Add PM power_off control to rtc driver and PMIC status is set to
STATUS_OFF to shutdown PMIC if PWR_EN is toggled by RTC module.

System power off sequence:-
* Set PMIC STATUS_OFF when PMIC_POWER_EN is pulled low
* Enable PMIC_POWER_EN in rtc module
* Set rtc ALARM2 time
* Enable ALARM2 interrupt

These patches were tested on am335x-bone (BeagleBone). These patchs
are based on linux-next.

Changes from v3:
        - TPS65217 mfd driver changes are accepted so dropped
          from this series.
        - With recent changes in the kernel, reboot_mutex held BUG()
          is not seen so removed while(1); from rtc_power_off.
        - Removed spinlock before while(1); which is not necessary.

Changes from v2:
        - Incorporated Kevin's comment on v2
          * Enabled RTC in ompa2plus_defconfig

Changes from v1:
        - Incorporated Vaibhav's comments on v1
          * Changed the time rollover logic with the help of
            rtc-lib APIs

AnilKumar Ch (3):
  ARM: dts: AM33XX: Set pmic-shutdown-controller for BeagleBone
  ARM: dts: AM33XX: Enable system power off control in am335x-bone
  ARM: OMAP2+: omap2plus_defconfig: Enable RTC support

Colin Foe-Parker (1):
  rtc: OMAP: Add system pm_power_off to rtc driver

 Documentation/devicetree/bindings/rtc/rtc-omap.txt |    5 ++
 arch/arm/boot/dts/am335x-bone.dts                  |    6 ++
 arch/arm/configs/omap2plus_defconfig               |    1 +
 drivers/rtc/rtc-omap.c                             |   74 +++++++++++++++++++-
 4 files changed, 85 insertions(+), 1 deletion(-)


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