The PCF8525 is an NXP I2C real-time clock with integrated crystal
oscillator, dual timestamp capture inputs, backup battery switch-over,
a windowed watchdog, and an on-chip temperature sensor.

This series adds:
  - DT binding (YAML schema)
  - Core RTC driver: timekeeping, alarms, dual timestamps, crystal
    configuration, backup switch-over, and clock offset correction
  - Watchdog support via the Linux watchdog framework
  - Temperature sensor support via the hwmon framework

Changes in v2:
- Fix include: use <linux/pm_wakeirq.h> instead of <pm_wakeup.h>
- Add spinlock_t ts_lock to protect ts[]/ts_valid[] from IRQ/sysfs race
- Fix W0C ordering: clear AF/TSF flags before acting on alarm/timestamp
  events
- Use dev_pm_set_wake_irq() for suspend wakeup wiring
- Clear stale WDTF before unmasking watchdog interrupt on INTB to prevent
  boot loop when battery-backed flag persists across resets
- Add watchdog_notify_pretimeout() call in INTB IRQ handler
- Set WDOG_HW_RUNNING if bootloader left watchdog running at probe time
- Register hwmon device first, then enable PCF8525_CTRL5_TEMP_RD_EN only
  after successful registration

Shiv Prakash Gupta (4):
  dt-bindings: rtc: Add NXP PCF8525 RTC
  rtc: pcf8525: Add NXP PCF8525 RTC driver
  rtc: pcf8525: Add watchdog support
  rtc: pcf8525: Add temperature sensor support via hwmon

 .../devicetree/bindings/rtc/nxp,pcf8525.yaml  |   86 +
 drivers/rtc/Kconfig                           |   26 +
 drivers/rtc/Makefile                          |    1 +
 drivers/rtc/rtc-pcf8525.c                     | 1422 +++++++++++++++++
 4 files changed, 1535 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/nxp,pcf8525.yaml
 create mode 100644 drivers/rtc/rtc-pcf8525.c

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2.34.1