According to Documentation/devicetree/bindings/display/dp-aux-bus.yaml,
it is a good way to get panel through the DP AUX bus.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org>
Signed-off-by: Damon Ding <damon.d...@rock-chips.com>

Changes in v4:
- Move the dt-bindings commit before related driver commits
---
 .../bindings/display/rockchip/rockchip,analogix-dp.yaml        | 3 +++
 1 file changed, 3 insertions(+)

diff --git 
a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml 
b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
index 200703905b29..e0434cc6e43a 100644
--- 
a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
+++ 
b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
@@ -46,6 +46,9 @@ properties:
     description:
       This SoC makes use of GRF regs.
 
+  aux-bus:
+    $ref: /schemas/display/dp-aux-bus.yaml#
+
 required:
   - compatible
   - clocks
-- 
2.34.1

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