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@xxxxxxxxxxxxxxxxxxxx> > Cc: Alexey Malahov <Alexey.Malahov@xxxxxxxxxxxxxxxxxxxx> > Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> > Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> > Cc: linux-mips@xxxxxxxxxxxxxxx > > --- > > 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@xxxxxxxxxx>
