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Diffstat (limited to 'arch/arm/plat-s3c24xx')
-rw-r--r--arch/arm/plat-s3c24xx/gpio.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c
index ec3a09c4d181..7cc6faec25d9 100644
--- a/arch/arm/plat-s3c24xx/gpio.c
+++ b/arch/arm/plat-s3c24xx/gpio.c
@@ -122,6 +122,19 @@ void s3c2410_gpio_pullup(unsigned int pin, unsigned int to)
122 122
123EXPORT_SYMBOL(s3c2410_gpio_pullup); 123EXPORT_SYMBOL(s3c2410_gpio_pullup);
124 124
125int s3c2410_gpio_getpull(unsigned int pin)
126{
127 void __iomem *base = S3C24XX_GPIO_BASE(pin);
128 unsigned long offs = S3C2410_GPIO_OFFSET(pin);
129
130 if (pin < S3C2410_GPIO_BANKB)
131 return -EINVAL;
132
133 return (__raw_readl(base + 0x08) & (1L << offs)) ? 1 : 0;
134}
135
136EXPORT_SYMBOL(s3c2410_gpio_getpull);
137
125void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) 138void s3c2410_gpio_setpin(unsigned int pin, unsigned int to)
126{ 139{
127 void __iomem *base = S3C24XX_GPIO_BASE(pin); 140 void __iomem *base = S3C24XX_GPIO_BASE(pin);