[PATCH v2 1/8] ASoC: dt-bindings: wcd937x: add bindings for wcd937x

Mohammad Rafi Shaik
2024-04-16T06:36:52Z

From: Prasad Kumpatla <quic_pkumpatl@quicinc.com>

Qualcomm WCD9370/WCD9375 Codec is a standalone Hi-Fi audio codec IC
connected over SoundWire. This device has two SoundWire device RX and
TX respectively, supporting 3 x ADCs, ClassH, Ear, Aux PA, 2xHPH,
6 DMICs, MBHC.

Co-developed-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Prasad Kumpatla <quic_pkumpatl@quicinc.com>
---
.../bindings/sound/qcom,wcd937x.yaml | 119 ++++++++++++++++++
1 file changed, 119 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd937x.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd937x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd937x.yaml
new file mode 100644
index 000000000000..b45f823af04f
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd937x.yaml
@@ -0,0 +1,119 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,wcd937x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm WCD9370 Audio Codec
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description: |
+ Qualcomm WCD9370 Codec is a standalone Hi-Fi audio codec IC.
+ It has RX and TX Soundwire slave devices.
+
+properties:
+ compatible:
+ enum:
+ - qcom,wcd9370-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-px-supply:
+ description: A reference to the 1.8V I/O supply
+
+ vdd-mic-bias-supply:
+ description: A reference to the 3.8V mic bias supply
+
+ qcom,tx-device:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description: A reference to Soundwire tx device phandle
+
+ qcom,rx-device:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ 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
+
+ '#sound-dai-cells':
+ const: 1
+
+required:
+ - compatible
+ - reset-gpios
+ - qcom,tx-device
+ - qcom,rx-device
+ - qcom,micbias1-microvolt
+ - qcom,micbias2-microvolt
+ - qcom,micbias3-microvolt
+ - "#sound-dai-cells"
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ codec {
+ compatible = "qcom,wcd9370-codec";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&wcd_reset_n>;
+ pinctrl-1 = <&wcd_reset_n_sleep>;
+ reset-gpios = <&tlmm 83 0>;
+ vdd-buck-supply = <&vreg_l17b_1p8>;
+ vdd-rxtx-supply = <&vreg_l18b_1p8>;
+ vdd-px-supply = <&vreg_l18b_1p8>;
+ vdd-mic-bias-supply = <&vreg_bob>;
+ qcom,micbias1-microvolt = <1800000>;
+ qcom,micbias2-microvolt = <1800000>;
+ qcom,micbias3-microvolt = <1800000>;
+ qcom,rx-device = <&wcd937x_rx>;
+ qcom,tx-device = <&wcd937x_tx>;
+ #sound-dai-cells = <1>;
+ };
+
+ /* ... */
+
+ soundwire@3210000 {
+ #address-cells = <2>;
+ #size-cells = <0>;
+ reg = <0x03210000 0x2000>;
+ wcd937x_rx: codec@0,4 {
+ compatible = "sdw20217010a00";
+ reg = <0 4>;
+ qcom,rx-port-mapping = <1 2 3 4 5>;
+ };
+ };
+
+ soundwire@3230000 {
+ #address-cells = <2>;
+ #size-cells = <0>;
+ reg = <0x03230000 0x2000>;
+ wcd937x_tx: codec@0,3 {
+ compatible = "sdw20217010a00";
+ reg = <0 3>;
+ qcom,tx-port-mapping = <2 3 4 5>;
+ };
+ };
+
+...
--
2.25.1