[PATCH v2 07/16] dt-bindings: display: renesas,rzg2l-du: Document RZ/G3L SoC

From: Biju

Date: Wed Jul 29 2026 - 09:28:28 EST


From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>

The DU block on the RZ/G3L SoC is identical to the one found on the RZ/G2L
SoC. However, it supports the DSI, DPI, and LVDS interfaces, while the
RZ/G2L supports only the DSI and DPI interfaces.

Due to this difference, a SoC-specific compatible string,
'renesas,r9a08g046-du', is added for the RZ/G3L SoC.

Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
v1->v2:
* Restored ports.
* Replaced endpoint with port in ports node.
---
.../bindings/display/renesas,rzg2l-du.yaml | 26 ++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
index 7c84a9ecc7a7..5c9b15a09dee 100644
--- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
+++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
@@ -20,6 +20,7 @@ properties:
- enum:
- renesas,r9a07g043u-du # RZ/G2UL
- renesas,r9a07g044-du # RZ/G2{L,LC}
+ - renesas,r9a08g046-du # RZ/G3L
- renesas,r9a09g057-du # RZ/V2H(P)
- renesas,r9a09g077-du # RZ/T2H
- items:
@@ -65,7 +66,7 @@ properties:
model-dependent. Each port shall have a single endpoint.

patternProperties:
- "^port@[0-1]$":
+ "^port@[0-2]$":
$ref: /schemas/graph.yaml#/properties/port
unevaluatedProperties: false

@@ -108,6 +109,7 @@ allOf:
port@0:
description: DPI
port@1: false
+ port@2: false

required:
- port@0
@@ -124,10 +126,31 @@ allOf:
description: DSI
port@1:
description: DPI
+ port@2: false

required:
- port@0
- port@1
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,r9a08g046-du
+ then:
+ properties:
+ ports:
+ properties:
+ port@0:
+ description: DSI
+ port@1:
+ description: DPI
+ port@2:
+ description: LVDS
+
+ required:
+ - port@0
+ - port@1
+ - port@2
- if:
properties:
compatible:
@@ -140,6 +163,7 @@ allOf:
port@0:
description: DSI
port@1: false
+ port@2: false

required:
- port@0
--
2.43.0