linux-kernel - [PATCH] dt-bindings: serial: renesas,rsci: Document RZ/V2H(P) and RZ/V2N SoCs

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Message-ID: <20251222162909.155279-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Mon, 22 Dec 2025 16:29:09 +0000
From: Prabhakar <prabhakar.csengg@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>
Cc: linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH] dt-bindings: serial: renesas,rsci: Document RZ/V2H(P) and RZ/V2N SoCs

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

Document the serial communication interface (RSCI) used on the Renesas
RZ/V2H(P) (R9A09G057) and RZ/V2N (R9A09G056) SoCs. These SoCs integrate
the same RSCI IP block as the RZ/G3E (R9A09G047), so the RZ/G3E
compatible is used as a fallback for both.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 Documentation/devicetree/bindings/serial/renesas,rsci.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/renesas,rsci.yaml b/Documentation/devicetree/bindings/serial/renesas,rsci.yaml
index 1f8cee8171de..e059b14775eb 100644
--- a/Documentation/devicetree/bindings/serial/renesas,rsci.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,rsci.yaml
@@ -17,6 +17,12 @@ properties:
           - renesas,r9a09g047-rsci # RZ/G3E
           - renesas,r9a09g077-rsci # RZ/T2H
 
+      - items:
+          - enum:
+              - renesas,r9a09g056-rsci # RZ/V2N
+              - renesas,r9a09g057-rsci # RZ/V2H(P)
+          - const: renesas,r9a09g047-rsci
+
       - items:
           - const: renesas,r9a09g087-rsci # RZ/N2H
           - const: renesas,r9a09g077-rsci # RZ/T2H
-- 
2.52.0