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371b53e0 SS |
1 | /* |
2 | * USB related definitions | |
3 | * | |
4 | * Copyright (C) 2009 MontaVista Software, Inc. <source@mvista.com> | |
5 | * | |
6 | * This file is licensed under the terms of the GNU General Public License | |
7 | * version 2. This program is licensed "as is" without any warranty of any | |
8 | * kind, whether express or implied. | |
9 | */ | |
10 | ||
11 | #ifndef __ASM_ARCH_USB_H | |
12 | #define __ASM_ARCH_USB_H | |
13 | ||
14 | /* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */ | |
15 | #define CFGCHIP2_PHYCLKGD (1 << 17) | |
16 | #define CFGCHIP2_VBUSSENSE (1 << 16) | |
17 | #define CFGCHIP2_RESET (1 << 15) | |
18 | #define CFGCHIP2_OTGMODE (3 << 13) | |
19 | #define CFGCHIP2_NO_OVERRIDE (0 << 13) | |
20 | #define CFGCHIP2_FORCE_HOST (1 << 13) | |
21 | #define CFGCHIP2_FORCE_DEVICE (2 << 13) | |
22 | #define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13) | |
23 | #define CFGCHIP2_USB1PHYCLKMUX (1 << 12) | |
24 | #define CFGCHIP2_USB2PHYCLKMUX (1 << 11) | |
25 | #define CFGCHIP2_PHYPWRDN (1 << 10) | |
26 | #define CFGCHIP2_OTGPWRDN (1 << 9) | |
27 | #define CFGCHIP2_DATPOL (1 << 8) | |
28 | #define CFGCHIP2_USB1SUSPENDM (1 << 7) | |
29 | #define CFGCHIP2_PHY_PLLON (1 << 6) /* override PLL suspend */ | |
30 | #define CFGCHIP2_SESENDEN (1 << 5) /* Vsess_end comparator */ | |
31 | #define CFGCHIP2_VBDTCTEN (1 << 4) /* Vbus comparator */ | |
32 | #define CFGCHIP2_REFFREQ (0xf << 0) | |
33 | #define CFGCHIP2_REFFREQ_12MHZ (1 << 0) | |
34 | #define CFGCHIP2_REFFREQ_24MHZ (2 << 0) | |
35 | #define CFGCHIP2_REFFREQ_48MHZ (3 << 0) | |
36 | ||
e5d3d252 SS |
37 | struct da8xx_ohci_root_hub; |
38 | ||
39 | typedef void (*da8xx_ocic_handler_t)(struct da8xx_ohci_root_hub *hub, | |
40 | unsigned port); | |
41 | ||
42 | /* Passed as the platform data to the OHCI driver */ | |
43 | struct da8xx_ohci_root_hub { | |
44 | /* Switch the port power on/off */ | |
45 | int (*set_power)(unsigned port, int on); | |
46 | /* Read the port power status */ | |
47 | int (*get_power)(unsigned port); | |
48 | /* Read the port over-current indicator */ | |
49 | int (*get_oci)(unsigned port); | |
50 | /* Over-current indicator change notification (pass NULL to disable) */ | |
51 | int (*ocic_notify)(da8xx_ocic_handler_t handler); | |
52 | ||
53 | /* Time from power on to power good (in 2 ms units) */ | |
54 | u8 potpgt; | |
55 | }; | |
56 | ||
355fb4e3 SS |
57 | void davinci_setup_usb(unsigned mA, unsigned potpgt_ms); |
58 | ||
371b53e0 | 59 | #endif /* ifndef __ASM_ARCH_USB_H */ |