linux-kernel - Re: [PATCH v1 1/6] dt-bindings: i2c: npcm: support NPCM845

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Message-ID: <YgEAsTW6DrZSSgL+@latitude>
Date:   Mon, 7 Feb 2022 12:21:21 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Tyrone Ting <warp5tw@...il.com>
Cc:     avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com,
        venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com,
        robh+dt@...nel.org, krzysztof.kozlowski@...onical.com,
        semen.protsenko@...aro.org, yangyicong@...ilicon.com,
        wsa@...nel.org, jie.deng@...el.com, sven@...npeter.dev,
        bence98@....bme.hu, lukas.bulwahn@...il.com, arnd@...db.de,
        olof@...om.net, andriy.shevchenko@...ux.intel.com,
        tali.perry@...oton.com, Avi.Fishman@...oton.com,
        tomer.maimon@...oton.com, KWLIU@...oton.com, JJLIU0@...oton.com,
        kfting@...oton.com, devicetree@...r.kernel.org,
        openbmc@...ts.ozlabs.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/6] dt-bindings: i2c: npcm: support NPCM845

Hello,

On Mon, Feb 07, 2022 at 02:33:33PM +0800, Tyrone Ting wrote:
> From: Tyrone Ting <kfting@...oton.com>
> 
> This commit adds compatible and syscon description for NPCM845 i2c module.
> 
> Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver")
> Signed-off-by: Tyrone Ting <kfting@...oton.com>
> Signed-off-by: Tali Perry <tali.perry1@...il.com>
> ---
[...]
>  
> +  syscon:
> +    $ref: "/schemas/types.yaml#/definitions/phandle"
> +    description: The phandle of system manager register node.
> +
>  required:
>    - compatible
>    - reg
>    - interrupts
>    - clocks
> +  - syscon

By making the syscon property required, the existing npcm7xx devicetrees
become wrong (because they don't have the syscon property).
Please, either keep it optional, or adjust the npcm7xx devicetrees in
this series.


Best regards,
Jonathan

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