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authorMarc Zyngier <maz@misterjones.org>2010-05-26 23:42:16 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-27 18:12:41 +0200
commita80a0bbee49872c296c9ed9d6af0f510fcd825a7 (patch)
treee617afb270575fbd3c05f534444fd8895fc8a0b9 /include
parentrtc: AB8500 RTC driver (diff)
downloadlinux-a80a0bbee49872c296c9ed9d6af0f510fcd825a7.tar.xz
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 'include')
-rw-r--r--include/linux/i2c/max732x.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/i2c/max732x.h b/include/linux/i2c/max732x.h
index e10336631c62..c04bac8bf2fe 100644
--- a/include/linux/i2c/max732x.h
+++ b/include/linux/i2c/max732x.h
@@ -7,6 +7,9 @@ struct max732x_platform_data {
/* number of the first GPIO */
unsigned gpio_base;
+ /* interrupt base */
+ int irq_base;
+
void *context; /* param to setup/teardown */
int (*setup)(struct i2c_client *client,