[PATCH v3 1/4] ASoC: dt-bindings: qcom,wcd937x: Add USB-C graph properties

[Val Packett <val@packett.cool>]

This codec can be used with a USB-C SBU mux to support analog headphone
adapters. Describe the mode-switch, orientation-switch and port
properties similarly to wcd939x.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Val Packett <val@packett.cool>
---
 .../devicetree/bindings/sound/qcom,wcd937x.yaml   | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd937x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd937x.yaml
index f94203798f24..f15b9a9d90b1 100644
--- a/Documentation/devicetree/bindings/sound/qcom,wcd937x.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd937x.yaml
@@ -25,6 +25,21 @@ properties:
           - const: qcom,wcd9375-codec
           - const: qcom,wcd9370-codec
 
+  mode-switch:
+    description: Flag the port as possible handler of altmode switching
+    type: boolean
+
+  orientation-switch:
+    description: Flag the port as possible handler of orientation switching
+    type: boolean
+
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description:
+      A port node to link the WCD937x Codec node to an external USB-C MUX IC for
+      handling altmode muxing and orientation switching to detect and enable
+      Audio Accessory Mode.
+
   vdd-px-supply:
     description: A reference to the 1.8V I/O supply
 
-- 
2.55.0