[PATCH v3 08/21] dt-bindings: riscv: add Counter delegation ISA extensions description

[Atish Patra]

Add description for the Smcdeleg/Ssccfg extension.

Signed-off-by: Atish Patra <atishp at rivosinc.com>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index f47d829545db..1706a77729db 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -128,6 +128,14 @@ properties:
             changes to interrupts as frozen at commit ccbddab ("Merge pull
             request #42 from riscv/jhauser-2023-RC4") of riscv-aia.
 
+        - const: smcdeleg
+          description: |
+            The standard Smcdeleg supervisor-level extension for the machine mode
+            to delegate the hpmcounters to supvervisor mode so that they are
+            directlyi accessible in the supervisor mode as ratified in the
+            20240213 version of the privileged ISA specification. This extension
+            depends on Sscsrind, Zihpm, Zicntr extensions.
+
         - const: smmpm
           description: |
             The standard Smmpm extension for M-mode pointer masking as
@@ -169,6 +177,14 @@ properties:
             behavioural changes to interrupts as frozen at commit ccbddab
             ("Merge pull request #42 from riscv/jhauser-2023-RC4") of riscv-aia.
 
+        - const: ssccfg
+          description: |
+            The standard Ssccfg supervisor-level extension for configuring
+            the delegated hpmcounters to be accessible directly in supervisor
+            mode as ratified in the 20240213 version of the privileged ISA
+            specification. This extension depends on Sscsrind, Smcdeleg, Zihpm,
+            Zicntr extensions.
+
         - const: sscofpmf
           description: |
             The standard Sscofpmf supervisor-level extension for count overflow

-- 
2.34.1