[{"id":3676219,"web_url":"http://patchwork.ozlabs.org/comment/3676219/","msgid":"<b4396f57-3501-4e89-9cf3-8dc5d7cad9b7@roeck-us.net>","list_archive_url":null,"date":"2026-04-12T00:12:57","subject":"Re: [PATCH v5 0/5] Add support for AAEON SRG-IMX8P MCU","submitter":{"id":21889,"url":"http://patchwork.ozlabs.org/api/people/21889/","name":"Guenter Roeck","email":"linux@roeck-us.net"},"content":"On 4/8/26 10:21, Thomas Perrot (Schneider Electric) wrote:\n> This patch series introduces support for the AAEON SRG-IMX8P embedded\n> controller (MCU). The MCU is connected via I2C and provides GPIO and\n> watchdog functionality for the SRG-IMX8P board.\n> \n> The series includes:\n> - Device tree binding for the MFD driver\n> - MFD driver that serves as the core driver for the MCU\n> - GPIO driver implementing the GPIO functionality\n> - Watchdog driver for system monitoring\n> - MAINTAINERS entry for the new drivers\n> \n> The drivers follow the standard Linux kernel subsystem patterns, with\n> the MFD driver registering the sub-devices (GPIO and watchdog) which\n> are then handled by their respective subsystem drivers.\n> \n> Signed-off-by: Thomas Perrot (Schneider Electric) <thomas.perrot@bootlin.com>\n\nSashiko has some interesting feedback that might be worth looking into.\n\nhttps://sashiko.dev/#/patchset/20260408-dev-b4-aaeon-mcu-driver-v5-0-ad98bd481668%40bootlin.com\n\nGuenter","headers":{"Return-Path":"\n <linux-gpio+bounces-35056-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=QYxXOR4Q;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=linux-gpio+bounces-35056-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"QYxXOR4Q\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.214.182","smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=roeck-us.net","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4ftWGD61L8z1yGg\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 12 Apr 2026 10:13:08 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 7FC84301D062\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 12 Apr 2026 00:13:02 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 974E517BED0;\n\tSun, 12 Apr 2026 00:13:01 +0000 (UTC)","from mail-pl1-f182.google.com (mail-pl1-f182.google.com\n [209.85.214.182])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 5646822576E\n\tfor <linux-gpio@vger.kernel.org>; Sun, 12 Apr 2026 00:13:00 +0000 (UTC)","by mail-pl1-f182.google.com with SMTP id\n d9443c01a7336-2ad9516a653so15138895ad.0\n        for <linux-gpio@vger.kernel.org>;\n Sat, 11 Apr 2026 17:13:00 -0700 (PDT)","from ?IPV6:2600:1700:e321:62f0:da43:aeff:fecc:bfd5?