[PATCH v4 0/3] add power off driver for i.mx6

[Robin Gong]

Add simple power off driver for i.mx6, including:
- add basic imx-snvs-poweroff driver in drivers/power/reset
- add device node in all dts files of i.mx6.
- enable in config file

Change from v3:
- disable poweroff driver in soc level dts and enable it in board level dts
- replace 'EIO' with 'ENODEV' while of_iomap fail.
Change from v2:
- remove useless included head files
- split device binding doc from dts patch
- add description for the case that PMIC_ON_REQ not used as external power
  control

Robin Gong (3):
  ARM: dts: imx6: add pm_power_off support for i.mx6 chips
  power: reset: imx-snvs-poweroff: add power off driver for i.mx6
  ARM: configs: imx_v6_v7_defconfig: add power off driver

 arch/arm/boot/dts/imx6qdl.dtsi          |  5 +++
 arch/arm/boot/dts/imx6sl.dtsi           |  5 +++
 arch/arm/boot/dts/imx6sx.dtsi           |  5 +++
 arch/arm/configs/imx_v6_v7_defconfig    |  3 ++
 drivers/power/reset/Kconfig             |  5 +++
 drivers/power/reset/Makefile            |  1 +
 drivers/power/reset/imx-snvs-poweroff.c | 69 +++++++++++++++++++++++++++++++++
 7 files changed, 93 insertions(+)
 create mode 100644 drivers/power/reset/imx-snvs-poweroff.c

-- 
1.9.1

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