[v2, 5/7] dt-bindings: riscv: add Zve32[xf] Zve64[xfd] ISA extension description

[Andy Chiu]

Add description for Zve32x Zve32f Zve64x Zve64f Zve64d ISA extensions.

Signed-off-by: Andy Chiu <andy.chiu at sifive.com>
---
Changelog v2:
 - new patch since v2
---
 .../devicetree/bindings/riscv/extensions.yaml | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 63d81dc895e5..6ae50d1227d1 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -381,6 +381,36 @@ properties:
             instructions, as ratified in commit 56ed795 ("Update
             riscv-crypto-spec-vector.adoc") of riscv-crypto.
 
+        - const: zve32f
+          description:
+            The standard Zve32f extension for embedded processors, as ratified
+            in commit 6f702a2 ("Vector extensions are now ratified") of
+            riscv-v-spec.
+
+        - const: zve32x
+          description:
+            The standard Zve32f extension for embedded processors, as ratified
+            in commit 6f702a2 ("Vector extensions are now ratified") of
+            riscv-v-spec.
+
+        - const: zve64x
+          description:
+            The standard Zve32f extension for embedded processors, as ratified
+            in commit 6f702a2 ("Vector extensions are now ratified") of
+            riscv-v-spec.
+
+        - const: zve64f
+          description:
+            The standard Zve32f extension for embedded processors, as ratified
+            in commit 6f702a2 ("Vector extensions are now ratified") of
+            riscv-v-spec.
+
+        - const: zve64d
+          description:
+            The standard Zve32f extension for embedded processors, as ratified
+            in commit 6f702a2 ("Vector extensions are now ratified") of
+            riscv-v-spec.
+
         - const: zvfh
           description:
             The standard Zvfh extension for vectored half-precision
-- 
2.17.1