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

[Yijie Yang]

On 2025-07-18 02:52, Dmitry Baryshkov wrote:
> On Wed, Jul 16, 2025 at 05:08:41PM +0800, Yijie Yang wrote:
> > The HAMOA-IOT-SOM is a compact computing module that integrates a System
> > on Chip (SoC) — specifically the x1e80100 — along with essential
> > components optimized for IoT applications. It is designed to be mounted on
> > carrier boards, enabling the development of complete embedded systems.
> >
> > This change enables and overlays the following components:
> > - Regulators on the SOM
> > - Reserved memory regions
> > - PCIe6a and its PHY
> > - PCIe4 and its PHY
> > - USB0 through USB6 and their PHYs
> > - ADSP, CDSP
> > - WLAN, Bluetooth (M.2 interface)
> >
> > Written with contributions from Yingying Tang (added PCIe4 and its PHY to
> > enable WLAN).
> >
> > Signed-off-by: Yijie Yang <yijie.yang@xxxxxxxxxxxxxxxx>
> > ---
> >   arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 607 ++++++++++++++++++++++++++++
> >   1 file changed, 607 insertions(+)
>
> > +&remoteproc_adsp {
> > +	firmware-name = "qcom/hamoa-iot/adsp.mbn",
> > +			"qcom/hamoa-iot/adsp_dtb.mbn";
>
> Is there a significant difference qcom/x1e80100/adsp.mbn ? If not, can
> we use that firmware?

I believe there are differences in firmware between it and the EVK, even 
if they’re minor. Therefore, it's better to maintain a dedicated folder 
for each board and move the code to the carrier board.

> > +
> > +	status = "okay";
> > +};
> > +
> > +&remoteproc_cdsp {
> > +	firmware-name = "qcom/hamoa-iot/cdsp.mbn",
> > +			"qcom/hamoa-iot/cdsp_dtb.mbn";
> > +
> > +	status = "okay";
> > +};
> > +

--
Best Regards,
Yijie