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 <[email protected]>
---
.../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 <[email protected]>
+
+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,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>;
+ };
+ };
+
+...
--
2.21.0
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 <[email protected]>
> ---
> .../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 <[email protected]>
> +
> +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 <[email protected]>
> + 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>;
> + };
> + };
> +
> +...
> --
> 2.21.0
>