tjh.dev
Linux kernel mirror (for testing)
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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
7title: Google SC7280-Herobrine ASoC sound card driver
8
9maintainers:
10 - Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
11 - Judy Hsiao <judyhsiao@chromium.org>
12
13description:
14 This binding describes the SC7280 sound card which uses LPASS for audio.
15
16allOf:
17 - $ref: sound-card-common.yaml#
18
19properties:
20 compatible:
21 enum:
22 - google,sc7280-herobrine
23
24 "#address-cells":
25 const: 1
26
27 "#size-cells":
28 const: 0
29
30patternProperties:
31 "^dai-link@[0-9a-f]$":
32 description:
33 Each subnode represents a dai link. Subnodes of each dai links would be
34 cpu/codec dais.
35
36 type: object
37
38 properties:
39 link-name:
40 description: Indicates dai-link name and PCM stream name.
41 $ref: /schemas/types.yaml#/definitions/string
42 maxItems: 1
43
44 reg:
45 maxItems: 1
46 description: dai link address.
47
48 cpu:
49 description: Holds subnode which indicates cpu dai.
50 type: object
51 properties:
52 sound-dai: true
53
54 required:
55 - sound-dai
56
57 additionalProperties: false
58
59 codec:
60 description: Holds subnode which indicates codec dai.
61 type: object
62 properties:
63 sound-dai: true
64
65 required:
66 - sound-dai
67
68 additionalProperties: false
69
70 platform:
71 description: Holds subnode which includes the phandle of q6apm platform device.
72 type: object
73 properties:
74 sound-dai:
75 maxItems: 1
76
77 required:
78 - sound-dai
79
80 additionalProperties: false
81
82 required:
83 - link-name
84 - cpu
85 - codec
86 - reg
87
88 additionalProperties: false
89
90required:
91 - compatible
92 - "#address-cells"
93 - "#size-cells"
94
95unevaluatedProperties: false
96
97examples:
98
99 - |
100 #include <dt-bindings/sound/qcom,lpass.h>
101 sound {
102 compatible = "google,sc7280-herobrine";
103 model = "sc7280-wcd938x-max98360a-4dmic";
104
105 audio-routing =
106 "IN1_HPHL", "HPHL_OUT",
107 "IN2_HPHR", "HPHR_OUT",
108 "AMIC1", "MIC BIAS1",
109 "AMIC2", "MIC BIAS2",
110 "VA DMIC0", "MIC BIAS3",
111 "VA DMIC1", "MIC BIAS3",
112 "VA DMIC2", "MIC BIAS4",
113 "VA DMIC3", "MIC BIAS4",
114 "TX SWR_ADC0", "ADC1_OUTPUT",
115 "TX SWR_ADC1", "ADC2_OUTPUT",
116 "TX SWR_ADC2", "ADC3_OUTPUT",
117 "TX SWR_DMIC0", "DMIC1_OUTPUT",
118 "TX SWR_DMIC1", "DMIC2_OUTPUT",
119 "TX SWR_DMIC2", "DMIC3_OUTPUT",
120 "TX SWR_DMIC3", "DMIC4_OUTPUT";
121
122 #address-cells = <1>;
123 #size-cells = <0>;
124
125 dai-link@0 {
126 link-name = "WCD Playback";
127 reg = <LPASS_CDC_DMA_RX0>;
128 cpu {
129 sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>;
130 };
131
132 codec {
133 sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>;
134 };
135 };
136 dai-link@1 {
137 link-name = "WCD Capture";
138 reg = <LPASS_CDC_DMA_TX3>;
139 cpu {
140 sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>;
141 };
142
143 codec {
144 sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>;
145 };
146 };
147
148 dai-link@2 {
149 link-name = "MI2S Playback";
150 reg = <MI2S_SECONDARY>;
151 cpu {
152 sound-dai = <&lpass_cpu MI2S_SECONDARY>;
153 };
154
155 codec {
156 sound-dai = <&max98360a>;
157 };
158 };
159
160 dai-link@3 {
161 link-name = "DMIC Capture";
162 reg = <LPASS_CDC_DMA_VA_TX0>;
163 cpu {
164 sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>;
165 };
166
167 codec {
168 sound-dai = <&vamacro 0>;
169 };
170 };
171
172 dai-link@5 {
173 link-name = "DP Playback";
174 reg = <LPASS_DP_RX>;
175 cpu {
176 sound-dai = <&lpass_cpu LPASS_DP_RX>;
177 };
178
179 codec {
180 sound-dai = <&mdss_dp>;
181 };
182 };
183 };