From: "Rob Herring (Arm)" <robh@kernel.org>
To: "Sandy Huang" <hjc@rock-chips.com>,
"Heiko Stübner" <heiko@sntech.de>, "Andy Yan" <andyshrk@163.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>
Cc: Andy Yan <andy.yan@rock-chip.com>,
dri-devel@lists.freedesktop.org,
linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] dt-bindings: display: rockchip: Allow single 'port' node for DP input port
Date: Mon, 9 Nov 2026 12:47:58 -0600 [thread overview]
Message-ID: <20261109184759.467215-1-robh@kernel.org> (raw)
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
reply other threads:[~2026-11-09 18:48 UTC|newest]
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