diff options
Diffstat (limited to 'include/linux/usb')
-rw-r--r-- | include/linux/usb/musb.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h new file mode 100644 index 000000000000..d325a0d5bf4f --- /dev/null +++ b/include/linux/usb/musb.h | |||
@@ -0,0 +1,70 @@ | |||
1 | /* | ||
2 | * This is used to for host and peripheral modes of the driver for | ||
3 | * Inventra (Multidrop) Highspeed Dual-Role Controllers: (M)HDRC. | ||
4 | * | ||
5 | * Board initialization should put one of these into dev->platform_data, | ||
6 | * probably on some platform_device named "musb_hdrc". It encapsulates | ||
7 | * key configuration differences between boards. | ||
8 | */ | ||
9 | |||
10 | /* The USB role is defined by the connector used on the board, so long as | ||
11 | * standards are being followed. (Developer boards sometimes won't.) | ||
12 | */ | ||
13 | enum musb_mode { | ||
14 | MUSB_UNDEFINED = 0, | ||
15 | MUSB_HOST, /* A or Mini-A connector */ | ||
16 | MUSB_PERIPHERAL, /* B or Mini-B connector */ | ||
17 | MUSB_OTG /* Mini-AB connector */ | ||
18 | }; | ||
19 | |||
20 | struct clk; | ||
21 | |||
22 | struct musb_hdrc_platform_data { | ||
23 | /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ | ||
24 | u8 mode; | ||
25 | |||
26 | /* for clk_get() */ | ||
27 | const char *clock; | ||
28 | |||
29 | /* (HOST or OTG) switch VBUS on/off */ | ||
30 | int (*set_vbus)(struct device *dev, int is_on); | ||
31 | |||
32 | /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */ | ||
33 | u8 power; | ||
34 | |||
35 | /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ | ||
36 | u8 min_power; | ||
37 | |||
38 | /* (HOST or OTG) msec/2 after VBUS on till power good */ | ||
39 | u8 potpgt; | ||
40 | |||
41 | /* TBD: chip defaults should probably go someplace else, | ||
42 | * e.g. number of tx/rx endpoints, etc | ||
43 | */ | ||
44 | unsigned multipoint:1; | ||
45 | |||
46 | /* Power the device on or off */ | ||
47 | int (*set_power)(int state); | ||
48 | |||
49 | /* Turn device clock on or off */ | ||
50 | int (*set_clock)(struct clk *clock, int is_on); | ||
51 | }; | ||
52 | |||
53 | |||
54 | /* TUSB 6010 support */ | ||
55 | |||
56 | #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ | ||
57 | #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ | ||
58 | #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ | ||
59 | |||
60 | #ifdef CONFIG_ARCH_OMAP2 | ||
61 | |||
62 | extern int __init tusb6010_setup_interface( | ||
63 | struct musb_hdrc_platform_data *data, | ||
64 | unsigned ps_refclk, unsigned waitpin, | ||
65 | unsigned async_cs, unsigned sync_cs, | ||
66 | unsigned irq, unsigned dmachan); | ||
67 | |||
68 | extern int tusb6010_platform_retime(unsigned is_refclk); | ||
69 | |||
70 | #endif /* OMAP2 */ | ||