| * USB (Universal Serial Bus Controller) |
| |
| Required properties: |
| - compatible : could be "qe_udc" or "fhci-hcd". |
| - mode : the could be "host" or "slave". |
| - reg : Offset and length of the register set for the device |
| - interrupts : <a b> where a is the interrupt number and b is a |
| field that represents an encoding of the sense and level |
| information for the interrupt. This should be encoded based on |
| the information in section 2) depending on the type of interrupt |
| controller you have. |
| - interrupt-parent : the phandle for the interrupt controller that |
| services interrupts for this device. |
| |
| Example(slave): |
| usb@6c0 { |
| compatible = "qe_udc"; |
| reg = <6c0 40>; |
| interrupts = <8b 0>; |
| interrupt-parent = <700>; |
| mode = "slave"; |
| }; |