[PATCH v4 6/6] dt-bindings: riscv: document vector crypto requirements

[Alexandre Ghiti]

On 12/03/2025 14:11, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley at microchip.com>
>
> The Unpriv spec states:
> | The Zvknhb and Zvbc Vector Crypto Extensions --and accordingly the
> | composite extensions Zvkn, Zvknc, Zvkng, and Zvksc-- require a Zve64x
> | base, or application ("V") base Vector Extension. All of the other
> | Vector Crypto Extensions can be built on any embedded (Zve*) or
> | application ("V") base Vector Extension.
>
> Enforce the minimum requirement via schema.
>
> Link: https://github.com/riscv/riscv-isa-manual/blob/main/src/vector-crypto.adoc#extensions-overview
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
> Signed-off-by: Conor Dooley <conor.dooley at microchip.com>
> ---
>   .../devicetree/bindings/riscv/extensions.yaml | 33 +++++++++++++++++++
>   1 file changed, 33 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
> index 02065664f819..9aeb9d4731ca 100644
> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> @@ -726,6 +726,39 @@ properties:
>               - contains:
>                   const: zve64f
>   
> +      - if:
> +          contains:
> +            anyOf:
> +              - const: zvbc
> +              - const: zvkn
> +              - const: zvknc
> +              - const: zvkng
> +              - const: zvknhb
> +              - const: zvksc
> +        then:
> +          contains:
> +            anyOf:
> +              - const: v
> +              - const: zve64x
> +
> +      - if:
> +          contains:
> +            anyOf:
> +              - const: zvbb
> +              - const: zvkb
> +              - const: zvkg
> +              - const: zvkned
> +              - const: zvknha
> +              - const: zvksed
> +              - const: zvksh
> +              - const: zvks
> +              - const: zvkt
> +        then:
> +          contains:
> +            anyOf:
> +              - const: v
> +              - const: zve32x
> +
>   allOf:
>     # Zcf extension does not exist on rv64
>     - if:


Ok I see now where you enforce the right dependencies, you can ignore my 
question in patch 2.

Thanks,

Alex