Re: [PATCH 05/10] dt-bindings: cache: sifive,ccache0: Add ESWIN EIC7700 SoC compatibility

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On Tue, Mar 11, 2025 at 01:04:27PM +0530, Pinkesh Vaghela wrote:
> From: Pritesh Patel <pritesh.patel@xxxxxxxxxxxxxx>
> 
> This cache controller is also used on the ESWIN EIC7700 SoC.
> However, it have 256KB private L2 Cache and shared L3 Cache of 4MB.
> So add dedicated compatible string for it.
> 
> Signed-off-by: Pritesh Patel <pritesh.patel@xxxxxxxxxxxxxx>
> Reviewed-by: Samuel Holland <samuel.holland@xxxxxxxxxx>
> Signed-off-by: Pinkesh Vaghela <pinkesh.vaghela@xxxxxxxxxxxxxx>
> ---
>  .../bindings/cache/sifive,ccache0.yaml        | 28 +++++++++++++++++--
>  1 file changed, 25 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/cache/sifive,ccache0.yaml b/Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
> index 7e8cebe21584..11e9df2cd153 100644
> --- a/Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
> +++ b/Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
> @@ -39,6 +39,7 @@ properties:
>            - const: cache
>        - items:
>            - enum:
> +              - eswin,eic7700-l3-cache
>                - starfive,jh7100-ccache
>                - starfive,jh7110-ccache
>            - const: sifive,ccache0
> @@ -55,10 +56,10 @@ properties:
>      enum: [2, 3]
>  
>    cache-sets:
> -    enum: [1024, 2048]
> +    enum: [1024, 2048, 4096]
>  
>    cache-size:
> -    const: 2097152
> +    enum: [2097152, 4194304]

Making this an enum makes either value permitted on each SoC. Can you
add cache-size restrictions to the if statements below to keep it
restricted to the correct value please?

Cheers,
Conor.

>  
>    cache-unified: true
>  
> @@ -89,6 +90,7 @@ allOf:
>          compatible:
>            contains:
>              enum:
> +              - eswin,eic7700-l3-cache
>                - sifive,fu740-c000-ccache
>                - starfive,jh7100-ccache
>                - starfive,jh7110-ccache
> @@ -122,11 +124,31 @@ allOf:
>          cache-sets:
>            const: 2048
>  
> -    else:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - microchip,mpfs-ccache
> +              - sifive,fu540-c000-ccache
> +
> +    then:
>        properties:
>          cache-sets:
>            const: 1024
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - eswin,eic7700-l3-cache
> +
> +    then:
> +      properties:
> +        cache-sets:
> +          const: 4096
> +
>    - if:
>        properties:
>          compatible:
> -- 
> 2.25.1
> 

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