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Message-Id: <20240503-congatec-board-controller-v2-0-681511a01c8f@bootlin.com>
Date: Tue, 17 Sep 2024 19:00:46 +0200
From: Thomas Richard <thomas.richard@...tlin.com>
To: Lee Jones <lee@...nel.org>, Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>, Andi Shyti <andi.shyti@...nel.org>,
Wim Van Sebroeck <wim@...ux-watchdog.org>,
Guenter Roeck <linux@...ck-us.net>
Cc: linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-i2c@...r.kernel.org, linux-watchdog@...r.kernel.org,
thomas.petazzoni@...tlin.com, blake.vermeer@...sight.com,
Thomas Richard <thomas.richard@...tlin.com>
Subject: [PATCH v2 0/5] Congatec Board Controller drivers
This is a new iteration of the Congatec Board Controller series.
For the MFD driver, the main change is the use of
platform_device_register_simple() which makes the code smaller.
For the GPIO driver the main change is the use of guard() and scope_gard().
For the I2C bus driver, the I2C_FUNC_SMBUS_QUICK flag was unset as the
controller doesn't support smbus quick accesses.
For the Watchdog driver, min_timeout and max_timeout are configured now,
and watchdog_init_timeout() is used to initialize the timeout.
More details in the changelog.
Best Regards,
Thomas
Signed-off-by: Thomas Richard <thomas.richard@...tlin.com>
---
Changes in v2:
- mfd: use platform_device_register_simple(), so struct cgbc_platform_data
and cgbc_create_platform_device() were removed.
- mfd: rename cgbc_detect_device() to cgbc_wait_device().
- mfd: remove the useless abstracted function cgbc_command().
- mfd: set the release session message as warning instead of error.
- mfd: minor fixes (sort includes, add comments, fix some alignments and
nit ...).
- gpio: use scoped_guard() and guard().
- gpio: use devm_mutex_init().
- i2c: unset the I2C_FUNC_SMBUS_QUICK flag as smbus quick accesses are not
supported by the controller.
- i2c: rephrase comment for read_maxtime_us.
- i2c: set the invalid frequency message as an info (previously a warning).
- i2c: other minor fixes (sort includes, fix name of i2c_state enum).
- watchdog: add missing includes.
- watchdog: remove warning for the pretimeout.
- watchdog: remove timeout_action and pretimeout_action (ACTION_RESET and
ACTION_SMI are directly used in cgbc_wdt_start()).
- watchdog: set max_timeout and min_timeout.
- watchdog: use watchdog_init_timeout() to set the timeout.
- Link to v1: https://lore.kernel.org/r/20240503-congatec-board-controller-v1-0-fec5236270e7@bootlin.com
---
Thomas Richard (5):
mfd: add Congatec Board Controller mfd driver
gpio: Congatec Board Controller gpio driver
i2c: Congatec Board Controller i2c bus driver
watchdog: Congatec Board Controller watchdog timer driver
MAINTAINERS: Add entry for Congatec Board Controller
MAINTAINERS | 9 +
drivers/gpio/Kconfig | 10 +
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-cgbc.c | 196 ++++++++++++++++++++
drivers/i2c/busses/Kconfig | 10 +
drivers/i2c/busses/Makefile | 1 +
drivers/i2c/busses/i2c-cgbc.c | 406 +++++++++++++++++++++++++++++++++++++++++
drivers/mfd/Kconfig | 12 ++
drivers/mfd/Makefile | 1 +
drivers/mfd/cgbc-core.c | 411 ++++++++++++++++++++++++++++++++++++++++++
drivers/watchdog/Kconfig | 10 +
drivers/watchdog/Makefile | 1 +
drivers/watchdog/cgbc_wdt.c | 211 ++++++++++++++++++++++
include/linux/mfd/cgbc.h | 44 +++++
14 files changed, 1323 insertions(+)
---
base-commit: 83d650136610d87d8ed0626c178ed18879b69564
change-id: 20240503-congatec-board-controller-82c6b84cd4ea
Best regards,
--
Thomas Richard <thomas.richard@...tlin.com>
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