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-rw-r--r--Documentation/ABI/testing/sysfs-devices-system-cpu10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 16501334b99f..498741737055 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -340,3 +340,13 @@ Description: POWERNV CPUFreq driver's frequency throttle stats directory and
'policyX/throttle_stats' directory and all the attributes are same as
the /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats directory and
attributes which give the frequency throttle information of the chip.
+
+What: /sys/devices/system/cpu/cpuX/regs/
+ /sys/devices/system/cpu/cpuX/regs/identification/
+ /sys/devices/system/cpu/cpuX/regs/identification/midr_el1
+ /sys/devices/system/cpu/cpuX/regs/identification/revidr_el1
+Date: June 2016
+Contact: Linux ARM Kernel Mailing list <linux-arm-kernel@lists.infradead.org>
+Description: AArch64 CPU registers
+ 'identification' directory exposes the CPU ID registers for
+ identifying model and revision of the CPU.