[PATCH v2 19/19] dt-bindings: riscv: add Zfa ISA extension description

[Clément Léger]

Add description for the Zfa ISA extension[1] which can now be
reported through hwprobe for userspace usage.

Link: https://drive.google.com/file/d/1VT6QIggpb59-8QRV266dEE4T8FZTxGq4/view [1]
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 07678564f11d..3033afcea033 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -208,6 +208,12 @@ properties:
             instructions as ratified at commit 6d33919 ("Merge pull request #158
             from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip.
 
+        - const: zfa
+          description:
+            The standard Zfa extension for additional floating point
+            instructions, as ratified in commit 056b6ff ("Zfa is ratified") of
+            riscv-isa-manual.
+
         - const: zfh
           description:
             The standard Zfh extension for 16-bit half-precision binary
-- 
2.42.0