xref: /netbsd/sys/arch/arm/imx/imxkppreg.h (revision 6550d01e)
1 /*	$NetBSD: imxkppreg.h,v 1.2 2010/11/30 13:05:27 bsh Exp $	*/
2 
3 /*
4  * Copyright (c) 2010  Genetec Corporation.  All rights reserved.
5  * Written by Hiroyuki Bessho for Genetec Corporation.
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 GENETEC CORPORATION ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /*
30  * Register definitions for Keypad Port (KPP)
31  */
32 
33 #ifndef _ARM_IMX_IMXKPPREG_H
34 #define	_ARM_IMX_IMXKPPREG_H
35 
36 /* Registers are byte- or halfword-addressable */
37 
38 #define	KPP_KPCR	0x0000	/* control register */
39 #define	 KPCR_KCO	0xff00	/* Column strobe */
40 #define	 KPCR_KRE	0x00ff	/* Row Enable */
41 #define	KPP_KPSR	0x0002	/* status register */
42 #define	 KPSR_KRIE	__BIT(9)
43 #define	 KPSR_KDIE	__BIT(8)
44 #define	 KPSR_KRSS	__BIT(3)
45 #define	 KPSR_KDSC	__BIT(2)
46 #define	 KPSR_KPKR	__BIT(1)
47 #define	 KPSR_KPKD	__BIT(0)
48 
49 #define	KPP_KDDR	0x0004	/* data direction register */
50 
51 #define	KPP_KPDR	0x0006	/* data register */
52 
53 #define	KPP_SIZE	0x0008
54 
55 #endif	/* _ARM_IMX_IMXKPPREG_H */
56