Thread (9 messages) 9 messages, 3 authors, 2026-04-01

Re: [PATCH v4 0/5] Add support for AAEON SRG-IMX8P MCU

From: Guenter Roeck <linux@roeck-us.net>
Date: 2026-03-26 04:56:59
Also in: imx, linux-devicetree, linux-gpio, linux-watchdog, lkml

Hi,

On 3/24/26 12:24, Thomas Perrot (Schneider Electric) wrote:
This patch series introduces support for the AAEON SRG-IMX8P embedded
controller (MCU). The MCU is connected via I2C and provides GPIO and
watchdog functionality for the SRG-IMX8P board.

The series includes:
- Device tree binding for the MFD driver
- MFD driver that serves as the core driver for the MCU
- GPIO driver implementing the GPIO functionality
- Watchdog driver for system monitoring
- MAINTAINERS entry for the new drivers

The drivers follow the standard Linux kernel subsystem patterns, with
the MFD driver registering the sub-devices (GPIO and watchdog) which
are then handled by their respective subsystem drivers.

Signed-off-by: Thomas Perrot (Schneider Electric) <redacted>
Sashiko reports a number of issues with this series.

https://sashiko.dev/#/patchset/20260324-dev-b4-aaeon-mcu-driver-v4-0-afb011df4794%40bootlin.com

I can not comment on the non-watchdog concerns, even though the ones I looked at
seem to be valid. However, please address the watchdog subsystem related comments.
If functionality such as CONFIG_WATCHDOG_NOWAYOUT is explicitly not supported,
please add the rationale as comment into the driver.

Thanks,
Guenter

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