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    Subject[PATCH v5 03/11] dt-bindings: i2c: dw: Add Baikal-T1 SoC I2C controller
    Date
    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@baikalelectronics.ru>
    Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
    Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
    Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
    Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
    Cc: linux-mips@vger.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
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