1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/sound/imx-a 4 $id: http://devicetree.org/schemas/sound/imx-audio-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: NXP i.MX audio sound card. 7 title: NXP i.MX audio sound card.
8 8
9 maintainers: 9 maintainers:
10 - Shengjiu Wang <shengjiu.wang@nxp.com> 10 - Shengjiu Wang <shengjiu.wang@nxp.com>
11 11
12 allOf: <<
13 - $ref: sound-card-common.yaml# <<
14 <<
15 properties: 12 properties:
16 compatible: 13 compatible:
17 enum: 14 enum:
18 - fsl,imx-audio-card 15 - fsl,imx-audio-card
19 16
>> 17 model:
>> 18 $ref: /schemas/types.yaml#/definitions/string
>> 19 description: User specified audio sound card name
>> 20
>> 21 audio-routing:
>> 22 $ref: /schemas/types.yaml#/definitions/non-unique-string-array
>> 23 description:
>> 24 A list of the connections between audio components. Each entry is a
>> 25 pair of strings, the first being the connection's sink, the second
>> 26 being the connection's source. Valid names could be power supplies,
>> 27 MicBias of codec and the jacks on the board.
>> 28
20 patternProperties: 29 patternProperties:
21 ".*-dai-link$": 30 ".*-dai-link$":
22 description: 31 description:
23 Each subnode represents a dai link. Subn 32 Each subnode represents a dai link. Subnodes of each dai links would be
24 cpu/codec dais. 33 cpu/codec dais.
25 34
26 type: object 35 type: object
27 36
28 properties: 37 properties:
29 link-name: 38 link-name:
30 description: Indicates dai-link name a 39 description: Indicates dai-link name and PCM stream name.
31 $ref: /schemas/types.yaml#/definitions 40 $ref: /schemas/types.yaml#/definitions/string
32 maxItems: 1 41 maxItems: 1
33 42
34 format: 43 format:
35 description: audio format. 44 description: audio format.
36 items: 45 items:
37 enum: 46 enum:
38 - i2s 47 - i2s
39 - dsp_b 48 - dsp_b
40 49
41 dai-tdm-slot-num: 50 dai-tdm-slot-num:
42 description: see tdm-slot.txt. 51 description: see tdm-slot.txt.
43 $ref: /schemas/types.yaml#/definitions 52 $ref: /schemas/types.yaml#/definitions/uint32
44 53
45 dai-tdm-slot-width: 54 dai-tdm-slot-width:
46 description: see tdm-slot.txt. 55 description: see tdm-slot.txt.
47 $ref: /schemas/types.yaml#/definitions 56 $ref: /schemas/types.yaml#/definitions/uint32
48 57
49 cpu: 58 cpu:
50 description: Holds subnode which indic 59 description: Holds subnode which indicates cpu dai.
51 type: object 60 type: object
52 additionalProperties: false <<
53 properties: 61 properties:
54 sound-dai: 62 sound-dai:
55 maxItems: 1 63 maxItems: 1
56 64
57 codec: 65 codec:
58 description: Holds subnode which indic 66 description: Holds subnode which indicates codec dai.
59 type: object 67 type: object
60 additionalProperties: false <<
61 properties: 68 properties:
62 sound-dai: 69 sound-dai:
63 minItems: 1 70 minItems: 1
64 maxItems: 2 71 maxItems: 2
65 72
66 fsl,mclk-equal-bclk: 73 fsl,mclk-equal-bclk:
67 description: Indicates mclk can be equ 74 description: Indicates mclk can be equal to bclk, especially for sai interface
68 $ref: /schemas/types.yaml#/definitions 75 $ref: /schemas/types.yaml#/definitions/flag
69 76
70 required: 77 required:
71 - link-name 78 - link-name
72 - cpu 79 - cpu
73 80
74 additionalProperties: false 81 additionalProperties: false
75 82
76 required: 83 required:
77 - compatible 84 - compatible
>> 85 - model
78 86
79 unevaluatedProperties: false !! 87 additionalProperties: false
80 88
81 examples: 89 examples:
82 - | 90 - |
83 sound-ak4458 { 91 sound-ak4458 {
84 compatible = "fsl,imx-audio-card"; 92 compatible = "fsl,imx-audio-card";
85 model = "ak4458-audio"; 93 model = "ak4458-audio";
86 pri-dai-link { 94 pri-dai-link {
87 link-name = "akcodec"; 95 link-name = "akcodec";
88 format = "i2s"; 96 format = "i2s";
89 fsl,mclk-equal-bclk; 97 fsl,mclk-equal-bclk;
90 cpu { 98 cpu {
91 sound-dai = <&sai1>; 99 sound-dai = <&sai1>;
92 }; 100 };
93 codec { 101 codec {
94 sound-dai = <&ak4458_1>, <&ak 102 sound-dai = <&ak4458_1>, <&ak4458_2>;
95 }; 103 };
96 }; 104 };
97 fe-dai-link { 105 fe-dai-link {
98 link-name = "HiFi-ASRC-FE"; 106 link-name = "HiFi-ASRC-FE";
99 format = "i2s"; 107 format = "i2s";
100 cpu { 108 cpu {
101 sound-dai = <&easrc>; 109 sound-dai = <&easrc>;
102 }; 110 };
103 }; 111 };
104 be-dai-link { 112 be-dai-link {
105 link-name = "HiFi-ASRC-BE"; 113 link-name = "HiFi-ASRC-BE";
106 format = "dsp_b"; 114 format = "dsp_b";
107 dai-tdm-slot-num = <8>; 115 dai-tdm-slot-num = <8>;
108 dai-tdm-slot-width = <32>; 116 dai-tdm-slot-width = <32>;
109 fsl,mclk-equal-bclk; 117 fsl,mclk-equal-bclk;
110 cpu { 118 cpu {
111 sound-dai = <&sai1>; 119 sound-dai = <&sai1>;
112 }; 120 };
113 codec { 121 codec {
114 sound-dai = <&ak4458_1>, <&ak4 122 sound-dai = <&ak4458_1>, <&ak4458_2>;
115 }; 123 };
116 }; 124 };
117 }; 125 };
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