From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 27D302DFA4A; Wed, 4 Feb 2026 18:11:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770228711; cv=none; b=bapQVyF6vvaHgXOeJh1mCRHcX5g0dYJxk/V7EJAcjH680fTbgSkopnhl/X7XqYAt4xCrgwDio0PkqBF/adqd1kQioSp9l/kJvUtd8hYXPKFgBUUL9HLm7/K9017fyIcLaZD9KimHmu84TQotrTS2PvoNZSSPjafgKY4kP7uoHTk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770228711; c=relaxed/simple; bh=qCuNCw5IkJNixUvOBqrReN5HqNAq3KCu5sG7c619BoA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AAQcJgN+/T13xIJSwa07AUmhK/Rm46wviO8Klyb66bOWpoa1iWfqyatm23VEp/eo46fR+NIfXilYUy3Hpqgxyi8v+9AaJw0zyDFJlgWRVy4qVhl0dbXJOCaZJ6TwzsaB9TwOPDrhlgZLbOuh9omUVxKVwtA16K/0DmW6z/CF/YI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DBQayiqj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DBQayiqj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF901C4CEF7; Wed, 4 Feb 2026 18:11:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770228710; bh=qCuNCw5IkJNixUvOBqrReN5HqNAq3KCu5sG7c619BoA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=DBQayiqjrTOR6s+iPhx0yVASon0LRlZgSCzxydu5vTbotYR8Oc+yeHSv9sCh8BQWm Ye53SZFibKIuXdefnyTN5bJJnMmAHIrjnAehj7I130jis5FTKJIaLro273Yr2nXf74 VX7JJTAkkNrR7+oxxLTgW7FMYHU04LASVyDGr/6K8YKnq8dNSxm//z5YKTG6Vid5W2 7DG/LwE6w7Y1/eK8wuND7aOeOwtJFTYVLjjD30uIoYUfQ1KjYmzlOevtFn9osFdOUF 1nSSRSfqY7iyYE3VcWQoOm6gWYWaKS1yjWk4zOIAQ+tHeng3hgOsT7VaEgyvzm4j8w 24py92m7Age6Q== Date: Wed, 4 Feb 2026 18:11:44 +0000 From: Conor Dooley To: "Thomas Perrot (Schneider Electric)" Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Bartosz Golaszewski , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , =?iso-8859-1?Q?J=E9r=E9mie?= Dautheribes , Wim Van Sebroeck , Guenter Roeck , Lee Jones , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org, Thomas Petazzoni Subject: Re: [PATCH v3 2/5] dt-bindings: mfd: Add AAEON embedded controller Message-ID: <20260204-feminize-agility-60c8463b849f@spud> References: <20260203-dev-b4-aaeon-mcu-driver-v3-0-0a19432076ac@bootlin.com> <20260203-dev-b4-aaeon-mcu-driver-v3-2-0a19432076ac@bootlin.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="HXLOdRZlhDXypzvT" Content-Disposition: inline In-Reply-To: <20260203-dev-b4-aaeon-mcu-driver-v3-2-0a19432076ac@bootlin.com> --HXLOdRZlhDXypzvT Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 03, 2026 at 05:21:11PM +0100, Thomas Perrot (Schneider Electric= ) wrote: > Add device tree binding documentation for the AAEON embedded controller > (MCU). This microcontroller is found on AAEON embedded boards, it is > connected via I2C and and provides a GPIO control and watchdog timer. >=20 > Signed-off-by: Thomas Perrot (Schneider Electric) > --- > .../bindings/mfd/aaeon,srg-imx8p-mcu.yaml | 67 ++++++++++++++++= ++++++ > MAINTAINERS | 6 ++ > 2 files changed, 73 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/mfd/aaeon,srg-imx8p-mcu.ya= ml b/Documentation/devicetree/bindings/mfd/aaeon,srg-imx8p-mcu.yaml > new file mode 100644 > index 0000000000000000000000000000000000000000..9d109fb0d53cb2a859f5a908a= 35611394eb87807 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/aaeon,srg-imx8p-mcu.yaml > @@ -0,0 +1,67 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mfd/aaeon,srg-imx8p-mcu.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: AAEON Embedded Controller > + > +maintainers: > + - J=E9r=E9mie Dautheribes > + - Thomas Perrot > + > +description: > + AAEON embeds a microcontroller on Standard RISC Gateway with ARM i.MX8= M Plus > + Quad-Core boards providing GPIO control and watchdog timer. > + > + This MCU is connected via I2C bus. > + > + Its GPIO controller provides 7 GPOs and 12 GPIOs. > + > + Its watchdog has a fixed maximum hardware heartbeat of 25 seconds and = supports > + a timeout of 240 seconds through automatic pinging. > + The timeout is not programmable and cannot be changed via device tree = properties. > + > +properties: > + compatible: > + const: aaeon,srg-imx8p-mcu > + > + reg: > + maxItems: 1 > + > + gpio-controller: true > + > + "#gpio-cells": > + const: 2 > + > + gpio-line-names: > + minItems: 1 > + maxItems: 19 > + > +required: > + - compatible > + - reg > + - gpio-controller > + - "#gpio-cells" > + > +additionalProperties: false > + > +examples: > + - | > + i2c { > + #address-cells =3D <1>; > + #size-cells =3D <0>; > + > + aaeon_mcu: embedded-controller@62 { Drop the label here if you respin, Reviewed-by: Conor Dooley pw-bot: not-applicable Cheers, Conor. --HXLOdRZlhDXypzvT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaYOL4AAKCRB4tDGHoIJi 0me5AP0Q4Vynal5/kaTGfbXrTSrgT5VjBcR+EW/KnfBt6y4CjgEA6Q3hjEEHMGbs fKUHq0HWTVrOfpWRRc0bmTyLQLv51wk= =0QQX -----END PGP SIGNATURE----- --HXLOdRZlhDXypzvT--