On Tue, 12 Jan 2021 at 01:43, Jorge Ramirez-Ortiz jorge@foundries.io wrote:
This commit gives the secure world access to the I2C bus so it can communicate with I2C slaves (typically those would be secure elements like the NXP SE050).
A similar service implementation has been merged in linux: c05210ab ("drivers: optee: allow op-tee to access devices on the i2c bus")
Signed-off-by: Jorge Ramirez-Ortiz jorge@foundries.io
drivers/tee/optee/Makefile | 1 + drivers/tee/optee/i2c.c | 90 ++++++++++++++++++++++++ drivers/tee/optee/optee_msg.h | 21 ++++++ drivers/tee/optee/optee_msg_supplicant.h | 5 ++ drivers/tee/optee/optee_private.h | 17 +++++ drivers/tee/optee/supplicant.c | 3 + 6 files changed, 137 insertions(+) create mode 100644 drivers/tee/optee/i2c.c
Reviewed-by: Simon Glass sjg@chromium.org