linux-kernel - Re: [PATCH v3 5/5] ARM: dts: imx7s: add CAAM device node

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Message-ID: <VI1PR0402MB334269ACFE0805A2E31D604B98FA0@VI1PR0402MB3342.eurprd04.prod.outlook.com>
Date:   Thu, 1 Feb 2018 11:44:23 +0000
From:   Horia Geantă <horia.geanta@....com>
To:     Bryan O'Donoghue <pure.logic@...us-software.ie>,
        Aymen Sghaier <aymen.sghaier@....com>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Fabio Estevam <fabio.estevam@....com>, Peng Fan <peng.fan@....com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "lukas.auer@...ec.fraunhofer.de" <lukas.auer@...ec.fraunhofer.de>,
        "rui.silva@...aro.org" <rui.silva@...aro.org>,
        "ryan.harkin@...aro.org" <ryan.harkin@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 5/5] ARM: dts: imx7s: add CAAM device node

On 1/31/2018 4:00 AM, Bryan O'Donoghue wrote:
> From: Rui Miguel Silva <rui.silva@...aro.org>
> 
> Add CAAM device node to the i.MX7s device tree.
> 
> Signed-off-by: Rui Miguel Silva <rui.silva@...aro.org>
> Cc: Shawn Guo <shawnguo@...nel.org>
> Cc: Sascha Hauer <kernel@...gutronix.de>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: "Horia Geantă" <horia.geanta@....com>
> Cc: Aymen Sghaier <aymen.sghaier@....com>
> Cc: Fabio Estevam <fabio.estevam@....com>
> Cc: Peng Fan <peng.fan@....com>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Lukas Auer <lukas.auer@...ec.fraunhofer.de>
> Signed-off-by: Bryan O'Donoghue <pure.logic@...us-software.ie>
> ---
>  arch/arm/boot/dts/imx7s.dtsi | 31 +++++++++++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
> index 82ad26e..e38c159 100644
> --- a/arch/arm/boot/dts/imx7s.dtsi
> +++ b/arch/arm/boot/dts/imx7s.dtsi
> @@ -805,6 +805,37 @@
>  				status = "disabled";
>  			};
>  
> +			crypto: caam@...00000 {
> +				compatible = "fsl,sec-v4.0";
> +				fsl,sec-era = <4>;
CCBVID[CAAM_ERA] = 8.
Either remove this (optional) property and let the bootloader add it
dynamically, or provide a correct value for it.

Thanks,
Horia