[PATCH v2 10/19] dt-bindings: riscv: add Zfh[min] ISA extensions description

From: Clément Léger
Date: Tue Oct 17 2023 - 09:16:15 EST


Add description of Zfh[min] ISA extensions[1] which can now be reported
through hwprobe for userspace usage.

Link: https://drive.google.com/file/d/1z3tQQLm5ALsAD77PM0l0CHnapxWCeVzP/view [1]
Signed-off-by: Clément Léger <cleger@xxxxxxxxxxxx>
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
---
.../devicetree/bindings/riscv/extensions.yaml | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 93beb9872900..b0a0d1bdf369 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -208,6 +208,19 @@ properties:
instructions as ratified at commit 6d33919 ("Merge pull request #158
from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip.

+ - const: zfh
+ description:
+ The standard Zfh extension for 16-bit half-precision binary
+ floating-point instructions, as ratified in commit 64074bc ("Update
+ version numbers for Zfh/Zfinx") of riscv-isa-manual.
+
+ - const: zfhmin
+ description:
+ The standard Zfhmin extension which provides minimal support for
+ 16-bit half-precision binary floating-point instructions, as ratified
+ in commit 64074bc ("Update version numbers for Zfh/Zfinx") of
+ riscv-isa-manual.
+
- const: zk
description:
The standard Zk Standard Scalar cryptography extension as ratified
--
2.42.0