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. The
aux-bus should not be used for DP controllers. Also p1 MMIO region
should be used only for DP controllers.
Take care of these differences.
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
.../bindings/display/msm/dp-controller.yaml | 26 ++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index 52cbf00df0ba..f2515af8256f 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -24,6 +24,7 @@ properties:
- qcom,sm8350-dp
reg:
+ minItems: 4
items:
- description: ahb register block
- description: aux register block
@@ -112,10 +113,33 @@ required:
- clock-names
- phys
- phy-names
- - "#sound-dai-cells"
- power-domains
- ports
+allOf:
+ # AUX BUS does not exist on DP controllers
+ # Audio output also is present only on DP output
+ # p1 regions is present on DP, but not on eDP
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sc7280-edp
+ - qcom,sc8180x-edp
+ then:
+ properties:
+ "#sound-dai-cells": false
+ reg:
+ maxItems: 4
+ else:
+ properties:
+ aux-bus: false
+ reg:
+ minItems: 5
+ required:
+ - "#sound-dai-cells"
+
additionalProperties: false
examples:
--
2.35.1
