1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/samsung,aries-wm8994.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Samsung Aries audio complex with WM8994 codec
8
9maintainers:
10  - Jonathan Bakker <xc-racer2@live.ca>
11
12properties:
13  compatible:
14    enum:
15      # With FM radio and modem master
16      - samsung,aries-wm8994
17      # Without FM radio and modem slave
18      - samsung,fascinate4g-wm8994
19
20  model:
21    $ref: /schemas/types.yaml#/definitions/string
22    description: The user-visible name of this sound complex.
23
24  cpu:
25    type: object
26    properties:
27      sound-dai:
28        minItems: 2
29        maxItems: 2
30        $ref: /schemas/types.yaml#/definitions/phandle-array
31        description: |
32          phandles to the I2S controller and bluetooth codec,
33          in that order
34
35  codec:
36    type: object
37    properties:
38      sound-dai:
39        $ref: /schemas/types.yaml#/definitions/phandle-array
40        description: phandle to the WM8994 CODEC
41
42  samsung,audio-routing:
43    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
44    description: |
45      List of the connections between audio
46      components;  each entry is a pair of strings, the first being the
47      connection's sink, the second being the connection's source;
48      valid names for sources and sinks are the WM8994's pins (as
49      documented in its binding), and the jacks on the board -
50      For samsung,aries-wm8994: HP, SPK, RCV, LINE, Main Mic, Headset Mic,
51      or FM In
52      For samsung,fascinate4g-wm8994: HP, SPK, RCV, LINE, Main Mic,
53      or HeadsetMic
54
55  extcon:
56    description: Extcon phandle for dock detection
57
58  main-micbias-supply:
59    description: Supply for the micbias on the main mic
60
61  headset-micbias-supply:
62    description: Supply for the micbias on the headset mic
63
64  earpath-sel-gpios:
65    maxItems: 1
66    description: GPIO for switching between tv-out and mic paths
67
68  headset-detect-gpios:
69    maxItems: 1
70    description: GPIO for detection of headset insertion
71
72  headset-key-gpios:
73    maxItems: 1
74    description: GPIO for detection of headset key press
75
76  io-channels:
77    maxItems: 1
78    description: IO channel to read micbias voltage for headset detection
79
80  io-channel-names:
81    const: headset-detect
82
83required:
84  - compatible
85  - model
86  - cpu
87  - codec
88  - samsung,audio-routing
89  - extcon
90  - main-micbias-supply
91  - headset-micbias-supply
92  - earpath-sel-gpios
93  - headset-detect-gpios
94  - headset-key-gpios
95
96additionalProperties: false
97
98examples:
99  - |
100    #include <dt-bindings/gpio/gpio.h>
101
102    sound {
103        compatible = "samsung,fascinate4g-wm8994";
104
105        model = "Fascinate4G";
106
107        extcon = <&fsa9480>;
108
109        main-micbias-supply = <&main_micbias_reg>;
110        headset-micbias-supply = <&headset_micbias_reg>;
111
112        earpath-sel-gpios = <&gpj2 6 GPIO_ACTIVE_HIGH>;
113
114        io-channels = <&adc 3>;
115        io-channel-names = "headset-detect";
116        headset-detect-gpios = <&gph0 6 GPIO_ACTIVE_HIGH>;
117        headset-key-gpios = <&gph3 6 GPIO_ACTIVE_HIGH>;
118
119        samsung,audio-routing =
120            "HP", "HPOUT1L",
121            "HP", "HPOUT1R",
122
123            "SPK", "SPKOUTLN",
124            "SPK", "SPKOUTLP",
125
126            "RCV", "HPOUT2N",
127            "RCV", "HPOUT2P",
128
129            "LINE", "LINEOUT2N",
130            "LINE", "LINEOUT2P",
131
132            "IN1LP", "Main Mic",
133            "IN1LN", "Main Mic",
134
135            "IN1RP", "Headset Mic",
136            "IN1RN", "Headset Mic";
137
138        pinctrl-names = "default";
139        pinctrl-0 = <&headset_det &earpath_sel>;
140
141        cpu {
142            sound-dai = <&i2s0>, <&bt_codec>;
143        };
144
145        codec {
146            sound-dai = <&wm8994>;
147        };
148    };
149
150