[PATCH v5 01/19] dt-bindings: usb: usb-hcd: Detach generic USB controller properties

[Rob Herring]

On Sat, 05 Dec 2020 18:24:08 +0300, Serge Semin wrote:
> There can be three distinctive types of the USB controllers: USB hosts,
> USB peripherals/gadgets and USB OTG, which can switch from one role to
> another. In order to have that hierarchy handled in the DT binding files,
> we need to collect common properties in a common DT schema and specific
> properties in dedicated schemas. Seeing the usb-hcd.yaml DT schema is
> dedicated for the USB host controllers only, let's move some common
> properties from there into the usb.yaml schema. So the later would be
> available to evaluate all currently supported types of the USB
> controllers.
> 
> While at it add an explicit "additionalProperties: true" into the
> usb-hcd.yaml as setting the additionalProperties/unevaluateProperties
> properties is going to be get mandatory soon.
> 
> Signed-off-by: Serge Semin <Sergey.Semin at baikalelectronics.ru>
> 
> ---
> 
> Changelog v4:
> - This is a new patch created as a result of the comment left
>   by Chunfeng Yun in v3
> 
> Changelog v5:
> - Discard duplicated additionalProperties property definition.
> ---
>  .../devicetree/bindings/usb/usb-hcd.yaml      | 14 ++-------
>  .../devicetree/bindings/usb/usb.yaml          | 29 +++++++++++++++++++
>  2 files changed, 31 insertions(+), 12 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/usb/usb.yaml
> 

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