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 
33 struct 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