ti_scm.h revision 331722 
1/*
2 * Copyright (c) 2010
3 *	Ben Gray <ben.r.gray@gmail.com>.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by Ben Gray.
17 * 4. The name of the company nor the name of the author may be used to
18 *    endorse or promote products derived from this software without specific
19 *    prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY BEN GRAY ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL BEN GRAY BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
30 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 * $FreeBSD: stable/11/sys/arm/ti/ti_scm.h 331722 2018-03-29 02:50:57Z eadler $
33 */
34
35
36/**
37 *	Functions to configure the PIN multiplexing on the chip.
38 *
39 *	This is different from the GPIO module in that it is used to configure the
40 *	pins between modules not just GPIO input output.
41 *
42 */
43#ifndef _TI_SCM_H_
44#define _TI_SCM_H_
45
46struct ti_scm_softc {
47	device_t		sc_dev;
48	struct resource *	sc_res[4];
49	bus_space_tag_t		sc_bst;
50	bus_space_handle_t	sc_bsh;
51};
52
53int ti_scm_reg_read_4(uint32_t reg, uint32_t *val);
54int ti_scm_reg_write_4(uint32_t reg, uint32_t val);
55
56#endif /* _TI_SCM_H_ */
57