linux-kernel - Re: [RFC v1 5/5] dt-bindings: riscv: document vector crypto requirements

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Message-ID: <kduc5r2nisteqax3zbxkja6qevdi2pdu6nk4sqabkap7nxtmok@sxq7yhptrvqc>
Date: Thu, 3 Oct 2024 11:52:57 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Conor Dooley <conor@...nel.org>
Cc: linux-riscv@...ts.infradead.org, 
	Conor Dooley <conor.dooley@...rochip.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Paul Walmsley <paul.walmsley@...ive.com>, 
	Palmer Dabbelt <palmer@...belt.com>, Clément Léger <cleger@...osinc.com>, 
	Andy Chiu <andybnac@...il.com>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC v1 5/5] dt-bindings: riscv: document vector crypto
 requirements

On Wed, Oct 02, 2024 at 05:10:58PM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
> 
> Section 35.2. Extensions Overview of [1] says:
> | The Zvknhb and Zvbc Vector Crypto Extensions --and accordingly the composite extensions Zvkn and
> | Zvks-- (sic) 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
> 
> Apply these rules in the binding, so that invalid combinations can be
> avoided.
> 
> Link: https://github.com/riscv/riscv-isa-manual/releases/tag/riscv-isa-release-698e64a-2024-09-09 [1]
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
>  .../devicetree/bindings/riscv/extensions.yaml | 32 +++++++++++++++++++
>  1 file changed, 32 insertions(+)

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof