tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 additionalProperties: false
27 properties:
28 sound-dai:
29 minItems: 2
30 maxItems: 2
31 description: |
32 phandles to the I2S controller and bluetooth codec,
33 in that order
34 required:
35 - sound-dai
36
37 codec:
38 additionalProperties: false
39 type: object
40 properties:
41 sound-dai:
42 maxItems: 1
43 description: phandle to the WM8994 CODEC
44 required:
45 - sound-dai
46
47 samsung,audio-routing:
48 $ref: /schemas/types.yaml#/definitions/non-unique-string-array
49 description: |
50 List of the connections between audio
51 components; each entry is a pair of strings, the first being the
52 connection's sink, the second being the connection's source;
53 valid names for sources and sinks are the WM8994's pins (as
54 documented in its binding), and the jacks on the board -
55 For samsung,aries-wm8994: HP, SPK, RCV, LINE, Main Mic, Headset Mic,
56 or FM In
57 For samsung,fascinate4g-wm8994: HP, SPK, RCV, LINE, Main Mic,
58 or HeadsetMic
59
60 extcon:
61 description: Extcon phandle for dock detection
62
63 main-micbias-supply:
64 description: Supply for the micbias on the main mic
65
66 headset-micbias-supply:
67 description: Supply for the micbias on the headset mic
68
69 earpath-sel-gpios:
70 maxItems: 1
71 description: GPIO for switching between tv-out and mic paths
72
73 headset-detect-gpios:
74 maxItems: 1
75 description: GPIO for detection of headset insertion
76
77 headset-key-gpios:
78 maxItems: 1
79 description: GPIO for detection of headset key press
80
81 io-channels:
82 maxItems: 1
83 description: IO channel to read micbias voltage for headset detection
84
85 io-channel-names:
86 const: headset-detect
87
88required:
89 - compatible
90 - model
91 - cpu
92 - codec
93 - samsung,audio-routing
94 - extcon
95 - main-micbias-supply
96 - headset-micbias-supply
97 - earpath-sel-gpios
98 - headset-detect-gpios
99 - headset-key-gpios
100
101additionalProperties: false
102
103examples:
104 - |
105 #include <dt-bindings/gpio/gpio.h>
106
107 sound {
108 compatible = "samsung,fascinate4g-wm8994";
109
110 model = "Fascinate4G";
111
112 extcon = <&fsa9480>;
113
114 main-micbias-supply = <&main_micbias_reg>;
115 headset-micbias-supply = <&headset_micbias_reg>;
116
117 earpath-sel-gpios = <&gpj2 6 GPIO_ACTIVE_HIGH>;
118
119 io-channels = <&adc 3>;
120 io-channel-names = "headset-detect";
121 headset-detect-gpios = <&gph0 6 GPIO_ACTIVE_HIGH>;
122 headset-key-gpios = <&gph3 6 GPIO_ACTIVE_HIGH>;
123
124 samsung,audio-routing =
125 "HP", "HPOUT1L",
126 "HP", "HPOUT1R",
127
128 "SPK", "SPKOUTLN",
129 "SPK", "SPKOUTLP",
130
131 "RCV", "HPOUT2N",
132 "RCV", "HPOUT2P",
133
134 "LINE", "LINEOUT2N",
135 "LINE", "LINEOUT2P",
136
137 "IN1LP", "Main Mic",
138 "IN1LN", "Main Mic",
139
140 "IN1RP", "Headset Mic",
141 "IN1RN", "Headset Mic";
142
143 pinctrl-names = "default";
144 pinctrl-0 = <&headset_det &earpath_sel>;
145
146 cpu {
147 sound-dai = <&i2s0>, <&bt_codec>;
148 };
149
150 codec {
151 sound-dai = <&wm8994>;
152 };
153 };