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3 Commits

Author SHA1 Message Date
Mark Brown
dc0fb25c14 gpiolib: Implement gpio_to_irq() for wm831x 
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2009-12-13 19:21:44 +01:00
Mark Brown
6f2ecaae72 gpiolib: Make WM831x GPIO count dynamic 
This supports future devices with fewer GPIOs.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2009-12-13 19:20:43 +01:00
Mark Brown
e4b736f18f gpio: Add WM831X GPIO driver 
Add support for the GPIO pins on the WM831x. No direct support is
currently supplied for configuring non-gpiolib functionality such
as pull configuration and alternate functions, soft configuration
of these will be provided in a future patch.

Currently use of these pins as interrupts is not supported due to
the ongoing issues with generic irq not support interrupt controllers
on interrupt driven buses. Users can directly request the interrupts
with the wm831x-specific APIs currently provided if required.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
 2009-09-17 09:47:01 +02:00