mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 09:41:44 +00:00
216e3b7abb
I want to reuse tosa/spitz gpio_reset code, but my board needs the reset gpio to be driven high during normal operation. Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com> Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Eric Miao <eric.miao@marvell.com>
22 lines
678 B
C
22 lines
678 B
C
#ifndef __ASM_ARCH_RESET_H
|
|
#define __ASM_ARCH_RESET_H
|
|
|
|
#define RESET_STATUS_HARDWARE (1 << 0) /* Hardware Reset */
|
|
#define RESET_STATUS_WATCHDOG (1 << 1) /* Watchdog Reset */
|
|
#define RESET_STATUS_LOWPOWER (1 << 2) /* Low Power/Sleep Exit */
|
|
#define RESET_STATUS_GPIO (1 << 3) /* GPIO Reset */
|
|
#define RESET_STATUS_ALL (0xf)
|
|
|
|
extern unsigned int reset_status;
|
|
extern void clear_reset_status(unsigned int mask);
|
|
|
|
/**
|
|
* init_gpio_reset() - register GPIO as reset generator
|
|
* @gpio: gpio nr
|
|
* @output: set gpio as output instead of input during normal work
|
|
* @level: output level
|
|
*/
|
|
extern int init_gpio_reset(int gpio, int output, int level);
|
|
|
|
#endif /* __ASM_ARCH_RESET_H */
|