On Tue, Feb 27, 2024 at 05:02:27PM +0800, Macpaul Lin wrote: > The TI USB8020B is a USB 3.0 hub controller with 2 ports. > > This initial version of the binding only describes USB related aspects > of the USB8020B, it does not cover the option of connecting the controller > as an i2c slave. > > Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx> > --- > .../devicetree/bindings/usb/ti,usb8020b.yaml | 69 +++++++++++++++++++ > 1 file changed, 69 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/ti,usb8020b.yaml > > diff --git a/Documentation/devicetree/bindings/usb/ti,usb8020b.yaml b/Documentation/devicetree/bindings/usb/ti,usb8020b.yaml > new file mode 100644 > index 000000000000..8ef117793e11 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/ti,usb8020b.yaml > @@ -0,0 +1,69 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/ti,usb8020b.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TI USB8020B USB 3.0 hub controller > + > +maintainers: > + - Macpaul Lin <macpaul.lin@xxxxxxxxxxxx> > + > +allOf: > + - $ref: usb-device.yaml# > + > +properties: > + compatible: > + enum: > + - usb451,8025 > + - usb451,8027 > + > + reg: true > + > + reset-gpios: > + items: > + - description: GPIO specifier for GRST# pin. > + > + vdd-supply: There is currently a rework of the onboard_usb_hub driver ongoing to support the actual names of the supplies, instead of the generic 'vdd-supply': https://lore.kernel.org/linux-usb/20240220-onboard_xvf3500-v4-0-dc1617cc5dd4@xxxxxxxxxxxxxx/ I think for new bindings we should wait until this rework is done and the binding should have the hub specific supply name.
