Documentation/devicetree/bindings/usb/renesas,usb3-peri.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/usb/renesas,usb3-peri.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas USB 3.0 Peripheral controller
   8
   9 maintainers:
  10   - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
  11
  12 properties:
  13   compatible:
  14     items:
  15       - enum:
  16           - renesas,r8a774a1-usb3-peri # RZ/G2M
  17           - renesas,r8a774b1-usb3-peri # RZ/G2N
  18           - renesas,r8a774c0-usb3-peri # RZ/G2E
  19           - renesas,r8a7795-usb3-peri  # R-Car H3
  20           - renesas,r8a7796-usb3-peri  # R-Car M3-W
  21           - renesas,r8a77965-usb3-peri # R-Car M3-N
  22           - renesas,r8a77990-usb3-peri # R-Car E3
  23       - const: renesas,rcar-gen3-usb3-peri
  24
  25   reg:
  26     maxItems: 1
  27
  28   interrupts:
  29     maxItems: 1
  30
  31   clocks:
  32     maxItems: 1
  33
  34   phys:
  35     maxItems: 1
  36
  37   phy-names:
  38     const: usb
  39
  40   power-domains:
  41     maxItems: 1
  42
  43   resets:
  44     maxItems: 1
  45
  46   usb-role-switch:
  47     $ref: /schemas/types.yaml#/definitions/flag
  48     description: Support role switch.
  49
  50   companion:
  51     $ref: /schemas/types.yaml#/definitions/phandle
  52     description: phandle of a companion.
  53
  54   port:
  55     description: |
  56       any connector to the data bus of this controller should be modelled
  57       using the OF graph bindings specified, if the "usb-role-switch"
  58       property is used.
  59
  60 required:
  61   - compatible
  62   - interrupts
  63   - clocks
  64
  65 additionalProperties: false
  66
  67 examples:
  68   - |
  69     #include <dt-bindings/clock/r8a774c0-cpg-mssr.h>
  70     #include <dt-bindings/interrupt-controller/arm-gic.h>
  71     #include <dt-bindings/power/r8a774c0-sysc.h>
  72
  73     usb3_peri0: usb@ee020000 {
  74         compatible = "renesas,r8a774c0-usb3-peri", "renesas,rcar-gen3-usb3-peri";
  75         reg = <0 0xee020000 0 0x400>;
  76         interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
  77         clocks = <&cpg CPG_MOD 328>;
  78         companion = <&xhci0>;
  79         usb-role-switch;
  80
  81         port {
  82             usb3_role_switch: endpoint {
  83                 remote-endpoint = <&hd3ss3220_ep>;
  84             };
  85         };
  86     };