[PATCH v3 2/4] dt-bindings: riscv: Add Svvptc ISA extension description

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

Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
---
 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





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