1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/mt818
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Mediatek MT8186 with MT6366, RT1019 and
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-rt1019-rt5682s-
22 - mediatek,mt8186-mt6366-rt5682s-max9836
23 - mediatek,mt8186-mt6366-rt5650-sound
24
25 audio-routing:
26 $ref: /schemas/types.yaml#/definitions/non
27 description:
28 A list of the connections between audio
29 pair of strings, the first being the con
30 being the connection's source.
31 Valid names could be the input or output
32 power supplies, MicBias of codec and the
33 minItems: 2
34 items:
35 enum:
36 # Sinks
37 - HDMI1
38 - Headphone
39 - IN1P
40 - IN1N
41 - Line Out
42 - Speakers
43
44 # Sources
45 - Headset Mic
46 - HPOL
47 - HPOR
48 - Speaker
49 - SPOL
50 - SPOR
51 - TX
52
53 mediatek,platform:
54 $ref: /schemas/types.yaml#/definitions/pha
55 description: The phandle of MT8186 ASoC pl
56
57 dmic-gpios:
58 maxItems: 1
59 description:
60 dmic-gpios optional prop for switching b
61 Ex, the GPIO can control a MUX HW compon
62 dmic clk and data form a Front or Rear d
63
64 headset-codec:
65 type: object
66 deprecated: true
67 additionalProperties: false
68 properties:
69 sound-dai:
70 maxItems: 1
71 required:
72 - sound-dai
73
74 playback-codecs:
75 type: object
76 deprecated: true
77 additionalProperties: false
78 properties:
79 sound-dai:
80 items:
81 - description: phandle of dp codec
82 - description: phandle of l channel
83 - description: phandle of r channel
84 minItems: 2
85 required:
86 - sound-dai
87
88 mediatek,adsp:
89 $ref: /schemas/types.yaml#/definitions/pha
90 description: The phandle of MT8186 ADSP pl
91
92 mediatek,dai-link:
93 $ref: /schemas/types.yaml#/definitions/str
94 description:
95 A list of the desired dai-links in the s
96 name defined in the machine driver.
97
98 patternProperties:
99 ".*-dai-link$":
100 type: object
101 additionalProperties: false
102 description:
103 Container for dai-link level properties
104
105 properties:
106 link-name:
107 description: Indicates dai-link name a
108 enum: [ I2S0, I2S1, I2S2, I2S3 ]
109
110 codec:
111 description: Holds subnode which indic
112 type: object
113 additionalProperties: false
114 properties:
115 sound-dai:
116 minItems: 1
117 maxItems: 2
118 required:
119 - sound-dai
120
121 dai-format:
122 description: audio format
123 enum: [ i2s, right_j, left_j, dsp_a, d
124
125 mediatek,clk-provider:
126 $ref: /schemas/types.yaml#/definitions
127 description: Indicates dai-link clock
128 enum: [ cpu, codec ]
129
130 required:
131 - link-name
132
133 unevaluatedProperties: false
134
135 required:
136 - compatible
137 - mediatek,platform
138
139 # Disallow legacy properties if xxx-dai-link n
140 if:
141 not:
142 patternProperties:
143 ".*-dai-link$": false
144 then:
145 properties:
146 headset-codec: false
147 speaker-codecs: false
148
149 examples:
150 - |
151 #include <dt-bindings/gpio/gpio.h>
152
153 sound: mt8186-sound {
154 compatible = "mediatek,mt8186-mt6366-r
155 model = "mt8186_rt1019_rt5682s";
156 pinctrl-names = "aud_clk_mosi_off",
157 "aud_clk_mosi_on",
158 "aud_gpio_dmic_sec";
159 pinctrl-0 = <&aud_clk_mosi_off>;
160 pinctrl-1 = <&aud_clk_mosi_on>;
161 pinctrl-2 = <&aud_gpio_dmic_sec>;
162 mediatek,platform = <&afe>;
163
164 dmic-gpios = <&pio 23 GPIO_ACTIVE_HIGH
165
166 audio-routing =
167 "Headphone", "HPOL",
168 "Headphone", "HPOR",
169 "IN1P", "Headset Mic",
170 "Speakers", "Speaker",
171 "HDMI1", "TX";
172
173 hs-playback-dai-link {
174 link-name = "I2S0";
175 dai-format = "i2s";
176 mediatek,clk-provider = "cpu";
177 codec {
178 sound-dai = <&rt5682s
179 };
180 };
181
182 hs-capture-dai-link {
183 link-name = "I2S1";
184 dai-format = "i2s";
185 mediatek,clk-provider = "cpu";
186 codec {
187 sound-dai = <&rt5682s
188 };
189 };
190
191 spk-hdmi-playback-dai-link {
192 link-name = "I2S3";
193 dai-format = "i2s";
194 mediatek,clk-provider = "cpu";
195 codec {
196 sound-dai = <&it6505dp
197 };
198 };
199 };
200
201 ...
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