kernel/Documentation/devicetree/bindings/mips/cavium/uctl.txt

   1 * UCTL USB controller glue
   2
   3 Properties:
   4 - compatible: "cavium,octeon-6335-uctl"
   5
   6   Compatibility with all cn6XXX SOCs.
   7
   8 - reg: The base address of the UCTL register bank.
   9
  10 - #address-cells: Must be <2>.
  11
  12 - #size-cells: Must be <2>.
  13
  14 - ranges: Empty to signify direct mapping of the children.
  15
  16 - refclk-frequency: A single cell containing the reference clock
  17   frequency in Hz.
  18
  19 - refclk-type: A string describing the reference clock connection
  20   either "crystal" or "external".
  21
  22 Example:
  23         uctl@118006f000000 {
  24                 compatible = "cavium,octeon-6335-uctl";
  25                 reg = <0x11800 0x6f000000 0x0 0x100>;
  26                 ranges; /* Direct mapping */
  27                 #address-cells = <2>;
  28                 #size-cells = <2>;
  29                 /* 12MHz, 24MHz and 48MHz allowed */
  30                 refclk-frequency = <24000000>;
  31                 /* Either "crystal" or "external" */
  32                 refclk-type = "crystal";
  33
  34                 ehci@16f0000000000 {
  35                         compatible = "cavium,octeon-6335-ehci","usb-ehci";
  36                         reg = <0x16f00 0x00000000 0x0 0x100>;
  37                         interrupts = <0 56>;
  38                         big-endian-regs;
  39                 };
  40                 ohci@16f0000000400 {
  41                         compatible = "cavium,octeon-6335-ohci","usb-ohci";
  42                         reg = <0x16f00 0x00000400 0x0 0x100>;
  43                         interrupts = <0 56>;
  44                         big-endian-regs;
  45                 };
  46         };