[PATCH v6 20/27] dt-bindings: allwinner: add H616 DE33 bus binding

Ryan Walklin
2025-02-16T08:58:14Z

The Allwinner H616 and variants have a new display engine revision
(DE33).

Add a display engine bus binding for the DE33 and increase reg maxItems
to 3 to accommodate additional register blocks.

Signed-off-by: Ryan Walklin <ryan@testtoast.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>

---
Changelog v1..v2:
- Correct DE2 bus enum to reflect fallback devices accurately.

Changelog v2..v3:
- Separate content into three patches for three separate subsystems

Changelog v5..v6:
- Increase reg maxItems to 3.
---
.../devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml b/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
index 9845a187bdf65..317a27cf590b3 100644
--- a/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
+++ b/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
@@ -24,11 +24,14 @@ properties:
oneOf:
- const: allwinner,sun50i-a64-de2
- items:
- - const: allwinner,sun50i-h6-de3
+ - enum:
+ - allwinner,sun50i-h6-de3
+ - allwinner,sun50i-h616-de33
- const: allwinner,sun50i-a64-de2

reg:
- maxItems: 1
+ minItems: 1
+ maxItems: 3

allwinner,sram:
description:
--
2.48.1