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[v3,4/6] dt-bindings: riscv: d requires f

Message ID 20250205-flatly-clover-ae7016cb6e04@spud (mailing list archive)
State New
Headers show
Series Add some validation for vector, vector crypto and fp stuff | expand

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Commit Message

Conor Dooley Feb. 5, 2025, 4:05 p.m. UTC 
From: Conor Dooley <conor.dooley@microchip.com>

Per the specifications, the d extension for double-precision floating
point operations depends on the f extension for single-precision floating
point. Add that requirement to the bindings. This differs from the
Linux implementation, where single-precious only is not supported.

Reviewed-by: Clément Léger <cleger@rivosinc.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index a63b994e0763..ebb252275ddd 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -639,6 +639,12 @@  properties:
             https://github.com/T-head-Semi/thead-extension-spec/blob/95358cb2cca9489361c61d335e03d3134b14133f/xtheadvector.adoc.
 
     allOf:
+      - if:
+          contains:
+            const: d
+        then:
+          contains:
+            const: f
       # Zcb depends on Zca
       - if:
           contains: