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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.
if DM_RNG
config RNG_MESON
bool "Amlogic Meson Random Number Generator support"
depends on ARCH_MESON
default y
help
Enable support for hardware random number generator
of Amlogic Meson SoCs.
config RNG_SANDBOX
bool "Sandbox random number generator"
depends on SANDBOX
default y
help
Enable random number generator for sandbox. This is an
emulation of a rng device.
config RNG_MSM
bool "Qualcomm SoCs Random Number Generator support"
depends on DM_RNG
help
This driver provides support for the Random Number
Generator hardware found on Qualcomm SoCs.
config RNG_NPCM
bool "Nuvoton NPCM SoCs Random Number Generator support"
depends on DM_RNG
help
Enable random number generator on NPCM SoCs.
This unit can provide 750 to 1000 random bits per second
config RNG_OPTEE
bool "OP-TEE based Random Number Generator support"
depends on DM_RNG && OPTEE
help
This driver provides support for the OP-TEE based Random Number
Generator on ARM SoCs where hardware entropy sources are not
accessible to normal world but reserved and used by the OP-TEE
to avoid the weakness of a software PRNG.
config RNG_STM32MP1
bool "Enable random number generator for STM32MP1"
depends on ARCH_STM32MP
help
Enable STM32MP1 rng driver.
config RNG_ROCKCHIP
bool "Enable random number generator for rockchip crypto rng"
depends on ARCH_ROCKCHIP && DM_RNG
help
Enable random number generator for rockchip.This driver is
support rng module of crypto v1 and crypto v2.
config RNG_IPROC200
bool "Broadcom iProc RNG200 random number generator"
depends on DM_RNG
help
Enable random number generator for RPI4.
config RNG_SMCCC_TRNG
bool "Arm SMCCC TRNG interface"
depends on DM_RNG && ARM_PSCI_FW
default y if ARM_SMCCC_FEATURES
help
Enable random number generator for platforms that support Arm
SMCCC TRNG interface.
config TPM_RNG
bool "Enable random number generator on TPM device"
depends on TPM
default y
help
The TPM device has an inbuilt random number generator
functionality. Enable random number generator on TPM
devices.
endif
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