# Kconfig.stm32 - STM32 entropy generator driver configuration # # Copyright (c) 2017 Erwin Rol # # SPDX-License-Identifier: Apache-2.0 menuconfig ENTROPY_STM32_RNG bool "STM32 RNG driver" depends on SOC_FAMILY_STM32 depends on ENTROPY_GENERATOR select ENTROPY_HAS_DRIVER select USE_STM32_LL_RNG help This option enables the RNG processor, which is a entropy number generator, based on a continuous analog noise, that provides a entropy 32-bit value to the host when read. It is available for F4 (except STM32F401 & STM32F411), L4 and F7 series.