Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml
Extension
.yaml
Size
1442 bytes
Lines
64
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# 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 <neil.armstrong@linaro.org>

description:
  UPD720201 USB 3.0 xHCI Host Controller via PCIe x1 Gen2 interface.
  The UPD720202 supports up to two downstream ports, while UPD720201
  supports up to four downstream USB 3.0 rev1.0 ports.

properties:
  compatible:
    enum:
      - pci1912,0014 # UPD720201
      - pci1912,0015 # UPD720202

  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
  - avdd33-supply
  - vdd10-supply
  - vdd33-supply

allOf:
  - $ref: usb-xhci.yaml

additionalProperties: true

examples:
  - |
    pcie@0 {
        reg = <0x0 0x1000>;
        ranges = <0x02000000 0x0 0x100000 0x10000000 0x0 0x0>;
        #address-cells = <3>;
        #size-cells = <2>;
        device_type = "pci";

        usb-controller@0 {
            compatible = "pci1912,0014";
            reg = <0x0 0x0 0x0 0x0 0x0>;
            avdd33-supply = <&avdd33_reg>;
            vdd10-supply = <&vdd10_reg>;
            vdd33-supply = <&vdd33_reg>;
        };
    };

Annotation

Implementation Notes