linux-kernel - Re: [PATCH 10/11] arm64: dts: qcom: ipq5018: Add MP03.5-c1 board support

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Date:   Tue, 7 Mar 2023 16:42:25 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Manikanta Mylavarapu <quic_mmanikan@...cinc.com>,
        agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        jassisinghbrar@...il.com, mathieu.poirier@...aro.org,
        mturquette@...libre.com, sboyd@...nel.org, quic_gurus@...cinc.com,
        loic.poulain@...aro.org, quic_eberman@...cinc.com,
        robimarko@...il.com, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, linux-clk@...r.kernel.org
Cc:     quic_srichara@...cinc.com, quic_gokulsri@...cinc.com,
        quic_sjaganat@...cinc.com, quic_kathirav@...cinc.com,
        quic_arajkuma@...cinc.com, quic_anusha@...cinc.com,
        quic_poovendh@...cinc.com
Subject: Re: [PATCH 10/11] arm64: dts: qcom: ipq5018: Add MP03.5-c1 board
 support

On 07/03/2023 05:41, Manikanta Mylavarapu wrote:
> Add initial device tree support for the MP03.5-C1 board.
> 
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile             |  1 +
>  .../arm64/boot/dts/qcom/ipq5018-mp03.5-c1.dts | 64 +++++++++++++++++++
>  2 files changed, 65 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/ipq5018-mp03.5-c1.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index b77a95e97a56..10d1eafe57e4 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= apq8094-sony-xperia-kitakami-karin_windy.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-ifc6640.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-mp03.1-c2.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-mp03.5-c1.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq6018-cp01-c1.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk10-c1.dtb
> diff --git a/arch/arm64/boot/dts/qcom/ipq5018-mp03.5-c1.dts b/arch/arm64/boot/dts/qcom/ipq5018-mp03.5-c1.dts
> new file mode 100644
> index 000000000000..51ddd7367ac6
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq5018-mp03.5-c1.dts
> @@ -0,0 +1,64 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
> +/*
> + * IPQ5018 CP01 board device tree source
> + *
> + * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include "ipq5018.dtsi"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. IPQ5018/AP-MP03.5-C1";
> +	compatible = "qcom,ipq5018-mp03.5-c1", "qcom,ipq5018";
> +
> +	aliases {
> +		serial0 = &blsp1_uart1;
> +	};
> +
> +	chosen {
> +		bootargs = "console=ttyMSM0,115200,n8 rw init=/init swiotlb=1 coherent_pool=2M";

Not a common DT property. Drop.

> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&tlmm {
> +	blsp0_uart_pins: uart_pins {

Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).

I'll stop the review. Please first run tests.



Best regards,
Krzysztof