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