1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/fsl,imx-audio-es8328.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Freescale i.MX audio complex with ES8328 codec
8
9 maintainers:
10 - Shawn Guo <shawnguo@kernel.org>
11 - Sascha Hauer <s.hauer@pengutronix.de>
12
13 allOf:
14 - $ref: sound-card-common.yaml#
15
16 properties:
17 compatible:
18 const: fsl,imx-audio-es8328
19
20 model:
21 $ref: /schemas/types.yaml#/definitions/string
22 description: The user-visible name of this sound complex
23
24 ssi-controller:
25 $ref: /schemas/types.yaml#/definitions/phandle
26 description: The phandle of the i.MX SSI controller
27
28 jack-gpio:
29 description: Optional GPIO for headphone jack
30 maxItems: 1
31
32 audio-amp-supply:
33 description: Power regulator for speaker amps
34
35 audio-codec:
36 $ref: /schemas/types.yaml#/definitions/phandle
37 description: The phandle to the ES8328 audio codec
38
39 audio-routing:
40 $ref: /schemas/types.yaml#/definitions/non-unique-string-array
41 description: |
42 A list of the connections between audio components. Each entry
43 is a pair of strings, the first being the connection's sink, the second
44 being the connection's source. Valid names could be power supplies,
45 ES8328 pins, and the jacks on the board:
46
47 Power supplies:
48 * audio-amp
49
50 ES8328 pins:
51 * LOUT1
52 * LOUT2
53 * ROUT1
54 * ROUT2
55 * LINPUT1
56 * LINPUT2
57 * RINPUT1
58 * RINPUT2
59 * Mic PGA
60
61 Board connectors:
62 * Headphone
63 * Speaker
64 * Mic Jack
65
66 mux-int-port:
67 $ref: /schemas/types.yaml#/definitions/uint32
68 description: The internal port of the i.MX audio muxer (AUDMUX)
69 enum: [1, 2, 7]
70 default: 1
71
72 mux-ext-port:
73 $ref: /schemas/types.yaml#/definitions/uint32
74 description: The external port of the i.MX audio muxer (AUDMIX)
75 enum: [3, 4, 5, 6]
76 default: 3
77
78 required:
79 - compatible
80 - model
81 - ssi-controller
82 - jack-gpio
83 - audio-amp-supply
84 - audio-codec
85 - audio-routing
86 - mux-int-port
87 - mux-ext-port
88
89 unevaluatedProperties: false
90
91 examples:
92 - |
93 sound {
94 compatible = "fsl,imx-audio-es8328";
95 model = "imx-audio-es8328";
96 ssi-controller = <&ssi1>;
97 audio-codec = <&codec>;
98 jack-gpio = <&gpio5 15 0>;
99 audio-amp-supply = <®_audio_amp>;
100 audio-routing =
101 "Speaker", "LOUT2",
102 "Speaker", "ROUT2",
103 "Speaker", "audio-amp",
104 "Headphone", "ROUT1",
105 "Headphone", "LOUT1",
106 "LINPUT1", "Mic Jack",
107 "RINPUT1", "Mic Jack",
108 "Mic Jack", "Mic Bias";
109 mux-int-port = <1>;
110 mux-ext-port = <3>;
111 };
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