On Mon, Apr 05, 2021 at 01:18:13PM -0700, Matthias Kaehlcke wrote: > The Realtek RTS5411 is a USB 3.0 hub controller with 4 ports. > > This initial version of the binding only describes USB related > aspects of the RTS5411, it does not cover the option of > connecting the controller as an i2c slave. > > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > --- > > Changes in v7: > - added type ref for 'companion-hub' property > > Changes in v6: > - Realtek binding instead of generic onboard_usb_hub > - added 'companion-hub' property > - added reference to 'usb-device.yaml' > - 'fixed' indentation of compatible entries to keep yamllint happy > - added 'additionalProperties' entry > - updated commit message > > Changes in v5: > - updated 'title' > - only use standard USB compatible strings > - deleted 'usb_hub' node > - renamed 'usb_controller' node to 'usb-controller' > - removed labels from USB nodes > - added 'vdd-supply' to USB nodes > > Changes in v4: > - none > > Changes in v3: > - updated commit message > - removed recursive reference to $self > - adjusted 'compatible' definition to support multiple entries > - changed USB controller phandle to be a node > > Changes in v2: > - removed 'wakeup-source' and 'power-off-in-suspend' properties > - consistently use spaces for indentation in example > > .../bindings/usb/realtek,rts5411.yaml | 59 +++++++++++++++++++ > 1 file changed, 59 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/realtek,rts5411.yaml > > diff --git a/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml > new file mode 100644 > index 000000000000..b59001972749 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml > @@ -0,0 +1,59 @@ > +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/realtek,rts5411.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Binding for the Realtek RTS5411 USB 3.0 hub controller > + > +maintainers: > + - Matthias Kaehlcke <mka@xxxxxxxxxxxx> > + > +allOf: > + - $ref: usb-device.yaml# > + > +properties: > + compatible: > + items: > + - enum: > + - usbbda,5411 > + - usbbda,411 > + reg: true to fix the error. > + vdd-supply: > + description: > + phandle to the regulator that provides power to the hub. > + > + companion-hub: > + $ref: '/schemas/types.yaml#/definitions/phandle' > + description: > + phandle to the companion hub on the controller. This should be required I think. I suppose you could only hook up 2.0 ports, but why. And 3.0 only wouldn't be USB compliant, would it? > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + usb-controller { 'usb' is the standard name. > + dr_mode = "host"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + /* 2.0 hub on port 1 */ > + hub_2_0: hub@1 { > + compatible = "usbbda,5411"; > + reg = <1>; > + vdd-supply = <&pp3300_hub>; > + companion-hub = <&hub_3_0>; > + }; > + > + /* 3.0 hub on port 2 */ > + hub_3_0: hub@2 { > + compatible = "usbbda,411"; > + reg = <2>; > + vdd-supply = <&pp3300_hub>; > + companion-hub = <&hub_2_0>; > + }; > + }; > -- > 2.31.0.208.g409f899ff0-goog >
