Platform Driver Development Framework (PDDF) is part of SONiC Platform Development Kit (PDK) which optimizes the platform developement. 

 SONiC PDDF (Platform driver development framework) supports the following HW devices on a given platform:

 - Fan
 - PSU
 - System EEPROM
 - CPLD
 - CPLDMUX
 - GPIO
 - Optic Transceivers
 - System LED control via CPLD
 - System Status Registers in CPLD
 - Temp Sensors

 This folder for the PDDF consists of the following:

 - PDDF python utility scripts
 - Generic PDDF HW device drivers in kernel space