STMicroelectronics STM32 random number generator

modulename: stm32-rng.ko

configname: CONFIG_HW_RANDOM_STM32

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Hardware Random Number Generator Core support
└─>STMicroelectronics STM32 random number generator
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This driver provides kernel-side support for the Random Number
Generator hardware found on STM32 microcontrollers.

To compile this driver as a module, choose M here: the
module will be called stm32-rng.

If unsure, say N.

source code:
depends
CONFIG_HAS_IOMEM
CONFIG_HW_RANDOM
CONFIG_ARCH_STM32 or CONFIG_COMPILE_TEST