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| author | Conor Dooley <conor.dooley@microchip.com> | 2025-03-12 16:11:49 +0300 |
|---|---|---|
| committer | Alexandre Ghiti <alexghiti@rivosinc.com> | 2025-03-25 17:19:35 +0300 |
| commit | a0d857205756af45abaf63ca15b2640f707d5e73 (patch) | |
| tree | 8bd9fdcfeeb9549f929e88d9c971d8a769d3c202 | |
| parent | e9f1d61a5e186092d3b8eaa411bb4a76622bf854 (diff) | |
| download | linux-a0d857205756af45abaf63ca15b2640f707d5e73.tar.xz | |
dt-bindings: riscv: document vector crypto requirements
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@linaro.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250312-flask-relay-b36ee622b2c8@spud
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
| -rw-r--r-- | Documentation/devicetree/bindings/riscv/extensions.yaml | 33 |
1 files changed, 33 insertions, 0 deletions
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: |