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@xxxxxxxxxxxxxxxxxxxx> > > --- > > 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@xxxxxxxxxx>
