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

[Yijie Yang]

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.

> > +};
> > --
> > 2.34.1

--
Best Regards,
Yijie