dwc3-xilinx.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/usb/dwc3-xilinx.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Xilinx SuperSpeed DWC3 USB SoC controller
    8 
    9 maintainers:
   10   - Manish Narani <manish.narani@xilinx.com>
   11 
   12 properties:
   13   compatible:
   14     items:
   15       - enum:
   16           - xlnx,zynqmp-dwc3
   17           - xlnx,versal-dwc3
   18   reg:
   19     maxItems: 1
   20 
   21   "#address-cells":
   22     enum: [ 1, 2 ]
   23 
   24   "#size-cells":
   25     enum: [ 1, 2 ]
   26 
   27   ranges: true
   28 
   29   power-domains:
   30     description: specifies a phandle to PM domain provider node
   31     maxItems: 1
   32 
   33   clocks:
   34     description:
   35       A list of phandle and clock-specifier pairs for the clocks
   36       listed in clock-names.
   37     items:
   38       - description: Master/Core clock, has to be >= 125 MHz
   39           for SS operation and >= 60MHz for HS operation.
   40       - description: Clock source to core during PHY power down.
   41 
   42   clock-names:
   43     items:
   44       - const: bus_clk
   45       - const: ref_clk
   46 
   47   resets:
   48     description:
   49       A list of phandles for resets listed in reset-names.
   50 
   51     items:
   52       - description: USB core reset
   53       - description: USB hibernation reset
   54       - description: USB APB reset
   55 
   56   reset-names:
   57     items:
   58       - const: usb_crst
   59       - const: usb_hibrst
   60       - const: usb_apbrst
   61 
   62   phys:
   63     minItems: 1
   64     maxItems: 2
   65 
   66   phy-names:
   67     minItems: 1
   68     maxItems: 2
   69     items:
   70       enum:
   71         - usb2-phy
   72         - usb3-phy
   73 
   74   reset-gpios:
   75     description: GPIO used for the reset ulpi-phy
   76     maxItems: 1
   77 
   78 # Required child node:
   79 
   80 patternProperties:
   81   "^usb@[0-9a-f]+$":
   82     $ref: snps,dwc3.yaml#
   83 
   84 required:
   85   - compatible
   86   - reg
   87   - "#address-cells"
   88   - "#size-cells"
   89   - ranges
   90   - power-domains
   91   - clocks
   92   - clock-names
   93   - resets
   94   - reset-names
   95 
   96 additionalProperties: false
   97 
   98 examples:
   99   - |
  100     #include <dt-bindings/dma/xlnx-zynqmp-dpdma.h>
  101     #include <dt-bindings/power/xlnx-zynqmp-power.h>
  102     #include <dt-bindings/reset/xlnx-zynqmp-resets.h>
  103     #include <dt-bindings/clock/xlnx-zynqmp-clk.h>
  104     #include <dt-bindings/reset/xlnx-zynqmp-resets.h>
  105     #include <dt-bindings/phy/phy.h>
  106     axi {
  107         #address-cells = <2>;
  108         #size-cells = <2>;
  109 
  110         usb@0 {
  111             #address-cells = <0x2>;
  112             #size-cells = <0x2>;
  113             compatible = "xlnx,zynqmp-dwc3";
  114             reg = <0x0 0xff9d0000 0x0 0x100>;
  115             clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
  116             clock-names = "bus_clk", "ref_clk";
  117             power-domains = <&zynqmp_firmware PD_USB_0>;
  118             resets = <&zynqmp_reset ZYNQMP_RESET_USB1_CORERESET>,
  119                      <&zynqmp_reset ZYNQMP_RESET_USB1_HIBERRESET>,
  120                      <&zynqmp_reset ZYNQMP_RESET_USB1_APB>;
  121             reset-names = "usb_crst", "usb_hibrst", "usb_apbrst";
  122             phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
  123             phy-names = "usb3-phy";
  124             ranges;
  125 
  126             usb@fe200000 {
  127                 compatible = "snps,dwc3";
  128                 reg = <0x0 0xfe200000 0x0 0x40000>;
  129                 interrupt-names = "host", "otg";
  130                 interrupts = <0 65 4>, <0 69 4>;
  131                 dr_mode = "host";
  132                 dma-coherent;
  133             };
  134         };
  135     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/usb/dwc3-xilinx.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/usb/dwc3-xilinx.yaml