\n ([2600:1700:e321:62f0:da43:aeff:fecc:bfd5])\n        by smtp.gmail.com with ESMTPSA id\n d9443c01a7336-2b2d4f48d6csm89227725ad.83.2026.04.11.17.12.57\n        (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128);\n        Sat, 11 Apr 2026 17:12:59 -0700 (PDT)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775952781; cv=none;\n b=RtsW9Blfevu5lH+aW3v3Q8gQHL6X/UHQLPpYGCF/o0hod7aqpWMjAFJqnGfOKH0Ourf+7+ka1aG77sVPIV5b/pKZ4ssM4cY727fJx5O2JWTlBb1eantppU/hHY21QAzYI56YJhCPhAkQcWPwa57pi1kpzy0Wl9EtMtGtlcaK/tI=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775952781; c=relaxed/simple;\n\tbh=BnkXiP1EGS3R5lvyEAaBJzPphOHVRXuUFlBdY0++zNM=;\n\th=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From:\n\t In-Reply-To:Content-Type;\n b=TmaPHH8ywUFzGRqYEpy/99opkjvqZy/Y17EyKx7rRsU9BG/6dzzksZeBqbDnJfHiVCl6dduy6ETRygixmAAkxP+5+GRf+EFdpsSS8rzATFNh7GE2eWld4BBK/iS4AGfCHcmgsC4hN17zeeb270vnXsH6hLtlDpzaGTAnQW4WWfI=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=roeck-us.net;\n spf=pass smtp.mailfrom=gmail.com;\n dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=QYxXOR4Q; arc=none smtp.client-ip=209.85.214.182","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n        d=gmail.com; s=20251104; t=1775952780; x=1776557580;\n darn=vger.kernel.org;\n        h=content-transfer-encoding:in-reply-to:autocrypt:from\n         :content-language:references:cc:to:subject:user-agent:mime-version\n         :date:message-id:sender:from:to:cc:subject:date:message-id:reply-to;\n        bh=vLfrZeVjnvmp+3QkfrvuhDHQSzKHvUWkEu3isF9b4sk=;\n        b=QYxXOR4QE0aVxCSvWTsBEVWVQS6M/Cv10q0P+Ht41W/TQcFmhxUIStzWC/ePNmHtkn\n         V6EDgzoDucSSetlar/9int7xUVqR5stO/A4CNp0M/fJ00uXNkLbfv8gY5k2djOywPXNC\n         TpqtBXrGims9rmDFgu/JmMDnLQAPSgZTGA6NPrQtoENi8MDrJDJn9csjWltY1eEJ5rF6\n         urgMn0pvSo5GZBrrrY4gur+x39j7x1Ne2diKWgYfHvApqoffbVXrtwK/389t19pbVGNk\n         IapLWqi+CSUiVGuqAZyqWU33CH7m+oz2IOHPxneLqvkGq+Y+oA/1CwtwF4bwFrgruu5f\n         zSpQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n        d=1e100.net; s=20251104; t=1775952780; x=1776557580;\n        h=content-transfer-encoding:in-reply-to:autocrypt:from\n         :content-language:references:cc:to:subject:user-agent:mime-version\n         :date:message-id:sender:x-gm-gg:x-gm-message-state:from:to:cc\n         :subject:date:message-id:reply-to;\n        bh=vLfrZeVjnvmp+3QkfrvuhDHQSzKHvUWkEu3isF9b4sk=;\n        b=cqGpx035JB89muU0ln7mTyspr5RyP3a0zWFSLWr4bywkyosV7sPRaeeIswa8rqc3i4\n         Caor4bPERuyJBx1CrAG9PMEr/oZx6luogOAvAu73l8HIVBEUVtqxf715c6WC9J14YLHV\n         QHtLv9LQ3HZ01qGxglEo/tY+Rl6/eDf5nFGwXRNESEbmh2aZqbaKtx+OIybgK2ItVh03\n         V9eyKXGXgOnhnES8bjXgj5T/8XPpzToZ2flH3GKBlNgBJc4lRV204iKymPUwZV6TNQHj\n         KPCHpIEgQ9M7crYZNz564wMiwSN8qGTO0KInOLHNX3p4M5RxYJ2FKx4GPxiXaEw0gV5t\n         R3RQ==","X-Forwarded-Encrypted":"i=1;\n