diff options
Diffstat (limited to 'arch/arm/mach-pxa/reset.h')
| -rw-r--r-- | arch/arm/mach-pxa/reset.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/reset.h b/arch/arm/mach-pxa/reset.h new file mode 100644 index 000000000..963dd190b --- /dev/null +++ b/arch/arm/mach-pxa/reset.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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 void clear_reset_status(unsigned int mask); +extern void pxa_register_wdt(unsigned int reset_status); + +/** + * 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 */ |