T-HEAD TH1520 platform's USB has a wrapper module around the DesignWare USB3 DRD controller. Add binding information doc for it. Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx> --- .../bindings/usb/thead,th1520-usb.yaml | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/thead,th1520-usb.yaml diff --git a/Documentation/devicetree/bindings/usb/thead,th1520-usb.yaml b/Documentation/devicetree/bindings/usb/thead,th1520-usb.yaml new file mode 100644 index 000000000000..afb618eb5013 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/thead,th1520-usb.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/thead,th1520-usb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD TH1520 DWC3 USB Controller Glue + +maintainers: + - Jisheng Zhang <jszhang@xxxxxxxxxx> + +properties: + compatible: + const: thead,th1520-usb + + reg: + maxItems: 1 + + clocks: + maxItems: 4 + + clock-names: + items: + - const: ref + - const: bus_early + - const: phy + - const: suspend + + ranges: true + + '#address-cells': + enum: [ 1, 2 ] + + '#size-cells': + enum: [ 1, 2 ] + +# Required child node: + +patternProperties: + "^usb@[0-9a-f]+$": + $ref: snps,dwc3.yaml# + +required: + - compatible + - reg + - clocks + - clock-names + - ranges + +additionalProperties: false + +examples: + - | + + usb { + compatible = "thead,th1520-usb"; + reg = <0xec03f000 0x1000>; + clocks = <&clk 1>, + <&clk 2>, + <&clk 3>, + <&clk 4>; + clock-names = "ref", "bus_early", "phy", "suspend"; + ranges; + #address-cells = <1>; + #size-cells = <1>; + + usb@e7040000 { + compatible = "snps,dwc3"; + reg = <0xe7040000 0x10000>; + interrupts = <68>; + dr_mode = "host"; + }; + }; -- 2.40.1
