linux-kernel - [PATCH v4 2/4] dt-bindings: riscv: Add Svvptc ISA extension description

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Message-Id: <20240717060125.139416-3-alexghiti@rivosinc.com>
Date: Wed, 17 Jul 2024 08:01:23 +0200
From: Alexandre Ghiti <alexghiti@...osinc.com>
To: Conor Dooley <conor@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Ved Shanbhogue <ved@...osinc.com>,
	Matt Evans <mev@...osinc.com>,
	yunhui cui <cuiyunhui@...edance.com>,
	Anup Patel <anup@...infault.org>,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org
Cc: Alexandre Ghiti <alexghiti@...osinc.com>,
	Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v4 2/4] dt-bindings: riscv: Add Svvptc ISA extension description

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

Signed-off-by: Alexandre Ghiti <alexghiti@...osinc.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 468c646247aa..b52375bea512 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -171,6 +171,13 @@ properties:
             memory types as ratified in the 20191213 version of the privileged
             ISA specification.
 
+        - const: svvptc
+          description:
+            The standard Svvptc supervisor-level extension for
+            address-translation cache behaviour with respect to invalid entries
+            as ratified at commit 4a69197e5617 ("Update to ratified state") of
+            riscv-svvptc.
+
         - const: zacas
           description: |
             The Zacas extension for Atomic Compare-and-Swap (CAS) instructions
-- 
2.39.2