^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Xilinx SuperSpeed DWC3 USB SoC controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) - compatible: Should contain "xlnx,zynqmp-dwc3"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) - clocks: A list of phandles for the clocks listed in clock-names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) - clock-names: Should contain the following:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) "bus_clk" Master/Core clock, have to be >= 125 MHz for SS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) operation and >= 60MHz for HS operation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) "ref_clk" Clock source to core during PHY power down
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) Required child node:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) A child node must exist to represent the core DWC3 IP block. The name of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) the node is not important. The content of the node is defined in dwc3.txt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) Example device node:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) usb@0 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #address-cells = <0x2>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #size-cells = <0x1>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) compatible = "xlnx,zynqmp-dwc3";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) clock-names = "bus_clk" "ref_clk";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) clocks = <&clk125>, <&clk125>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) ranges;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) dwc3@fe200000 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) compatible = "snps,dwc3";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) reg = <0x0 0xfe200000 0x40000>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) interrupts = <0x0 0x41 0x4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) dr_mode = "host";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) };