[PATCH v9 RESEND 3/5] dt-bindings: display: renesas, rzg2l-du: Document RZ/V2L DU bindings

[Biju Das]

Document DU found in RZ/V2L SoC. The DU block is identical to RZ/G2L
SoC and therefore use RZ/G2L fallback to avoid any driver changes.

Signed-off-by: Biju Das <biju.das.jz at bp.renesas.com>
Reviewed-by: Rob Herring <robh at kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
V8->v9:
 * Added Rb tag from Laurent and Geert.
v7->v8:
 * Fixed the typo vsp2->du
 * Added Rb tag from Rob as the change is trivial.
v7:
 * New patch.
---
 .../devicetree/bindings/display/renesas,rzg2l-du.yaml    | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
index ab99e7d57a7d..98686ea84d53 100644
--- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
+++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
@@ -16,8 +16,13 @@ description: |
 
 properties:
   compatible:
-    enum:
-      - renesas,r9a07g044-du # RZ/G2{L,LC}
+    oneOf:
+      - enum:
+          - renesas,r9a07g044-du # RZ/G2{L,LC}
+      - items:
+          - enum:
+              - renesas,r9a07g054-du    # RZ/V2L
+          - const: renesas,r9a07g044-du # RZ/G2L fallback
 
   reg:
     maxItems: 1
-- 
2.25.1