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

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Date:	Mon, 13 Feb 2012 11:59:45 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	grant.likely@...retlab.ca, linus.walleij@...ricsson.com,
	dunlap@...otime.net, lrg@...com,
	broonie@...nsource.wolfsonmicro.com, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	linux-tegra@...r.kernel.org, ldewangan@...dia.com
Subject: [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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