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[ARM] S3C24XX: Add gpio_to_irq implementation

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Add to_irq field handlers for the GPIO banks that are configurable
as interripts.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks
2009-01-08 12:40:50 +00:00
parent 4d316fc5a3
commit 43ae6599fe
1 changed files with 18 additions and 0 deletions
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18
arch/arm/plat-s3c24xx/gpiolib.c
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@@ -59,6 +59,22 @@ static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip,
return 0; return 0;
} }
static int s3c24xx_gpiolib_bankf_toirq(struct gpio_chip *chip, unsigned offset)
{
if (offset < 4)
return IRQ_EINT0 + offset;
if (offset < 8)
return IRQ_EINT4 + offset - 4;
return -EINVAL;
}
static int s3c24xx_gpiolib_bankg_toirq(struct gpio_chip *chip, unsigned offset)
{
return IRQ_EINT8 + offset;
}
struct s3c_gpio_chip s3c24xx_gpios[] = { struct s3c_gpio_chip s3c24xx_gpios[] = {
[0] = { [0] = {
.base = S3C24XX_GPIO_BASE(S3C2410_GPA0), .base = S3C24XX_GPIO_BASE(S3C2410_GPA0),
@@ -114,6 +130,7 @@ struct s3c_gpio_chip s3c24xx_gpios[] = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.label = "GPIOF", .label = "GPIOF",
.ngpio = 8, .ngpio = 8,
.to_irq = s3c24xx_gpiolib_bankf_toirq,
}, },
}, },
[6] = { [6] = {
@@ -123,6 +140,7 @@ struct s3c_gpio_chip s3c24xx_gpios[] = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.label = "GPIOG", .label = "GPIOG",
.ngpio = 10, .ngpio = 10,
.to_irq = s3c24xx_gpiolib_bankg_toirq,
}, },
}, },
}; };