[PATCH v1 0/2] rtc: Add support for MT6685 RTC

[AngeloGioacchino Del Regno]

This series adds a driver for the Real Time Clock found in the MT6685
Clock/PM IC.

This chip has been used on a number of different MediaTek platforms
from around 2023 to the latest ones released in 2025 - and on both
Smartphones (Helio and Dimensity), Chromebooks (Kompanio Ultra) and
Genio boards.

This was tested on a MT8196 (Kompanio Ultra) Chromebook.

NOTE: This series depends on series [1] "SPMI: Implement sub-devices
and migrate drivers"

[1]: https://lore.kernel.org/all/20251021083219.17382-1-angelogioacchino.delregno@xxxxxxxxxxxxx

AngeloGioacchino Del Regno (2):
  dt-bindings: rtc: Add MediaTek MT6685 PM/Clock IC Real Time Clock
  rtc: Add support for MT6685 Clock IC's RTC over SPMI

 .../bindings/rtc/mediatek,mt6685-rtc.yaml     |  33 ++
 drivers/rtc/Kconfig                           |  12 +
 drivers/rtc/Makefile                          |   1 +
 drivers/rtc/rtc-mt6685.c                      | 472 ++++++++++++++++++
 4 files changed, 518 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/mediatek,mt6685-rtc.yaml
 create mode 100644 drivers/rtc/rtc-mt6685.c

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2.51.1