octeon-usb.txt

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    1 OCTEON/OCTEON+ USB BLOCK
    2 
    3 1) Main node
    4 
    5    Required properties:
    6 
    7    - compatible: must be "cavium,octeon-5750-usbn"
    8 
    9    - reg: specifies the physical base address of the USBN block and
   10      the length of the memory mapped region.
   11 
   12    - #address-cells: specifies the number of cells needed to encode an
   13      address. The value must be 2.
   14 
   15    - #size-cells: specifies the number of cells used to represent the size
   16      of an address. The value must be 2.
   17 
   18    - ranges: specifies the translation between child address space and parent
   19      address space.
   20 
   21    - clock-frequency: speed of the USB reference clock. Allowed values are
   22      12000000, 24000000 or 48000000.
   23 
   24    - cavium,refclk-type: type of the USB reference clock. Allowed values are
   25      "crystal" or "external".
   26 
   27    - refclk-frequency: deprecated, use "clock-frequency".
   28 
   29    - refclk-type: deprecated, use "cavium,refclk-type".
   30 
   31 2) Child node
   32 
   33    The main node must have one child node which describes the built-in
   34    USB controller.
   35 
   36    Required properties:
   37 
   38    - compatible: must be "cavium,octeon-5750-usbc"
   39 
   40    - reg: specifies the physical base address of the USBC block and
   41      the length of the memory mapped region.
   42 
   43    - interrupts: specifies the interrupt number for the USB controller.
   44 
   45 3) Example:
   46 
   47         usbn: usbn@1180068000000 {
   48                 compatible = "cavium,octeon-5750-usbn";
   49                 reg = <0x11800 0x68000000 0x0 0x1000>;
   50                 ranges; /* Direct mapping */
   51                 #address-cells = <2>;
   52                 #size-cells = <2>;
   53                 clock-frequency = <12000000>;
   54                 cavium,refclk-type = "crystal";
   55 
   56                 usbc@16f0010000000 {
   57                         compatible = "cavium,octeon-5750-usbc";
   58                         reg = <0x16f00 0x10000000 0x0 0x80000>;
   59                         interrupts = <0 56>;
   60                 };
   61         };
   62

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/usb/octeon-usb.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/usb/octeon-usb.txt