[PATCH 2/6] ASoC: dt-bindings: qcom,q6afe: Document q6usb subnode

[Luca Weiss]

Document the subnode for Q6USB, used for USB audio offloading.

Cc: Wesley Cheng <quic_wch...@quicinc.com>
Signed-off-by: Luca Weiss <luca.we...@fairphone.com>
---
 Documentation/devicetree/bindings/sound/qcom,q6afe.yaml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/qcom,q6afe.yaml 
b/Documentation/devicetree/bindings/sound/qcom,q6afe.yaml
index 
297aa362aa54ab41a956b3ceda73d4c7027d72a7..268f7073d7972da2ef46d36264c0f7d8f648071b
 100644
--- a/Documentation/devicetree/bindings/sound/qcom,q6afe.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.yaml
@@ -29,6 +29,12 @@ properties:
     unevaluatedProperties: false
     description: Qualcomm DSP audio ports
 
+  usbd:
+    type: object
+    $ref: /schemas/sound/qcom,q6usb.yaml#
+    unevaluatedProperties: false
+    description: Qualcomm DSP USB audio ports
+
 required:
   - compatible
   - dais
@@ -64,5 +70,12 @@ examples:
                     qcom,sd-lines = <0 1 2 3>;
                 };
             };
+
+            usbd {
+                compatible = "qcom,q6usb";
+                #sound-dai-cells = <1>;
+                iommus = <&apps_smmu 0x180f 0x0>;
+                qcom,usb-audio-intr-idx = /bits/ 16 <2>;
+            };
         };
     };

-- 
2.49.0