xref: /openbmc/u-boot/include/pca9564.h (revision cdb74977)
1 /*
2  * File:         include/pca9564.h
3  * Author:
4  *
5  * Created:      2009-06-23
6  * Description:  PCA9564 i2c bridge driver
7  *
8  * Modified:
9  *               Copyright 2009 CJSC "NII STT", http://www.niistt.ru/
10  *
11  * Bugs:
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License as published by
15  * the Free Software Foundation; either version 2 of the License, or
16  * (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, see the file COPYING, or write
25  * to the Free Software Foundation, Inc.,
26  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
27  */
28 
29 #ifndef _PCA9564_H
30 #define _PCA9564_H
31 
32 /* Clock speeds for the bus */
33 #define PCA_CON_330kHz      0x00
34 #define PCA_CON_288kHz      0x01
35 #define PCA_CON_217kHz      0x02
36 #define PCA_CON_146kHz      0x03
37 #define PCA_CON_88kHz       0x04
38 #define PCA_CON_59kHz       0x05
39 #define PCA_CON_44kHz       0x06
40 #define PCA_CON_36kHz       0x07
41 
42 #define PCA_CON_AA          0x80 /* Assert Acknowledge */
43 #define PCA_CON_ENSIO       0x40 /* Enable */
44 #define PCA_CON_STA         0x20 /* Start */
45 #define PCA_CON_STO         0x10 /* Stop */
46 #define PCA_CON_SI          0x08 /* Serial Interrupt */
47 #define PCA_CON_CR          0x07 /* Clock Rate (MASK) */
48 
49 #endif
50