[PATCH v3.1] dt-bindings: display: renesas, du: Provide bindings for r8a779a0

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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>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>

---
v2:
 - Collected Laurent's tag
 - Remove clock-names requirement
 - Specify only a single clock

v3:
 - Use clocknames: 'du.0' instead of 'du' to remain consistent

v3.1:
 - Require clock-names
 - Collect Geert's tag

 .../bindings/display/renesas,du.yaml          | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml
index e3ca5389c17d..13efea574584 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 +774,56 @@ 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.0
+
+        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:
+        - clock-names
+        - interrupts
+        - resets
+        - reset-names
+        - renesas,vsps
+
 additionalProperties: false
 
 examples:
-- 
2.30.2




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