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 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 57 void davinci_setup_usb(unsigned mA, unsigned potpgt_ms); 58 59 #endif /* ifndef __ASM_ARCH_USB_H */ 60