Re: [PATCH V4 1/2] dt-bindings: mailbox: Document qcom,ipq5424-tmel

[Dmitry Baryshkov]

On Thu, Mar 27, 2025 at 11:47:49PM +0530, Sricharan R wrote:
> From: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx>
> 
> TMEL(Trust Management Engine Lite) subsystem provides different kinds of

Trust whatever SubSystem (TMEL SS) ...

different to what?

> services like secureboot, remote image authentication, key management,
> crypto, OEM provisioning etc.
> 
> The QMP mailbox is the primary means of communication between TMEL SS and

What is QMP?

> other subsystem on the SoC. A dedicated pair of inbound and outbound
> mailboxes is implemented for each subsystem/external execution environment

Is it implemented in the driver? Is it provided by the hardware? By the
firmware?

> 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 back via outbound
> mailboxes.

-- 
With best wishes
Dmitry