Re: [PATCH 05/10] arm64: dts: imx8mm: Add Engicam i.Core MX8M Mini EDIMM2.2 Starter Kit

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On Wed, Dec 02, 2020 at 05:42:36PM +0530, Jagan Teki wrote:
> i.Core MX8M Mini is an EDIMM SOM based on NXP i.MX8MM from Engicam.
> 
> EDIMM2.2 Starter Kit is an EDIMM 2.2 Form Factor Capacitive
> Evaluation Board from Engicam.
> 
> i.Core MX8M Mini needs to mount on top of this Evaluation board for
> creating complete i.Core MX8M Mini EDIMM2.2 Starter Kit.
> 
> Add support for it.
> 
> Signed-off-by: Matteo Lisi <matteo.lisi@xxxxxxxxxxx>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |  1 +
>  .../imx8mm-engicam-icore-mx8mm-edimm2.2.dts   | 21 +++++++++++++++++++
>  2 files changed, 22 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-engicam-icore-mx8mm-edimm2.2.dts
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 6f0777ee6cd6..4369d783dade 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -30,6 +30,7 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2162a-qds.dtb
>  
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-beacon-kit.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mm-engicam-icore-mx8mm-edimm2.2.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-ddr4-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-kontron-n801x-s.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-engicam-icore-mx8mm-edimm2.2.dts b/arch/arm64/boot/dts/freescale/imx8mm-engicam-icore-mx8mm-edimm2.2.dts
> new file mode 100644
> index 000000000000..a8afc0998fcd
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-engicam-icore-mx8mm-edimm2.2.dts
> @@ -0,0 +1,21 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2019 NXP
> + * Copyright (c) 2019 Engicam srl
> + * Copyright (c) 2020 Amarula Solutions(India)
> + */
> +
> +/dts-v1/;
> +#include "imx8mm.dtsi"

imx8mm should be included in the SoM, not here. It's really wrong that
you override some nodes in imx8mm-engicam-icore-mx8mm.dtsi which do not
exist there (not included).

> +#include "imx8mm-engicam-edimm2.2.dtsi"
> +#include "imx8mm-engicam-icore-mx8mm.dtsi"
> +
> +/ {
> +	model = "Engicam i.Core MX8M Mini EDIMM2.2 Starter Kit";
> +	compatible = "engicam,icore-mx8mm-edimm2.2", "engicam,icore-mx8mm",

This won't validate against your own bindings. Please fix either the DTS
or the bindings. Then run dtbs_check.

Best regards,
Krzysztof



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