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Diffstat (limited to 'arch/arm/plat-samsung/include/plat/gpio-core.h')
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-core.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h
index 1fe6917f6a2..cf5aae5b097 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-core.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-core.h
@@ -11,6 +11,9 @@
* published by the Free Software Foundation.
*/
+#ifndef __PLAT_SAMSUNG_GPIO_CORE_H
+#define __PLAT_SAMSUNG_GPIO_CORE_H
+
#define GPIOCON_OFF (0x00)
#define GPIODAT_OFF (0x04)
@@ -48,6 +51,7 @@ struct samsung_gpio_cfg;
* @config: special function and pull-resistor control information.
* @lock: Lock for exclusive access to this gpio bank.
* @pm_save: Save information for suspend/resume support.
+ * @bitmap_gpio_int: Bitmap for representing GPIO interrupt or not.
*
* This wrapper provides the necessary information for the Samsung
* specific gpios being registered with gpiolib.
@@ -71,6 +75,7 @@ struct samsung_gpio_chip {
#ifdef CONFIG_PM
u32 pm_save[4];
#endif
+ u32 bitmap_gpio_int;
};
static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc)
@@ -101,7 +106,18 @@ static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int chi
#else
/* machine specific code should provide samsung_gpiolib_getchip */
-#include <mach/gpio-track.h>
+extern struct samsung_gpio_chip s3c24xx_gpios[];
+
+static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin)
+{
+ struct samsung_gpio_chip *chip;
+
+ if (pin > S3C_GPIO_END)
+ return NULL;
+
+ chip = &s3c24xx_gpios[pin/32];
+ return ((pin - chip->chip.base) < chip->chip.ngpio) ? chip : NULL;
+}
static inline void s3c_gpiolib_track(struct samsung_gpio_chip *chip) { }
#endif
@@ -122,3 +138,5 @@ extern struct samsung_gpio_pm samsung_gpio_pm_4bit;
/* locking wrappers to deal with multiple access to the same gpio bank */
#define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl)
#define samsung_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl)
+
+#endif /* __PLAT_SAMSUNG_GPIO_CORE_H */