[PATCH V1 0/3] Support for open drain gpios in gpilib/fixed regulators.

This patch is as per discussion on the patch
[PATCH V1] regulator: fixed: Support for open-drain gpio
where it was suggested to push the handling of open drain gpios
into the gpio libray.
Also gpio documentation says the possibility of open-drain gpio support.

This is series of patches to add support of the open drain gpios
in standard gpio library and using this in fixed regulators.
- Added GPIOF_OD flag so that client can request the gpio with this flag.
- Added support for the sysfs interface for open-drain.
- Handle open drain gpio configuration properly.
- Use this flag in fixed regualtor to tell that gpio is open drain.
- Gpio documentation changes to have support for open-drain.

Laxman Dewangan (3):
gpio: gpiolib: Support for open drain gpios
Documentation: gpio: Add details of open-drain configuration
regulator: fixed: Support for open-drain gpio

Documentation/gpio.txt | 21 +++++-
drivers/gpio/gpiolib.c | 144 ++++++++++++++++++++++++++++++++++++++-
drivers/regulator/fixed.c | 29 ++++-
include/linux/gpio.h | 3 +
include/linux/regulator/fixed.h | 7 ++
5 files changed, 184 insertions(+), 20 deletions(-)

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