linux-kernel - [PATCH v3 0/5] Congatec Board Controller drivers

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Message-Id: <20241001-congatec-board-controller-v3-0-39ceceed5c47@bootlin.com>
Date: Tue, 01 Oct 2024 13:53:26 +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 v3 0/5] Congatec Board Controller drivers

This is the third iteration of the Congatec Board Controller series.

There are only few changes for the GPIO driver (commit message, Kconfig,
remove useless cast). 
I also rebased the series on Linux v6.12-rc1.

Best Regards,

Thomas

Signed-off-by: Thomas Richard <thomas.richard@...tlin.com>
---
Changes in v3:
- Rebased on Linux v6.12-rc1.
- gpio: improve commit message.
- gpio: in Kconfig move driver definition in the MFD GPIO drivers submenu.
- gpio: remove useless cast.
- gpio: take Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
- i2c: take Acked-by: Andi Shyti <andi.shyti@...nel.org> 
- watchdog: take Acked-by: Guenter Roeck <linux@...ck-us.net> 
- Link to v2: https://lore.kernel.org/r/20240503-congatec-board-controller-v2-0-681511a01c8f@bootlin.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: 81178bc5d0ffdf50522adabda7a66093a56149ce
change-id: 20240503-congatec-board-controller-82c6b84cd4ea

Best regards,
-- 
Thomas Richard <thomas.richard@...tlin.com>