xref: /freebsd/sys/contrib/device-tree/Bindings/usb/ux500-usb.txt (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036)
1Ux500 MUSB
2
3Required properties:
4 - compatible : Should be "stericsson,db8500-musb"
5 - reg        : Offset and length of registers
6 - interrupts : Interrupt; mode, number and trigger
7 - dr_mode    : Dual-role; either host mode "host", peripheral mode "peripheral"
8                or both "otg"
9
10Optional properties:
11 - dmas       : A list of dma channels;
12                dma-controller, event-line, fixed-channel, flags
13 - dma-names  : An ordered list of channel names affiliated to the above
14
15Example:
16
17usb_per5@a03e0000 {
18	compatible = "stericsson,db8500-musb";
19	reg = <0xa03e0000 0x10000>;
20	interrupts = <0 23 0x4>;
21	interrupt-names = "mc";
22
23	dr_mode = "otg";
24
25	dmas = <&dma 38 0 0x2>, /* Logical - DevToMem */
26	       <&dma 38 0 0x0>, /* Logical - MemToDev */
27	       <&dma 37 0 0x2>, /* Logical - DevToMem */
28	       <&dma 37 0 0x0>, /* Logical - MemToDev */
29	       <&dma 36 0 0x2>, /* Logical - DevToMem */
30	       <&dma 36 0 0x0>, /* Logical - MemToDev */
31	       <&dma 19 0 0x2>, /* Logical - DevToMem */
32	       <&dma 19 0 0x0>, /* Logical - MemToDev */
33	       <&dma 18 0 0x2>, /* Logical - DevToMem */
34	       <&dma 18 0 0x0>, /* Logical - MemToDev */
35	       <&dma 17 0 0x2>, /* Logical - DevToMem */
36	       <&dma 17 0 0x0>, /* Logical - MemToDev */
37	       <&dma 16 0 0x2>, /* Logical - DevToMem */
38	       <&dma 16 0 0x0>, /* Logical - MemToDev */
39	       <&dma 39 0 0x2>, /* Logical - DevToMem */
40	       <&dma 39 0 0x0>; /* Logical - MemToDev */
41
42	dma-names = "iep_1_9",  "oep_1_9",
43		    "iep_2_10", "oep_2_10",
44		    "iep_3_11", "oep_3_11",
45		    "iep_4_12", "oep_4_12",
46		    "iep_5_13", "oep_5_13",
47		    "iep_6_14", "oep_6_14",
48		    "iep_7_15", "oep_7_15",
49		    "iep_8",    "oep_8";
50};
51