From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (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 66D7230F7EB; Fri, 12 Dec 2025 07:41:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765525295; cv=none; b=rLO0DS65ZNKWEc6DnW0sHWI8aDLyp3ui8UrO2kfowOANBUffrrVPgoLtoxi3cDH5jQgQzeiT7vmqeYc/n2x+2DG8m2jSiLm7BgSLlW9z66NnVjsHSKksKFvXEVo/bdokMU40QNRTqLoVaMbKJPRbO43FjSJOaV+i8RIE2IZA8eU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765525295; c=relaxed/simple; bh=BSmAnzV4B6s6gqsxe7AXAr9CaPdItinYcag7ge3M574=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lffwmsgPhhdtwnSgYaQcIRjd9TUD3CPhRFeW29P/v3RIVE/8eykPg8droCnSed2X/cCoO5Dub23zMUAKe5BroDxKUWB1U2XZDahMjNZQRSM56nVwfepN2JRAlXvTHsIgKHi4G/sBc4n833BMVmqPt+REJtggr+8OHV0+cWrR4ws= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=s9BvrZnm; arc=none smtp.client-ip=185.171.202.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="s9BvrZnm" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 31FB5C1935D; Fri, 12 Dec 2025 07:41:08 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 32DF3606DF; Fri, 12 Dec 2025 07:41:32 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 459DE103C8DF7; Fri, 12 Dec 2025 08:41:29 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1765525291; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=3KTFJp4GBF6e0UyvSTrCDMZ0n3vB42aRXVc/F+Pp15I=; b=s9BvrZnmkucinAOhUQlG3YtEU1bPxzm06ijVoRb8g/UHd5hkEttd7aK8ZtN7CzGm/EflFs zDVXsGoL0EhKNJfRqoXaxgsmilZMKgM7k94ohDxneVy/XGPxZZrcAm17e0XUNv8SDK9rUF PbmBn79blgND/mf8eLtfNnbB6QJDMDe5VI9lxEJRqDkq+UgiVkLtoIj3llj1cv3HhajH0B 7u26nTxrrfxtdNYVzWYnWey+88h1tHpqBMIzeK5aGHH1GGijrpWiegQNJMv2pSIWgrNOkz sN9QlklFkjMnxFV4SD3w00vLG8DcnWqfdimINjsAC7IIbCD3aK7jpEfwHNCltA== From: "Thomas Perrot (Schneider Electric)" Date: Fri, 12 Dec 2025 08:41:06 +0100 Subject: [PATCH 3/8] dt-bindings: watchdog: Add AAEON embedded controller watchdog binding Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20251212-dev-b4-aaeon-mcu-driver-v1-3-6bd65bc8ef12@bootlin.com> References: <20251212-dev-b4-aaeon-mcu-driver-v1-0-6bd65bc8ef12@bootlin.com> In-Reply-To: <20251212-dev-b4-aaeon-mcu-driver-v1-0-6bd65bc8ef12@bootlin.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Bartosz Golaszewski , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , =?utf-8?q?J=C3=A9r=C3=A9mie_Dautheribes?= , Wim Van Sebroeck , Guenter Roeck , Lee Jones Cc: 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 Perrot (Schneider Electric)" , Thomas Petazzoni X-Mailer: b4 0.14.2 X-Last-TLS-Session-Version: TLSv1.3 Add device tree binding documentation for the watchdog timer functionality provided by the AAEON embedded controller. The watchdog has a maximum hardware heartbeat of 25 seconds and supports a timeout of up to 240 seconds through automatic pinging. The watchdog is defined as a child node of the AAEON MCU device. Signed-off-by: Thomas Perrot (Schneider Electric) --- .../bindings/watchdog/aaeon,srg-imx8pl-wdt.yaml | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/Documentation/devicetree/bindings/watchdog/aaeon,srg-imx8pl-wdt.yaml b/Documentation/devicetree/bindings/watchdog/aaeon,srg-imx8pl-wdt.yaml new file mode 100644 index 0000000000000000000000000000000000000000..d19a2f4fd38826ff4d1ce6b0b7f12e8b6879445f --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/aaeon,srg-imx8pl-wdt.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/aaeon,srg-imx8pl-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AAEON Embedded Controller Watchdog Timer + +maintainers: + - Jérémie Dautheribes + - Thomas Perrot + +description: | + Watchdog timer functionality provided by the AAEON embedded controller. + The 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. + + The watchdog is a sub-device of the AAEON MCU and must be defined as a + child node of the MCU device. + +allOf: + - $ref: watchdog.yaml# + +properties: + compatible: + const: aaeon,srg-imx8pl-wdt + +required: + - compatible + +additionalProperties: false + +examples: + - | + watchdog { + compatible = "aaeon,srg-imx8pl-wdt"; + }; -- 2.52.0