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 | 127 ++++++++++++++++++ 1 file changed, 127 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..81c8957145d6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml @@ -0,0 +1,127 @@ +# 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: + const: sdw20217010d00 + + reg: + maxItems: 1 + + reset-gpios: + description: GPIO spec for reset line to use + maxItems: 1 + + direction: + oneOf: + - const: rx + - const: tx + + 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,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 Gound switch type is normally closed! + type: boolean + + qcom,mbhc-vthreshold: + description: | + Voltage threshold values for all the headset buttons + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 8 + maxItems: 8 + + qcom,port-mapping: + description: | + Specifies static port mapping between slave and master ports. + In the order of slave port index. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 4 + maxItems: 5 + + '#sound-dai-cells': + const: 1 + +required: + - compatible + - reg + - reset-gpios + - qcom,micbias1-microvolt + - qcom,micbias2-microvolt + - qcom,micbias3-microvolt + - qcom,micbias4-microvolt + - qcom,port-mapping + - qcom,mbhc-hphl-switch + - qcom,mbhc-ground-switch + - qcom,mbhc-vthreshold + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + soundwire@3230000 { + #address-cells = <2>; + #size-cells = <0>; + reg = <0x03230000 0x2000>; + + codec@0,3 { + compatible = "sdw20217010d00"; + reg = <0 3>; + reset-gpios = <&tlmm 32 0>; + direction = "tx"; + #sound-dai-cells = <1>; + 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-vthreshold = <75 150 237 500 500 500 500 500>; + qcom,port-mapping = <2 3 4 5>; + }; + }; + +... -- 2.21.0
