Re: [PATCH v2 4/4] arm64: dts: qcom: Add base HAMOA-IOT-EVK board

[Yijie Yang]

On 2025-07-25 17:18, Krzysztof Kozlowski wrote:
> On 25/07/2025 11:01, Yijie Yang wrote:
> > wcn7850_pmu: wcn7850-pmu@xxxx {
> >       compatible = "qcom,wcn7850-pmu";
> >       reg = <0x...>;
> >       vdd-supply = <&dummy_reg>;
> >       vddaon-supply = <&dummy_reg>;
> >       vdddig-supply = <&dummy_reg>;
> >       vddrfa1p2-supply = <&dummy_reg>;
> >       vddrfa1p8-supply = <&dummy_reg>;
> > };
> > This approach ensures the DTB passes schema checks while keeping the
> > implementation clean and consistent with the actual platform setup. Do
> > you think this is appropriate?
>
> No. There is no dummy regulator in the hardware, so you cannot add it to
> the DTS.

What should I do in this case? Is it acceptable to deviate from the 
dt-binding rules due to differences in firmware behavior? Otherwise, 
I’ll need to revert to the first version, leave a TODO in the DTS, and 
wait for someone to properly model the M.2 card.

> Best regards,
> Krzysztof

--
Best Regards,
Yijie