linux-kernel - Re: [PATCH v20 3/7] firmware: imx: add driver for NXP EdgeLock Enclave

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Message-ID: <33d659bd-eba9-4b47-a374-32b6c763d640@infradead.org>
Date: Wed, 3 Dec 2025 10:02:49 -0800
From: Randy Dunlap <rdunlap@...radead.org>
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, Frank Li <Frank.Li@....com>
Subject: Re: [PATCH v20 3/7] firmware: imx: add driver for NXP EdgeLock
 Enclave

Hi--

On 12/2/25 10:48 PM, Pankaj Gupta wrote:
> diff --git a/drivers/firmware/imx/Kconfig b/drivers/firmware/imx/Kconfig
> index 127ad752acf8..5fe96299b704 100644
> --- a/drivers/firmware/imx/Kconfig
> +++ b/drivers/firmware/imx/Kconfig
> @@ -55,3 +55,16 @@ config IMX_SCMI_MISC_DRV
>  	  core that could provide misc functions such as board control.
>  
>  	  This driver can also be built as a module.
> +
> +config IMX_SEC_ENCLAVE
> +	tristate "i.MX Embedded Secure Enclave - EdgeLock Enclave Firmware driver."
> +	depends on IMX_MBOX && ARCH_MXC && ARM64

Is it possible to work COMPILE_TEST into this dependency?

> +	select FW_LOADER
> +	default m if ARCH_MXC
> +
> +	help
> +	  Exposes APIs supported by the iMX Secure Enclave HW IP called:
> +	  - EdgeLock Enclave Firmware (for i.MX8ULP, i.MX93),
> +	    like base, HSM, V2X & SHE using the SAB protocol via the shared Messaging
> +	    Unit. This driver exposes these interfaces via a set of file descriptors
> +	    allowing to configure shared memory, send and receive messages.

thanks.
-- 
~Randy