xref: /freebsd/sys/contrib/device-tree/Bindings/mips/cavium/uctl.txt (revision fe6060f10f634930ff71b7c50291ddc610da2475)
1* UCTL USB controller glue
2
3Properties:
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
22Example:
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	};
47