linux-kernel - [PATCH 1/2] dt-bindings: arm: Add Zena CSS compatibility

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Message-Id: <20260123-zena-css-v1-1-34adb95cdf89@arm.com>
Date: Fri, 23 Jan 2026 17:37:46 +0000
From: Debbie Horsfall <debbie.horsfall@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Liviu Dudau <liviu.dudau@....com>, 
 Sudeep Holla <sudeep.holla@....com>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Debbie Horsfall <debbie.horsfall@....com>
Subject: [PATCH 1/2] dt-bindings: arm: Add Zena CSS compatibility

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 <debbie.horsfall@....com>
---
 .../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/Documentation/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 <debbie.horsfall@....com>
+
+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.*
 
+ARM/ZENA CSS PLATFORM
+M:	Debbie Horsfall <debbie.horsfall@....com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/arm/arm,zena-css.yaml
+
 ARM/ZYNQ ARCHITECTURE
 M:	Michal Simek <michal.simek@....com>
 L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)

-- 
2.43.0