Re: [PATCH v2 3/4] arm64: dts: qcom: Add PURWA-IOT-SOM platform

[Yijie Yang]

On 1/9/2026 8:10 PM, Dmitry Baryshkov wrote:
> On Fri, Jan 09, 2026 at 03:59:53PM +0800, YijieYang wrote:
> > From: Yijie Yang <yijie.yang@xxxxxxxxxxxxxxxx>
> >
> > The PURWA-IOT-SOM is a compact computing module that integrates a System
> > on Chip (SoC) — specifically the x1p42100 — along with essential
> > components optimized for IoT applications. It is designed to be mounted on
> > carrier boards, enabling the development of complete embedded systems.
> >
> > Make the following peripherals on the SOM enabled:
> > - Regulators on the SOM
> > - Reserved memory regions
> > - PCIe6a and its PHY
> > - PCIe4 and its PHY
> > - USB0 through USB6 and their PHYs
> > - ADSP, CDSP
> > - Graphic
> >
> > Signed-off-by: Yijie Yang <yijie.yang@xxxxxxxxxxxxxxxx>
> > ---
> >   .../dts/qcom/{hamoa-iot-som.dtsi => purwa-iot-som.dtsi}   | 8 ++------
> >   1 file changed, 2 insertions(+), 6 deletions(-)
> >   copy arch/arm64/boot/dts/qcom/{hamoa-iot-som.dtsi => purwa-iot-som.dtsi} (99%)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi
> > similarity index 99%
> > copy from arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> > copy to arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi
> > index 4a69852e9176..16f11a81163e 100644
> > --- a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi
>
> I remember, we were told that there are PMIC differences too. Where are
> they handled?

I forgot to remove the unused PMIC node from the SOM file for Purwa.

> > @@ -3,7 +3,7 @@
> >    * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> >    */
> >   
> > -#include "hamoa.dtsi"
> > +#include "purwa.dtsi"
> >   #include "hamoa-pmics.dtsi"
> >   #include <dt-bindings/gpio/gpio.h>
> >   #include <dt-bindings/regulator/qcom,rpmh-regulator.h>

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Best Regards,
Yijie