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| author | Guennadi Liakhovetski <lg@denx.de> | 2009-03-12 12:46:41 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-05-07 16:16:06 +0200 |
| commit | 910862ec092c156023b8a6e726e8c793da0a03f7 (patch) | |
| tree | e7977eb5532ae53e2869bf39d877cafc20f5fd53 /arch/arm/plat-mxc/include/mach/gpio.h | |
| parent | fde364742a1afec9e71e705e863d029295282fe5 (diff) | |
| download | kernel_samsung_crespo-910862ec092c156023b8a6e726e8c793da0a03f7.zip kernel_samsung_crespo-910862ec092c156023b8a6e726e8c793da0a03f7.tar.gz kernel_samsung_crespo-910862ec092c156023b8a6e726e8c793da0a03f7.tar.bz2 | |
mxc: emulate GPIO interrupt on both-edges
MXC GPIO controller does not support generation of interrupts on both
edges. Emulate this mode in software by reconfiguring the irq trigger
polarity on each interrupt. This follows an example of
drivers/mfd/asic3.c.
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/gpio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h index ea509f1..894d2f8 100644 --- a/arch/arm/plat-mxc/include/mach/gpio.h +++ b/arch/arm/plat-mxc/include/mach/gpio.h @@ -35,6 +35,7 @@ struct mxc_gpio_port { int irq; int virtual_irq_start; struct gpio_chip chip; + u32 both_edges; }; int mxc_gpio_init(struct mxc_gpio_port*, int); |