linux-kernel - Re: [PATCH v11 3/4] arm64: dts: qcom: Add HAMOA-IOT-SOM platform

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Message-ID: <aMPee9wEOrrW-KMU@linaro.org>
Date: Fri, 12 Sep 2025 10:48:59 +0200
From: Stephan Gerhold <stephan.gerhold@...aro.org>
To: Yijie Yang <yijie.yang@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v11 3/4] arm64: dts: qcom: Add HAMOA-IOT-SOM platform

On Wed, Sep 10, 2025 at 05:02:11PM +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.
> 
> 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
> - Video
> 
> Written in collaboration with Yingying Tang (PCIe4)
> <quic_yintang@...cinc.com> and Wangao Wang (Video)
> <quic_wangaow@...cinc.com>.

This looks like you should have Co-developed-by: tags together with
their Signed-off-by: tags.

> 
> Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> Signed-off-by: Yijie Yang <yijie.yang@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 621 ++++++++++++++++++++++++++++
>  1 file changed, 621 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> new file mode 100644
> index 000000000000..c7c3a167eb6a
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi
> @@ -0,0 +1,621 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +#include "x1e80100.dtsi"
> +#include "x1e80100-pmics.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +
> +/ {
> +	compatible = "hamoa-iot-som", "qcom,x1e80100";

Undocumented compatible (without "qcom," prefix). I think you can just
drop this?

Thanks,
Stephan