1/*	$OpenBSD: exdwusb.c,v 1.6 2023/09/22 01:10:43 jsg Exp $	*/
2/*
3 * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include <sys/param.h>
19#include <sys/device.h>
20
21#include <machine/fdt.h>
22#include <machine/simplebusvar.h>
23
24#include <dev/ofw/openfirm.h>
25#include <dev/ofw/ofw_clock.h>
26#include <dev/ofw/fdt.h>
27
28struct exdwusb_softc {
29	struct simplebus_softc	sc_sbus;
30};
31
32int	exdwusb_match(struct device *, void *, void *);
33void	exdwusb_attach(struct device *, struct device *, void *);
34
35const struct cfattach exdwusb_ca = {
36	sizeof(struct exdwusb_softc), exdwusb_match, exdwusb_attach
37};
38
39struct cfdriver exdwusb_cd = {
40	NULL, "exdwusb", DV_DULL
41};
42
43int
44exdwusb_match(struct device *parent, void *match, void *aux)
45{
46	struct fdt_attach_args *faa = aux;
47
48	return OF_is_compatible(faa->fa_node, "samsung,exynos5250-dwusb3");
49}
50
51void
52exdwusb_attach(struct device *parent, struct device *self, void *aux)
53{
54	struct exdwusb_softc *sc = (struct exdwusb_softc *)self;
55	struct fdt_attach_args *faa = aux;
56
57	clock_enable_all(faa->fa_node);
58
59	simplebus_attach(parent, &sc->sc_sbus.sc_dev, faa);
60}
61