| Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame^] | 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 */ |