Add documentation for the new attribute fan_dir (fan direction for
systems of types MQM87xx, MSN34xx, MSN37xx.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
[dvhart: minor gramatical correction]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
                The files are read only.
 
 What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/
-                                                       cpld3_version
+                                                       fan_dir
+
+Date:          December 2018
+KernelVersion: 5.0
+Contact:       Vadim Pasternak <vadimpmellanox.com>
+Description:   This file shows the system fans direction:
+               forward direction - relevant bit is set 0;
+               reversed direction - relevant bit is set 1.
+
+               The files are read only.
+
+What:          /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/
+                                                       jtag_enable
 
 Date:          November 2018
 KernelVersion: 5.0