Documentation: sysfs: add Broadcom GISB arbiter sysfs properties

This patch documents the sysfs properties exposed by the Broadcom GISB
bus arbiter hardware.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/Documentation/ABI/testing/sysfs-platform-brcmstb-gisb-arb b/Documentation/ABI/testing/sysfs-platform-brcmstb-gisb-arb
new file mode 100644 (file)
index 0000000..f1bad92
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-brcmstb-gisb-arb
@@ -0,0 +1,8 @@
+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.