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SubjectRe: [PATCH 0/8] Add MAX77714 PMIC minimal driver (RTC and watchdog only)
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On 11/10/2021 17:56, Luca Ceresoli wrote:
> 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.
>
> Note! Something seems wrong in the interrupt management code. Due to the
> fact that I'm not using interrupts on my hardware and since this is my
> first addition of an MFD driver, I was unable to understand what is wrong
> after studying the code for other MFD drivers. More details in reply to
> patch 8. Advice would be greatly appreciated on this topic.
>
> Except for that, all implemented functionality is tested and working: RTC
> read/write, watchdog start/stop/ping/set_timeout.
>
> The first 4 patches are trivial cleanups to the max77686 drivers and can
> probably be applied easily.
>
> Patches 5-8 add: dt bindings, mfd driver, watchdog driver and rtc driver.
>
> Luca
>
> Luca Ceresoli (8):
> 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 useless variable
> dt-bindings: mfd: add Maxim MAX77714 PMIC
> mfd: max77714: Add driver for Maxim MAX77714 PMIC
> 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/max77714.c | 151 ++++++++++++++++
> drivers/rtc/Kconfig | 2 +-
> drivers/rtc/rtc-max77686.c | 72 +++++---
> drivers/watchdog/Kconfig | 9 +
> drivers/watchdog/Makefile | 1 +
> drivers/watchdog/max77714_wdt.c | 171 ++++++++++++++++++
> include/linux/mfd/max77686-private.h | 28 +--
> include/linux/mfd/max77714.h | 68 +++++++
> 12 files changed, 541 insertions(+), 42 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
>

Thanks for the patches.

It's awesome to see extension of existing drivers - max77686 family.

Best regards,
Krzysztof

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