Re: [PATCH v3 2/5] dt-bindings: mips: mips-cm: Add a new compatible string for EyeQ6

["Jiaxun Yang" <jiaxun.yang@flygoat.com>]

在2025年1月23日一月 上午11:01，Gregory CLEMENT写道：
> The CM3.5 used on EyeQ6 reports that Hardware Cache Initialization is
> complete, but in reality it's not the case. It also incorrectly
> indicates that Hardware Cache Initialization is supported. This new
> compatible string allows warning about this broken feature that cannot
> be detected at runtime.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
> ---
>  Documentation/devicetree/bindings/mips/mti,mips-cm.yaml | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml 
> b/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml
> index 
> 4324b2306535f1bf66c44b1f96be9094ee282041..d129d6382847768dc026336d8d2c7328b6b81f9b 
> 100644
> --- a/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml
> +++ b/Documentation/devicetree/bindings/mips/mti,mips-cm.yaml
> @@ -19,7 +19,12 @@ maintainers:
> 
>  properties:
>    compatible:
> -    const: mti,mips-cm
> +    oneOf:
> +      - const: mti,mips-cm
> +      - const: mobileye,eyeq6-cm
> +        description:
> +          On EyeQ6 the HCI (Hardware Cache Initialization) information for
> +          the L2 cache in multi-cluster configuration is broken.
> 
>    reg:
>      description:
> @@ -44,4 +49,9 @@ examples:
>        compatible = "mti,mips-cm";
>        reg = <0x1bde8000 0x8000>;
>      };
> +
> +  - |
> +    coherency-manager {
> +      compatible = "mobileye,eyeq6-cm";

I think “mobileye,eyeq6-cm”, “mti,mips-cm” would describe the hardware better as eyeq6’s CM is just a special variant of mips-cm.

But I’m fine with leaving it as is.


Thanks

> +    };
>  ...
>
> -- 
> 2.45.2

-- 
- Jiaxun