DebugFS representation of clock tree

configname: CONFIG_COMMON_CLK_DEBUG

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>DebugFS representation of clock tree
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Creates a directory hierchy in debugfs for visualizing the clk
tree structure. Each directory contains read-only members
that export information specific to that clk node: clk_rate,
clk_flags, clk_prepare_count, clk_enable_count &
clk_notifier_count.