Broadcom BCM2835/BCM63xx Random Number Generator support

modulename: bcm2835-rng.ko

configname: CONFIG_HW_RANDOM_BCM2835

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Hardware Random Number Generator Core support
└─>Broadcom BCM2835/BCM63xx Random Number Generator support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This driver provides kernel-side support for the Random Number
Generator hardware found on the Broadcom BCM2835 and BCM63xx SoCs.

To compile this driver as a module, choose M here: the
module will be called bcm2835-rng

If unsure, say Y.

source code: