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

[Neil Armstrong]

On 16/11/2022 13:28, Krzysztof Kozlowski wrote:
> 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.

Hmm no, no resets needed for sm8550.

> >     - 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....

Ack

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

I'll rebase on top of 20221116155416.164239-1-krzysztof.kozlowski@xxxxxxxxxx.

Seems I should perhaps add a separate qcom,sm8550-pas.yaml right, or adding the qcom,sm6350-pas.yam would be ok ?

> Best regards,
> Krzysztof

Thanks,
Neil