rng: nuvoton: Add NPCM7xx rng driver

[platform/kernel/u-boot.git] / drivers / rng / Kconfig

diff --git a/drivers/rng/Kconfig b/drivers/rng/Kconfig
index b1c5ab9..c0c49c3 100644 (file)
--- a/drivers/rng/Kconfig
+++ b/drivers/rng/Kconfig
@@ -31,6 +31,22 @@ config RNG_MSM
          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