linux-kernel - [PATCH v2 0/9] Add MAX77714 PMIC minimal driver (RTC and watchdog only)

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Message-Id: <20211019145919.7327-1-luca@lucaceresoli.net>
Date:   Tue, 19 Oct 2021 16:59:10 +0200
From:   Luca Ceresoli <luca@...aceresoli.net>
To:     linux-kernel@...r.kernel.org
Cc:     Luca Ceresoli <luca@...aceresoli.net>,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>, devicetree@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-watchdog@...r.kernel.org,
        Chiwoong Byun <woong.byun@...sung.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Randy Dunlap <rdunlap@...radead.org>
Subject: [PATCH v2 0/9] Add MAX77714 PMIC minimal driver (RTC and watchdog only)

Hi,

this series adds minimal drivers for the Maxim Semiconductor MAX77714
(https://www.maximintegrated.com/en/products/power/power-management-ics/MAX77714.html).
Only RTC and watchdog are implemented by these patches.

All implemented functionality is tested and working: RTC read/write,
watchdog start/stop/ping/set_timeout.

Patches 1-4 + 7 are trivial cleanups to the max77686 drivers and can
probably be applied easily.

Patches 5, 6, 8 and 9 add: dt bindings, mfd driver, watchdog driver and rtc
driver.

Changes in v2:
 - fixed all issues reported on v1 patches
 - added patch 7 ("watchdog: Kconfig: fix help text indentation")
 - additional minor improvements

Luca

Luca Ceresoli (9):
  mfd: max77686: Correct tab-based alignment of register addresses
  rtc: max77686: convert comments to kernel-doc format
  rtc: max77686: rename day-of-month defines
  rtc: max77686: remove unused code to read in 12-hour mode
  dt-bindings: mfd: add Maxim MAX77714 PMIC
  mfd: max77714: Add driver for Maxim MAX77714 PMIC
  watchdog: Kconfig: fix help text indentation
  watchdog: max77714: add driver for the watchdog in the MAX77714 PMIC
  rtc: max77686: add MAX77714 support

 .../bindings/mfd/maxim,max77714.yaml          |  58 ++++++
 MAINTAINERS                                   |   8 +
 drivers/mfd/Kconfig                           |  14 ++
 drivers/mfd/Makefile                          |   1 +
 drivers/mfd/max77686.c                        |   2 +-
 drivers/mfd/max77714.c                        | 165 ++++++++++++++++
 drivers/rtc/Kconfig                           |   2 +-
 drivers/rtc/rtc-max77686.c                    |  75 +++++---
 drivers/watchdog/Kconfig                      |  57 +++---
 drivers/watchdog/Makefile                     |   1 +
 drivers/watchdog/max77714_wdt.c               | 179 ++++++++++++++++++
 include/linux/mfd/max77686-private.h          |  28 +--
 include/linux/mfd/max77714.h                  |  60 ++++++
 13 files changed, 580 insertions(+), 70 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77714.yaml
 create mode 100644 drivers/mfd/max77714.c
 create mode 100644 drivers/watchdog/max77714_wdt.c
 create mode 100644 include/linux/mfd/max77714.h

-- 
2.25.1