RE: [EXT] Re: [PATCH v50 3/7] firmware: imx: add driver for NXP EdgeLock Enclave

[Pankaj Gupta]

Sorry for missing it out.
I will drop it in v51.


NXP Confidential
> -----Original Message-----
> From: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
> Sent: 14 September 2026 16:16
> To: Pankaj Gupta (OSS) <pankaj.gupta@xxxxxxxxxxx>; Jonathan Corbet
> <corbet@xxxxxxx>; Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>; Rob Herring
> <robh@xxxxxxxxxx>; Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>; Conor
> Dooley <conor+dt@xxxxxxxxxx>; Frank Li <frank.li@xxxxxxx>; Sascha Hauer
> <s.hauer@xxxxxxxxxxxxxx>; Pengutronix Kernel Team
> <kernel@xxxxxxxxxxxxxx>; Fabio Estevam <festevam@xxxxxxxxx>; Pankaj
> Gupta <pankaj.gupta@xxxxxxx>; Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: linux-doc@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; imx@xxxxxxxxxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx
> Subject: [EXT] Re: [PATCH v50 3/7] firmware: imx: add driver for NXP
> EdgeLock Enclave
>
> Caution: This is an external email. Please take care when clicking links or
> opening attachments. When in doubt, report the message using the 'Report
> this email' button
>
>
> On 12.09.26 19:03, pankaj.gupta@xxxxxxxxxxx wrote:
> > From: Pankaj Gupta <pankaj.gupta@xxxxxxx>
> >
> > Add MU-based communication interface for secure enclave.
> >
> > NXP hardware IP(s) for secure-enclaves like Edgelock Enclave(ELE), are
> > embedded in the SoC to support the features like HSM, SHE & V2X, using
> > message based communication interface.
> >
> > The secure enclave FW communicates with Linux over single or multiple
> > dedicated messaging unit(MU) based interface(s).
> > Exists on i.MX SoC(s) like i.MX8ULP, i.MX93, i.MX95 etc.
> >
> > For i.MX9x SoC(s) there is at least one dedicated ELE MU(s) for each
> > world - Linux(one or more) and OPTEE-OS (one or more).
> >
> > Other dependent kernel drivers will be:
> > - NVMEM: that supports non-volatile devices like EFUSES,
> >   managed by NXP's secure-enclave.
> >
> > Signed-off-by: Pankaj Gupta <pankaj.gupta@xxxxxxx>
> > Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
> > Tested-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
>
> My review was for v25, my test was valid for v29. We are now at v50, so
> please, as requested before, drop the tags as I don't think they can be
> considered to be still valid with all these changes.
>
> Thanks!