Re: [PATCH v4 1/2] dt-bindings: arm: qcom: Document the sc7280 CRD Pro boards

[Rajendra Nayak]

On 12/16/2022 7:49 PM, Matthias Kaehlcke wrote:
> On Fri, Dec 16, 2022 at 04:59:17PM +0530, Rajendra Nayak wrote:
> > Add compatibles for the Pro SKU of the sc7280 CRD boards
> > which come with a Pro variant of the qcard.
> > The Pro qcard variant has smps9 from pm8350c ganged up with
> > smps7 and smps8.
> >
> > Signed-off-by: Rajendra Nayak <quic_rjendra@xxxxxxxxxxx>
> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> > Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
> > ---
> > v4 changes:
> > Added the zoglin-sku1536 compatible along with hoglin-sku1536.
> > Zoglin is same as the Hoglin variant, with the SPI Flash reduced
> > from 64MB to 8MB
> >
> >   Documentation/devicetree/bindings/arm/qcom.yaml | 6 ++++++
> >   1 file changed, 6 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
> > index 1b5ac6b02bc5..07771d4c91bd 100644
> > --- a/Documentation/devicetree/bindings/arm/qcom.yaml
> > +++ b/Documentation/devicetree/bindings/arm/qcom.yaml
> > @@ -558,6 +558,12 @@ properties:
> >             - const: google,hoglin
> >             - const: qcom,sc7280
> >   
> > +      - description: Qualcomm Technologies, Inc. sc7280 CRD Pro platform (newest rev)
> > +        items:
> > +          - const: google,zoglin-sku1536
> > +          - const: google,hoglin-sku1536
>
> Is there actually such a thing as a 'hoglin-sku1536', i.e. the Pro qcard
> with 64MB of SPI flash, or do they all have 8MB of flash?

The SPI flash is on the CRD mother-board and not on the qcards, so if you replace
the qcards on the CRDs with 64MB flash you would need the hoglin-sku1536 to
boot on those.