| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/sound/qcom,wcd938x.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Bindings for Qualcomm WCD9380/WCD9385 Audio Codec |
| |
| maintainers: |
| - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
| |
| description: | |
| Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC. |
| It has RX and TX Soundwire slave devices. |
| |
| properties: |
| compatible: |
| enum: |
| - qcom,wcd9380-codec |
| - qcom,wcd9385-codec |
| |
| reset-gpios: |
| description: GPIO spec for reset line to use |
| maxItems: 1 |
| |
| vdd-buck-supply: |
| description: A reference to the 1.8V buck supply |
| |
| vdd-rxtx-supply: |
| description: A reference to the 1.8V rx supply |
| |
| vdd-io-supply: |
| description: A reference to the 1.8V I/O supply |
| |
| qcom,tx-device: |
| $ref: /schemas/types.yaml#/definitions/phandle-array |
| description: A reference to Soundwire tx device phandle |
| |
| qcom,rx-device: |
| $ref: /schemas/types.yaml#/definitions/phandle-array |
| description: A reference to Soundwire rx device phandle |
| |
| qcom,micbias1-microvolt: |
| description: micbias1 voltage |
| minimum: 1800000 |
| maximum: 2850000 |
| |
| qcom,micbias2-microvolt: |
| description: micbias2 voltage |
| minimum: 1800000 |
| maximum: 2850000 |
| |
| qcom,micbias3-microvolt: |
| description: micbias3 voltage |
| minimum: 1800000 |
| maximum: 2850000 |
| |
| qcom,micbias4-microvolt: |
| description: micbias4 voltage |
| minimum: 1800000 |
| maximum: 2850000 |
| |
| qcom,hphl-jack-type-normally-closed: |
| description: Indicates that HPHL jack switch type is normally closed |
| type: boolean |
| |
| qcom,ground-jack-type-normally-closed: |
| description: Indicates that Headset Ground switch type is normally closed |
| type: boolean |
| |
| qcom,mbhc-headset-vthreshold-microvolt: |
| description: Voltage threshold value for headset detection |
| minimum: 0 |
| maximum: 2850000 |
| |
| qcom,mbhc-headphone-vthreshold-microvolt: |
| description: Voltage threshold value for headphone detection |
| minimum: 0 |
| maximum: 2850000 |
| |
| qcom,mbhc-buttons-vthreshold-microvolt: |
| description: |
| Array of 8 Voltage threshold values corresponding to headset |
| button0 - button7 |
| minItems: 8 |
| maxItems: 8 |
| |
| '#sound-dai-cells': |
| const: 1 |
| |
| required: |
| - compatible |
| - reset-gpios |
| - qcom,tx-device |
| - qcom,rx-device |
| - qcom,micbias1-microvolt |
| - qcom,micbias2-microvolt |
| - qcom,micbias3-microvolt |
| - qcom,micbias4-microvolt |
| - "#sound-dai-cells" |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| codec { |
| compatible = "qcom,wcd9380-codec"; |
| reset-gpios = <&tlmm 32 0>; |
| #sound-dai-cells = <1>; |
| qcom,tx-device = <&wcd938x_tx>; |
| qcom,rx-device = <&wcd938x_rx>; |
| qcom,micbias1-microvolt = <1800000>; |
| qcom,micbias2-microvolt = <1800000>; |
| qcom,micbias3-microvolt = <1800000>; |
| qcom,micbias4-microvolt = <1800000>; |
| qcom,hphl-jack-type-normally-closed; |
| qcom,ground-jack-type-normally-closed; |
| qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>; |
| qcom,mbhc-headphone-vthreshold-microvolt = <50000>; |
| }; |
| |
| /* ... */ |
| |
| soundwire@3210000 { |
| #address-cells = <2>; |
| #size-cells = <0>; |
| reg = <0x03210000 0x2000>; |
| wcd938x_rx: codec@0,4 { |
| compatible = "sdw20217010d00"; |
| reg = <0 4>; |
| qcom,rx-port-mapping = <1 2 3 4 5>; |
| }; |
| }; |
| |
| soundwire@3230000 { |
| #address-cells = <2>; |
| #size-cells = <0>; |
| reg = <0x03230000 0x2000>; |
| wcd938x_tx: codec@0,3 { |
| compatible = "sdw20217010d00"; |
| reg = <0 3>; |
| qcom,tx-port-mapping = <2 3 4 5>; |
| }; |
| }; |
| |
| ... |
