linux-kernel - [PATCH 0/2] Add NXP FRDM-IMX91S board support

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Message-Id: <20251205-imx91s-frdm-v1-0-afd6cd01c299@nxp.com>
Date: Fri, 05 Dec 2025 17:03:57 +0900
From: "Yanan.Yang" <yanan.yang@....com>
To: 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>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 yanan.yang@....com, qijian.guo@....com, justin.jiang@....com, 
 Lei Xu <lei.xu@....com>, Xiaofeng Wei <xiaofeng.wei@....com>
Subject: [PATCH 0/2] Add NXP FRDM-IMX91S board support

This patch set introduces DeviceTree support for the NXP FRDM-IMX91S
development board based on the i.MX91 SoC. FRDM-IMX91S is a cost-optimized
variant of FRDM-IMX91 and differs in several hardware aspects:

- 512MB LPDDR4 (FRDM-IMX91 uses 1GB)
- 256MB FlexSPI-NAND (FRDM-IMX91 uses 8GB eMMC)
- Single GbE port (FRDM-IMX91 has dual GbE)
- PMIC PF9453 (FRDM-IMX91 uses PCA9451A)

This patch has been tested on FRDM-IMX91S board and verified for basic
functionality.

For more details about the FRDM-IMX91S board, see:
https://www.nxp.com/design/design-center/development-boards-and-designs/FRDM-IMX91S

Signed-off-by: Yanan.Yang <yanan.yang@....com>
---
Yanan.Yang (2):
      dt-bindings: arm: fsl: Add FRDM-IMX91S board
      arm64: dts: freescale: add NXP FRDM-IMX91S board support

 Documentation/devicetree/bindings/arm/fsl.yaml     |   1 +
 arch/arm64/boot/dts/freescale/Makefile             |   1 +
 .../boot/dts/freescale/imx91-11x11-frdm-s.dts      | 692 +++++++++++++++++++++
 3 files changed, 694 insertions(+)
---
base-commit: bc04acf4aeca588496124a6cf54bfce3db327039
change-id: 20251205-imx91s-frdm-2c339bcc2f6f

Best regards,
-- 
Yanan.Yang <yanan.yang@....com>