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# $FreeBSD$
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
39INTERFACE fdt_reset;
40
41#
42# Enable/assert/apply the specified reset.
43# Returns 0 on success or a standard errno value.
44#
45METHOD 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#
54METHOD int deassert {
55	device_t	provider;
56	int		index;
57};
58
59