Re: [PATCH v2 1/2] dt-bindings: arm: qcom: Add monaco-evk-ac support

[Dmitry Baryshkov]

On Sat, Apr 04, 2026 at 04:15:54PM +0530, Umang Chheda wrote:
> 
> 
> On 4/4/2026 1:58 AM, Dmitry Baryshkov wrote:
> > On Fri, Apr 03, 2026 at 04:14:28PM +0530, Umang Chheda wrote:
> >> Hello Dmitry,
> >>
> >> On 4/1/2026 5:06 PM, Dmitry Baryshkov wrote:
> >>> On Wed, Apr 01, 2026 at 12:14:42AM +0530, Umang Chheda wrote:
> >>>> Introduce bindings for the monaco-evk-ac IoT board, which is
> >>>> based on the monaco-ac (QCS8300-AC) SoC variant.
> >>>
> >>> If it is a different SoC SKU, should it be reflected in the SoC compat
> >>> strings?
> >>
> >> Monaco‑AC does not introduce any S/W differences compared to Monaco SoC
> >> -- All IP blocks and bindings remain identical from S/W PoV, Hence
> >> haven't included the SoC SKU in the SoC compat strings.
> >>
> >> Hope this is okay ? Your view on this ?
> > 
> > You are descibing -AC as the main difference between the kits, but then
> > you say that -AC doesn't bring new software interfaces. What is the
> > difference then between monako-evk and the -ac variant?
> > 
> 
> The major difference between monaco-evk and monaco-ac-evk boards is that
> of power grid. monaco-evk requires 4 PMICs (2x PM8650AU + Maxim MAX20018
> + TI TPS6594) to support higher power requirements of monaco-AA variant
> of SoC which supports upto 40 TOPS of NPU - whereas this board
> "monaco-ac-evk" supports 20 TOPS of NPU and has lesser power
> requirements hence 2 PMICs suffice the power requirements (2x PM8650AU).

Is that the only difference? Is the PCB the same? Should we have a
single common file for those two variants?

> 
> 
> > Also, from the naming point of view, it is monako-ac-evk, not the other
> > way.
> 
> Ack, will change this to "monaco-ac-evk" in the next version.
> 
> Also, should I change DT name "monaco-ac-sku.dts" instead of current
> "monaco-evk-ac-sku" ?

monako-ac-evk.dtsi.

> 
> > 
> >>
> >>>
> >>>>
> >>>> Signed-off-by: Umang Chheda <umang.chheda@xxxxxxxxxxxxxxxx>
> >>>> ---
> >>>>  Documentation/devicetree/bindings/arm/qcom.yaml | 1 +
> >>>>  1 file changed, 1 insertion(+)
> >>>>
> >>>> diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
> >>>> index ca880c105f3b..c76365a89687 100644
> >>>> --- a/Documentation/devicetree/bindings/arm/qcom.yaml
> >>>> +++ b/Documentation/devicetree/bindings/arm/qcom.yaml
> >>>> @@ -918,6 +918,7 @@ properties:
> >>>>            - enum:
> >>>>                - arduino,monza
> >>>>                - qcom,monaco-evk
> >>>> +              - qcom,monaco-evk-ac
> >>>>                - qcom,qcs8300-ride
> >>>>            - const: qcom,qcs8300
> >>>>  
> >>>>
> >>>> -- 
> >>>> 2.34.1
> >>>>
> >>>
> >>
> >> Thanks,
> >> Umang
> > 
> 
> Thanks,
> Umang
> 
> 

-- 
With best wishes
Dmitry