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Wed, 24 Dec 2025 09:33:31 -0800 (PST) Received: from iku.Home ([2a06:5906:61b:2d00:3371:7b65:aaf4:d2e4]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4324ea1af20sm33237553f8f.2.2025.12.24.09.33.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Dec 2025 09:33:31 -0800 (PST) From: Prabhakar X-Google-Original-From: Prabhakar To: Marc Kleine-Budde , Vincent Mailhol , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Biju Das Cc: linux-can@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 3/4] dt-bindings: can: renesas,rcar-canfd: Document RZ/T2H and RZ/N2H SoCs Date: Wed, 24 Dec 2025 17:33:23 +0000 Message-ID: <20251224173324.3393675-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251224173324.3393675-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20251224173324.3393675-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Document the CAN-FD controller used on the RZ/T2H and RZ/N2H SoCs. The CAN-FD IP is largely compatible with the R-Car Gen4 block, but differs in that AFLPN and CFTML are different, there is no reset line for the IP, and it only supports two channels. Signed-off-by: Lad Prabhakar --- .../bindings/net/can/renesas,rcar-canfd.yaml | 26 ++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.y= aml b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml index 393b0a15c7b3..a4c6b2002127 100644 --- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml +++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml @@ -50,6 +50,12 @@ properties: - renesas,r9a09g057-canfd # RZ/V2H(P) - const: renesas,r9a09g047-canfd =20 + - const: renesas,r9a09g077-canfd # RZ/T2H + + - items: + - const: renesas,r9a09g087-canfd # RZ/N2H + - const: renesas,r9a09g077-canfd + reg: maxItems: 1 =20 @@ -166,7 +172,6 @@ required: - clocks - clock-names - power-domains - - resets - assigned-clocks - assigned-clock-rates - channel0 @@ -246,11 +251,30 @@ allOf: required: - reset-names =20 + - if: + properties: + compatible: + contains: + const: renesas,r9a09g077-canfd + then: + properties: + interrupts: + maxItems: 8 + + interrupt-names: + maxItems: 8 + + resets: false + else: + required: + - resets + - if: properties: compatible: contains: enum: + - renesas,r9a09g077-canfd - renesas,rcar-gen3-canfd - renesas,rzg2l-canfd then: --=20 2.52.0