[PATCH v2] dt-bindings: display: renesas,du: Provide bindings for r8a779a0

From: Kieran Bingham
Date: Wed Sep 01 2021 - 19:37:41 EST


From: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>

Extend the Renesas DU display bindings to support the r8a779a0 V3U.

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
---
v2:
- Collected Laurent's tag
- Remove clock-names requirement
- Specify only a single clock

.../bindings/display/renesas,du.yaml | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml
index e3ca5389c17d..a6f7ef30fbb4 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.yaml
+++ b/Documentation/devicetree/bindings/display/renesas,du.yaml
@@ -39,6 +39,7 @@ properties:
- renesas,du-r8a77980 # for R-Car V3H compatible DU
- renesas,du-r8a77990 # for R-Car E3 compatible DU
- renesas,du-r8a77995 # for R-Car D3 compatible DU
+ - renesas,du-r8a779a0 # for R-Car V3U compatible DU

reg:
maxItems: 1
@@ -773,6 +774,55 @@ allOf:
- reset-names
- renesas,vsps

+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - renesas,du-r8a779a0
+ then:
+ properties:
+ clocks:
+ items:
+ - description: Functional clock
+
+ clock-names:
+ maxItems: 1
+ items:
+ - const: du
+
+ interrupts:
+ maxItems: 2
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ items:
+ - const: du.0
+
+ ports:
+ properties:
+ port@0:
+ description: DSI 0
+ port@1:
+ description: DSI 1
+ port@2: false
+ port@3: false
+
+ required:
+ - port@0
+ - port@1
+
+ renesas,vsps:
+ minItems: 2
+
+ required:
+ - interrupts
+ - resets
+ - reset-names
+ - renesas,vsps
+
additionalProperties: false

examples:
--
2.30.2