1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/sound/qcom,wcd938x.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Bindings for Qualcomm WCD9380/WCD9385 Audio Codec 8 9maintainers: 10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> 11 12description: | 13 Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC. 14 It has RX and TX Soundwire slave devices. 15 16properties: 17 compatible: 18 enum: 19 - qcom,wcd9380-codec 20 - qcom,wcd9385-codec 21 22 reset-gpios: 23 description: GPIO spec for reset line to use 24 maxItems: 1 25 26 us-euro-gpios: 27 description: GPIO spec for swapping gnd and mic segments 28 maxItems: 1 29 30 vdd-buck-supply: 31 description: A reference to the 1.8V buck supply 32 33 vdd-rxtx-supply: 34 description: A reference to the 1.8V rx supply 35 36 vdd-io-supply: 37 description: A reference to the 1.8V I/O supply 38 39 vdd-mic-bias-supply: 40 description: A reference to the 3.8V mic bias supply 41 42 qcom,tx-device: 43 $ref: /schemas/types.yaml#/definitions/phandle-array 44 description: A reference to Soundwire tx device phandle 45 46 qcom,rx-device: 47 $ref: /schemas/types.yaml#/definitions/phandle-array 48 description: A reference to Soundwire rx device phandle 49 50 qcom,micbias1-microvolt: 51 description: micbias1 voltage 52 minimum: 1800000 53 maximum: 2850000 54 55 qcom,micbias2-microvolt: 56 description: micbias2 voltage 57 minimum: 1800000 58 maximum: 2850000 59 60 qcom,micbias3-microvolt: 61 description: micbias3 voltage 62 minimum: 1800000 63 maximum: 2850000 64 65 qcom,micbias4-microvolt: 66 description: micbias4 voltage 67 minimum: 1800000 68 maximum: 2850000 69 70 qcom,hphl-jack-type-normally-closed: 71 description: Indicates that HPHL jack switch type is normally closed 72 type: boolean 73 74 qcom,ground-jack-type-normally-closed: 75 description: Indicates that Headset Ground switch type is normally closed 76 type: boolean 77 78 qcom,mbhc-headset-vthreshold-microvolt: 79 description: Voltage threshold value for headset detection 80 minimum: 0 81 maximum: 2850000 82 83 qcom,mbhc-headphone-vthreshold-microvolt: 84 description: Voltage threshold value for headphone detection 85 minimum: 0 86 maximum: 2850000 87 88 qcom,mbhc-buttons-vthreshold-microvolt: 89 description: 90 Array of 8 Voltage threshold values corresponding to headset 91 button0 - button7 92 minItems: 8 93 maxItems: 8 94 95 '#sound-dai-cells': 96 const: 1 97 98required: 99 - compatible 100 - reset-gpios 101 - qcom,tx-device 102 - qcom,rx-device 103 - qcom,micbias1-microvolt 104 - qcom,micbias2-microvolt 105 - qcom,micbias3-microvolt 106 - qcom,micbias4-microvolt 107 - "#sound-dai-cells" 108 109additionalProperties: false 110 111examples: 112 - | 113 codec { 114 compatible = "qcom,wcd9380-codec"; 115 reset-gpios = <&tlmm 32 0>; 116 #sound-dai-cells = <1>; 117 qcom,tx-device = <&wcd938x_tx>; 118 qcom,rx-device = <&wcd938x_rx>; 119 qcom,micbias1-microvolt = <1800000>; 120 qcom,micbias2-microvolt = <1800000>; 121 qcom,micbias3-microvolt = <1800000>; 122 qcom,micbias4-microvolt = <1800000>; 123 qcom,hphl-jack-type-normally-closed; 124 qcom,ground-jack-type-normally-closed; 125 qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>; 126 qcom,mbhc-headphone-vthreshold-microvolt = <50000>; 127 }; 128 129 /* ... */ 130 131 soundwire@3210000 { 132 #address-cells = <2>; 133 #size-cells = <0>; 134 reg = <0x03210000 0x2000>; 135 wcd938x_rx: codec@0,4 { 136 compatible = "sdw20217010d00"; 137 reg = <0 4>; 138 qcom,rx-port-mapping = <1 2 3 4 5>; 139 }; 140 }; 141 142 soundwire@3230000 { 143 #address-cells = <2>; 144 #size-cells = <0>; 145 reg = <0x03230000 0x2000>; 146 wcd938x_tx: codec@0,3 { 147 compatible = "sdw20217010d00"; 148 reg = <0 3>; 149 qcom,tx-port-mapping = <2 3 4 5>; 150 }; 151 }; 152 153... 154