xref: /netbsd/sys/dev/ic/pca9564reg.h (revision 6550d01e)
1 /*	$NetBSD: pca9564reg.h,v 1.1 2010/04/09 10:09:50 nonaka Exp $	*/
2 
3 /*
4  * Copyright (c) 2010 NONAKA Kimihiro <nonaka@netbsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef	_DEV_IC_PCA9564REG_H_
29 #define	_DEV_IC_PCA9564REG_H_
30 
31 #define	PCA9564_I2CSTA		0x00	/* R: Status */
32 #define	PCA9564_I2CCTO		0x00	/* W: Time-out */
33 #define	PCA9564_I2CDAT		0x01	/* R/W: Data */
34 #define	PCA9564_I2CADR		0x02	/* R/W: Own address */
35 #define	PCA9564_I2CCON		0x03	/* R/W: Control */
36 
37 /* Control */
38 #define	I2CCON_CR0		(1 << 0)	/* Clock Rate Bit0 */
39 #define	I2CCON_CR1		(1 << 1)	/* Clock Rate Bit1 */
40 #define	I2CCON_CR2		(1 << 2)	/* Clock Rate Bit2 */
41 #define	 I2CCON_CR_330KHZ	(0x0)
42 #define	 I2CCON_CR_288KHZ	(0x1)
43 #define	 I2CCON_CR_217KHZ	(0x2)
44 #define	 I2CCON_CR_146KHZ	(0x3)
45 #define	 I2CCON_CR_88KHZ	(0x4)
46 #define	 I2CCON_CR_59KHZ	(0x5)
47 #define	 I2CCON_CR_44KHZ	(0x6)
48 #define	 I2CCON_CR_36KHZ	(0x7)
49 #define	 I2CCON_CR_MASK		(0x7)
50 #define	I2CCON_SI		(1 << 3)	/* Serial Interrupt Flag */
51 #define	I2CCON_STO		(1 << 4)	/* Stop Flag */
52 #define	I2CCON_STA		(1 << 5)	/* Start Flag */
53 #define	I2CCON_ENSIO		(1 << 6)	/* SIO Enable Bit */
54 #define	I2CCON_AA		(1 << 7)	/* Assert Acknowledge Flag */
55 
56 #endif	/* _DEV_IC_PCA9564REG_H_ */
57