* [PATCH] dt-bindings: display: rockchip: Allow single 'port' node for DP input port
@ 2026-11-09 18:47 Rob Herring (Arm)
0 siblings, 0 replies; only message in thread
From: Rob Herring (Arm) @ 2026-11-09 18:47 UTC (permalink / raw)
To: Sandy Huang, Heiko Stübner, Andy Yan, David Airlie,
Simona Vetter, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, Krzysztof Kozlowski, Conor Dooley
Cc: Andy Yan, dri-devel, linux-rockchip, devicetree,
linux-arm-kernel, linux-kernel
Existing RK3399 users have only a single 'port' node. This was common before
connector nodes were defined. Allow for this since there are already stable
users.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
.../rockchip/rockchip,rk3399-cdn-dp.yaml | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3399-cdn-dp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3399-cdn-dp.yaml
index 195f665970bf..425b27346132 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3399-cdn-dp.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3399-cdn-dp.yaml
@@ -63,7 +63,12 @@ properties:
$ref: /schemas/graph.yaml#/properties/ports
properties:
- port@0:
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Output of the CDN DP
+
+ patternProperties:
+ '^port(@0)?$':
$ref: /schemas/graph.yaml#/properties/port
description: Input of the CDN DP
@@ -74,13 +79,11 @@ properties:
endpoint@1:
description: Connection to the VOPL
- port@1:
- $ref: /schemas/graph.yaml#/properties/port
- description: Output of the CDN DP
-
- required:
- - port@0
- - port@1
+ oneOf:
+ - required:
+ - port@0
+ - required:
+ - port
power-domains:
maxItems: 1
--
2.53.0
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