diff --git a/Documentation/ABI/testing/sysfs-platform-brcmstb-gisb-arb b/Documentation/ABI/testing/sysfs-platform-brcmstb-gisb-arb
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index 000000000000..f1bad92bbe27
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+What:		/sys/devices/../../gisb_arb_timeout
+Date:		May 2014
+KernelVersion:	3.17
+Contact:	Florian Fainelli <f.fainelli@gmail.com>
+Description:
+		Returns the currently configured raw timeout value of the
+		Broadcom Set Top Box internal GISB bus arbiter. Minimum value
+		is 1, and maximum value is 0xffffffff.