[PATCH v2 2/6] dt-bindings: riscv: Document cboz-block-size

Andrew Jones ajones at ventanamicro.com
Sun Jan 22 11:13:24 PST 2023


The Zicboz operates on a block-size defined for the cpu-core,
which does not necessarily match other cache-sizes used.

So add the necessary property for the system to know the core's
block-size.

Cc: Rob Herring <robh at kernel.org>
Signed-off-by: Andrew Jones <ajones at ventanamicro.com>
---
 Documentation/devicetree/bindings/riscv/cpus.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index c6720764e765..f4ee70f8e1cf 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -72,6 +72,11 @@ properties:
     description:
       The blocksize in bytes for the Zicbom cache operations.
 
+  riscv,cboz-block-size:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      The blocksize in bytes for the Zicboz cache operations.
+
   riscv,isa:
     description:
       Identifies the specific RISC-V instruction set architecture
-- 
2.39.0




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