1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2019 Michal Meloun <mmel@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include <sys/param.h>
33#include <sys/bus.h>
34#include <sys/kernel.h>
35#include <sys/module.h>
36#include <sys/mutex.h>
37#include <sys/rman.h>
38#include <machine/bus.h>
39
40#include <dev/ofw/openfirm.h>
41#include <dev/ofw/ofw_bus.h>
42#include <dev/ofw/ofw_bus_subr.h>
43
44#include <dev/extres/syscon/syscon.h>
45#include <dev/fdt/simple_mfd.h>
46
47static struct ofw_compat_data compat_data[] = {
48	{"marvell,cp110-icu",	1},
49	{NULL,			0}
50};
51
52static int
53mv_cp110_icu_bus_probe(device_t dev)
54{
55
56	if (!ofw_bus_status_okay(dev))
57		return (ENXIO);
58	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
59		return (ENXIO);
60
61	device_set_desc(dev, "Marvell Interrupt Consolidation Unit Bus");
62	return (BUS_PROBE_DEFAULT);
63}
64
65static device_method_t mv_cp110_icu_bus_methods[] = {
66	DEVMETHOD(device_probe, mv_cp110_icu_bus_probe),
67
68	DEVMETHOD_END
69};
70
71DEFINE_CLASS_1(mv_cp110_icu_bus, mv_cp110_icu_bus_driver,
72    mv_cp110_icu_bus_methods, sizeof(struct simple_mfd_softc),
73    simple_mfd_driver);
74
75static devclass_t mv_cp110_icu_bus_devclass;
76EARLY_DRIVER_MODULE(mv_cp110_icu_bus, simplebus, mv_cp110_icu_bus_driver,
77    mv_cp110_icu_bus_devclass, 0, 0, BUS_PASS_INTERRUPT);
78MODULE_VERSION(mv_cp110_icu_bus, 1);
79