LXR uboot/arch/arm/include/asm/arch-am33xx/i2c.h

   1/*
   2 * (C) Copyright 2012
   3 * Texas Instruments, <www.ti.com>
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23#ifndef _I2C_H_
  24#define _I2C_H_
  25
  26#define  I2C_BASE1              0x44E0B000
  27#define  I2C_BASE2              0x4802A000
  28#define  I2C_BASE3              0x4819C000
  29#define  I2C_BUS_MAX            3
  30
  31#define I2C_DEFAULT_BASE                I2C_BASE1
  32
  33struct i2c {
  34        unsigned short revnb_lo;        /* 0x00 */
  35        unsigned short res1;
  36        unsigned short revnb_hi;        /* 0x04 */
  37        unsigned short res2[13];
  38        unsigned short sysc;            /* 0x20 */
  39        unsigned short res3;
  40        unsigned short irqstatus_raw;   /* 0x24 */
  41        unsigned short res4;
  42        unsigned short stat;            /* 0x28 */
  43        unsigned short res5;
  44        unsigned short ie;              /* 0x2C */
  45        unsigned short res6;
  46        unsigned short irqenable_clr;   /* 0x30 */
  47        unsigned short res7;
  48        unsigned short iv;              /* 0x34 */
  49        unsigned short res8[45];
  50        unsigned short syss;            /* 0x90 */
  51        unsigned short res9;
  52        unsigned short buf;             /* 0x94 */
  53        unsigned short res10;
  54        unsigned short cnt;             /* 0x98 */
  55        unsigned short res11;
  56        unsigned short data;            /* 0x9C */
  57        unsigned short res13;
  58        unsigned short res14;           /* 0xA0 */
  59        unsigned short res15;
  60        unsigned short con;             /* 0xA4 */
  61        unsigned short res16;
  62        unsigned short oa;              /* 0xA8 */
  63        unsigned short res17;
  64        unsigned short sa;              /* 0xAC */
  65        unsigned short res18;
  66        unsigned short psc;             /* 0xB0 */
  67        unsigned short res19;
  68        unsigned short scll;            /* 0xB4 */
  69        unsigned short res20;
  70        unsigned short sclh;            /* 0xB8 */
  71        unsigned short res21;
  72        unsigned short systest;         /* 0xBC */
  73        unsigned short res22;
  74        unsigned short bufstat;         /* 0xC0 */
  75        unsigned short res23;
  76};
  77
  78#define I2C_IP_CLK                      48000000
  79#define I2C_INTERNAL_SAMLPING_CLK       12000000
  80
  81#endif /* _I2C_H_ */
  82