xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mips/cavium/uctl.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun* UCTL USB controller glue
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunProperties:
4*4882a593Smuzhiyun- compatible: "cavium,octeon-6335-uctl"
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun  Compatibility with all cn6XXX SOCs.
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun- reg: The base address of the UCTL register bank.
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun- #address-cells: Must be <2>.
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun- #size-cells: Must be <2>.
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun- ranges: Empty to signify direct mapping of the children.
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun- refclk-frequency: A single cell containing the reference clock
17*4882a593Smuzhiyun  frequency in Hz.
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun- refclk-type: A string describing the reference clock connection
20*4882a593Smuzhiyun  either "crystal" or "external".
21*4882a593Smuzhiyun
22*4882a593SmuzhiyunExample:
23*4882a593Smuzhiyun	uctl@118006f000000 {
24*4882a593Smuzhiyun		compatible = "cavium,octeon-6335-uctl";
25*4882a593Smuzhiyun		reg = <0x11800 0x6f000000 0x0 0x100>;
26*4882a593Smuzhiyun		ranges; /* Direct mapping */
27*4882a593Smuzhiyun		#address-cells = <2>;
28*4882a593Smuzhiyun		#size-cells = <2>;
29*4882a593Smuzhiyun		/* 12MHz, 24MHz and 48MHz allowed */
30*4882a593Smuzhiyun		refclk-frequency = <24000000>;
31*4882a593Smuzhiyun		/* Either "crystal" or "external" */
32*4882a593Smuzhiyun		refclk-type = "crystal";
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun		ehci@16f0000000000 {
35*4882a593Smuzhiyun			compatible = "cavium,octeon-6335-ehci","usb-ehci";
36*4882a593Smuzhiyun			reg = <0x16f00 0x00000000 0x0 0x100>;
37*4882a593Smuzhiyun			interrupts = <0 56>;
38*4882a593Smuzhiyun			big-endian-regs;
39*4882a593Smuzhiyun		};
40*4882a593Smuzhiyun		ohci@16f0000000400 {
41*4882a593Smuzhiyun			compatible = "cavium,octeon-6335-ohci","usb-ohci";
42*4882a593Smuzhiyun			reg = <0x16f00 0x00000400 0x0 0x100>;
43*4882a593Smuzhiyun			interrupts = <0 56>;
44*4882a593Smuzhiyun			big-endian-regs;
45*4882a593Smuzhiyun		};
46*4882a593Smuzhiyun	};
47