound-dai = <&alc5682 0>;
115            };
116        };
117
118        dai-link@1 {
119            link-name = "MultiMedia1";
120            reg = <1>;
121            cpu {
122                sound-dai = <&lpass_cpu 1>;
123            };
124
125            codec {
126                sound-dai = <&max98357a>;
127            };
128        };
129
130        dai-link@2 {
131            link-name = "MultiMedia2";
132            reg = <2>;
133            cpu {
134                sound-dai = <&lpass_hdmi 0>;
135            };
136
137            codec {
138                sound-dai = <&msm_dp>;
139            };
140        };
141    };
142