linux-kernel - Re: [PATCH v2 0/2] Add FRDM i.MX 91 Development board support

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Message-ID: <aT18yj7c27_buJSe@bywater>
Date: Sat, 13 Dec 2025 15:48:42 +0100
From: Francesco Valla <francesco@...la.it>
To: Joseph Guo <qijian.guo@....com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Justin Jiang <justin.jiang@....com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, qijian.guo@....nxp.com,
	Tom Zheng <haidong.zheng@....com>,
	Steven Yang <steven.yang@....com>
Subject: Re: [PATCH v2 0/2] Add FRDM i.MX 91 Development board support

On Fri, Dec 12, 2025 at 11:31:32AM +0900, Joseph Guo wrote:
> FRDM-IMX91 board is a low cost development platform based on i.MX91 SoC:
> https://www.nxp.com/design/design-center/development-boards-and-designs/FRDM-IMX91
> 
> Add device tree and dt-binding for FRDM-IMX91.
> 
> Signed-off-by: Joseph Guo <qijian.guo@....com>
> ---
> Changes in v2:
> - rename compatible 'frdm-imx91' to 'imx91-11x11-frdm'
> - rename 'sw-keys' to 'gpio-keys'
> - rename 'user_btn' to 'button-k'
> - drop lpspi3 node
> - rename iomuxc 'grpsleep' to 'sleepgrp'
> - move dt-binding patch before the dts patch
> - add board page link in cover letter
> - use CAN PHY to manage the stby gpio of flexcan2
> - drop realtek property
> - add pcf2131 aliase
> - add bootph- property for nodes should be kept in bootloader phase
> - add reset-gpio and assert for eqos and fec
> - delete unused alias
> - Link to v1: https://lore.kernel.org/r/20251114-imx91_frdm-v1-0-e5763bdf9336@nxp.com
> 
> ---
> Joseph Guo (2):
>       dt-bindings: arm: imx Add FRDM-IMX91 board
>       arm64: dts: freescale: Add FRDM-IMX91 basic support
> 
>  Documentation/devicetree/bindings/arm/fsl.yaml     |   1 +
>  arch/arm64/boot/dts/freescale/Makefile             |   1 +
>  arch/arm64/boot/dts/freescale/imx91-11x11-frdm.dts | 904 +++++++++++++++++++++
>  3 files changed, 906 insertions(+)
> ---
> base-commit: 73f1e611b076de705c2f1c26cfdfc5b8e96f4733
> change-id: 20251114-imx91_frdm-add2b2c07e78
> 
> Best regards,
> -- 
> Joseph Guo <qijian.guo@....com>
> 
>

Everything is in good shape, the only non-working thing is button-k3 
(but that was expected, as a small hardware modification is required
to reroute the phisical button from system reset to user function).
Not a real issue, at least from my point of view.

Reviewed-by: Francesco Valla <francesco@...la.it>
Tested-by: Francesco Valla <francesco@...la.it>


Regards,
Francesco