From 43ae6599fe99a22a98658f0d9d0d40a1f12653f4 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Thu, 8 Jan 2009 12:40:50 +0000 Subject: [ARM] S3C24XX: Add gpio_to_irq implementation Add to_irq field handlers for the GPIO banks that are configurable as interripts. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c24xx/gpiolib.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'arch/arm/plat-s3c24xx/gpiolib.c') diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c index f95c6c9d9f1..94a341aaa4e 100644 --- a/arch/arm/plat-s3c24xx/gpiolib.c +++ b/arch/arm/plat-s3c24xx/gpiolib.c @@ -59,6 +59,22 @@ static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, 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[] = { [0] = { .base = S3C24XX_GPIO_BASE(S3C2410_GPA0), @@ -114,6 +130,7 @@ struct s3c_gpio_chip s3c24xx_gpios[] = { .owner = THIS_MODULE, .label = "GPIOF", .ngpio = 8, + .to_irq = s3c24xx_gpiolib_bankf_toirq, }, }, [6] = { @@ -123,6 +140,7 @@ struct s3c_gpio_chip s3c24xx_gpios[] = { .owner = THIS_MODULE, .label = "GPIOG", .ngpio = 10, + .to_irq = s3c24xx_gpiolib_bankg_toirq, }, }, }; -- cgit v1.2.3-18-g5258