RE: [EXT] Re: [PATCH v12 2/5] dt-bindings: arm: fsl: add imx-se-fw binding doc

Pankaj Gupta
2025-01-20T13:07:28Z

[-- Attachment #1: Type: text/plain, Size: 1918 bytes --]

-----Original Message-----
From: Krzysztof Kozlowski <krzk@kernel.org>
Sent: Monday, January 20, 2025 5:47 PM
To: Pankaj Gupta <pankaj.gupta@nxp.com>; Jonathan Corbet <corbet@lwn.net>; Rob
Herring <robh@kernel.org>; Krzysztof Kozlowski <krzk+dt@kernel.org>; Conor
Dooley <conor+dt@kernel.org>; Shawn Guo <shawnguo@kernel.org>; Sascha Hauer
<s.hauer@pengutronix.de>; Pengutronix Kernel Team <kernel@pengutronix.de>;
Fabio Estevam <festevam@gmail.com>
Cc: linux-doc@vger.kernel.org; linux-kernel@vger.kernel.org;
devicetree@vger.kernel.org; imx@lists.linux.dev;
linux-arm-kernel@lists.infradead.org; Conor Dooley <conor@kernel.org>
Subject: [EXT] Re: [PATCH v12 2/5] dt-bindings: arm: fsl: add imx-se-fw
binding doc

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 20/01/2025 17:52, Pankaj Gupta wrote:
> The NXP security hardware IP(s) like: i.MX EdgeLock Enclave, V2X etc.,
> creates an embedded secure enclave within the SoC boundary to enable
> features like:
> - HSM
> - SHE
> - V2X
>
> Secure-Enclave(s) communication interface are typically via message
> unit, i.e., based on mailbox linux kernel driver. This driver enables
> communication ensuring well defined message sequence protocol between
> Application Core and enclave's firmware.
>
> Driver configures multiple misc-device on the MU, for multiple
> user-space applications, to be able to communicate over single MU.
>
> It exists on some i.MX processors. e.g. i.MX8ULP, i.MX93 etc.
>
> Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
> Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
> Reviewed-by: Conor Dooley <conor@kernel.org>

> Where Conor's review tag was actually given?
On v6.

> I don't see any hints in the changelog.
Accepted. Will update it in the change log, under v6.

> Best regards,
> Krzysztof

[-- Attachment #2: smime.p7s --]
[-- Type: application/pkcs7-signature, Size: 11094 bytes --]