[PATCH v3 20/20] dt-bindings: riscv: add Zfa ISA extension description

[Conor Dooley]

On Tue, Nov 07, 2023 at 11:55:56AM +0100, Clément Léger wrote:
> Add description for the Zfa ISA extension[1] which can now be
> reported through hwprobe for userspace usage.

FWIW, hwprobe is not relevant for the dt-bindings.

> Link: https://drive.google.com/file/d/1VT6QIggpb59-8QRV266dEE4T8FZTxGq4/view [1]
> Signed-off-by: Clément Léger <cleger at rivosinc.com>

Acked-by: Conor Dooley <conor.dooley at microchip.com>

Cheers,
Conor.

> ---
>  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 87c7e3608217..dcba5380f923 100644
> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> @@ -214,6 +214,12 @@ 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
> 
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