linux-kernel - Re: [PATCH v3 4/5] gpio: aaeon: Add GPIO driver for SRG-IMX8P MCU

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Message-ID: <CAMRc=Me5WfdQPhW8MSMTRZ=6wm+hKAKEOr_aPLyf=PAKA6_0Qw@mail.gmail.com>
Date: Wed, 4 Feb 2026 05:22:24 -0500
From: Bartosz Golaszewski <brgl@...nel.org>
To: "Thomas Perrot (Schneider Electric)" <thomas.perrot@...tlin.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-gpio@...r.kernel.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-watchdog@...r.kernel.org, 
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Linus Walleij <linusw@...nel.org>, Bartosz Golaszewski <brgl@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
	Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, 
	Fabio Estevam <festevam@...il.com>, 
	Jérémie Dautheribes <jeremie.dautheribes@...tlin.com>, 
	Wim Van Sebroeck <wim@...ux-watchdog.org>, Guenter Roeck <linux@...ck-us.net>, Lee Jones <lee@...nel.org>
Subject: Re: [PATCH v3 4/5] gpio: aaeon: Add GPIO driver for SRG-IMX8P MCU

On Tue, 3 Feb 2026 17:21:13 +0100, "Thomas Perrot (Schneider
Electric)" <thomas.perrot@...tlin.com> said:
> Add GPIO driver for the Aaeon SRG-IMX8P embedded controller. This
> driver supports 7 GPO (General Purpose Output) pins and 12 GPIO pins
> that can be configured as inputs or outputs.
>
> The driver implements proper state management for GPO pins (which are
> output-only) and full direction control for GPIO pins. During probe,
> all pins are reset to a known state (GPOs low, GPIOs as inputs) to
> prevent undefined behavior across system reboots, as the MCU does not
> reset GPIO states on soft reboot.
>
> Co-developed-by: Jérémie Dautheribes (Schneider Electric) <jeremie.dautheribes@...tlin.com>
> Signed-off-by: Jérémie Dautheribes (Schneider Electric) <jeremie.dautheribes@...tlin.com>
> Signed-off-by: Thomas Perrot (Schneider Electric) <thomas.perrot@...tlin.com>
> ---

Acked-by: Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>