summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/sound/samsung,aries-wm8994.yaml
blob: 5ea0819a261a52826be2e3c1a04f9c6f38fb7643 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/samsung,aries-wm8994.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Samsung Aries audio complex with WM8994 codec

maintainers:
  - Jonathan Bakker <xc-racer2@live.ca>

allOf:
  - $ref: sound-card-common.yaml#

properties:
  compatible:
    enum:
      # With FM radio and modem master
      - samsung,aries-wm8994
      # Without FM radio and modem slave
      - samsung,fascinate4g-wm8994

  cpu:
    type: object
    additionalProperties: false
    properties:
      sound-dai:
        minItems: 2
        maxItems: 2
        description: |
          phandles to the I2S controller and bluetooth codec,
          in that order
    required:
      - sound-dai

  codec:
    additionalProperties: false
    type: object
    properties:
      sound-dai:
        maxItems: 1
        description: phandle to the WM8994 CODEC
    required:
      - sound-dai

  samsung,audio-routing:
    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
    deprecated: true
    description: |
      List of the connections between audio
      components;  each entry is a pair of strings, the first being the
      connection's sink, the second being the connection's source;
      valid names for sources and sinks are the WM8994's pins (as
      documented in its binding), and the jacks on the board -
      For samsung,aries-wm8994: HP, SPK, RCV, LINE, Main Mic, Headset Mic,
      or FM In
      For samsung,fascinate4g-wm8994: HP, SPK, RCV, LINE, Main Mic,
      or HeadsetMic
      Deprecated, use audio-routing.

  extcon:
    description: Extcon phandle for dock detection

  main-micbias-supply:
    description: Supply for the micbias on the main mic

  headset-micbias-supply:
    description: Supply for the micbias on the headset mic

  earpath-sel-gpios:
    maxItems: 1
    description: GPIO for switching between tv-out and mic paths

  headset-detect-gpios:
    maxItems: 1
    description: GPIO for detection of headset insertion

  headset-key-gpios:
    maxItems: 1
    description: GPIO for detection of headset key press

  io-channels:
    maxItems: 1
    description: IO channel to read micbias voltage for headset detection

  io-channel-names:
    const: headset-detect

required:
  - compatible
  - cpu
  - codec
  - audio-routing
  - extcon
  - main-micbias-supply
  - headset-micbias-supply
  - earpath-sel-gpios
  - headset-detect-gpios
  - headset-key-gpios

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>

    sound {
        compatible = "samsung,fascinate4g-wm8994";

        model = "Fascinate4G";

        extcon = <&fsa9480>;

        main-micbias-supply = <&main_micbias_reg>;
        headset-micbias-supply = <&headset_micbias_reg>;

        earpath-sel-gpios = <&gpj2 6 GPIO_ACTIVE_HIGH>;

        io-channels = <&adc 3>;
        io-channel-names = "headset-detect";
        headset-detect-gpios = <&gph0 6 GPIO_ACTIVE_HIGH>;
        headset-key-gpios = <&gph3 6 GPIO_ACTIVE_HIGH>;

        audio-routing =
            "HP", "HPOUT1L",
            "HP", "HPOUT1R",

            "SPK", "SPKOUTLN",
            "SPK", "SPKOUTLP",

            "RCV", "HPOUT2N",
            "RCV", "HPOUT2P",

            "LINE", "LINEOUT2N",
            "LINE", "LINEOUT2P",

            "IN1LP", "Main Mic",
            "IN1LN", "Main Mic",

            "IN1RP", "Headset Mic",
            "IN1RN", "Headset Mic";

        pinctrl-names = "default";
        pinctrl-0 = <&headset_det &earpath_sel>;

        cpu {
            sound-dai = <&i2s0>, <&bt_codec>;
        };

        codec {
            sound-dai = <&wm8994>;
        };
    };