From nobody Sun Feb 8 21:28:05 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2ECC8274B59; Fri, 23 Jan 2026 17:39:14 +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=1769189958; cv=none; b=AzIvQAvRrnn9it81P2caoR1g0ZPY+o+8MR4sQk3IC1hNsFpe1ed6M6/HwKI6bxSxoBYJLBpbPBbIPC1zdjSEpXesTStlS0eSelf2T7eGwmcwSKeOd8SDlLaihVAkua/gu37wLaSEzE+VdOtJ5ViXkDot6A3AEhRKd5a2sRlSim8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769189958; c=relaxed/simple; bh=l0iWjHbipPa1ijZkFAgcLPQniaiAMUAfDzX0le3Yfso=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=GY1WhQG56IGinWYI8CB/XuzckvTL03G0ph+SraU92pRdemynrPv7p1ZqNByHdzthftW807TS1URfhpMP26Z5Sj20TrGM6+WLGx1THgzJ9UmQhL8OelmE7+irargjAbuz+yJ/r7iO61xvap7WLHMYnaQ8HuUK1m7YAz7dGFssO28= 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 9A17C1515; Fri, 23 Jan 2026 09:39:06 -0800 (PST) Received: from e137876.arm.com (e137876.arm.com [10.33.10.100]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8B00E3F632; Fri, 23 Jan 2026 09:39:11 -0800 (PST) From: Debbie Horsfall Date: Fri, 23 Jan 2026 17:37:46 +0000 Subject: [PATCH 1/2] dt-bindings: arm: Add Zena CSS compatibility Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260123-zena-css-v1-1-34adb95cdf89@arm.com> References: <20260123-zena-css-v1-0-34adb95cdf89@arm.com> In-Reply-To: <20260123-zena-css-v1-0-34adb95cdf89@arm.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liviu Dudau , Sudeep Holla , Lorenzo Pieralisi Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Debbie Horsfall X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1769189949; l=2085; i=debbie.horsfall@arm.com; s=20260123; h=from:subject:message-id; bh=l0iWjHbipPa1ijZkFAgcLPQniaiAMUAfDzX0le3Yfso=; b=dw/o4m/lNZIwCP4dyBjk5k6HBlbBcZQelmXDl0DeJskrhe7iQMiJXJO9uUzpmKTUtn4Yj0MZS 4JdhJk9mRsjCjUvsRAWxbcPP16kVAqOSQD2+cSX88d2CNFEObwAZRUC X-Developer-Key: i=debbie.horsfall@arm.com; a=ed25519; pk=PHSQwhhwfluuPcWn1fk950OfqGxCy2cjbyQb7dfAcFY= Add compatibility to Arm Zena CSS Fixed Virtual Platform [1]. [1] https://www.arm.com/products/automotive/compute-subsystems/zena Signed-off-by: Debbie Horsfall Reviewed-by: Rob Herring (Arm) --- .../devicetree/bindings/arm/arm,zena-css.yaml | 31 ++++++++++++++++++= ++++ MAINTAINERS | 5 ++++ 2 files changed, 36 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/arm,zena-css.yaml b/Docu= mentation/devicetree/bindings/arm/arm,zena-css.yaml new file mode 100644 index 000000000000..42699b4db41e --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arm,zena-css.yaml @@ -0,0 +1,31 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/arm,zena-css.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arm Zena Compute Subsystem Platforms + +maintainers: + - Debbie Horsfall + +description: + Arm Zena Compute Subsystem (CSS) is a compute platform targeting + the automotive sector. Arm Zena CSS is a high-performance Arm + Cortex-A720AE Application Processor system augmented with an Arm + Cortex-R82AE based Safety Island and real-time domain. + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: Arm Zena CSS Platforms + items: + - enum: + - arm,zena-css-fvp + - const: arm,zena-css + +additionalProperties: true + +... diff --git a/MAINTAINERS b/MAINTAINERS index 6863d5fa07a1..90d88137adf1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3723,6 +3723,11 @@ F: drivers/video/fbdev/vt8500lcdfb.* F: drivers/video/fbdev/wm8505fb* F: drivers/video/fbdev/wmt_ge_rops.* =20 +ARM/ZENA CSS PLATFORM +M: Debbie Horsfall +S: Maintained +F: Documentation/devicetree/bindings/arm/arm,zena-css.yaml + ARM/ZYNQ ARCHITECTURE M: Michal Simek L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) --=20 2.43.0