1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/mediatek,mt8188-mt6359.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: MediaTek MT8188 ASoC sound card
8
9 maintainers:
10 - Trevor Wu <trevor.wu@mediatek.com>
11
12 allOf:
13 - $ref: sound-card-common.yaml#
14
15 properties:
16 compatible:
17 enum:
18 - mediatek,mt8188-es8326
19 - mediatek,mt8188-mt6359-evb
20 - mediatek,mt8188-nau8825
21 - mediatek,mt8188-rt5682s
22
23 audio-routing:
24 description:
25 Valid names could be the input or output widgets of audio components,
26 power supplies, MicBias of codec and the software switch.
27
28 mediatek,platform:
29 $ref: /schemas/types.yaml#/definitions/phandle
30 description: The phandle of MT8188 ASoC platform.
31
32 patternProperties:
33 "^dai-link-[0-9]+$":
34 type: object
35 description:
36 Container for dai-link level properties and CODEC sub-nodes.
37
38 properties:
39 link-name:
40 description:
41 This property corresponds to the name of the BE dai-link to which
42 we are going to update parameters in this node.
43 items:
44 enum:
45 - DPTX_BE
46 - ETDM1_IN_BE
47 - ETDM2_IN_BE
48 - ETDM1_OUT_BE
49 - ETDM2_OUT_BE
50 - ETDM3_OUT_BE
51 - PCM1_BE
52
53 codec:
54 description: Holds subnode which indicates codec dai.
55 type: object
56 additionalProperties: false
57 properties:
58 sound-dai:
59 minItems: 1
60 maxItems: 2
61 required:
62 - sound-dai
63
64 dai-format:
65 description: audio format.
66 items:
67 enum:
68 - i2s
69 - right_j
70 - left_j
71 - dsp_a
72 - dsp_b
73
74 mediatek,clk-provider:
75 $ref: /schemas/types.yaml#/definitions/string
76 description: Indicates dai-link clock master.
77 items:
78 enum:
79 - cpu
80 - codec
81
82 additionalProperties: false
83
84 required:
85 - link-name
86
87 unevaluatedProperties: false
88
89 required:
90 - compatible
91 - mediatek,platform
92
93 examples:
94 - |
95 sound {
96 compatible = "mediatek,mt8188-mt6359-evb";
97 model = "MT6359-EVB";
98 mediatek,platform = <&afe>;
99 pinctrl-names = "default";
100 pinctrl-0 = <&aud_pins_default>;
101 audio-routing =
102 "Headphone", "Headphone L",
103 "Headphone", "Headphone R",
104 "AIN1", "Headset Mic";
105 dai-link-0 {
106 link-name = "ETDM3_OUT_BE";
107 dai-format = "i2s";
108 mediatek,clk-provider = "cpu";
109 codec {
110 sound-dai = <&hdmi0>;
111 };
112 };
113 };
114
115 ...
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