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([2a01:e0a:e17:9700:16d2:7456:6634:9626]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e18fa05087sm3476494a91.39.2024.10.03.04.36.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 03 Oct 2024 04:36:53 -0700 (PDT) Message-ID: <9858968e-178b-4357-9eff-3374df84ec90@rivosinc.com> Date: Thu, 3 Oct 2024 13:36:43 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC v1 5/5] dt-bindings: riscv: document vector crypto requirements To: Conor Dooley Cc: linux-riscv@lists.infradead.org, Conor Dooley , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Andy Chiu , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20241002-defeat-pavestone-73d712895f0b@spud> <20241002-sincerity-urgent-acdb0e8d8a66@spud> <0fa7461f-5c7c-4f18-ac02-66d37e2c559c@rivosinc.com> <20241003-variable-quirk-9a13fe040e4a@spud> Content-Language: en-US From: =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= In-Reply-To: <20241003-variable-quirk-9a13fe040e4a@spud> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 03/10/2024 13:05, Conor Dooley wrote: > On Thu, Oct 03, 2024 at 09:59:38AM +0200, Clément Léger wrote: >> >> >> On 02/10/2024 18:10, Conor Dooley wrote: >>> From: Conor Dooley >>> >>> 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 >>> --- >>> .../devicetree/bindings/riscv/extensions.yaml | 32 +++++++++++++++++++ >>> 1 file changed, 32 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml >>> index abf2579171c5b..02b822bbf341d 100644 >>> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml >>> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml >>> @@ -651,6 +651,38 @@ properties: >>> - contains: >>> const: zve64f >>> >>> + - if: >>> + contains: >>> + anyOf: >>> + - const: zvbc >>> + - const: zvkn >>> + - const: zvknhb >>> + - const: zvks >> >> Shouldn't zvksed and zvksh be part odf this list ? My understanding of >> the spec might be wrong but "Zvks--" seems like a poor-man's wildcard >> for Zvks* extensions ? > > I don't think so, there's a corresponding -- on the first line of the > quote. I think it is some really odd styling that should be replaced by > commas. > Oh yes, my bad.