71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/*
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* This is used to for host and peripheral modes of the driver for
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* Inventra (Multidrop) Highspeed Dual-Role Controllers: (M)HDRC.
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*
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* Board initialization should put one of these into dev->platform_data,
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* probably on some platform_device named "musb_hdrc". It encapsulates
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* key configuration differences between boards.
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*/
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/* The USB role is defined by the connector used on the board, so long as
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* standards are being followed. (Developer boards sometimes won't.)
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*/
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enum musb_mode {
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MUSB_UNDEFINED = 0,
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MUSB_HOST, /* A or Mini-A connector */
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MUSB_PERIPHERAL, /* B or Mini-B connector */
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MUSB_OTG /* Mini-AB connector */
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};
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struct clk;
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struct musb_hdrc_platform_data {
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/* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */
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u8 mode;
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/* for clk_get() */
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const char *clock;
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/* (HOST or OTG) switch VBUS on/off */
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int (*set_vbus)(struct device *dev, int is_on);
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/* (HOST or OTG) mA/2 power supplied on (default = 8mA) */
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u8 power;
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/* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */
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u8 min_power;
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/* (HOST or OTG) msec/2 after VBUS on till power good */
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u8 potpgt;
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/* TBD: chip defaults should probably go someplace else,
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* e.g. number of tx/rx endpoints, etc
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*/
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unsigned multipoint:1;
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/* Power the device on or off */
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int (*set_power)(int state);
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/* Turn device clock on or off */
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int (*set_clock)(struct clk *clock, int is_on);
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};
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/* TUSB 6010 support */
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#define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */
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#define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */
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#define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */
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#ifdef CONFIG_ARCH_OMAP2
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extern int __init tusb6010_setup_interface(
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struct musb_hdrc_platform_data *data,
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unsigned ps_refclk, unsigned waitpin,
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unsigned async_cs, unsigned sync_cs,
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unsigned irq, unsigned dmachan);
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extern int tusb6010_platform_retime(unsigned is_refclk);
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#endif /* OMAP2 */
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