Document the Renesas UPD720201/UPD720202 USB 3.0 xHCI Host Controller, which connects over PCIe and requires specific power supplies to start up.
Signed-off-by: Neil Armstrong <[email protected]> --- .../bindings/usb/renesas,upd720201-pci.yaml | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml b/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml new file mode 100644 index 000000000000..df3cdcf44747 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/renesas,upd720201-pci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: UPD720201/UPD720202 USB 3.0 xHCI Host Controller (PCIe) + +maintainers: + - Neil Armstrong <[email protected]> + +description: + UPD720201 USB 3.0 xHCI Host Controller via PCIe x1 Gen2 interface. + The UPD720202 up to two downstream ports, while UPD720201 supports up to + four downstream USB 3.0 rev1.0 ports. + +properties: + compatible: + const: pci1912,0014 + + reg: + maxItems: 1 + + avdd33-supply: + description: +3.3 V power supply for analog circuit + + vdd10-supply: + description: +1.05 V power supply + + vdd33-supply: + description: +3.3 V power supply + +required: + - compatible + - reg + +allOf: + - $ref: usb-xhci.yaml + +additionalProperties: false + +examples: + - | + pcie@0 { + reg = <0x0 0x1000>; + ranges = <0x02000000 0x0 0x100000 0x10000000 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + + usb@0 { + compatible = "pci1912,0014"; + reg = <0x0 0x0 0x0 0x0 0x0>; + }; + }; -- 2.34.1
