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 vdd-buck-supply: 27 description: A reference to the 1.8V buck supply 28 29 vdd-rxtx-supply: 30 description: A reference to the 1.8V rx supply 31 32 vdd-io-supply: 33 description: A reference to the 1.8V I/O supply 34 35 qcom,tx-device: 36 $ref: /schemas/types.yaml#/definitions/phandle-array 37 description: A reference to Soundwire tx device phandle 38 39 qcom,rx-device: 40 $ref: /schemas/types.yaml#/definitions/phandle-array 41 description: A reference to Soundwire rx device phandle 42 43 qcom,micbias1-microvolt: 44 description: micbias1 voltage 45 minimum: 1800000 46 maximum: 2850000 47 48 qcom,micbias2-microvolt: 49 description: micbias2 voltage 50 minimum: 1800000 51 maximum: 2850000 52 53 qcom,micbias3-microvolt: 54 description: micbias3 voltage 55 minimum: 1800000 56 maximum: 2850000 57 58 qcom,micbias4-microvolt: 59 description: micbias4 voltage 60 minimum: 1800000 61 maximum: 2850000 62 63 qcom,hphl-jack-type-normally-closed: 64 description: Indicates that HPHL jack switch type is normally closed 65 type: boolean 66 67 qcom,ground-jack-type-normally-closed: 68 description: Indicates that Headset Ground switch type is normally closed 69 type: boolean 70 71 qcom,mbhc-headset-vthreshold-microvolt: 72 description: Voltage threshold value for headset detection 73 minimum: 0 74 maximum: 2850000 75 76 qcom,mbhc-headphone-vthreshold-microvolt: 77 description: Voltage threshold value for headphone detection 78 minimum: 0 79 maximum: 2850000 80 81 qcom,mbhc-buttons-vthreshold-microvolt: 82 description: 83 Array of 8 Voltage threshold values corresponding to headset 84 button0 - button7 85 minItems: 8 86 maxItems: 8 87 88 '#sound-dai-cells': 89 const: 1 90 91required: 92 - compatible 93 - reset-gpios 94 - qcom,tx-device 95 - qcom,rx-device 96 - qcom,micbias1-microvolt 97 - qcom,micbias2-microvolt 98 - qcom,micbias3-microvolt 99 - qcom,micbias4-microvolt 100 - "#sound-dai-cells" 101 102additionalProperties: false 103 104examples: 105 - | 106 codec { 107 compatible = "qcom,wcd9380-codec"; 108 reset-gpios = <&tlmm 32 0>; 109 #sound-dai-cells = <1>; 110 qcom,tx-device = <&wcd938x_tx>; 111 qcom,rx-device = <&wcd938x_rx>; 112 qcom,micbias1-microvolt = <1800000>; 113 qcom,micbias2-microvolt = <1800000>; 114 qcom,micbias3-microvolt = <1800000>; 115 qcom,micbias4-microvolt = <1800000>; 116 qcom,hphl-jack-type-normally-closed; 117 qcom,ground-jack-type-normally-closed; 118 qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>; 119 qcom,mbhc-headphone-vthreshold-microvolt = <50000>; 120 }; 121 122 /* ... */ 123 124 soundwire@3210000 { 125 #address-cells = <2>; 126 #size-cells = <0>; 127 reg = <0x03210000 0x2000>; 128 wcd938x_rx: codec@0,4 { 129 compatible = "sdw20217010d00"; 130 reg = <0 4>; 131 qcom,rx-port-mapping = <1 2 3 4 5>; 132 }; 133 }; 134 135 soundwire@3230000 { 136 #address-cells = <2>; 137 #size-cells = <0>; 138 reg = <0x03230000 0x2000>; 139 wcd938x_tx: codec@0,3 { 140 compatible = "sdw20217010d00"; 141 reg = <0 3>; 142 qcom,tx-port-mapping = <2 3 4 5>; 143 }; 144 }; 145 146... 147