AFNElJ9kihm68vh7iZgCwbZvNzOfL9y37J5z2ajyFAnP/iDA0pvZtJJixJH6K/HnM1ZTgACIWgEbgX1fX4NX@vger.kernel.org","X-Gm-Message-State":"AOJu0YxJ6uOtuAYDb9B1f6SPzTMIiB+mPXlGmY+nC0hDPlIUH/EvN0JU\n\tJf3qMVRU0ehkZIjCG58hY2IKzjIpWbM4IOqbrJaJRhcfIhjmGh+wLc7w","X-Gm-Gg":"AeBDies+tW4okmYpXtsIiEblB6yPHE6a83pI3NkaqJ1e3AC5RnU7oaPD68FvG0/Q0Dx\n\tgkU5ZF1T9xuiWy10xv5EAGuSDEA4urGkJ2p+YQrZyGPUXs8C5tr5Za7jyEAqC6rfX9aEuHyydh+\n\tCooU71+mX0P/uNb/QhY4uHEzt6+hDxfX5hsL1Hsy08WVFYe5q7Cyk3i2+LAiXQUUeTwAkqAv0Wo\n\t51oScr3DO1MKwa4SV1/YJIXcwYoq+dZPZE7fAeBzNocmYoLe/JM6c/Vb49f2DN+WiRsdI363NEg\n\tHYkm/U89cVz0T2IQNNI0OdiPnE3IRXx5HhVikPXgKmCy+G3xqSlnbXkWsruXJEq1QIwqVG8Ft7U\n\tFZwrvFuD8nIIcnktvvI0hG7RJEoiFfjCKRhecBJcfxuwUM7E70pBtA+4W6KLgdnDZZbYoDeTZJi\n\tNCWTXNaHNnJb8ADfRYSa661zsGti+SZDmu6PW5KUTXMvSDcvjHudpBX+TyVbTToXVTKtxNnLEe","X-Received":"by 2002:a17:902:fc87:b0:2b2:4611:5dca with SMTP id\n d9443c01a7336-2b2d5a15390mr88995925ad.24.1775952779631;\n        Sat, 11 Apr 2026 17:12:59 -0700 (PDT)","Sender":"Guenter Roeck <groeck7@gmail.com>","Message-ID":"<b4396f57-3501-4e89-9cf3-8dc5d7cad9b7@roeck-us.net>","Date":"Sat, 11 Apr 2026 17:12:57 -0700","Precedence":"bulk","X-Mailing-List":"linux-gpio@vger.kernel.org","List-Id":"<linux-gpio.vger.kernel.org>","List-Subscribe":"<mailto:linux-gpio+subscribe@vger.kernel.org>","List-Unsubscribe":"<mailto:linux-gpio+unsubscribe@vger.kernel.org>","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH v5 0/5] Add support for AAEON SRG-IMX8P MCU","To":"\"Thomas Perrot (Schneider Electric)\" <thomas.perrot@bootlin.com>,\n Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>, Linus Walleij <linusw@kernel.org>,\n Bartosz Golaszewski <brgl@kernel.org>, Shawn Guo <shawnguo@kernel.org>,\n Sascha Hauer <s.hauer@pengutronix.de>,\n Pengutronix Kernel Team <kernel@pengutronix.de>,\n Fabio Estevam <festevam@gmail.com>,\n =?utf-8?b?SsOpcsOpbWllIERhdXRoZXJpYmVz?= <jeremie.dautheribes@bootlin.com>,\n Wim Van Sebroeck <wim@linux-watchdog.org>, Lee Jones <lee@kernel.org>","Cc":"devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,\n linux-gpio@vger.kernel.org, imx@lists.linux.dev,\n linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org,\n Thomas Petazzoni <thomas.petazzoni@bootlin.com>,\n Miquel Raynal <miquel.raynal@bootlin.com>,\n Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>,\n Conor Dooley <conor.dooley@microchip.com>,\n Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>","References":"<20260408-dev-b4-aaeon-mcu-driver-v5-0-ad98bd481668@bootlin.com>","Content-Language":"en-US","From":"Guenter Roeck <linux@roeck-us.net>","Autocrypt":"addr=linux@roeck-us.net; keydata=\n xsFNBE6H1WcBEACu6jIcw5kZ5dGeJ7E7B2uweQR/4FGxH10/H1O1+ApmcQ9i87XdZQiB9cpN\n RYHA7RCEK2dh6dDccykQk3bC90xXMPg+O3R+C/SkwcnUak1UZaeK/SwQbq/t0tkMzYDRxfJ7\n nyFiKxUehbNF3r9qlJgPqONwX5vJy4/GvDHdddSCxV41P/ejsZ8PykxyJs98UWhF54tGRWFl\n 7i1xvaDB9lN5WTLRKSO7wICuLiSz5WZHXMkyF4d+/O5ll7yz/o/JxK5vO/sduYDIlFTvBZDh\n gzaEtNf5tQjsjG4io8E0Yq0ViobLkS2RTNZT8ICq/Jmvl0SpbHRvYwa2DhNsK0YjHFQBB0FX\n IdhdUEzNefcNcYvqigJpdICoP2e4yJSyflHFO4dr0OrdnGLe1Zi/8Xo/2+M1dSSEt196rXaC\n