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
16properties:
17 compatible:
18 enum:
19 - google,sc7280-herobrine
20
21 audio-routing:
22 $ref: /schemas/types.yaml#/definitions/non-unique-string-array
23 description:
24 A list of the connections between audio components. Each entry is a
25 pair of strings, the first being the connection's sink, the second
26 being the connection's source.
27
28 model:
29 $ref: /schemas/types.yaml#/definitions/string
30 description: User specified audio sound card name
31
32 "#address-cells":
33 const: 1
34
35 "#size-cells":
36 const: 0
37
38patternProperties:
39 "^dai-link@[0-9a-f]$":
40 description:
41 Each subnode represents a dai link. Subnodes of each dai links would be
42 cpu/codec dais.
43
44 type: object
45
46 properties:
47 link-name:
48 description: Indicates dai-link name and PCM stream name.
49 $ref: /schemas/types.yaml#/definitions/string
50 maxItems: 1
51
52 reg:
53 maxItems: 1
54 description: dai link address.
55
56 cpu:
57 description: Holds subnode which indicates cpu dai.
58 type: object
59 properties:
60 sound-dai: true
61
62 required:
63 - sound-dai
64
65 additionalProperties: false
66
67 codec:
68 description: Holds subnode which indicates codec dai.
69 type: object
70 properties:
71 sound-dai: true
72
73 required:
74 - sound-dai
75
76 additionalProperties: false
77
78 platform:
79 description: Holds subnode which includes the phandle of q6apm platform device.
80 type: object
81 properties:
82 sound-dai:
83 maxItems: 1
84
85 required:
86 - sound-dai
87
88 additionalProperties: false
89
90 required:
91 - link-name
92 - cpu
93 - codec
94 - reg
95
96 additionalProperties: false
97
98required:
99 - compatible
100 - model
101 - "#address-cells"
102 - "#size-cells"
103
104additionalProperties: false
105
106examples:
107
108 - |
109 #include <dt-bindings/sound/qcom,lpass.h>
110 sound {
111 compatible = "google,sc7280-herobrine";
112 model = "sc7280-wcd938x-max98360a-4dmic";
113
114 audio-routing =
115 "IN1_HPHL", "HPHL_OUT",
116 "IN2_HPHR", "HPHR_OUT",
117 "AMIC1", "MIC BIAS1",
118 "AMIC2", "MIC BIAS2",
119 "VA DMIC0", "MIC BIAS3",
120 "VA DMIC1", "MIC BIAS3",
121 "VA DMIC2", "MIC BIAS4",
122 "VA DMIC3", "MIC BIAS4",
123 "TX SWR_ADC0", "ADC1_OUTPUT",
124 "TX SWR_ADC1", "ADC2_OUTPUT",
125 "TX SWR_ADC2", "ADC3_OUTPUT",
126 "TX SWR_DMIC0", "DMIC1_OUTPUT",
127 "TX SWR_DMIC1", "DMIC2_OUTPUT",
128 "TX SWR_DMIC2", "DMIC3_OUTPUT",
129 "TX SWR_DMIC3", "DMIC4_OUTPUT";
130
131 #address-cells = <1>;
132 #size-cells = <0>;
133
134 dai-link@0 {
135 link-name = "WCD Playback";
136 reg = <LPASS_CDC_DMA_RX0>;
137 cpu {
138 sound-dai = <&lpass_cpu LPASS_CDC_DMA_RX0>;
139 };
140
141 codec {
142 sound-dai = <&wcd938x 0>, <&swr0 0>, <&rxmacro 0>;
143 };
144 };
145 dai-link@1 {
146 link-name = "WCD Capture";
147 reg = <LPASS_CDC_DMA_TX3>;
148 cpu {
149 sound-dai = <&lpass_cpu LPASS_CDC_DMA_TX3>;
150 };
151
152 codec {
153 sound-dai = <&wcd938x 1>, <&swr1 0>, <&txmacro 0>;
154 };
155 };
156
157 dai-link@2 {
158 link-name = "MI2S Playback";
159 reg = <MI2S_SECONDARY>;
160 cpu {
161 sound-dai = <&lpass_cpu MI2S_SECONDARY>;
162 };
163
164 codec {
165 sound-dai = <&max98360a>;
166 };
167 };
168
169 dai-link@3 {
170 link-name = "DMIC Capture";
171 reg = <LPASS_CDC_DMA_VA_TX0>;
172 cpu {
173 sound-dai = <&lpass_cpu LPASS_CDC_DMA_VA_TX0>;
174 };
175
176 codec {
177 sound-dai = <&vamacro 0>;
178 };
179 };
180
181 dai-link@5 {
182 link-name = "DP Playback";
183 reg = <LPASS_DP_RX>;
184 cpu {
185 sound-dai = <&lpass_cpu LPASS_DP_RX>;
186 };
187
188 codec {
189 sound-dai = <&mdss_dp>;
190 };
191 };
192 };