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

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Message-ID:
 <AM9PR04MB86049239156AC82F0AA4BCCA95E72@AM9PR04MB8604.eurprd04.prod.outlook.com>
Date: Mon, 20 Jan 2025 13:07:24 +0000
From: Pankaj Gupta <pankaj.gupta@....com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Jonathan Corbet <corbet@....net>,
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha
 Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team
	<kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>
CC: "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, Conor Dooley <conor@...nel.org>
Subject: RE: [EXT] Re: [PATCH v12 2/5] dt-bindings: arm: fsl: add imx-se-fw
 binding doc



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

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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@....com>
> Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
> Reviewed-by: Conor Dooley <conor@...nel.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

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