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