Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC connected over SoundWire. This device has two SoundWire device RX and TX respectively, supporting 4 x ADCs, ClassH, Ear, Aux PA, 2xHPH, 7 x TX diff inputs, 8 DMICs, MBHC. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> --- .../bindings/sound/qcom,wcd938x.yaml | 176 ++++++++++++++++++ 1 file changed, 176 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml new file mode 100644 index 000000000000..4c8fa8290af0 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml @@ -0,0 +1,176 @@ +# 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@xxxxxxxxxx> + +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 + maxItems: 1 + description: A reference to Soundwire tx device phandle + + qcom,rx-device: + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + 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,mbhc-hphl-switch: + description: Indicates that HPHL switch type is normally closed + type: boolean + + qcom,mbhc-ground-switch: + description: Indicates that Headset Ground switch type is normally closed + type: boolean + + qcom,mbhc-button0-vthreshold-microvolt: + description: Voltage threshold value headset button0 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button1-vthreshold-microvolt: + description: Voltage threshold value headset button1 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button2-vthreshold-microvolt: + description: Voltage threshold value headset button2 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button3-vthreshold-microvolt: + description: Voltage threshold value headset button3 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button4-vthreshold-microvolt: + description: Voltage threshold value headset button4 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button5-vthreshold-microvolt: + description: Voltage threshold value headset button5 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button6-vthreshold-microvolt: + description: Voltage threshold value headset button6 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button7-vthreshold-microvolt: + description: Voltage threshold value headset button7 + minimum: 0 + maximum: 500000 + + '#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 + - qcom,mbhc-hphl-switch + - qcom,mbhc-ground-switch + - "#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,mbhc-hphl-switch; + qcom,mbhc-ground-switch; + qcom,mbhc-button0-vthreshold-microvolt = <75000>; + qcom,mbhc-button1-vthreshold-microvolt = <150000>; + qcom,mbhc-button2-vthreshold-microvolt = <237000>; + qcom,mbhc-button3-vthreshold-microvolt = <500000>; + qcom,mbhc-button5-vthreshold-microvolt = <500000>; + qcom,mbhc-button6-vthreshold-microvolt = <500000>; + qcom,mbhc-button7-vthreshold-microvolt = <500000>; + }; + + /* ... */ + + soundwire@3230000 { + #address-cells = <2>; + #size-cells = <0>; + reg = <0x03230000 0x2000>; + wcd938x_tx: codec@0,3 { + compatible = "sdw20217010d00"; + reg = <0 3>; + qcom,direction = "tx"; + qcom,port-mapping = <2 3 4 5>; + }; + + wcd938x_rx: codec@0,4 { + compatible = "sdw20217010d00"; + reg = <0 4>; + qcom,direction = "rx"; + qcom,port-mapping = <1 2 3 4 5>; + }; + + }; + +... -- 2.21.0
