From nobody Sat Feb 7 10:07:59 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C5F5719D063; Tue, 30 Jul 2024 10:43:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722336186; cv=none; b=u7ora6TEQbAZ+LMFOdk4tDT+QqXIn4Za1WObLIM2fBp+9cJlQ7SAV9fK5URpEVZ2eC5HdjqslOyJ0OH2Cyra6YLAMJZFeJcVCtv8MBMS6UYmfcdyMwt+k3yM73eeoWN7z+fjwYiwD6Ci3ShXG2QatTwluZ9UBzn3lbL/TrHrWSQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722336186; c=relaxed/simple; bh=yt6TEgrfn0/tkBWZBheWFpaehYINa8K9TEr07/GyOQ4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=FMl6hFB9r6PWKAfOIt2PfUVgWbLCtUeM5t/OCjW+sDUOd84ntFN9aev+FornZNh+T3mqGak+RWe/rt8J9sxJoTDskZAxJw83CJoKfoHTaqLZWqKU/TD4WVqqiENUA8Mhd0kY/GrbuQ7vpcEi2UUTKYRrb9u7uJ0AevoETCXqrHg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AC76E1007; Tue, 30 Jul 2024 03:43:28 -0700 (PDT) Received: from e127725.manchester.arm.com (e127725.arm.com [10.32.102.196]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 21F333F766; Tue, 30 Jul 2024 03:43:00 -0700 (PDT) From: Debbie Martin To: liviu.dudau@arm.com, sudeep.holla@arm.com, lpieralisi@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: arm: Add stdout-path Date: Tue, 30 Jul 2024 11:37:58 +0100 Message-Id: <20240730103758.907950-1-Debbie.Martin@arm.com> X-Mailer: git-send-email 2.25.1 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" Add stdout-path to the Arm devicetrees to specify the primary console. This means that distributions can boot without the need for platform-specific command line parameters i.e. they can use earlycon with no parameters and no console argument is needed at all. Signed-off-by: Debbie Martin Reviewed-by: Andre Przywara --- arch/arm64/boot/dts/arm/foundation-v8.dtsi | 4 +++- arch/arm64/boot/dts/arm/fvp-base-revc.dts | 4 +++- arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts | 4 +++- 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/arm/foundation-v8.dtsi b/arch/arm64/boot/d= ts/arm/foundation-v8.dtsi index 93f1e7c026b8..083be35495b3 100644 --- a/arch/arm64/boot/dts/arm/foundation-v8.dtsi +++ b/arch/arm64/boot/dts/arm/foundation-v8.dtsi @@ -18,7 +18,9 @@ / { #address-cells =3D <2>; #size-cells =3D <2>; =20 - chosen { }; + chosen { + stdout-path =3D "serial0:115200n8"; + }; =20 aliases { serial0 =3D &v2m_serial0; diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dt= s/arm/fvp-base-revc.dts index 85f1c15cc65d..19973ab4ea6b 100644 --- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts +++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts @@ -24,7 +24,9 @@ / { #address-cells =3D <2>; #size-cells =3D <2>; =20 - chosen { }; + chosen { + stdout-path =3D "serial0:115200n8"; + }; =20 aliases { serial0 =3D &v2m_serial0; diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts b/arch/arm64/boot/d= ts/arm/rtsm_ve-aemv8a.dts index afdf954206f1..7f7226711d4b 100644 --- a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts +++ b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts @@ -23,7 +23,9 @@ / { #address-cells =3D <2>; #size-cells =3D <2>; =20 - chosen { }; + chosen { + stdout-path =3D "serial0:115200n8"; + }; =20 aliases { serial0 =3D &v2m_serial0; --=20 2.25.1