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

   1 /*
   2  * (C) Copyright 2012
   3  * Texas Instruments, <www.ti.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7 #ifndef _I2C_AM33XX_H_
   8 #define _I2C_AM33XX_H_
   9
  10 #define  I2C_BASE1              0x44E0B000
  11 #define  I2C_BASE2              0x4802A000
  12 #define  I2C_BASE3              0x4819C000
  13 #define  I2C_BUS_MAX            3
  14
  15 #define I2C_DEFAULT_BASE                I2C_BASE1
  16
  17 struct i2c {
  18         unsigned short revnb_lo;        /* 0x00 */
  19         unsigned short res1;
  20         unsigned short revnb_hi;        /* 0x04 */
  21         unsigned short res2[5];
  22         unsigned short sysc;            /* 0x10 */
  23         unsigned short res3[9];
  24         unsigned short irqstatus_raw;   /* 0x24 */
  25         unsigned short res4;
  26         unsigned short stat;            /* 0x28 */
  27         unsigned short res5;
  28         unsigned short ie;              /* 0x2C */
  29         unsigned short res6;
  30         unsigned short irqenable_clr;   /* 0x30 */
  31         unsigned short res7;
  32         unsigned short iv;              /* 0x34 */
  33         unsigned short res8[45];
  34         unsigned short syss;            /* 0x90 */
  35         unsigned short res9;
  36         unsigned short buf;             /* 0x94 */
  37         unsigned short res10;
  38         unsigned short cnt;             /* 0x98 */
  39         unsigned short res11;
  40         unsigned short data;            /* 0x9C */
  41         unsigned short res13;
  42         unsigned short res14;           /* 0xA0 */
  43         unsigned short res15;
  44         unsigned short con;             /* 0xA4 */
  45         unsigned short res16;
  46         unsigned short oa;              /* 0xA8 */
  47         unsigned short res17;
  48         unsigned short sa;              /* 0xAC */
  49         unsigned short res18;
  50         unsigned short psc;             /* 0xB0 */
  51         unsigned short res19;
  52         unsigned short scll;            /* 0xB4 */
  53         unsigned short res20;
  54         unsigned short sclh;            /* 0xB8 */
  55         unsigned short res21;
  56         unsigned short systest;         /* 0xBC */
  57         unsigned short res22;
  58         unsigned short bufstat;         /* 0xC0 */
  59         unsigned short res23;
  60 };
  61
  62 #define I2C_IP_CLK                      48000000
  63 #define I2C_INTERNAL_SAMPLING_CLK       12000000
  64
  65 #endif /* _I2C_AM33XX_H_ */