On 1/4/2025 12:13 AM, Krzysztof Kozlowski wrote:
On 03/01/2025 19:34, Sricharan Ramabadhran wrote:
+description:
+ TMEL SS provides different kinds of services like secureboot, remote image
+ authentication, key management, crypto, OEM provisioning etc. This patch adds
+ support for remote image authentication. Support for rest of the services can
+ be added.
+
+ The QMP mailbox is the primary means of communication between TMEL SS and
+ other subsystem on the SoC. A dedicated pair of inbound and outbound mailboxes
+ is implemented for each subsystem/external execution environment which needs to
+ communicate with TMEL for security services. The inbound mailboxes are used to
+ send IPC requests to TMEL, which are then processed by TMEL firmware and
+ accordingly the responses are sent to the requestor via outbound mailboxes.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - qcom,ipq5424-tmel-qmp
Why qmp? Can TMEL on IPQ5424 be anything else? Can TMEL be SMEM or using
any other remoteproc?
TMEL on IPQ5424 uses only QMP protocol for communication.
Then keep just "tmel". It completely defines this device.
ok.
Regards,
Sricharan
