diff options
Diffstat (limited to 'include/asm-arm/arch-at91')
| -rw-r--r-- | include/asm-arm/arch-at91/gpio.h | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/include/asm-arm/arch-at91/gpio.h b/include/asm-arm/arch-at91/gpio.h index 256f9b200ab..98ad2114f43 100644 --- a/include/asm-arm/arch-at91/gpio.h +++ b/include/asm-arm/arch-at91/gpio.h @@ -188,6 +188,7 @@ #ifndef __ASSEMBLY__ /* setup setup routines, called from board init or driver probe() */ +extern int __init_or_module at91_set_GPIO_periph(unsigned pin, int use_pullup); extern int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup); extern int __init_or_module at91_set_B_periph(unsigned pin, int use_pullup); extern int __init_or_module at91_set_gpio_input(unsigned pin, int use_pullup); @@ -202,7 +203,50 @@ extern int at91_get_gpio_value(unsigned pin); /* callable only from core power-management code */ extern void at91_gpio_suspend(void); extern void at91_gpio_resume(void); -#endif -#endif +/*-------------------------------------------------------------------------*/ + +/* wrappers for "new style" GPIO calls. the old AT91-specfic ones should + * eventually be removed (along with this errno.h inclusion), and the + * gpio request/free calls should probably be implemented. + */ + +#include <asm/errno.h> + +static inline int gpio_request(unsigned gpio, const char *label) +{ + return 0; +} + +static inline void gpio_free(unsigned gpio) +{ +} + +extern int gpio_direction_input(unsigned gpio); +extern int gpio_direction_output(unsigned gpio); +static inline int gpio_get_value(unsigned gpio) +{ + return at91_get_gpio_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + at91_set_gpio_value(gpio, value); +} + +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +static inline int gpio_to_irq(unsigned gpio) +{ + return gpio; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return irq; +} + +#endif /* __ASSEMBLY__ */ + +#endif |