From nobody Wed Feb 11 00:59:04 2026 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2F4E33D4E1 for ; Wed, 24 Dec 2025 17:52:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766598745; cv=none; b=MZiufRNCgT0QgkZ6E9HbwZiKTiDAE37D8SHUuEKQMnOfcFh1XkX/mqrE8+TP1N5UzcKoAOBWtx7U2Thqow7yVq5sqT+Xl0KGFX6MoEWeDvfd0ng/0mDMdTw3DdTvaxdDZbZILKBB/W2RrEHErLfX01kBalUwBD4LbUYz0zFsP2s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766598745; c=relaxed/simple; bh=KlmvVYidi/b+GF8gj7jC9Ui3l0jxyM6Tto7halMyMdI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I8LJWBT1n0qhiGwRb7FbdKJOFEImiLpHmEVxJbs0OYHkxyO6dZ0YzCsb/U9kTv2ynh3BQs9RN8hVtauXDnZUxxW3y8+oShgDsCNMt1dVYoTYejYPskny9HBRkPbu2HW/smYqEHnZRfd9KxmPJs6dqzp49vgRbWc/pr25H+idDd8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=U7iMFGNc; arc=none smtp.client-ip=209.85.128.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="U7iMFGNc" Received: by mail-wm1-f54.google.com with SMTP id 5b1f17b1804b1-47774d3536dso48052825e9.0 for ; Wed, 24 Dec 2025 09:52:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1766598742; x=1767203542; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=gaOIXxrqQCngZffYscFSrUnSSaaW8h0KY7Aw0tMh0SQ=; b=U7iMFGNc521A575PHnsitwEUeFpDRvHMZ+4hi/nbzvrCBa1GACmNBiJiTpCY0ScDim urTydiX2Xx733E5LylnXy52sHfCTaeiW52Brm9IgbNDw8mchWnNziN6QEY+XMuwS+fJO BEXq/wMvj/OM4VQf0Y7PNFhAvZFXLmk2MJhULRNQbfSx7Upk+GjPu4Icl+z650zK8Ol/ J4FerNPJKrfppfOTpIxRCt0friCdhVf8wJ5N60VSghVU4MZiZmKbn9K52/Cgt2m1zDm8 9eTCQmtDF73+v7pvnTXxTJQb/gqAucyipHKsm1wCvnZiK+Ii5HkEBjmdaNGMzlM0Ywz+ sQFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766598742; x=1767203542; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=gaOIXxrqQCngZffYscFSrUnSSaaW8h0KY7Aw0tMh0SQ=; b=qgMo0VkusHF/ssdi+yxPyArJr+EqPXXFNIRXXyuf2McMhCr8XYyRXhZ/j6ovwqpFPx BjS8/NJXIxCGcu98LqDy26FCjNRpLj2+0g/tksH/yGESdFtnycGGVdvvt9+3hZZ/gNSU gusT/gPR3KvIZk3HzKi2Hq0cmV8UTtO6W0iJOsGh/jSAvCEv5wpxe+/UsWCKXa8Q6xGw QP+Z2Y5mzuN2qNwcgwRZ3NoFGosLogWe1ocqzRrw9JmyhMcmtx8DlIMnevCZzZ1JZEgQ CuXrBs34SbI45d1mH9lLtgv3iYeJRoaMb8TKLgva2ySto9Ny5PmVE1ZHk6uWdFdjDzf5 en7A== X-Forwarded-Encrypted: i=1; AJvYcCUlYmQ7nzZfAKTEue6d8XlZLq5Mkqu8yZVnaGaoHXQLJPpQ5e7xg3SisgeiCSEfeIa3onZtJqh3VgbJ/Xk=@vger.kernel.org X-Gm-Message-State: AOJu0Yx/EOQ9D9TPwVrfECBCW9o5/cWwlZOiLn1DBz0SI+yj6PveQECE znAIl+aaGln4MMQeEBlH9mugVYybuVwACBCB80sLrSSI4iNcVXQrW2lO X-Gm-Gg: AY/fxX7F8H+IwnBEnjZ2cSZqR4U5u6teDPO7farWxyVwuXT0kcRNEUu6CqIlEBnAruI 9FDsFxA/hIHVaKet2abzmj7Oc4ddhjD0h3yj2pLQKySNcKjTcxTscdSPfaPIc8nJDLgSbE0om5c 7emq0swhcwgVvh+SemOcQzYQqtQACWHRom3UK70ZvhQmK+bRqbeN05Wboa4H/hATiKPkaRdgjRR