linux-kernel - [PATCH 05/17] dt-bindings: display: renesas,rzg2l-du: Add support for RZ/V2H(P) SoC

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Message-ID: <20250330210717.46080-6-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Sun, 30 Mar 2025 22:07:01 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Biju Das <biju.das.jz@...renesas.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-media@...r.kernel.org,
	linux-clk@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH 05/17] dt-bindings: display: renesas,rzg2l-du: Add support for RZ/V2H(P) SoC

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

The DU block on the RZ/V2H(P) SoC is identical to the one found on the
RZ/G2L SoC. However, it only supports the DSI interface, whereas the
RZ/G2L supports both DSI and DPI interfaces.

Due to this difference, a SoC-specific compatible string
'renesas,r9a09g057-du' is added for the RZ/V2H(P) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 .../bindings/display/renesas,rzg2l-du.yaml    | 28 ++++++++++++++++---
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
index 95e3d5e74b87..5c666b6123ff 100644
--- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
+++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
@@ -20,6 +20,7 @@ properties:
       - enum:
           - renesas,r9a07g043u-du # RZ/G2UL
           - renesas,r9a07g044-du # RZ/G2{L,LC}
+          - renesas,r9a09g057-du # RZ/V2H(P)
       - items:
           - enum:
               - renesas,r9a07g054-du    # RZ/V2L
@@ -87,6 +88,23 @@ required:
 additionalProperties: false
 
 allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a07g044-du
+    then:
+      properties:
+        ports:
+          properties:
+            port@0:
+              description: DSI
+            port@1:
+              description: DPI
+
+          required:
+            - port@0
+            - port@1
   - if:
       properties:
         compatible:
@@ -101,18 +119,20 @@ allOf:
 
           required:
             - port@0
-    else:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a09g057-du
+    then:
       properties:
         ports:
           properties:
             port@0:
               description: DSI
-            port@1:
-              description: DPI
 
           required:
             - port@0
-            - port@1
 
 examples:
   # RZ/G2L DU
-- 
2.49.0