linux-kernel - Re: [PATCH v4 4/7] arm64: dts: imx93-11x11-evk: added nxp secure enclave fw

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Message-ID: <29cb4426-a15e-7186-1713-427f749bc187@linaro.org>
Date:   Wed, 12 Jul 2023 21:07:32 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Pankaj Gupta <pankaj.gupta@....com>, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, clin@...e.com,
        conor+dt@...nel.org, pierre.gondois@....com, ping.bai@....com,
        xiaoning.wang@....com, wei.fang@....com, peng.fan@....com,
        haibo.chen@....com, festevam@...il.com, linux-imx@....com,
        davem@...emloft.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, gaurav.jain@....com,
        alexander.stein@...tq-group.com, sahil.malhotra@....com,
        aisheng.dong@....com, V.Sethi@....com
Subject: Re: [PATCH v4 4/7] arm64: dts: imx93-11x11-evk: added nxp secure
 enclave fw

On 12/07/2023 14:12, Pankaj Gupta wrote:
> Added support for NXP secure enclave called EdgeLock Enclave
> firmware (se-fw) for imx93-11x11-evk.
> 
> Signed-off-by: Pankaj Gupta <pankaj.gupta@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx93.dtsi | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
> index 8643612ace8c..2b0f901d2709 100644
> --- a/arch/arm64/boot/dts/freescale/imx93.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
> @@ -1,6 +1,6 @@
>  // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>  /*
> - * Copyright 2022 NXP
> + * Copyright 2022-2023 NXP
>   */
>  
>  #include <dt-bindings/clock/imx93-clock.h>
> @@ -863,5 +863,14 @@ ddr-pmu@...00dc0 {
>  			reg = <0x4e300dc0 0x200>;
>  			interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
>  		};
> +
> +		ele_fw: se-fw {
> +			compatible = "fsl,imx93-ele";
> +			mboxes = <&s4muap 0 0 &s4muap 1 0>;

This should be two entries.

> +			mbox-names = "tx", "rx";
> +			fsl,mu-did = <3>;
> +			fsl,mu-id = <2>;

Drop both. Since you put it into the DTSI, it means it is compatible
specific.

> +			status = "okay";

Drop.



Best regards,
Krzysztof