Re: [PATCH V2 1/2] dt-bindings: mailbox: Document qcom,tmel-qmp

[Sricharan Ramabadhran]

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