linux-kernel - [PATCH v2 3/6] dt-bindings: riscv: add Zacas ISA extension description

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Message-ID: <20231220155723.684081-4-cleger@rivosinc.com>
Date: Wed, 20 Dec 2023 16:57:19 +0100
From: Clément Léger <cleger@...osinc.com>
To: linux-doc@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Cc: Clément Léger <cleger@...osinc.com>,
	Jonathan Corbet <corbet@....net>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Conor Dooley <conor@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Robbin Ehn <rehn@...osinc.com>,
	Gianluca Guida <gianluca@...osinc.com>,
	Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v2 3/6] dt-bindings: riscv: add Zacas ISA extension description

Add description for the Zacas ISA extension which was ratified recently.

Signed-off-by: Clément Léger <cleger@...osinc.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 3574a0b70be4..27beedb98198 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -171,6 +171,12 @@ properties:
             memory types as ratified in the 20191213 version of the privileged
             ISA specification.
 
+        - const: zacas
+          description: |
+            The Zacas extension for Atomic Compare-and-Swap (CAS) instructions
+            is supported as ratified at commit 5059e0ca641c ("update to
+            ratified") of the riscv-zacas.
+
         - const: zba
           description: |
             The standard Zba bit-manipulation extension for address generation
-- 
2.43.0