Merge tag 'defconfig-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

[linux-2.6-microblaze.git] / drivers / char / hw_random / Kconfig

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 3f166c8..239eca4 100644 (file)
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -524,6 +524,20 @@ config HW_RANDOM_XIPHERA
          To compile this driver as a module, choose M here: the
          module will be called xiphera-trng.
 
+config HW_RANDOM_ARM_SMCCC_TRNG
+       tristate "Arm SMCCC TRNG firmware interface support"
+       depends on HAVE_ARM_SMCCC_DISCOVERY
+       default HW_RANDOM
+       help
+         Say 'Y' to enable the True Random Number Generator driver using
+         the Arm SMCCC TRNG firmware interface. This reads entropy from
+         higher exception levels (firmware, hypervisor). Uses SMCCC for
+         communicating with the firmware:
+         https://developer.arm.com/documentation/den0098/latest/
+
+         To compile this driver as a module, choose M here: the
+         module will be called arm_smccc_trng.
+
 endif # HW_RANDOM
 
 config UML_RANDOM