Zicbom, Zicbop, and Zicboz have no default cache block size, so a devicetree that declares one must also provide the matching riscv,cbom/cbop/cboz-block-size property. Make it required so a missing block-size property can be caught by dtbs_check.
Match only nodes that use riscv,isa-extensions, so nodes carrying just the deprecated riscv,isa string are not affected. Suggested-by: Conor Dooley <[email protected]> Signed-off-by: Guodong Xu <[email protected]> --- v6: Only match nodes that have riscv,isa-extensions, fixing dt_binding_check errors on legacy riscv,isa-only nodes (fix suggested by Conor, breakage reported by Rob's bot). v5: New patch. --- .../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 577d7ae5576b..d4cde2a7b8b2 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -1211,6 +1211,38 @@ allOf: not: contains: const: zilsd + # All three Zicbo* extensions require their block size property as there's no + # default. + - if: + properties: + riscv,isa-extensions: + contains: + const: zicbom + required: + - riscv,isa-extensions + then: + required: + - riscv,cbom-block-size + - if: + properties: + riscv,isa-extensions: + contains: + const: zicbop + required: + - riscv,isa-extensions + then: + required: + - riscv,cbop-block-size + - if: + properties: + riscv,isa-extensions: + contains: + const: zicboz + required: + - riscv,isa-extensions + then: + required: + - riscv,cboz-block-size additionalProperties: true ... -- 2.43.0

