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[1/7] dt-bindings: display: renesas, du: Document r9a07g044l bindings

Message ID 20220312215417.8023-2-biju.das.jz@bp.renesas.com (mailing list archive)
State New, archived
Headers show
Series Add RZ/G2L Display support | expand

Commit Message

Biju Das March 12, 2022, 9:54 p.m. UTC 
Extend the Renesas DU display bindings to support the r9a07g044l
RZ/G2L LCDC.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
RFC->v1:
 * Changed  minItems->maxItems for renesas,vsps.
RFC:
 https://patchwork.kernel.org/project/linux-renesas-soc/patch/20220112174612.10773-18-biju.das.jz@bp.renesas.com/
---
 .../bindings/display/renesas,du.yaml          | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml
index 13efea574584..cdd54ea32401 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.yaml
+++ b/Documentation/devicetree/bindings/display/renesas,du.yaml
@@ -40,6 +40,7 @@  properties:
       - 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
+      - renesas,du-r9a07g044l # for RZ/G2L compatible DU
 
   reg:
     maxItems: 1
@@ -824,6 +825,59 @@  allOf:
         - reset-names
         - renesas,vsps
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,du-r9a07g044l
+    then:
+      properties:
+        clocks:
+          items:
+            - description: LCDC Main clock
+            - description: LCDC Register Access Clock
+            - description: LCDC Video Clock
+
+        clock-names:
+          items:
+            - const: du.0
+            - const: pclk
+            - const: vclk
+
+        interrupts:
+          maxItems: 1
+
+        resets:
+          maxItems: 1
+
+        reset-names:
+          items:
+            - const: du.0
+
+        ports:
+          properties:
+            port@0:
+              description: DPAD 0
+            port@1:
+              description: DSI 0
+            port@2: false
+            port@3: false
+
+          required:
+            - port@0
+            - port@1
+
+        renesas,vsps:
+          maxItems: 1
+
+      required:
+        - clock-names
+        - interrupts
+        - resets
+        - reset-names
+        - renesas,vsps
+
 additionalProperties: false
 
 examples: