The enum definitions are specified in the form 31:5 register offset from SYSCTL_BASE for the clock register 4:0 bit offset for the given peripheral The names have the form [clock_type]_[periph_type]_[periph_number] Where clock_type is RCC for run clock SCC for sleep clock DCC for deep-sleep clock Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>