[PATCH v4 10/13] dt-bindings: riscv: Add Andes PMU extension description

Lad, Prabhakar prabhakar.csengg at gmail.com
Fri Nov 24 07:07:21 PST 2023


On Wed, Nov 22, 2023 at 12:18 PM Yu Chien Peter Lin
<peterlin at andestech.com> wrote:
>
> Document the ISA string for Andes Technology performance monitor
> extension which provides counter overflow interrupt and mode
> filtering mechanisms.
>
> Signed-off-by: Yu Chien Peter Lin <peterlin at andestech.com>
> Acked-by: Conor Dooley <conor.dooley at microchip.com>
> ---
> Changes v2 -> v3:
>   - New patch
> Changes v3 -> v4:
>   - Include Conor's Acked-by
> ---
>  Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++
>  1 file changed, 7 insertions(+)
>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>

Cheers,
Prabhakar

> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
> index 694efaea8fce..4e0066afc848 100644
> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> @@ -258,6 +258,13 @@ properties:
>              in commit 2e5236 ("Ztso is now ratified.") of the
>              riscv-isa-manual.
>
> +        - const: xandespmu
> +          description:
> +            The Andes Technology performance monitor extension for counter overflow
> +            and privilege mode filtering. For more details, see Counter Related
> +            Registers in the AX45MP datasheet.
> +            https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf
> +
>          - const: xtheadpmu
>            description:
>              The T-Head performance monitor extension for counter overflow. For more
> --
> 2.34.1
>
>



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