On Tue, May 18, 2021 at 03:37:51PM +0100, Srinivas Kandagatla wrote:
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@linaro.org
.../bindings/sound/qcom,wcd938x.yaml | 148 ++++++++++++++++++ 1 file changed, 148 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..b04c5e90e283 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml @@ -0,0 +1,148 @@ +# 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
Only 1 and no args, so just 'phandle'.
- maxItems: 1
And drop this.
- description: A reference to Soundwire tx device phandle
- qcom,rx-device:
- $ref: /schemas/types.yaml#/definitions/phandle-array
- maxItems: 1
And here.
With that,
Reviewed-by: Rob Herring robh@kernel.org
- 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 headsetbutton0 - 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>;};- };
+...
2.21.0