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Message-ID: <20200527012013.GA822473@bogus>
Date:   Tue, 26 May 2020 19:20:13 -0600
From:   Rob Herring <robh@...nel.org>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     linux-i2c@...r.kernel.org, Wolfram Sang <wsa@...-dreams.de>,
        devicetree@...r.kernel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>
Subject: Re: [PATCH v3 02/12] dt-bindings: i2c: Convert DW I2C binding to DT
 schema

On Wed, 27 May 2020 00:55:18 +0300, Serge Semin wrote:
> Modern device tree bindings are supposed to be created as YAML-files
> in accordance with dt-schema. This commit replaces Synopsys DW I2C
> legacy bare text bindings with YAML file. As before the bindings file
> states that the corresponding dts node is supposed to be compatible
> either with generic DW I2C controller or with Microsemi Ocelot SoC I2C
> one, to have registers, interrupts and clocks properties. In addition
> the node may have clock-frequency, i2c-sda-hold-time-ns,
> i2c-scl-falling-time-ns and i2c-sda-falling-time-ns optional properties.
> 
> 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 sure that "mscc,ocelot-i2c" compatible node may have up to two
>   registers space defined, while normal DW I2C controller will have only
>   one registers space.
> - Add "mscc,ocelot-i2c" example to test the previous fix.
> - Declare "unevaluatedProperties" property instead of
>   "additionalProperties" one.
> - Due to the previous fix we can now discard the dummy boolean properties
>   definitions, since the proper type evaluation will be performed by the
>   generic i2c-controller.yaml schema.
> 
> Changelog v3:
> - Discard $ref from the "-ns" suffixed properties since they've got the
>   uint32-array type by default applied in the common schema. Set "maxItems: 1"
>   there instead to make sure the property will have a single value specified.
> ---
>  .../bindings/i2c/i2c-designware.txt           |  73 ---------
>  .../bindings/i2c/snps,designware-i2c.yaml     | 154 ++++++++++++++++++
>  2 files changed, 154 insertions(+), 73 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-designware.txt
>  create mode 100644 Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
> 

Reviewed-by: Rob Herring <robh@...nel.org>

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