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Sergei Shtylyov371b53e02009-09-25 22:24:57 +04001/*
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
Sergei Shtylyove5d3d252009-09-25 23:14:02 +040037struct da8xx_ohci_root_hub;
38
39typedef 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 */
43struct 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
Sergei Shtylyov355fb4e2009-10-30 23:46:14 +040057void davinci_setup_usb(unsigned mA, unsigned potpgt_ms);
58
Sergei Shtylyov371b53e02009-09-25 22:24:57 +040059#endif /* ifndef __ASM_ARCH_USB_H */