linux-kernel - Re: [PATCH v5 03/11] dt-bindings: i2c: dw: Add Baikal-T1 SoC I2C controller

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Message-ID: <20200527153517.alnci44e464h3ep5@mobilestation>
Date:   Wed, 27 May 2020 18:35:17 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Rob Herring <robh+dt@...nel.org>
CC:     Serge Semin <fancer.lancer@...il.com>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        <linux-mips@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 03/11] dt-bindings: i2c: dw: Add Baikal-T1 SoC I2C
 controller

Rob,
Could you please pay attention to this patch? The patchset review procedure
is nearly over, while the DT part is only partly reviewed by you.

Thanks
-Sergey

On Wed, May 27, 2020 at 06:30:38PM +0300, Serge Semin wrote:
> Add the "baikal,bt1-sys-i2c" compatible string to the DW I2C binding. Even
> though the corresponding node is supposed to be a child of the Baikal-T1
> System Controller, its reg property is left required for compatibility.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> Cc: Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>
> Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Cc: Mika Westerberg <mika.westerberg@...ux.intel.com>
> Cc: linux-mips@...r.kernel.org
> 
> ---
> 
> Changelog v2:
> - Make the reg property being optional if it's Baikal-T1 System I2C DT
>   node.
> 
> Changelog v3:
> - Get back the reg property being mandatory even if it's Baikal-T1 System
>   I2C DT node. Rob says it has to be in the DT node if there is a
>   dedicated registers range in the System Controller registers space.
> ---
>  Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
> index 101d78e8f19d..8c9b3db1b1b8 100644
> --- a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
> @@ -31,6 +31,8 @@ properties:
>          items:
>            - const: mscc,ocelot-i2c
>            - const: snps,designware-i2c
> +      - description: Baikal-T1 SoC System I2C controller
> +        const: baikal,bt1-sys-i2c
>  
>    reg:
>      minItems: 1
> -- 
> 2.26.2
>