1 TI DA8xx MUSB 1 TI DA8xx MUSB
2 ~~~~~~~~~~~~~ 2 ~~~~~~~~~~~~~
3 For DA8xx/OMAP-L1x/AM17xx/AM18xx platforms. 3 For DA8xx/OMAP-L1x/AM17xx/AM18xx platforms.
4 4
5 Required properties: 5 Required properties:
6 ~~~~~~~~~~~~~~~~~~~~ 6 ~~~~~~~~~~~~~~~~~~~~
7 - compatible : Should be set to "ti,da830-mus 7 - compatible : Should be set to "ti,da830-musb".
8 8
9 - reg: Offset and length of the USB controlle 9 - reg: Offset and length of the USB controller register set.
10 10
11 - interrupts: The USB interrupt number. 11 - interrupts: The USB interrupt number.
12 12
13 - interrupt-names: Should be set to "mc". 13 - interrupt-names: Should be set to "mc".
14 14
15 - dr_mode: The USB operation mode. Should be 15 - dr_mode: The USB operation mode. Should be one of "host", "peripheral" or "otg".
16 16
17 - phys: Phandle for the PHY device 17 - phys: Phandle for the PHY device
18 18
19 - phy-names: Should be "usb-phy" 19 - phy-names: Should be "usb-phy"
20 20
21 - dmas: specifies the dma channels <<
22 <<
23 - dma-names: specifies the names of the chann <<
24 and "txN" for transmit endpoints. N specifi <<
25 <<
26 Optional properties: 21 Optional properties:
27 ~~~~~~~~~~~~~~~~~~~~ 22 ~~~~~~~~~~~~~~~~~~~~
28 - vbus-supply: Phandle to a regulator providi 23 - vbus-supply: Phandle to a regulator providing the USB bus power.
29 24
30 DMA <<
31 ~~~ <<
32 - compatible: ti,da830-cppi41 <<
33 - reg: offset and length of the following regi <<
34 CPPI DMA Scheduler, Queue Manager <<
35 - reg-names: "controller", "scheduler", "queue <<
36 - #dma-cells: should be set to 2. The first nu <<
37 channel number (0 … 3 for endpoints 1 … <<
38 The second number is 0 for RX and 1 for TX t <<
39 - dma-channels: should be set to 4 representin <<
40 - #dma-channels: deprecated <<
41 <<
42 Example: 25 Example:
43 usb_phy: usb-phy { 26 usb_phy: usb-phy {
44 compatible = "ti,da830-usb-phy 27 compatible = "ti,da830-usb-phy";
45 #phy-cells = <0>; 28 #phy-cells = <0>;
>> 29 status = "okay";
46 }; 30 };
47 usb0: usb@200000 { 31 usb0: usb@200000 {
48 compatible = "ti,da830-musb"; 32 compatible = "ti,da830-musb";
49 reg = <0x00200000 0x1000>; !! 33 reg = <0x00200000 0x10000>;
50 ranges; <<
51 #address-cells = <1>; <<
52 #size-cells = <1>; <<
53 interrupts = <58>; 34 interrupts = <58>;
54 interrupt-names = "mc"; 35 interrupt-names = "mc";
55 36
56 dr_mode = "host"; 37 dr_mode = "host";
57 vbus-supply = <&usb_vbus>; 38 vbus-supply = <&usb_vbus>;
58 phys = <&usb_phy 0>; 39 phys = <&usb_phy 0>;
59 phy-names = "usb-phy"; 40 phy-names = "usb-phy";
60 41
61 dmas = <&cppi41dma 0 0 &cppi41 !! 42 status = "okay";
62 &cppi41dma 2 0 &cppi41 <<
63 &cppi41dma 0 1 &cppi41 <<
64 &cppi41dma 2 1 &cppi41 <<
65 dma-names = <<
66 "rx1", "rx2", "rx3", " <<
67 "tx1", "tx2", "tx3", " <<
68 <<
69 <<
70 cppi41dma: dma-controller@2010 <<
71 compatible = "ti,da830 <<
72 reg = <0x201000 0x100 <<
73 0x202000 0x100 <<
74 0x204000 0x400 <<
75 reg-names = "controlle <<
76 interrupts = <58>; <<
77 #dma-cells = <2>; <<
78 dma-channels = <4>; <<
79 }; <<
80 <<
81 }; 43 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.