linux-kernel - [RFC PATCH v1 0/2] platform: toradex: Add toradex embedded controller

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Message-Id: <20250313144331.70591-1-francesco@dolcini.it>
Date: Thu, 13 Mar 2025 15:43:29 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Emanuele Ghidoli <ghidoliemanuele@...il.com>,
	Francesco Dolcini <francesco@...cini.it>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Francesco Dolcini <francesco.dolcini@...adex.com>,
	Emanuele Ghidoli <emanuele.ghidoli@...adex.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-i2c@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	soc@...nel.org,
	Andy Shevchenko <andy@...nel.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [RFC PATCH v1 0/2] platform: toradex: Add toradex embedded controller

From: Francesco Dolcini <francesco.dolcini@...adex.com>

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

-- 
2.39.5