[PATCH 6/9] dt-bindings: msm/dp: handle DP vs eDP difference

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The #sound-dai-cells property should be used only for DP controllers. It
doesn't make sense for eDP, there is no support for audio output. Also
aux-bus should not be used for DP controllers. Take care of these
differences.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 .../bindings/display/msm/dp-controller.yaml   | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index 1ef845005b14..491f4aefe0db 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -107,7 +107,6 @@ required:
   - clock-names
   - phys
   - phy-names
-  - "#sound-dai-cells"
   - power-domains
   - ports
 
@@ -155,6 +154,24 @@ allOf:
             - const: ctrl_link_iface
             - const: stream_pixel
 
+  # AUX BUS does not exist on DP controllers
+  # Audio output also is present only on DP output
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sc7280-edp
+              - qcom,sc8180x-edp
+    then:
+      properties:
+        "#sound-dai-cells": false
+    else:
+      properties:
+        aux-bus: false
+      required:
+        - "#sound-dai-cells"
+
 additionalProperties: false
 
 examples:
-- 
2.35.1




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