Bindings/usb/ti,keystone-dwc3.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/usb/ti,keystone-dwc3.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: TI Keystone Soc USB Controller
   8
   9 maintainers:
  10   - Roger Quadros <rogerq@ti.com>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - const: "ti,keystone-dwc3"
  16       - const: "ti,am654-dwc3"
  17
  18   reg:
  19     maxItems: 1
  20     description: Address and length of the register set for the USB subsystem on
  21       the SOC.
  22
  23   interrupts:
  24     maxItems: 1
  25     description: The irq number of this device that is used to interrupt the MPU.
  26
  27
  28   clocks:
  29     description: Clock ID for USB functional clock.
  30
  31   power-domains:
  32     description: Should contain a phandle to a PM domain provider node
  33       and an args specifier containing the USB device id
  34       value. This property is as per the binding,
  35       Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
  36
  37   phys:
  38     description:
  39       PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY
  40       to be turned on before the controller.
  41       Documentation/devicetree/bindings/phy/phy-bindings.txt
  42
  43   phy-names:
  44     items:
  45       - const: "usb3-phy"
  46
  47   dwc3:
  48     description: This is the node representing the DWC3 controller instance
  49       Documentation/devicetree/bindings/usb/dwc3.txt
  50
  51 required:
  52   - compatible
  53   - reg
  54   - interrupts
  55   - clocks
  56
  57 examples:
  58   - |
  59     #include <dt-bindings/interrupt-controller/arm-gic.h>
  60
  61     usb: usb@2680000 {
  62       compatible = "ti,keystone-dwc3";
  63       #address-cells = <1>;
  64       #size-cells = <1>;
  65       reg = <0x2680000 0x10000>;
  66       clocks = <&clkusb>;
  67       clock-names = "usb";
  68       interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
  69       ranges;
  70
  71       dwc3@2690000 {
  72         compatible = "synopsys,dwc3";
  73         reg = <0x2690000 0x70000>;
  74         interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
  75         usb-phy = <&usb_phy>, <&usb_phy>;
  76       };
  77     };