34cc662f8a
Add GPIO support to the BCM47XX platform. It will be used by a GPIO LED driver. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
|
|
*/
|
|
|
|
#ifndef __BCM47XX_GPIO_H
|
|
#define __BCM47XX_GPIO_H
|
|
|
|
#define BCM47XX_EXTIF_GPIO_LINES 5
|
|
#define BCM47XX_CHIPCO_GPIO_LINES 16
|
|
|
|
extern int bcm47xx_gpio_to_irq(unsigned gpio);
|
|
extern int bcm47xx_gpio_get_value(unsigned gpio);
|
|
extern void bcm47xx_gpio_set_value(unsigned gpio, int value);
|
|
extern int bcm47xx_gpio_direction_input(unsigned gpio);
|
|
extern int bcm47xx_gpio_direction_output(unsigned gpio, int value);
|
|
|
|
static inline int gpio_request(unsigned gpio, const char *label)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void gpio_free(unsigned gpio)
|
|
{
|
|
}
|
|
|
|
static inline int gpio_to_irq(unsigned gpio)
|
|
{
|
|
return bcm47xx_gpio_to_irq(gpio);
|
|
}
|
|
|
|
static inline int gpio_get_value(unsigned gpio)
|
|
{
|
|
return bcm47xx_gpio_get_value(gpio);
|
|
}
|
|
|
|
static inline void gpio_set_value(unsigned gpio, int value)
|
|
{
|
|
bcm47xx_gpio_set_value(gpio, value);
|
|
}
|
|
|
|
static inline int gpio_direction_input(unsigned gpio)
|
|
{
|
|
return bcm47xx_gpio_direction_input(gpio);
|
|
}
|
|
|
|
static inline int gpio_direction_output(unsigned gpio, int value)
|
|
{
|
|
return bcm47xx_gpio_direction_output(gpio, value);
|
|
}
|
|
|
|
|
|
/* cansleep wrappers */
|
|
#include <asm-generic/gpio.h>
|
|
|
|
#endif /* __BCM47XX_GPIO_H */
|