kwu2KgIgmkRBb3cp2vIBBIIowU8W3qC1+w+RdMUrZxKGWJ3juwcgveJlzMpMZNyM1jobSXZ0\n VHGMNJ3MwXlrEFPXaYJgibcg6brM6wGfX/LBvc/haWw4yO24lT5eitm4UBdIy9pKkKmHHh7s\n jfZJkB5fWKVdoCv/omy6UyH6ykLOPFugl+hVL2Prf8xrXuZe1CMS7ID9Lc8FaL1ROIN/W8Vk\n BIsJMaWOhks//7d92Uf3EArDlDShwR2+D+AMon8NULuLBHiEUQARAQABzTJHdWVudGVyIFJv\n ZWNrIChMaW51eCBhY2NvdW50KSA8bGludXhAcm9lY2stdXMubmV0PsLBgQQTAQIAKwIbAwYL\n CQgHAwIGFQgCCQoLBBYCAwECHgECF4ACGQEFAmgrMyQFCSbODQkACgkQyx8mb86fmYGcWRAA\n oRwrk7V8fULqnGGpBIjp7pvR187Yzx+lhMGUHuM5H56TFEqeVwCMLWB2x1YRolYbY4MEFlQg\n VUFcfeW0OknSr1s6wtrtQm0gdkolM8OcCL9ptTHOg1mmXa4YpW8QJiL0AVtbpE9BroeWGl9v\n 2TGILPm9mVp+GmMQgkNeCS7Jonq5f5pDUGumAMguWzMFEg+Imt9wr2YA7aGen7KPSqJeQPpj\n onPKhu7O/KJKkuC50ylxizHzmGx+IUSmOZxN950pZUFvVZH9CwhAAl+NYUtcF5ry/uSYG2U7\n DCvpzqOryJRemKN63qt1bjF6cltsXwxjKOw6CvdjJYA3n6xCWLuJ6yk6CAy1Ukh545NhgBAs\n rGGVkl6TUBi0ixL3EF3RWLa9IMDcHN32r7OBhw6vbul8HqyTFZWY2ksTvlTl+qG3zV6AJuzT\n WdXmbcKN+TdhO5XlxVlbZoCm7ViBj1+PvIFQZCnLAhqSd/DJlhaq8fFXx1dCUPgQDcD+wo65\n qulV/NijfU8bzFfEPgYP/3LP+BSAyFs33y/mdP8kbMxSCjnLEhimQMrSSo/To1Gxp5C97fw5\n 3m1CaMILGKCmfI1B8iA8zd8ib7t1Rg0qCwcAnvsM36SkrID32GfFbv873bNskJCHAISK3Xkz\n qo7IYZmjk/IJGbsiGzxUhvicwkgKE9r7a1rOwU0ETofVZwEQALlLbQeBDTDbwQYrj0gbx3bq\n 7kpKABxN2MqeuqGr02DpS9883d/t7ontxasXoEz2GTioevvRmllJlPQERVxM8gQoNg22twF7\n pB/zsrIjxkE9heE4wYfN1AyzT+AxgYN6f8hVQ7Nrc9XgZZe+8IkuW/Nf64KzNJXnSH4u6nJM\n J2+Dt274YoFcXR1nG76Q259mKwzbCukKbd6piL+VsT/qBrLhZe9Ivbjq5WMdkQKnP7gYKCAi\n pNVJC4enWfivZsYupMd9qn7Uv/oCZDYoBTdMSBUblaLMwlcjnPpOYK5rfHvC4opxl+P/Vzyz\n 6WC2TLkPtKvYvXmdsI6rnEI4Uucg0Au/Ulg7aqqKhzGPIbVaL+U0Wk82nz6hz+WP2ggTrY1w\n ZlPlRt8WM9w6WfLf2j+PuGklj37m+KvaOEfLsF1v464dSpy1tQVHhhp8LFTxh/6RWkRIR2uF\n I4v3Xu/k5D0LhaZHpQ4C+xKsQxpTGuYh2tnRaRL14YMW1dlI3HfeB2gj7Yc8XdHh9vkpPyuT\n nY/ZsFbnvBtiw7GchKKri2gDhRb2QNNDyBnQn5mRFw7CyuFclAksOdV/sdpQnYlYcRQWOUGY\n HhQ5eqTRZjm9z+qQe/T0HQpmiPTqQcIaG/edgKVTUjITfA7AJMKLQHgp04Vylb+G6jocnQQX\n JqvvP09whbqrABEBAAHCwWUEGAECAA8CGwwFAmgrMyQFCSbODQkACgkQyx8mb86fmYHlgg/9\n H5JeDmB4jsreE9Bn621wZk7NMzxy9STxiVKSh8Mq4pb+IDu1RU2iLyetCY1TiJlcxnE362kj\n njrfAdqyPteHM+LU59NtEbGwrfcXdQoh4XdMuPA5ADetPLma3YiRa3VsVkLwpnR7ilgwQw6u\n dycEaOxQ7LUXCs0JaGVVP25Z2hMkHBwx6BlW6EZLNgzGI2rswSZ7SKcsBd1IRHVf0miwIFYy\n j/UEfAFNW+tbtKPNn3xZTLs3quQN7GdYLh+J0XxITpBZaFOpwEKV+VS36pSLnNl0T5wm0E/y\n scPJ0OVY7ly5Vm1nnoH4licaU5Y1nSkFR/j2douI5P7Cj687WuNMC6CcFd6j72kRfxklOqXw\n zvy+2NEcXyziiLXp84130yxAKXfluax9sZhhrhKT6VrD45S6N3HxJpXQ/RY/EX35neH2/F7B\n RgSloce2+zWfpELyS1qRkCUTt1tlGV2p+y2BPfXzrHn2vxvbhEn1QpQ6t+85FKN8YEhJEygJ\n F0WaMvQMNrk9UAUziVcUkLU52NS9SXqpVg8vgrO0JKx97IXFPcNh0DWsSj/0Y8HO/RDkGXYn\n FDMj7fZSPKyPQPmEHg+W/KzxSSfdgWIHF2QaQ0b2q1wOSec4Rti52ohmNSY+KNIW/zODhugJ\n np3900V20aS7eD9K8GTU0TGC1pyz6IVJwIE=","In-Reply-To":"<20260408-dev-b4-aaeon-mcu-driver-v5-0-ad98bd481668@bootlin.com>","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit"}}]