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/Makefile b/drivers/tee/Makefile
index b6d8e16..19633b6 100644
--- a/drivers/tee/Makefile
+++ b/drivers/tee/Makefile
@@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0+
obj-y += tee-uclass.o
+obj-$(CONFIG_OPTEE) += optee/