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-Xilinx SuperSpeed DWC3 USB SoC controller
-
-Required properties:
-- compatible: May contain "xlnx,zynqmp-dwc3" or "xlnx,versal-dwc3"
-- reg: Base address and length of the register control block
-- clocks: A list of phandles for the clocks listed in clock-names
-- clock-names: Should contain the following:
- "bus_clk" Master/Core clock, have to be >= 125 MHz for SS
- operation and >= 60MHz for HS operation
-
- "ref_clk" Clock source to core during PHY power down
-- resets: A list of phandles for resets listed in reset-names
-- reset-names:
- "usb_crst" USB core reset
- "usb_hibrst" USB hibernation reset
- "usb_apbrst" USB APB reset
-
-Required child node:
-A child node must exist to represent the core DWC3 IP block. The name of
-the node is not important. The content of the node is defined in dwc3.txt.
-
-Optional properties for snps,dwc3:
-- dma-coherent: Enable this flag if CCI is enabled in design. Adding this
- flag configures Global SoC bus Configuration Register and
- Xilinx USB 3.0 IP - USB coherency register to enable CCI.
-- interrupt-names: Should contain the following:
- "dwc_usb3" USB gadget mode interrupts
- "otg" USB OTG mode interrupts
- "hiber" USB hibernation interrupts
-
-Example device node:
-
- usb@0 {
- #address-cells = <0x2>;
- #size-cells = <0x1>;
- compatible = "xlnx,zynqmp-dwc3";
- reg = <0x0 0xff9d0000 0x0 0x100>;
- clock-names = "bus_clk", "ref_clk";
- clocks = <&clk125>, <&clk125>;
- resets = <&zynqmp_reset ZYNQMP_RESET_USB1_CORERESET>,
- <&zynqmp_reset ZYNQMP_RESET_USB1_HIBERRESET>,
- <&zynqmp_reset ZYNQMP_RESET_USB1_APB>;
- reset-names = "usb_crst", "usb_hibrst", "usb_apbrst";
- ranges;
-
- dwc3@fe200000 {
- compatible = "snps,dwc3";
- reg = <0x0 0xfe200000 0x40000>;
- interrupt-names = "dwc_usb3", "otg", "hiber";
- interrupts = <0 65 4>, <0 69 4>, <0 75 4>;
- phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
- phy-names = "usb3-phy";
- dr_mode = "host";
- dma-coherent;
- };
- };