linux-kernel - Re: [PATCH V2 2/2] arm64: dts: qcom: Add Monaco evaluation kit initial board support

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Message-ID: <4rxy4iuqy3dstfuv744gw327gf5n5g6notjpmkspjme2w4sd3j@5sbqfoumb5y7>
Date: Fri, 1 Aug 2025 20:14:48 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Umang Chheda <umang.chheda@....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,
        Rakesh Kota <quic_kotarake@...cinc.com>,
        Nirmesh Kumar Singh <quic_nkumarsi@...cinc.com>
Subject: Re: [PATCH V2 2/2] arm64: dts: qcom: Add Monaco evaluation kit
 initial board support

On Fri, Aug 01, 2025 at 10:06:07PM +0530, Umang Chheda wrote:
> Add initial device tree support for Monaco EVK board, based on
> Qualcomm's QCS8300 SoC.
> 
> Implement basic features like uart/ufs to enable 'boot to shell'.

"boot to shell" only makes sense if the platform is new and not all
devices are enabled in the Linux kernel. Granted by the current level of
the platform support, DT files for the EVK should have much more
features. Please submit a full DT at once.

> 
> Co-developed-by: Rakesh Kota <quic_kotarake@...cinc.com>
> Signed-off-by: Rakesh Kota <quic_kotarake@...cinc.com>
> Co-developed-by: Nirmesh Kumar Singh <quic_nkumarsi@...cinc.com>
> Signed-off-by: Nirmesh Kumar Singh <quic_nkumarsi@...cinc.com>
> Signed-off-by: Umang Chheda <umang.chheda@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile       |   1 +
>  arch/arm64/boot/dts/qcom/monaco-evk.dts | 199 ++++++++++++++++++++++++
>  2 files changed, 200 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/monaco-evk.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 4bfa926b6a08..e78f56762b6d 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -29,6 +29,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp433.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp449.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp453.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp454.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= monaco-evk.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8216-samsung-fortuna3g.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-acer-a1-724.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-alcatel-idol347.dtb
> diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts
> new file mode 100644
> index 000000000000..1e0635c93556
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts
> @@ -0,0 +1,199 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2025 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +
> +#include "qcs8300.dtsi"

No qcs8300-pmics.dtsi? Why?

> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. Monaco EVK";
> +	compatible = "qcom,monaco-evk", "qcom,qcs8300";
> +
> +	aliases {
> +		serial0 = &uart7;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +

-- 
With best wishes
Dmitry