|
| 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 | + |
| 7 | +title: Bindings for Qualcomm WCD9380/WCD9385 Audio Codec |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
| 11 | + |
| 12 | +description: | |
| 13 | + Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC. |
| 14 | + It has RX and TX Soundwire slave devices. |
| 15 | +
|
| 16 | +properties: |
| 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 | + |
| 91 | +required: |
| 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 | + |
| 102 | +additionalProperties: false |
| 103 | + |
| 104 | +examples: |
| 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 | +... |
0 commit comments