[PATCH v3 10/21] dt-bindings: riscv: add Smcntrpmf ISA extension description

[Atish Patra <atishp@xxxxxxxxxxxx>]

Add the description for Smcntrpmf ISA extension

Signed-off-by: Atish Patra <atishp@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 1706a77729db..0afe47259c55 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -136,6 +136,14 @@ properties:
             20240213 version of the privileged ISA specification. This extension
             depends on Sscsrind, Zihpm, Zicntr extensions.
 
+        - const: smcntrpmf
+          description: |
+            The standard Smcntrpmf supervisor-level extension for the machine mode
+            to enable privilege mode filtering for cycle and instret counters as
+            ratified in the 20240326 version of the privileged ISA specification.
+            The Ssccfg extension depends on this as *cfg CSRs are available only
+            if smcntrpmf is present.
+
         - const: smmpm
           description: |
             The standard Smmpm extension for M-mode pointer masking as

-- 
2.34.1