HpRC6OwqGPUbH2jIXLrl3uCp7DGmatzL3PnEWFQbb5FHrfTpBYVOcqWol/VgqE0jSFk6w5eMxHb KyAK5HV3swtpV+Ck1iewu0SoCmDsmZgiXvONqGTgnpcgiR4cyCvL6QMWk5p1Ffee5xPjRW652+A Yju4eHUtfv2E5D3wY5TPy5PevFXKgO/Fd8Sv/SOPn5rbehtsTzg8lj9WLV3t4ARj/zPltrQsHcO 53E1RG2gLaKxQWNf+2eyRTK+k7ndQbq4dE42863LNKS6nvNlbVhztVfAQZ85mCiOQkVSB5nV+lS sVxUvcumgswcHoR0PnxIw2d X-Google-Smtp-Source: AGHT+IH8xpipIn0XYIQGn+wpBcL0Tro/gfFbgAogNdzCAHfKgQSv/rfI6oWpY03P3Y9XGAmaRo4w+A== X-Received: by 2002:a05:600c:8b11:b0:479:13e9:3d64 with SMTP id 5b1f17b1804b1-47d2d273999mr133650515e9.15.1766598742312; Wed, 24 Dec 2025 09:52:22 -0800 (PST) Received: from iku.Home ([2a06:5906:61b:2d00:3371:7b65:aaf4:d2e4]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47be3a4651bsm140167935e9.7.2025.12.24.09.52.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Dec 2025 09:52:21 -0800 (PST) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-renesas-soc@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 4/6] arm64: dts: renesas: r9a09g087m44-rzn2h-evk: Enable CANFD Date: Wed, 24 Dec 2025 17:52:02 +0000 Message-ID: <20251224175204.3400062-5-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251224175204.3400062-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20251224175204.3400062-1-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 Enable CANFD channel 1, which is available on the CN35 connector. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- .../dts/renesas/r9a09g087m44-rzn2h-evk.dts | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/= arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts index eaf73868783b..ff18632a4214 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts @@ -27,6 +27,13 @@ #define SD0_EMMC 1 #define SD0_SD (!SD0_EMMC) =20 +/* + * To enable CANFD interface disable both eMMC and SD card on SDHI0 by + * setting SD0_EMMC and SD0_SD macros to 0 as pins P12_0 and P12_1 + * will be used for CANFD interface. + */ +#define CANFD_ENABLE (!SD0_EMMC && !SD0_SD) + /* * P17_4 =3D SD1_CD; DSW5[3] =3D ON; DSW19[1] =3D OFF; DSW19[2] =3D ON * P08_6 =3D SD1_IOVS; DSW5[3] =3D ON @@ -173,6 +180,18 @@ led-11 { }; }; =20 +#if CANFD_ENABLE +&canfd { + pinctrl-0 =3D <&can1_pins>; + pinctrl-names =3D "default"; + status =3D "okay"; + + channel1 { + status =3D "okay"; + }; +}; +#endif + #if I2C0 &i2c0 { pinctrl-0 =3D <&i2c0_pins>; @@ -209,6 +228,16 @@ &mdio2_phy { }; =20 &pinctrl { + /* + * CAN1 Pin Configuration: + * + * DSW5[1] ON; DSW5[2] OFF - Use P12_0 and P12_1 for CAN1 interface. + */ + can1_pins: can1-pins { + pinmux =3D , /* CANRX1 */ + ; /* CANTX1 */ + }; + /* * GMAC2 Pin Configuration: * --=20 2.52.0