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,sc7280-herobrine.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Google SC7280-Herobrine ASoC sound card driver
8
9 maintainers:
10 - Judy Hsiao <judyhsiao@chromium.org>
11
12 description:
13 This binding describes the SC7280 sound card which uses LPASS for audio.
14
15 allOf:
16 - $ref: sound-card-common.yaml#
17
18 properties:
19 compatible:
20 enum:
21 - google,sc7280-herobrine
22
23 "#address-cells":
24 const: 1
25
26 "#size-cells":
27 const: 0
28
29 patternProperties:
30 "^dai-link@[0-9a-f]$":
31 description:
32 Each subnode represents a dai link. Subnodes of each dai links would be
33 cpu/codec dais.
34
35 type: object
36
37 properties:
38 link-name:
39 description: Indicates dai-link name and PCM stream name.
40 $ref: /schemas/types.yaml#/definitions/string
41 maxItems: 1
42
43 reg:
44 maxItems: 1
45 description: dai link address.
46
47 cpu:
48 description: Holds subnode which indicates cpu dai.
49 type: object
50 properties:
51 sound-dai: true
52
53 required:
54 - sound-dai
55
56 additionalProperties: false
57
58 codec:
59 description: Holds subnode which indicates codec dai.
60 type: object
61 properties:
62 sound-dai: true
63
64 required:
65 - sound-dai
66
67 additionalProperties: false
68
69 platform:
70 description: Holds subnode which includes the phandle of q6apm platform device.
71 type: object
72 properties:
73 sound-dai:
74 maxItems: 1
75
76 required:
77 - sound-dai
78
79 additionalProperties: false
80
81 required:
82 - link-name
83 - cpu
84 - codec
85 - reg
86
87 additionalProperties: false
88
89 required:
90 - compatible
91 - "#address-cells"
92 - "#size-cells"
93
94 unevaluatedProperties: false
95
96 examples:
97
98 - |
99 #include <dt-bindings/sound/qcom,lpass.h>
100 sound {
101 compatible = "google,sc7280-herobrine";
102 model = "sc7280-wcd938x-max98360a-4dmic";
103
104 audio-routing =
105 "IN1_HPHL", "HPHL_OUT",
106 "IN2_HPHR", "HPHR_OUT",
107 "AMIC1", "MIC BIAS1",
108 "AMIC2", "MIC BIAS2",
109 "VA DMIC0", "MIC BIAS3",
110 "VA DMIC1", "MIC BIAS3",
111 "VA DMIC2", "MIC BIAS4",
112 "VA DMIC3", "MIC BIAS4",
113 "TX SWR_ADC0", "ADC1_OUTPUT",
114 "TX SWR_ADC1", "ADC2_OUTPUT",
115 "TX SWR_ADC2", "ADC3_OUTPUT",
116 "TX SWR_DMIC0", "DMIC1_OUTPUT",
117 "TX SWR_DMIC1", "DMIC2_OUTPUT",
118 "TX SWR_DMIC2", "DMIC3_OUTPUT",
119 "TX SWR_DMIC3", "DMIC4_OUTPUT";
120
121 #address-cells = <1>;
122 #size-cells = <0>;
123
124 dai-link@0 {
125 link-name = "WCD Playback";
126 reg = <LPASS_CDC_DMA_RX0>;
127 cpu {
128 sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>;
129 };
130
131 codec {
132 sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>;
133 };
134 };
135 dai-link@1 {
136 link-name = "WCD Capture";
137 reg = <LPASS_CDC_DMA_TX3>;
138 cpu {
139 sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>;
140 };
141
142 codec {
143 sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>;
144 };
145 };
146
147 dai-link@2 {
148 link-name = "MI2S Playback";
149 reg = <MI2S_SECONDARY>;
150 cpu {
151 sound-dai = <&lpass_cpu MI2S_SECONDARY>;
152 };
153
154 codec {
155 sound-dai = <&max98360a>;
156 };
157 };
158
159 dai-link@3 {
160 link-name = "DMIC Capture";
161 reg = <LPASS_CDC_DMA_VA_TX0>;
162 cpu {
163 sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>;
164 };
165
166 codec {
167 sound-dai = <&vamacro 0>;
168 };
169 };
170
171 dai-link@5 {
172 link-name = "DP Playback";
173 reg = <LPASS_DP_RX>;
174 cpu {
175 sound-dai = <&lpass_cpu LPASS_DP_RX>;
176 };
177
178 codec {
179 sound-dai = <&mdss_dp>;
180 };
181 };
182 };
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