linux-kernel - [PATCH v6 02/10] dt-bindings: arm: Add Morello compatibility

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Message-ID: <20250220180427.3382482-3-vincenzo.frascino@arm.com>
Date: Thu, 20 Feb 2025 18:04:20 +0000
From: Vincenzo Frascino <vincenzo.frascino@....com>
To: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc: Vincenzo Frascino <vincenzo.frascino@....com>,
	Linus Walleij <linus.walleij@...aro.org>,
	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>,
	Russell King <linux@...linux.org.uk>,
	Will Deacon <will@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Jessica Clarke <jrtc27@...c27.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v6 02/10] dt-bindings: arm: Add Morello compatibility

Add compatibility to Arm Morello System Development Platform.

Note: Morello is at the same time the name of an Architecture [1], an SoC
[2] and a Board [2].
To distinguish in between Architecture/SoC and Board we refer to the first
as arm,morello and to the second as arm,morello-sdp.

[1] https://developer.arm.com/Architectures/Morello
[2] https://www.morello-project.org/

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>
---
 .../devicetree/bindings/arm/arm,morello.yaml  | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/arm,morello.yaml

diff --git a/Documentation/devicetree/bindings/arm/arm,morello.yaml b/Documentation/devicetree/bindings/arm/arm,morello.yaml
new file mode 100644
index 000000000000..b4cfa8d048c4
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/arm,morello.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/arm,morello.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM Morello Platforms
+
+maintainers:
+  - Vincenzo Frascino <vincenzo.frascino@....com>
+
+description: |+
+  The Morello architecture is an experimental extension to Armv8.2-A,
+  which extends the AArch64 state with the principles proposed in
+  version 7 of the Capability Hardware Enhanced RISC Instructions
+  (CHERI) ISA.
+
+  ARM's Morello Platforms are built as a research project to explore
+  capability architectures based on arm.
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - description: Arm Morello System Development Platform
+        items:
+          - const: arm,morello-sdp
+          - const: arm,morello
+
+additionalProperties: true
+
+...
-- 
2.43.0