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-rw-r--r--Documentation/ABI/testing/sysfs-class-rtc8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-rtc b/Documentation/ABI/testing/sysfs-class-rtc
index 792a38300336..95984289a4ee 100644
--- a/Documentation/ABI/testing/sysfs-class-rtc
+++ b/Documentation/ABI/testing/sysfs-class-rtc
@@ -43,6 +43,14 @@ 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