drivers/usb/musb/am35x.h

   1 /*
   2  * am35x.h - TI's AM35x platform specific usb wrapper definitions.
   3  *
   4  * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
   5  *
   6  * Based on drivers/usb/musb/da8xx.h
   7  *
   8  * Copyright (c) 2010 Texas Instruments Incorporated
   9  *
  10  * SPDX-License-Identifier:     GPL-2.0+
  11  */
  12
  13 #ifndef __AM35X_USB_H__
  14 #define __AM35X_USB_H__
  15
  16 #include <asm/arch/am35x_def.h>
  17 #include "musb_core.h"
  18
  19 /* Base address of musb wrapper */
  20 #define AM35X_USB_OTG_BASE      0x5C040000
  21
  22 /* Base address of musb core */
  23 #define AM35X_USB_OTG_CORE_BASE (AM35X_USB_OTG_BASE + 0x400)
  24
  25 /* Timeout for AM35x usb module */
  26 #define AM35X_USB_OTG_TIMEOUT   0x3FFFFFF
  27
  28 /*
  29  * AM35x platform USB wrapper register overlay.
  30  */
  31 struct am35x_usb_regs {
  32         u32     revision;
  33         u32     control;
  34         u32     status;
  35         u32     emulation;
  36         u32     reserved0[1];
  37         u32     autoreq;
  38         u32     srpfixtime;
  39         u32     ep_intsrc;
  40         u32     ep_intsrcset;
  41         u32     ep_intsrcclr;
  42         u32     ep_intmsk;
  43         u32     ep_intmskset;
  44         u32     ep_intmskclr;
  45         u32     ep_intsrcmsked;
  46         u32     reserved1[1];
  47         u32     core_intsrc;
  48         u32     core_intsrcset;
  49         u32     core_intsrcclr;
  50         u32     core_intmsk;
  51         u32     core_intmskset;
  52         u32     core_intmskclr;
  53         u32     core_intsrcmsked;
  54         u32     reserved2[1];
  55         u32     eoi;
  56         u32     mop_sop_en;
  57         u32     reserved3[2];
  58         u32     txmode;
  59         u32     rxmode;
  60         u32     epcount_mode;
  61 };
  62
  63 #define am35x_usb_regs ((struct am35x_usb_regs *)AM35X_USB_OTG_BASE)
  64
  65 /* USB 2.0 PHY Control */
  66 #define DEVCONF2_PHY_GPIOMODE   (1 << 23)
  67 #define DEVCONF2_OTGMODE        (3 << 14)
  68 #define DEVCONF2_SESENDEN       (1 << 13)       /* Vsess_end comparator */
  69 #define DEVCONF2_VBDTCTEN       (1 << 12)       /* Vbus comparator */
  70 #define DEVCONF2_REFFREQ_24MHZ  (2 << 8)
  71 #define DEVCONF2_REFFREQ_26MHZ  (7 << 8)
  72 #define DEVCONF2_REFFREQ_13MHZ  (6 << 8)
  73 #define DEVCONF2_REFFREQ        (0xf << 8)
  74 #define DEVCONF2_PHYCKGD        (1 << 7)
  75 #define DEVCONF2_VBUSSENSE      (1 << 6)
  76 #define DEVCONF2_PHY_PLLON      (1 << 5)        /* override PLL suspend */
  77 #define DEVCONF2_RESET          (1 << 4)
  78 #define DEVCONF2_PHYPWRDN       (1 << 3)
  79 #define DEVCONF2_OTGPWRDN       (1 << 2)
  80 #define DEVCONF2_DATPOL         (1 << 1)
  81
  82 #endif  /* __AM35X_USB_H__ */