xref: /kernel/linux/linux-5.10/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.yaml

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/allwinner,sun4i-a10-musb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A10 mUSB OTG Controller Device Tree Bindings

maintainers:
  - Chen-Yu Tsai <wens@csie.org>
  - Maxime Ripard <mripard@kernel.org>

properties:
  compatible:
    oneOf:
      - const: allwinner,sun4i-a10-musb
      - const: allwinner,sun6i-a31-musb
      - const: allwinner,sun8i-a33-musb
      - const: allwinner,sun8i-h3-musb
      - items:
          - enum:
              - allwinner,sun8i-a83t-musb
              - allwinner,sun50i-h6-musb
          - const: allwinner,sun8i-a33-musb

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  interrupt-names:
    const: mc

  clocks:
    maxItems: 1

  resets:
    maxItems: 1

  phys:
    description: PHY specifier for the OTG PHY

  phy-names:
    const: usb

  extcon:
    description: Extcon specifier for the OTG PHY

  dr_mode:
    enum:
      - host
      - otg
      - peripheral

  allwinner,sram:
    description: Phandle to the device SRAM
    $ref: /schemas/types.yaml#/definitions/phandle-array

required:
  - compatible
  - reg
  - interrupts
  - interrupt-names
  - clocks
  - phys
  - phy-names
  - dr_mode
  - extcon

if:
  properties:
    compatible:
      contains:
        enum:
          - allwinner,sun6i-a31-musb
          - allwinner,sun8i-a33-musb
          - allwinner,sun8i-h3-musb

then:
  required:
    - resets

additionalProperties: false

examples:
  - |
    usb_otg: usb@1c13000 {
      compatible = "allwinner,sun4i-a10-musb";
      reg = <0x01c13000 0x0400>;
      clocks = <&ahb_gates 0>;
      interrupts = <38>;
      interrupt-names = "mc";
      phys = <&usbphy 0>;
      phy-names = "usb";
      extcon = <&usbphy 0>;
      dr_mode = "peripheral";
    };

...