netdev - Re: [PATCH 1/7] dt-bindings: can: flexcan: fix imx8mp compatbile

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Message-ID: <CAA+hA=QDJhf_LnBZCiKE-FbUNciX4bmgmrvft8Y-vkB9Lguj=w@mail.gmail.com>
Date:   Thu, 15 Jul 2021 18:45:58 +0800
From:   Dong Aisheng <dongas86@...il.com>
To:     Marc Kleine-Budde <mkl@...gutronix.de>
Cc:     Dong Aisheng <aisheng.dong@....com>,
        devicetree <devicetree@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        dl-linux-imx <linux-imx@....com>,
        Sascha Hauer <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Joakim Zhang <qiangqing.zhang@....com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 1/7] dt-bindings: can: flexcan: fix imx8mp compatbile

Hi Marc,

On Thu, Jul 15, 2021 at 5:12 PM Marc Kleine-Budde <mkl@...gutronix.de> wrote:
>
> On 15.07.2021 16:25:30, Dong Aisheng wrote:
> > This patch fixes the following errors during make dtbs_check:
> > arch/arm64/boot/dts/freescale/imx8mp-evk.dt.yaml: can@...c0000: compatible: 'oneOf' conditional failed, one must be fixed:
> >       ['fsl,imx8mp-flexcan', 'fsl,imx6q-flexcan'] is too long
>
> IIRC the fsl,imx6q-flexcan binding doesn't work on the imx8mp. Maybe
> better change the dtsi?

I checked with Joakim that the flexcan on MX8MP is derived from MX6Q with extra
ECC added. Maybe we should still keep it from HW point of view?

Regards
Aisheng

>
> regards,
> Marc
>
> --
> Pengutronix e.K.                 | Marc Kleine-Budde           |
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