28 lines
791 B
C
28 lines
791 B
C
|
/*
|
||
|
|
* include/asm-arm/arch-orion/gpio.h
|
||
|
|
*
|
||
|
|
* This file is licensed under the terms of the GNU General Public
|
||
|
|
* License version 2. This program is licensed "as is" without any
|
||
|
|
* warranty of any kind, whether express or implied.
|
||
|
|
*/
|
||
|
|
|
||
|
|
extern int gpio_request(unsigned pin, const char *label);
|
||
|
|
extern void gpio_free(unsigned pin);
|
||
|
|
extern int gpio_direction_input(unsigned pin);
|
||
|
|
extern int gpio_direction_output(unsigned pin, int value);
|
||
|
|
extern int gpio_get_value(unsigned pin);
|
||
|
|
extern void gpio_set_value(unsigned pin, int value);
|
||
|
|
extern void gpio_display(void); /* debug */
|
||
|
|
|
||
|
|
static inline int gpio_to_irq(int pin)
|
||
|
|
{
|
||
|
|
return pin + IRQ_ORION_GPIO_START;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int irq_to_gpio(int irq)
|
||
|
|
{
|
||
|
|
return irq - IRQ_ORION_GPIO_START;
|
||
|
|
}
|
||
|
|
|
||
|
|
#include <asm-generic/gpio.h> /* cansleep wrappers */
|