linux/arch/arm/mach-pxa/include/mach/reset.h
Daniel Ribeiro 216e3b7abb [ARM] pxa: allow gpio_reset drive high during normal work
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>
2009-05-18 21:52:09 +08:00

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 */