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