u-boot/include/rtc.h

24 	 * get() - get the current time
26 	 * Returns the current time read from the RTC device. The driver
30 	 * @time:	Place to put the time that is read
32 	int (*get)(struct udevice *dev, struct rtc_time *time);
35 	 * set() - set the current time
37 	 * Sets the time in the RTC device. The driver can expect every
41 	 * @time:	Time to write
43 	int (*set)(struct udevice *dev, const struct rtc_time *time);
48 	 * This function resets the RTC to a known-good state. The time may
88  * dm_rtc_get() - Read the time from an RTC
91  * @time:	Place to put the current time
94 int dm_rtc_get(struct udevice *dev, struct rtc_time *time);
97  * dm_rtc_put() - Write a time to an RTC
100  * @time:	Time to write into the RTC
103 int dm_rtc_set(struct udevice *dev, struct rtc_time *time);
110  * After resetting the RTC the time should then be set to a known value by
223  * rtc_init() - Set up the real time clock ready for use
229  * rtc_calc_weekday() - Work out the weekday from a time
232  * It sets time->tm_wdaay to the correct day of the week.
234  * @time:	Time to inspect. tm_wday is updated
237 int rtc_calc_weekday(struct rtc_time *time);
240  * rtc_to_tm() - Convert a time_t value into a broken-out time
248  * @time:	Place to put the broken-out time
251 int rtc_to_tm(int time_t, struct rtc_time *time);
254  * rtc_mktime() - Convert a broken-out time into a time_t value
261  * @time:	Broken-out time to convert
264 unsigned long rtc_mktime(const struct rtc_time *time);