xref: /freebsd/sys/arm/ti/am335x/am335x_scm_padconf.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * Copyright (c) 2012 Damjan Marion <dmarion@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #ifndef AM335X_SCM_PADCONF_H
28 #define AM335X_SCM_PADCONF_H
29 
30 #define SLEWCTRL	(0x01 << 6) /* faster(0) or slower(1) slew rate. */
31 #define RXACTIVE	(0x01 << 5) /* Input enable value for the Pad */
32 #define PULLTYPESEL	(0x01 << 4) /* Pad pullup/pulldown type selection */
33 #define PULLUDEN	(0x01 << 3) /* Pullup/pulldown disabled */
34 
35 #define PADCONF_OUTPUT			(PULLUDEN)
36 #define PADCONF_OUTPUT_PULLUP		(PULLTYPESEL)
37 #define PADCONF_OUTPUT_PULLDOWN		(0)
38 #define PADCONF_INPUT			(RXACTIVE | PULLUDEN)
39 #define PADCONF_INPUT_PULLUP		(RXACTIVE | PULLTYPESEL)
40 #define PADCONF_INPUT_PULLDOWN		(RXACTIVE)
41 #define PADCONF_INPUT_PULLUP_SLOW	(PADCONF_INPUT_PULLUP | SLEWCTRL)
42 
43 extern const struct ti_pinmux_device ti_am335x_pinmux_dev;
44 
45 #endif /* AM335X_SCM_PADCONF_H */
46