1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/samsung,midas-audio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Samsung Midas audio complex with WM1811 codec
8
9 maintainers:
10 - Sylwester Nawrocki <s.nawrocki@samsung.com>
11
12 properties:
13 compatible:
14 const: samsung,midas-audio
15
16 model:
17 $ref: /schemas/types.yaml#/definitions/string
18 description: The user-visible name of this sound complex.
19
20 cpu:
21 type: object
22 properties:
23 sound-dai:
24 maxItems: 1
25 description: phandle to the I2S controller
26 required:
27 - sound-dai
28
29 codec:
30 type: object
31 properties:
32 sound-dai:
33 maxItems: 1
34 description: phandle to the WM1811 CODEC
35 required:
36 - sound-dai
37
38 samsung,audio-routing:
39 $ref: /schemas/types.yaml#/definitions/non-unique-string-array
40 description: |
41 List of the connections between audio components; each entry is
42 a pair of strings, the first being the connection's sink, the second
43 being the connection's source; valid names for sources and sinks are
44 the WM1811's pins (as documented in its binding), and the jacks
45 on the board: HP, SPK, Main Mic, Sub Mic, Headset Mic.
46
47 mic-bias-supply:
48 description: Supply for the micbias on the Main microphone
49
50 submic-bias-supply:
51 description: Supply for the micbias on the Sub microphone
52
53 fm-sel-gpios:
54 maxItems: 1
55 description: GPIO pin for FM selection
56
57 lineout-sel-gpios:
58 maxItems: 1
59 description: GPIO pin for line out selection
60
61 required:
62 - compatible
63 - model
64 - cpu
65 - codec
66 - samsung,audio-routing
67 - mic-bias-supply
68 - submic-bias-supply
69
70 additionalProperties: false
71
72 examples:
73 - |
74 #include <dt-bindings/gpio/gpio.h>
75
76 sound {
77 compatible = "samsung,midas-audio";
78 model = "Midas";
79
80 fm-sel-gpios = <&gpaa0 3 GPIO_ACTIVE_HIGH>;
81
82 mic-bias-supply = <&mic_bias_reg>;
83 submic-bias-supply = <&submic_bias_reg>;
84
85 samsung,audio-routing =
86 "HP", "HPOUT1L",
87 "HP", "HPOUT1R",
88
89 "SPK", "SPKOUTLN",
90 "SPK", "SPKOUTLP",
91 "SPK", "SPKOUTRN",
92 "SPK", "SPKOUTRP",
93
94 "RCV", "HPOUT2N",
95 "RCV", "HPOUT2P",
96
97 "IN1LP", "Main Mic",
98 "IN1LN", "Main Mic",
99 "IN1RP", "Sub Mic",
100 "IN1LP", "Sub Mic";
101
102 cpu {
103 sound-dai = <&i2s0>;
104 };
105
106 codec {
107 sound-dai = <&wm1811>;
108 };
109
110 };
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