Re: [PATCH 4/4] arm64: dts: qcom: Add base PURWA-IOT-EVK board
From: Dmitry Baryshkov
Date: Tue Dec 23 2025 - 14:08:49 EST
On Tue, Dec 23, 2025 at 10:02:54AM +0800, Yijie Yang wrote:
>
>
> On 12/22/2025 5:22 PM, Dmitry Baryshkov wrote:
> > On Mon, Dec 22, 2025 at 02:03:29PM +0800, YijieYang wrote:
> > > From: Yijie Yang <yijie.yang@xxxxxxxxxxxxxxxx>
> > >
> > > The PURWA-IOT-EVK is an evaluation platform for IoT products, composed of
> > > the Purwa IoT SoM and a carrier board. Together, they form a complete
> > > embedded system capable of booting to UART.
> > >
> > > PURWA-IOT-EVK uses the PS8833 as a retimer for USB0, unlike HAMOA-IOT-EVK.
> > > Meanwhile, USB0 bypasses the SBU selector FSUSB42. As a result, the glink
> > > topology differs from that of HAMOA-IOT-EVK.
> > >
> > > Make the following peripherals on the carrier board enabled:
> > > - UART
> > > - On-board regulators
> > > - Regulators on the SOM
> > > - PMIC GLINK
> > > - USB0 through USB6 and their PHYs
> > > - Embedded USB (EUSB) repeaters
> > > - USB Type-C mux
> > > - PCIe6a and its PHY
> > > - PCIe4 and its PHY
> > > - Reserved memory regions
> > > - Pinctrl
> > > - NVMe
> > > - ADSP, CDSP
> > > - WLAN, Bluetooth (M.2 interface)
> > > - USB DisplayPorts
> > > - Graphic
> > > - Audio
> > >
> > > Signed-off-by: Yijie Yang <yijie.yang@xxxxxxxxxxxxxxxx>
> > > ---
> > > arch/arm64/boot/dts/qcom/Makefile | 1 +
> > > arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 100 ++++++++++++++++++++
> > > arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi | 11 +++
> > > 3 files changed, 112 insertions(+)
> > > create mode 100644 arch/arm64/boot/dts/qcom/purwa-iot-evk.dts
> > > create mode 100644 arch/arm64/boot/dts/qcom/purwa-iot-som.dtsi
> > >
> >
> > > +
> > > +&gpu_zap_shader {
> > > + firmware-name = "qcom/x1e80100/gen71500_zap.mbn";
> >
> > This wasn't tested.
>
> It should be qcom/x1p42100/gen71500_zap.mbn. This has been tested locally.
The DT that you've sent wasn't tested. Please send a fixed version.
>
> >
> > > +};
> > > --
> > > 2.34.1
> > >
> >
>
> --
> Best Regards,
> Yijie
>
--
With best wishes
Dmitry