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
28 struct exdwusb_softc {
29 struct simplebus_softc sc_sbus;
30 };
31
32 int exdwusb_match(struct device *, void *, void *);
33 void exdwusb_attach(struct device *, struct device *, void *);
34
35 const struct cfattach exdwusb_ca = {
36 sizeof(struct exdwusb_softc), exdwusb_match, exdwusb_attach
37 };
38
39 struct cfdriver exdwusb_cd = {
40 NULL, "exdwusb", DV_DULL
41 };
42
43 int
exdwusb_match(struct device * parent,void * match,void * aux)44 exdwusb_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
51 void
exdwusb_attach(struct device * parent,struct device * self,void * aux)52 exdwusb_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