linux-kernel - Re: [PATCH v4 2/2] arm64: dts: imx8mp-msc-sm2s: Add device trees for MSC SM2S-IMX8PLUS SoM and carrier board

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Date:   Fri, 12 Aug 2022 12:47:17 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Martyn Welch <martyn.welch@...labora.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     kernel@...labora.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 2/2] arm64: dts: imx8mp-msc-sm2s: Add device trees for
 MSC SM2S-IMX8PLUS SoM and carrier board

On 12/08/2022 11:41, Martyn Welch wrote:
> Add device trees for one of a number of MSC's (parent company, Avnet)
> variants of the SM2S-IMX8PLUS system on module along with the compatible
> SM2S-SK-AL-EP1 carrier board. As the name suggests, this family of SoMs use
> the NXP i.MX8MP SoC and provide the SMARC module interface.
> 
> Signed-off-by: Martyn Welch <martyn.welch@...labora.com>
> ---
> 
> Changes in v2
>   - Added compatibles
>   - Removed underscores from node names
>   - Make node names more generic
>   - Reorder properties
>   - Fix issues found by dtbs_check in these files
> 
> Changes in v3:
>   - Switched to avnet vendor string in compatibles
>   - Corrected patch description
> 
> Changes in v4:
>   - Switched from phy-reset-gpios to reset-gpios, removing duplication
>   - Removed unneeded sdma1 node
> 
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  .../freescale/imx8mp-msc-sm2s-14N0600E.dts    |  72 ++
>  .../dts/freescale/imx8mp-msc-sm2s-ep1.dts     |  53 ++
>  .../boot/dts/freescale/imx8mp-msc-sm2s.dtsi   | 812 ++++++++++++++++++
>  4 files changed, 938 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-14N0600E.dts
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-ep1.dts
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 8bf7f7ecebaa..139c8b95c9c9 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -83,6 +83,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk2.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-msc-sm2s-ep1.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw74xx.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-14N0600E.dts b/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-14N0600E.dts
> new file mode 100644
> index 000000000000..9e976e8baaee
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-14N0600E.dts
> @@ -0,0 +1,72 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2022 Avnet Embedded GmbH
> + */
> +/dts-v1/;
> +
> +#include "imx8mp-msc-sm2s.dtsi"
> +
> +/ {
> +	model = "MSC SM2S-IMX8PLUS-QC6-14N0600E SoM";
> +	compatible = "avnet,sm2s-imx8mp-14N0600E", "avnet,sm2s-imx8mp",
> +		     "fsl,imx8mp";

This does not match your bindings. Please test your DTS.

Best regards,
Krzysztof