92 строки
2.7 KiB
Plaintext
92 строки
2.7 KiB
Plaintext
What: /sys/class/rtc/
|
|
Date: March 2006
|
|
KernelVersion: 2.6.17
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
The rtc/ class subdirectory belongs to the RTC subsystem.
|
|
|
|
What: /sys/class/rtc/rtcX/
|
|
Date: March 2006
|
|
KernelVersion: 2.6.17
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
The /sys/class/rtc/rtc{0,1,2,3,...} directories correspond
|
|
to each RTC device.
|
|
|
|
What: /sys/class/rtc/rtcX/date
|
|
Date: March 2006
|
|
KernelVersion: 2.6.17
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
(RO) RTC-provided date in YYYY-MM-DD format
|
|
|
|
What: /sys/class/rtc/rtcX/hctosys
|
|
Date: September 2009
|
|
KernelVersion: 2.6.32
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
(RO) 1 if the RTC provided the system time at boot via the
|
|
CONFIG_RTC_HCTOSYS kernel option, 0 otherwise
|
|
|
|
What: /sys/class/rtc/rtcX/max_user_freq
|
|
Date: October 2007
|
|
KernelVersion: 2.6.24
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
(RW) The maximum interrupt rate an unprivileged user may request
|
|
from this RTC.
|
|
|
|
What: /sys/class/rtc/rtcX/name
|
|
Date: March 2006
|
|
KernelVersion: 2.6.17
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
(RO) The name of the RTC corresponding to this sysfs directory
|
|
|
|
What: /sys/class/rtc/rtcX/range
|
|
Date: January 2018
|
|
KernelVersion: 4.16
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
Valid time range for the RTC, as seconds from epoch, formatted
|
|
as [min, max]
|
|
|
|
What: /sys/class/rtc/rtcX/since_epoch
|
|
Date: March 2006
|
|
KernelVersion: 2.6.17
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
(RO) RTC-provided time as the number of seconds since the epoch
|
|
|
|
What: /sys/class/rtc/rtcX/time
|
|
Date: March 2006
|
|
KernelVersion: 2.6.17
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
(RO) RTC-provided time in 24-hour notation (hh:mm:ss)
|
|
|
|
What: /sys/class/rtc/rtcX/offset
|
|
Date: February 2016
|
|
KernelVersion: 4.6
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
(RW) The amount which the rtc clock has been adjusted in
|
|
firmware. Visible only if the driver supports clock offset
|
|
adjustment. The unit is parts per billion, i.e. The number of
|
|
clock ticks which are added to or removed from the rtc's base
|
|
clock per billion ticks. A positive value makes a day pass more
|
|
slowly, longer, and a negative value makes a day pass more
|
|
quickly.
|
|
|
|
What: /sys/class/rtc/rtcX/wakealarm
|
|
Date: February 2007
|
|
KernelVersion: 2.6.20
|
|
Contact: linux-rtc@vger.kernel.org
|
|
Description:
|
|
(RW) The time at which the clock will generate a system wakeup
|
|
event. This is a one shot wakeup event, so must be reset after
|
|
wake if a daily wakeup is required. Format is seconds since the
|
|
epoch by default, or if there's a leading +, seconds in the
|
|
future, or if there is a leading +=, seconds ahead of the
|
|
current alarm.
|