[PATCH] dt-bindings: riscv: Add SiFive vendor extensions description
From: Nick Hu
Date: Tue Jul 08 2025 - 02:56:22 EST
Add description for SiFive vendor extensions "xsfcflushdlone",
"xsfpgflushdlone" and "xsfcease".
Signed-off-by: Nick Hu <nick.hu@xxxxxxxxxx>
---
.../devicetree/bindings/riscv/extensions.yaml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 72c1b063fdfe..10c37c61243d 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -626,6 +626,24 @@ properties:
https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf
# SiFive
+ - const: xsfcease
+ description:
+ SiFive CEASE Instruction Extensions Specification.
+ See more details in
+ https://www.sifive.com/document-file/freedom-u740-c000-manual
+
+ - const: xsfcflushdlone
+ description:
+ SiFive L1D Cache Flush Instruction Extensions Specification.
+ See more details in
+ https://www.sifive.com/document-file/freedom-u740-c000-manual
+
+ - const: xsfpgflushdlone
+ description:
+ SiFive PGFLUSH Instruction Extensions for the power management. The
+ CPU will flush the L1D and enter the cease state after executing
+ the instruction.
+
- const: xsfqmaccdod
description:
SiFive Int8 Matrix Multiplication Extensions Specification.
--
2.17.1