tee: add OP-TEE driver
Adds a OP-TEE driver.
* Targets ARM and ARM64
* Supports using any U-Boot memory as shared memory
* Probes OP-TEE version using SMCs
* Uses OPTEE message protocol version 2 to communicate with secure world
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/drivers/tee/Kconfig b/drivers/tee/Kconfig
index f3fc3c2..835c256 100644
--- a/drivers/tee/Kconfig
+++ b/drivers/tee/Kconfig
@@ -9,3 +9,13 @@
environment, for example, TrustZone on ARM cpus, or a separate
secure co-processor etc. See also:
https://en.wikipedia.org/wiki/Trusted_execution_environment
+
+if TEE
+
+menu "TEE drivers"
+
+source "drivers/tee/optee/Kconfig"
+
+endmenu
+
+endif