[RFC PATCH 2/7] dt-bindings: riscv: add Ssdbltrp ISA extension description

[Clément Léger]

Add description for the Ssdbltrp ISA extension which is not yet
ratified.

Signed-off-by: Clément Léger <cleger at rivosinc.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 63d81dc895e5..ce7021dbb556 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -147,6 +147,12 @@ properties:
             and mode-based filtering as ratified at commit 01d1df0 ("Add ability
             to manually trigger workflow. (#2)") of riscv-count-overflow.
 
+        - const: ssdbltrp
+          description: |
+            The standard Ssdbltrp supervisor-level extension for double trap
+            handling as currently defined by commit e85847b ("Merge pull request
+            #32 from ved-rivos/0415_1 ") of riscv-double-trap.
+
         - const: sstc
           description: |
             The standard Sstc supervisor-level extension for time compare as
-- 
2.43.0