[PATCH v6 01/17] dt-bindings: riscv: Add xtheadvector ISA extension description

Andy Chiu andy.chiu at sifive.com
Thu May 16 05:48:17 PDT 2024


On Sat, May 4, 2024 at 3:33 AM Charlie Jenkins <charlie at rivosinc.com> wrote:
>
> 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 at rivosinc.com>
> Reviewed-by: Conor Dooley <conor.dooley at microchip.com>

Reviewed-by: Andy Chiu <andy.chiu at sifive.com>

> ---
>  Documentation/devicetree/bindings/riscv/extensions.yaml | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
> index 468c646247aa..99d2a9e8c52d 100644
> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> @@ -477,6 +477,10 @@ 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
> @@ -484,5 +488,11 @@ 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.
> +
>  additionalProperties: true
>  ...
>
> --
> 2.44.0
>
>
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