Re: [PATCH 1/4] dt-bindings: remoteproc: qcom: adsp: document sm8550 adsp, cdsp & mpss compatible

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On 16/11/2022 11:20, Neil Armstrong wrote:
> This documents the compatible for the component used to boot the
> aDSP, cDSP and MPSS on the SM8550 SoC.
> 
> The SM8550 boot process on SM8550 now requires a secondary "Devicetree"
> firmware to be passed along the main Firmware, and the cDSP a new power
> domain named "NSP".
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/remoteproc/qcom,adsp.yaml  | 60 +++++++++++++++++++++-
>  1 file changed, 59 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
> index db9e0f0c2bea..678cb73f10de 100644
> --- a/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml
> @@ -55,6 +55,9 @@ properties:
>        - qcom,sm8450-cdsp-pas
>        - qcom,sm8450-mpss-pas
>        - qcom,sm8450-slpi-pas
> +      - qcom,sm8550-adsp-pas
> +      - qcom,sm8550-cdsp-pas
> +      - qcom,sm8550-mpss-pas
>  
>    reg:
>      maxItems: 1
> @@ -116,8 +119,13 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/string
>      description: Firmware name for the Hexagon core
>  
> +  qcom,dtb-firmware-name:
> +    $ref: /schemas/types.yaml#/definitions/string
> +    description: Devicetree Firmware name for the Hexagon core

Not sure about this one.

Rob,
Don't we want rather to have multiple items in firmware-name?


> +
>    memory-region:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
>      description: Reference to the reserved-memory for the Hexagon core
>  
>    qcom,qmp:
> @@ -212,6 +220,9 @@ allOf:
>                - qcom,sm8450-cdsp-pas
>                - qcom,sm8450-slpi-pas
>                - qcom,sm8450-mpss-pas
> +              - qcom,sm8550-adsp-pas
> +              - qcom,sm8550-cdsp-pas
> +              - qcom,sm8550-mpss-pas
>      then:
>        properties:
>          clocks:
> @@ -327,6 +338,8 @@ allOf:
>                - qcom,sm8450-adsp-pas
>                - qcom,sm8450-cdsp-pas
>                - qcom,sm8450-slpi-pas
> +              - qcom,sm8550-adsp-pas
> +              - qcom,sm8550-cdsp-pas
>      then:
>        properties:
>          interrupts:
> @@ -347,6 +360,7 @@ allOf:
>                - qcom,sm8150-mpss-pas
>                - qcom,sm8350-mpss-pas
>                - qcom,sm8450-mpss-pas
> +              - qcom,sm8550-mpss-pas
>      then:
>        properties:
>          interrupts:
> @@ -448,6 +462,7 @@ allOf:
>                - qcom,sm8150-mpss-pas
>                - qcom,sm8350-mpss-pas
>                - qcom,sm8450-mpss-pas
> +              - qcom,sm8550-mpss-pas
>      then:
>        properties:
>          power-domains:
> @@ -475,6 +490,7 @@ allOf:
>                - qcom,sm8350-slpi-pas
>                - qcom,sm8450-adsp-pas
>                - qcom,sm8450-slpi-pas
> +              - qcom,sm8550-adsp-pas
>      then:
>        properties:
>          power-domains:
> @@ -504,6 +520,25 @@ allOf:
>              - const: cx
>              - const: mxc
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sm8550-cdsp-pas
> +    then:
> +      properties:
> +        power-domains:
> +          items:
> +            - description: CX power domain
> +            - description: MXC power domain
> +            - description: NSP power domain
> +        power-domain-names:
> +          items:
> +            - const: cx
> +            - const: mxc
> +            - const: nsp
> +

You also need to update entry for resets. I think it is missing.

>    - if:
>        properties:
>          compatible:
> @@ -573,6 +608,29 @@ allOf:
>        properties:
>          qcom,qmp: false
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sm8550-adsp-pas
> +              - qcom,sm8550-cdsp-pas
> +              - qcom,sm8550-mpss-pas
> +    then:
> +      properties:
> +        memory-region:
> +          minItems: 2
> +          description:
> +            First entry is a phandle for a reserved memory area that holds
> +            the main Firmware for authentication, and second entry a phandle for a
> +            reserved memory area that holds the Devicetree Firmware for authentication.

Instead of minItems and description:
  items:
    - description: Main Firmware for auth....
    - description: Devicetree Firmware....

> +    else:
> +      properties:
> +        qcom,dtb-firmware-name: false
> +
> +        memory-region:
> +          maxItems: 1
> +

Best regards,
Krzysztof




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