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[v2,3/8] ASoC: dt-bindings: wcd937x-sdw: add bindings for wcd937x-sdw

Message ID 20240416063600.309747-4-quic_mohs@quicinc.com
State New
Headers show
Series ASoC: codecs: wcd937x: add wcd937x audio codec support | expand

Commit Message

Mohammad Rafi Shaik April 16, 2024, 6:35 a.m. UTC 
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 devices RX and
TX respectively.
This binding is for those slave devices on WCD9370/WCD9375.

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-sdw.yaml      | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
new file mode 100644
index 000000000000..2b7358e266ba
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
@@ -0,0 +1,71 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,wcd937x-sdw.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SoundWire Slave devices on WCD9370
+
+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. This bindings is for the
+  slave devices.
+
+properties:
+  compatible:
+    const: sdw20217010a00
+
+  reg:
+    maxItems: 1
+
+  qcom,tx-port-mapping:
+    description: |
+      Specifies static port mapping between slave and master tx ports.
+      In the order of slave port index.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 4
+    maxItems: 4
+
+  qcom,rx-port-mapping:
+    description: |
+      Specifies static port mapping between slave and master rx ports.
+      In the order of slave port index.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 5
+    maxItems: 5
+
+required:
+  - compatible
+  - reg
+  - qcom,port-mapping
+
+additionalProperties: false
+
+examples:
+  - |
+    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>;
+        };
+    };
+
+...