[PATCH v6 09/21] dt-bindings: display: renesas,rzg2l-du: Refuse port@1 for RZ/G2UL

Tommaso Merciai
2026-04-08T10:39:03Z

The RZ/G2UL DU supports only a single port@0 DPI. Explicitly refuse
port@1 in the ports node.

Fixes: 2ef7cb1cea7d ("dt-bindings: display: renesas,rzg2l-du: Document RZ/G2UL DU bindings")
Cc: stable@vger.kernel.org
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
---
v5->v6:
- New patch.

Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml | 1 +
1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
index 2cc66dcef870..5add3b832eab 100644
--- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
+++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
@@ -102,6 +102,7 @@ allOf:
properties:
port@0:
description: DPI
+ port@1: false

required:
- port@0
--
2.43.0