[PATCH v6 0/2] Add support for the DFRobot SD2405AL I2C RTC Module.

[Tóth János via B4 Relay]

This patch series adds a driver and the documentation for the SD2405AL I2C RTC.

To: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
To: Rob Herring <robh@xxxxxxxxxx>
To: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
To: Conor Dooley <conor+dt@xxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-rtc@xxxxxxxxxxxxxxx
Cc: csokas.bence@xxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Tóth János <gomba007@xxxxxxxxx>

Changes in v6:
- Add missing To-s and Cc-s.
- Rebased onto v6.11-rc5
- Link to v5: https://lore.kernel.org/r/20240828-rtc-sd2405al-v5-0-9e3f8fa5ea6b@xxxxxxxxx

Changes in v5:
- Rework based on Alexandre Belloni's suggestions.
- Drop explicit initialization of struct i2c_device_id::driver_data.
- Add documentation.
- Link to v4: https://lore.kernel.org/r/20240624-rtc-sd2405al-v4-1-2b2bc759f98f@xxxxxxxxx

Changes in v4:
- Implement more comprehensive data validation.
- Inline some temporary variables.
- Link to v3: https://lore.kernel.org/r/20240620-rtc-sd2405al-v3-1-65d5bb01af50@xxxxxxxxx

Changes in v3:
- #define-s of registers are reworked.
- Minor revisions based on the reviewer's suggestions.
- Link to v2: https://lore.kernel.org/r/20240619-rtc-sd2405al-v2-1-39bea29bd2a5@xxxxxxxxx

Changes in v2:
- Refactored based on reviewer's suggestions.
- I couldn't get the I2C IRQ to work on Raspberry Pi 4, so alarm is
  skipped.
- Link to v1: https://lore.kernel.org/r/20240607-rtc-sd2405al-v1-1-535971e7a866@xxxxxxxxx

---
Tóth János (2):
      drivers: rtc: Add driver for SD2405AL.
      dt-bindings: rtc: Add support for SD2405AL.

 .../devicetree/bindings/rtc/trivial-rtc.yaml       |   2 +
 .../devicetree/bindings/vendor-prefixes.yaml       |   2 +
 MAINTAINERS                                        |   6 +
 drivers/rtc/Kconfig                                |  10 +
 drivers/rtc/Makefile                               |   1 +
 drivers/rtc/rtc-sd2405al.c                         | 227 +++++++++++++++++++++
 6 files changed, 248 insertions(+)
---
base-commit: 5be63fc19fcaa4c236b307420483578a56986a37
change-id: 20240607-rtc-sd2405al-a0947377c73d

Best regards,
-- 
Tóth János <gomba007@xxxxxxxxx>