config DM_RNG bool "Driver support for Random Number Generator devices" depends on DM help Enable driver model for random number generator(rng) devices. This interface is used to initialise the rng device and to read the random seed from the device. config RNG_SANDBOX bool "Sandbox random number generator" depends on SANDBOX && DM_RNG help Enable random number generator for sandbox. This is an emulation of a rng device. config RNG_STM32MP1 bool "Enable random number generator for STM32MP1" depends on ARCH_STM32MP && DM_RNG default n help Enable STM32MP1 rng driver.