xref: /freebsd/sys/dev/fdt/fdt_pinctrl_if.m (revision 42249ef2) 
1#-
2# Copyright (c) 2014 Ian Lepore
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# $FreeBSD$
27#
28
29#include <sys/types.h>
30#include <sys/bus.h>
31#include <dev/ofw/openfirm.h>
32
33#
34# This is the interface that fdt_pinctrl drivers provide to other drivers.
35#
36
37INTERFACE fdt_pinctrl;
38
39# Needed for timestamping device probe/attach calls
40HEADER {
41	#include <sys/tslog.h>
42}
43
44#
45# Set pins to the specified configuration.  The cfgxref arg is an xref phandle
46# to a descendent node (child, grandchild, ...) of the pinctrl device node.
47# Returns 0 on success or a standard errno value.
48#
49PROLOG {
50	TSENTER2(device_get_name(pinctrl));
51}
52EPILOG {
53	TSEXIT2(device_get_name(pinctrl));
54}
55METHOD int configure {
56	device_t	pinctrl;
57	phandle_t	cfgxref;
58};
59
60