From patchwork Thu Mar 13 14:43:29 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francesco Dolcini X-Patchwork-Id: 874040 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6D48D241C8B; Thu, 13 Mar 2025 14:50:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741877437; cv=none; b=gw9YWD0lqIH0a9XQb+Uajc3T/VBZA0iFhykzPi4lE3wY8a7G1HkWAAqxJ0dYAn5VipFYFs4grFU80p67SglyVeHAdcAzQnBQwv6WgMqurx/mVlKEDWJm1ewvhSE6tqvNnu63mhkXy1qUWkGyYFd7Xdh1KT1PkZ5chr64zRQHjrw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741877437; c=relaxed/simple; bh=JASbuPnq/fZZqtfMCcxNabCPg2YoMwjcfwmLMkH+GjU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=cu+WGg5cZUz+wxO3qhiB8zODab15fbZVX0C6+2NDhC9hEP7T/jNAWEUDe9FctnPDEiXoWDd5m38cARPUJLba2YxWUqFkF4xkCw1+YrDRoTsfEHBpU467Bqi0neSPOVzd1J2hsJuRNCgChPsdsyirJKjj1HGRSxIhTYs7gwlCWkc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=agQ7/Afl; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="agQ7/Afl" Received: from francesco-nb.pivistrello.it (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 6D3391F92C; Thu, 13 Mar 2025 15:43:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1741877015; bh=u4y3Mf6vb5tkFjtxo50EBb/g8sSjRTOwS1HEz/JCbvI=; h=From:To:Subject; b=agQ7/AflldL57JLuFwV0NTTCbXaKqalGl3674H4jRNx/vwUS6tf0B0t2vB/GAwE6n pZ1yIlKhhQ3OPEGWPOOAlJmbDm+9dxWpoibqB6ibEZnRO6yEr4VmkMMZCGuXAPCs43 5uW4BHSEHoTtZDTVZ9kWG01ZYJhKC+Mlt+m4lkuLcbLwzfqehFddXDSMWzUvY910BV WYyqJrRzPI/oDtFW2q3BKbd1W4/dRY31eLKEba1tnq604iqsF20UzIfQp9bS4GHpFF 9aK0eYcfS8Kaa3/amZ0DLeD0MIDXvcKvJkzM6yo7qBvo0MqXI/bK51t7OiIVj/sK1/ 0/lsOtvtX8LIA== From: Francesco Dolcini To: Emanuele Ghidoli , Francesco Dolcini , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Francesco Dolcini , Emanuele Ghidoli , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, Arnd Bergmann , soc@kernel.org, Andy Shevchenko , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [RFC PATCH v1 0/2] platform: toradex: Add toradex embedded controller Date: Thu, 13 Mar 2025 15:43:29 +0100 Message-Id: <20250313144331.70591-1-francesco@dolcini.it> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Francesco Dolcini This series adds support for the Toradex Embedded Controller, currently used on Toradex SMARC iMX95 and iMX8MP boards, with more to come in the future. The EC provides board power-off, reset and GPIO expander functionalities. Sending it as an RFC to gather initial feedback on it before investing more time in testing and adding the remaining functionalities, with that said both the code and the binding are in condition to be wholly reviewed. Emanuele Ghidoli (2): dt-bindings: firmware: add toradex,embedded-controller platform: toradex: add preliminary support for Embedded Controller .../firmware/toradex,embedded-controller.yaml | 44 +++++ MAINTAINERS | 7 + drivers/platform/Kconfig | 2 + drivers/platform/Makefile | 1 + drivers/platform/toradex/Kconfig | 18 ++ drivers/platform/toradex/Makefile | 1 + drivers/platform/toradex/toradex-ec.c | 155 ++++++++++++++++++ 7 files changed, 228 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/toradex,embedded-controller.yaml create mode 100644 drivers/platform/toradex/Kconfig create mode 100644 drivers/platform/toradex/Makefile create mode 100644 drivers/platform/toradex/toradex-ec.c