diff options
| author | Eric Bénard <eric@eukrea.com> | 2010-07-21 14:46:11 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-07-26 15:05:21 +0200 |
| commit | aa8721431909c9afa611373c7edfb7f514a6ad83 (patch) | |
| tree | 4202813835b9f9a151ffd961748cdff1db30752a /arch/arm | |
| parent | 5055d1efc0cb4bd612c78af8fa61316ae49755a9 (diff) | |
| download | linux-aa8721431909c9afa611373c7edfb7f514a6ad83.tar.gz linux-aa8721431909c9afa611373c7edfb7f514a6ad83.tar.bz2 linux-aa8721431909c9afa611373c7edfb7f514a6ad83.zip | |
i.MX51: handle IRQ for gpio 16..31
The i.MX51 generates 2 IRQ for each GPIO bank : one for gpio 0 to 15
and one for gpio 16 to 31.
Actually only the lower IRQ is registered so register the second one.
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-mx5/devices.c | 4 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/gpio.c | 6 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/gpio.h | 1 |
3 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c index aafa61c6cec5..1920ff4963b2 100644 --- a/arch/arm/mach-mx5/devices.c +++ b/arch/arm/mach-mx5/devices.c @@ -250,24 +250,28 @@ static struct mxc_gpio_port mxc_gpio_ports[] = { .chip.label = "gpio-0", .base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR), .irq = MX51_MXC_INT_GPIO1_LOW, + .irq_high = MX51_MXC_INT_GPIO1_HIGH, .virtual_irq_start = MXC_GPIO_IRQ_START }, { .chip.label = "gpio-1", .base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR), .irq = MX51_MXC_INT_GPIO2_LOW, + .irq_high = MX51_MXC_INT_GPIO2_HIGH, .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1 }, { .chip.label = "gpio-2", .base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR), .irq = MX51_MXC_INT_GPIO3_LOW, + .irq_high = MX51_MXC_INT_GPIO3_HIGH, .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2 }, { .chip.label = "gpio-3", .base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR), .irq = MX51_MXC_INT_GPIO4_LOW, + .irq_high = MX51_MXC_INT_GPIO4_HIGH, .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3 }, }; diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c index 71437c61cfd7..11dc06190b5d 100644 --- a/arch/arm/plat-mxc/gpio.c +++ b/arch/arm/plat-mxc/gpio.c @@ -292,6 +292,12 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt) /* setup one handler for each entry */ set_irq_chained_handler(port[i].irq, mx3_gpio_irq_handler); set_irq_data(port[i].irq, &port[i]); + if (port[i].irq_high) { + /* setup handler for GPIO 16 to 31 */ + set_irq_chained_handler(port[i].irq_high, + mx3_gpio_irq_handler); + set_irq_data(port[i].irq_high, &port[i]); + } } } diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h index 894d2f87c856..9541ecbfd22c 100644 --- a/arch/arm/plat-mxc/include/mach/gpio.h +++ b/arch/arm/plat-mxc/include/mach/gpio.h @@ -33,6 +33,7 @@ struct mxc_gpio_port { void __iomem *base; int irq; + int irq_high; int virtual_irq_start; struct gpio_chip chip; u32 both_edges; |