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. > Best regards, Krzysztof
