1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/mt8186-mt6366-da7219-max98357.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Mediatek MT8186 with MT6366, DA7219 and MAX98357 ASoC sound card driver
8
9 maintainers:
10 - Jiaxin Yu <jiaxin.yu@mediatek.com>
11
12 description:
13 This binding describes the MT8186 sound card.
14
15 allOf:
16 - $ref: sound-card-common.yaml#
17
18 properties:
19 compatible:
20 enum:
21 - mediatek,mt8186-mt6366-da7219-max98357-sound
22
23 audio-routing:
24 $ref: /schemas/types.yaml#/definitions/non-unique-string-array
25 description:
26 A list of the connections between audio components. Each entry is a
27 pair of strings, the first being the connection's sink, the second
28 being the connection's source.
29 Valid names could be the input or output widgets of audio components,
30 power supplies, MicBias of codec and the software switch.
31 minItems: 2
32 items:
33 enum:
34 # Sinks
35 - HDMI1
36 - Headphones
37 - Line Out
38 - MIC
39 - Speakers
40
41 # Sources
42 - Headset Mic
43 - HPL
44 - HPR
45 - Speaker
46 - TX
47
48 mediatek,platform:
49 $ref: /schemas/types.yaml#/definitions/phandle
50 description: The phandle of MT8186 ASoC platform.
51
52 headset-codec:
53 type: object
54 deprecated: true
55 additionalProperties: false
56 properties:
57 sound-dai:
58 maxItems: 1
59 required:
60 - sound-dai
61
62 playback-codecs:
63 type: object
64 deprecated: true
65 additionalProperties: false
66 properties:
67 sound-dai:
68 items:
69 - description: phandle of dp codec
70 - description: phandle of l channel speaker codec
71 - description: phandle of r channel speaker codec
72 minItems: 2
73 required:
74 - sound-dai
75
76 mediatek,adsp:
77 $ref: /schemas/types.yaml#/definitions/phandle
78 description: The phandle of MT8186 ADSP platform.
79
80 mediatek,dai-link:
81 $ref: /schemas/types.yaml#/definitions/string-array
82 description:
83 A list of the desired dai-links in the sound card. Each entry is a
84 name defined in the machine driver.
85
86 patternProperties:
87 ".*-dai-link$":
88 type: object
89 additionalProperties: false
90 description:
91 Container for dai-link level properties and CODEC sub-nodes.
92
93 properties:
94 link-name:
95 description: Indicates dai-link name and PCM stream name
96 items:
97 enum:
98 - I2S0
99 - I2S1
100 - I2S2
101 - I2S3
102
103 codec:
104 description: Holds subnode which indicates codec dai.
105 type: object
106 additionalProperties: false
107 properties:
108 sound-dai:
109 minItems: 1
110 maxItems: 2
111 required:
112 - sound-dai
113
114 dai-format:
115 description: audio format
116 items:
117 enum:
118 - i2s
119 - right_j
120 - left_j
121 - dsp_a
122 - dsp_b
123
124 mediatek,clk-provider:
125 $ref: /schemas/types.yaml#/definitions/string
126 description: Indicates dai-link clock master.
127 items:
128 enum:
129 - cpu
130 - codec
131
132 required:
133 - link-name
134
135 unevaluatedProperties: false
136
137 required:
138 - compatible
139 - mediatek,platform
140
141 # Disallow legacy properties if xxx-dai-link nodes are specified
142 if:
143 not:
144 patternProperties:
145 ".*-dai-link$": false
146 then:
147 properties:
148 headset-codec: false
149 speaker-codecs: false
150
151 examples:
152 - |
153
154 sound: mt8186-sound {
155 compatible = "mediatek,mt8186-mt6366-da7219-max98357-sound";
156 model = "mt8186_da7219_m98357";
157 pinctrl-names = "aud_clk_mosi_off",
158 "aud_clk_mosi_on";
159 pinctrl-0 = <&aud_clk_mosi_off>;
160 pinctrl-1 = <&aud_clk_mosi_on>;
161 mediatek,platform = <&afe>;
162
163 audio-routing =
164 "Headphones", "HPL",
165 "Headphones", "HPR",
166 "MIC", "Headset Mic",
167 "Speakers", "Speaker",
168 "HDMI1", "TX";
169
170 hs-playback-dai-link {
171 link-name = "I2S0";
172 dai-format = "i2s";
173 mediatek,clk-provider = "cpu";
174 codec {
175 sound-dai = <&da7219>;
176 };
177 };
178
179 hs-capture-dai-link {
180 link-name = "I2S1";
181 dai-format = "i2s";
182 mediatek,clk-provider = "cpu";
183 codec {
184 sound-dai = <&da7219>;
185 };
186 };
187
188 spk-dp-playback-dai-link {
189 link-name = "I2S3";
190 dai-format = "i2s";
191 mediatek,clk-provider = "cpu";
192 codec {
193 sound-dai = <&anx_bridge_dp>, <&max98357a>;
194 };
195 };
196 };
197
198 ...
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