diff options
Diffstat (limited to 'drivers/tee/optee/Kconfig')
-rw-r--r-- | drivers/tee/optee/Kconfig | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/tee/optee/Kconfig b/drivers/tee/optee/Kconfig new file mode 100644 index 0000000000..3c791a10c4 --- /dev/null +++ b/drivers/tee/optee/Kconfig @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: GPL-2.0-only +# OP-TEE Trusted Execution Environment Configuration +config OPTEE + tristate "OP-TEE communication" + select HAVE_OPTEE + select ARM_SMCCC + depends on MMU + help + This driver implements bidirectional communication with the OP-TEE + Trusted Execution Environment (TEE). OP-TEE is a Trusted OS designed + primarily to rely on the ARM TrustZone(R) technology as the + underlying hardware isolation mechanism. + This driver can request services from OP-TEE, but doesn't + yet provide a supplicant to handle Remote Procedure Calls (RPC). + For more information see: https://www.op-tee.org + + This driver doesn't actually load OP-TEE. For that see + CONFIG_BOOTM_OPTEE and PBL_OPTEE. + + If unsure, say n here. + +config OPTEE_DEVFS + bool "Provide /dev/tee0 interface" + depends on OPTEE && FS_DEVFS && EXPERIMENTAL + help + Userspace accesses OP-TEE via ioctls and mmaps of the /dev/tee0 + device. This are no current in-tree users of this interface, + but it's useful for compiling libteeclient + optee_tests for + use inside barebox to verify proper operation of CONFIG_OPTEE. |