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Message-ID: <e2fe2bff5acbd17f1dc618606c8def4f8d013a1e.1769789834.git.tommaso.merciai.xr@bp.renesas.com>
Date: Fri, 30 Jan 2026 18:25:06 +0100
From: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
To: tomm.merciai@...il.com,
geert@...ux-m68k.org,
laurent.pinchart@...asonboard.com
Cc: linux-renesas-soc@...r.kernel.org,
biju.das.jz@...renesas.com,
Tommaso Merciai <tommaso.merciai.xr@...renesas.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>,
Simona Vetter <simona@...ll.ch>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Magnus Damm <magnus.damm@...il.com>,
Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org
Subject: [PATCH v2 09/20] dt-bindings: display: renesas,rzg2l-du: Add support for RZ/G3E SoC
The RZ/G3E Soc has 2 LCD controller (LCDC), contain a Frame Compression
Processor (FCPVD), a Video Signal Processor (VSPD), Video Signal
Processor (VSPD), and Display Unit (DU).
- LCDC0 supports DSI and LVDS (single or dual-channel) outputs.
- LCDC1 supports DSI, LVDS (single-channel), and RGB outputs.
Add new SoC-specific compatible string 'renesas,r9a09g047-du'.
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
---
v1->v2:
- Use single compatible string instead of multiple compatible strings
for the two DU instances, leveraging a 'renesas,id' property to
differentiate between DU0 and DU1.
- Updated commit message accordingly.
.../bindings/display/renesas,rzg2l-du.yaml | 54 +++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
index 2cc66dcef870..55e3fcff7030 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,r9a09g047-du # RZ/G3E
- renesas,r9a09g057-du # RZ/V2H(P)
- items:
- enum:
@@ -53,6 +54,12 @@ properties:
power-domains:
maxItems: 1
+ renesas,id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+ description: |
+ DU instance number.
+
ports:
$ref: /schemas/graph.yaml#/properties/ports
description: |
@@ -137,6 +144,53 @@ allOf:
required:
- port@0
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,r9a09g047-du
+ then:
+ required:
+ - renesas,id
+ if:
+ properties:
+ renesas,id:
+ const: 0
+ then:
+ properties:
+ ports:
+ properties:
+ port@0:
+ description: DSI
+ port@1:
+ description: LVDS 0, Channel 0
+ port@2:
+ description: LVDS 0, Channel 1
+
+ required:
+ - port@0
+ - port@1
+ - port@2
+ else:
+ if:
+ properties:
+ renesas,id:
+ const: 1
+ then:
+ properties:
+ ports:
+ properties:
+ port@0:
+ description: DSI
+ port@1:
+ description: LVDS 1, Channel 0
+ port@3:
+ description: DPAD
+
+ required:
+ - port@0
+ - port@1
+ - port@3
examples:
# RZ/G2L DU
--
2.43.0
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