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| author | Marc Zyngier | 2010-05-26 23:42:16 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2010-05-27 18:12:41 +0200 |
| commit | a80a0bbee49872c296c9ed9d6af0f510fcd825a7 (patch) | |
| tree | e617afb270575fbd3c05f534444fd8895fc8a0b9 /drivers/gpio/Kconfig | |
| parent | rtc: AB8500 RTC driver (diff) | |
| download | kernel-qcow2-linux-a80a0bbee49872c296c9ed9d6af0f510fcd825a7.tar.gz kernel-qcow2-linux-a80a0bbee49872c296c9ed9d6af0f510fcd825a7.tar.xz kernel-qcow2-linux-a80a0bbee49872c296c9ed9d6af0f510fcd825a7.zip | |
gpio: add interrupt handling capability to max732x
Most of the GPIO expanders supported by the max732x driver have interrupt
generation capability by reporting changes on input pins through an INT#
pin. This patch implements the irq_chip functionnality (edge detection
only).
Signed-off-by: Marc Zyngier <maz@misterjones.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Jebediah Huang <jebediah.huang@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index fee678f74a19..1aa63a2e9af5 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -139,6 +139,13 @@ config GPIO_MAX732X Board setup code must specify the model to use, and the start number for these GPIOs. +config GPIO_MAX732X_IRQ + bool "Interrupt controller support for MAX732x" + depends on GPIO_MAX732X=y && GENERIC_HARDIRQS + help + Say yes here to enable the max732x to be used as an interrupt + controller. It requires the driver to be built in the kernel. + config GPIO_PCA953X tristate "PCA953x, PCA955x, TCA64xx, and MAX7310 I/O ports" depends on I2C |