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  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
 12allOf:
 13  - $ref: sound-card-common.yaml#
 14
 15properties:
 16  compatible:
 17    enum:
 18      # With FM radio and modem master
 19      - samsung,aries-wm8994
 20      # Without FM radio and modem slave
 21      - samsung,fascinate4g-wm8994
 22
 23  cpu:
 24    type: object
 25    additionalProperties: false
 26    properties:
 27      sound-dai:
 28        minItems: 2
 29        maxItems: 2
 30        description: |
 31          phandles to the I2S controller and bluetooth codec,
 32          in that order
 33    required:
 34      - sound-dai
 35
 36  codec:
 37    additionalProperties: false
 38    type: object
 39    properties:
 40      sound-dai:
 41        maxItems: 1
 42        description: phandle to the WM8994 CODEC
 43    required:
 44      - sound-dai
 45
 46  samsung,audio-routing:
 47    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
 48    deprecated: true
 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      Deprecated, use audio-routing.
 60
 61  extcon:
 62    description: Extcon phandle for dock detection
 63
 64  main-micbias-supply:
 65    description: Supply for the micbias on the main mic
 66
 67  headset-micbias-supply:
 68    description: Supply for the micbias on the headset mic
 69
 70  earpath-sel-gpios:
 71    maxItems: 1
 72    description: GPIO for switching between tv-out and mic paths
 73
 74  headset-detect-gpios:
 75    maxItems: 1
 76    description: GPIO for detection of headset insertion
 77
 78  headset-key-gpios:
 79    maxItems: 1
 80    description: GPIO for detection of headset key press
 81
 82  io-channels:
 83    maxItems: 1
 84    description: IO channel to read micbias voltage for headset detection
 85
 86  io-channel-names:
 87    const: headset-detect
 88
 89required:
 90  - compatible
 91  - cpu
 92  - codec
 93  - 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
101unevaluatedProperties: 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        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    };