diff options
Diffstat (limited to 'include/sysreset.h')
| -rw-r--r-- | include/sysreset.h | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/include/sysreset.h b/include/sysreset.h index a5c0b74a47..61295e3fcb 100644 --- a/include/sysreset.h +++ b/include/sysreset.h @@ -11,6 +11,7 @@ enum sysreset_t { SYSRESET_WARM, /* Reset CPU, keep GPIOs active */ SYSRESET_COLD, /* Reset CPU and GPIOs */ SYSRESET_POWER, /* Reset PMIC (remove and restore power) */ + SYSRESET_POWER_OFF, /* Turn off power */ SYSRESET_COUNT, }; @@ -31,11 +32,20 @@ struct sysreset_ops { /** * get_status() - get printable reset status information * + * @dev: Device to check * @buf: Buffer to receive the textual reset information * @size: Size of the passed buffer * @return 0 if OK, -ve on error */ int (*get_status)(struct udevice *dev, char *buf, int size); + + /** + * get_last() - get information on the last reset + * + * @dev: Device to check + * @return last reset state (enum sysreset_t) or -ve error + */ + int (*get_last)(struct udevice *dev); }; #define sysreset_get_ops(dev) ((struct sysreset_ops *)(dev)->driver->ops) @@ -49,8 +59,9 @@ struct sysreset_ops { int sysreset_request(struct udevice *dev, enum sysreset_t type); /** - * get_status() - get printable reset status information + * sysreset_get_status() - get printable reset status information * + * @dev: Device to check * @buf: Buffer to receive the textual reset information * @size: Size of the passed buffer * @return 0 if OK, -ve on error @@ -58,6 +69,14 @@ int sysreset_request(struct udevice *dev, enum sysreset_t type); int sysreset_get_status(struct udevice *dev, char *buf, int size); /** + * sysreset_get_last() - get information on the last reset + * + * @dev: Device to check + * @return last reset state (enum sysreset_t) or -ve error + */ +int sysreset_get_last(struct udevice *dev); + +/** * sysreset_walk() - cause a system reset * * This works through the available sysreset devices until it finds one that can @@ -72,6 +91,19 @@ int sysreset_get_status(struct udevice *dev, char *buf, int size); int sysreset_walk(enum sysreset_t type); /** + * sysreset_get_last_walk() - get information on the last reset + * + * This works through the available sysreset devices until it finds one that can + * perform a reset. If the provided sysreset type is not available, the next one + * will be tried. + * + * If no device prives the information, this function returns -ENOENT + * + * @return last reset state (enum sysreset_t) or -ve error + */ +int sysreset_get_last_walk(void); + +/** * sysreset_walk_halt() - try to reset, otherwise halt * * This calls sysreset_walk(). If it returns, indicating that reset is not |