Re: [PATCH v2 1/6] dt-bindings: dma: dw: Convert DW DMAC to DT binding

[Rob Herring <robh@kernel.org>]

On Fri, May 08, 2020 at 01:52:59PM +0300, Serge Semin wrote:
> Modern device tree bindings are supposed to be created as YAML-files
> in accordance with dt-schema. This commit replaces the Synopsis
> Designware DMA controller legacy bare text bindings with YAML file.
> The only required prorties are "compatible", "reg", "#dma-cells" and
> "interrupts", which will be used by the driver to correctly find the
> controller memory region and handle its events. The rest of the properties
> are optional, since in case if either "dma-channels" or "dma-masters" isn't
> specified, the driver will attempt to auto-detect the IP core
> configuration.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Cc: Paul Burton <paulburton@kernel.org>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: linux-mips@vger.kernel.org
> 
> ---
> 
> Changelog v2:
> - Rearrange SoBs.
> - Move $ref to the root level of the properties. So do do with the
>   constraints.
> - Discard default settings defined out of the property enum constraint.
> - Replace "additionalProperties: false" with "unevaluatedProperties: false"
>   property.
> - Remove a label definition from the binding example.
> ---
>  .../bindings/dma/snps,dma-spear1340.yaml      | 161 ++++++++++++++++++
>  .../devicetree/bindings/dma/snps-dma.txt      |  69 --------
>  2 files changed, 161 insertions(+), 69 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml
>  delete mode 100644 Documentation/devicetree/bindings/dma/snps-dma.txt

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