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authorMark Brown <broonie@kernel.org>2020-12-11 17:49:01 +0000
committerMark Brown <broonie@kernel.org>2020-12-11 17:49:01 +0000
commit3e98a021cc85e7d52acdd1eae8a988e975ec5bf9 (patch)
treececfac58b9550a602555a02a9d583ed0f3378b38 /Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration
parent58f7553fa424fd0fd74e8b796d50c66014cebebe (diff)
parent2fee9583198eb97b5351feda7bd825e0f778385c (diff)
Merge remote-tracking branch 'spi/for-5.11' into spi-next
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration')
-rw-r--r--Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration b/Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration
index ec950c93e5c6..ee8ed6494a01 100644
--- a/Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration
+++ b/Documentation/ABI/testing/sysfs-class-rtc-rtc0-device-rtc_calibration
@@ -7,6 +7,7 @@ Description: Attribute for calibrating ST-Ericsson AB8500 Real Time Clock
calibrate the AB8500.s 32KHz Real Time Clock.
Every 60 seconds the AB8500 will correct the RTC's value
by adding to it the value of this attribute.
+
The range of the attribute is -127 to +127 in units of
30.5 micro-seconds (half-parts-per-million of the 32KHz clock)
Users: The /vendor/st-ericsson/base_utilities/core/rtc_calibration