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[v9,01/13] dt-bindings: riscv: Add xtheadvector ISA extension description

Message ID 20240806-xtheadvector-v9-1-62a56d2da5d0@rivosinc.com (mailing list archive)
State New
Headers show
Series riscv: Add support for xtheadvector | expand

Commit Message

Charlie Jenkins Aug. 7, 2024, 12:31 a.m. UTC 
The xtheadvector ISA extension is described on the T-Head extension spec
Github page [1] at commit 95358cb2cca9.

Link: https://github.com/T-head-Semi/thead-extension-spec/blob/95358cb2cca9489361c61d335e03d3134b14133f/xtheadvector.adoc [1]

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index a06dbc6b4928..1a3d01aedde6 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -556,6 +556,10 @@  properties:
             latency, as ratified in commit 56ed795 ("Update
             riscv-crypto-spec-vector.adoc") of riscv-crypto.
 
+        # vendor extensions, each extension sorted alphanumerically under the
+        # vendor they belong to. Vendors are sorted alphanumerically as well.
+
+        # Andes
         - const: xandespmu
           description:
             The Andes Technology performance monitor extension for counter overflow
@@ -563,6 +567,12 @@  properties:
             Registers in the AX45MP datasheet.
             https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf
 
+        # T-HEAD
+        - const: xtheadvector
+          description:
+            The T-HEAD specific 0.7.1 vector implementation as written in
+            https://github.com/T-head-Semi/thead-extension-spec/blob/95358cb2cca9489361c61d335e03d3134b14133f/xtheadvector.adoc.
+
     allOf:
       # Zcb depends on Zca
       - if: