1 #-
2 # Copyright (c) 2016 Stanislav Galabov
3 # Copyright (c) 2014 Ian Lepore
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 #
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 # SUCH DAMAGE.
26 #
27 # $FreeBSD: releng/12.0/sys/mips/mediatek/fdt_reset_if.m 297666 2016-04-07 11:02:49Z sgalabov $
28 #
29
30 #include <sys/types.h>
31
32 #
33 # This is the interface that fdt_reset drivers provide to other drivers.
34 # In this context, reset refers to a reset signal provided to some other
35 # hardware component within the system. They are most often found within
36 # embedded processors that have on-chip IO controllers.
37 #
38
39 INTERFACE fdt_reset;
40
41 #
42 # Enable/assert/apply the specified reset.
43 # Returns 0 on success or a standard errno value.
44 #
45 METHOD int assert {
46 device_t provider;
47 int index;
48 };
49
50 #
51 # Disable/de-assert/remove the specified reset.
52 # Returns 0 on success or a standard errno value.
53 #
54 METHOD int deassert {
55 device_t provider;
56 int index;
57 };
58
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