Re: [RESEND PATCH v5 3/7] dt-bindings: remoteproc: Add processor identifier property

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On Tue, May 21, 2024 at 02:24:54PM +0200, Arnaud Pouliquen wrote:
> Add the "st,proc-id" property allowing to identify the remote processor.
> This ID is used to define an unique ID, common between Linux, U-boot and
> OP-TEE to identify a coprocessor.
> This ID will be used in request to OP-TEE remoteproc Trusted Application
> to specify the remote processor.
> 
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx>
> ---
>  .../devicetree/bindings/remoteproc/st,stm32-rproc.yaml     | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
> index 36ea54016b76..409123cd4667 100644
> --- a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
> @@ -48,6 +48,10 @@ properties:
>            - description: The offset of the hold boot setting register
>            - description: The field mask of the hold boot
>  
> +  st,proc-id:
> +    description: remote processor identifier
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
>    st,syscfg-tz:
>      deprecated: true
>      description:
> @@ -182,6 +186,8 @@ allOf:
>          st,syscfg-holdboot: false
>          reset-names: false
>          resets: false
> +      required:
> +        - st,proc-id

New required properties are an ABI break. If that is okay, explain why 
in the commit message.

>  
>  additionalProperties: false
>  
> @@ -220,6 +226,7 @@ examples:
>        reg = <0x10000000 0x40000>,
>              <0x30000000 0x40000>,
>              <0x38000000 0x10000>;
> +      st,proc-id = <0>;
>        st,syscfg-rsc-tbl = <&tamp 0x144 0xFFFFFFFF>;
>        st,syscfg-m4-state = <&tamp 0x148 0xFFFFFFFF>;
>      };
> -- 
> 2.25.1
> 




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