1 /* $OpenBSD: omcm.c,v 1.4 2023/09/22 01:10:43 jsg Exp $ */
2 /*
3 * Copyright (c) 2020 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
23 #include <dev/ofw/openfirm.h>
24
25 #include <machine/simplebusvar.h>
26
27 struct omcm_softc {
28 struct simplebus_softc sc_bus;
29 };
30
31 int omcm_match(struct device *, void *, void *);
32 void omcm_attach(struct device *, struct device *, void *);
33
34 const struct cfattach omcm_ca = {
35 sizeof(struct omcm_softc), omcm_match, omcm_attach
36 };
37
38 struct cfdriver omcm_cd = {
39 NULL, "omcm", DV_DULL
40 };
41
42 int
omcm_match(struct device * parent,void * cfdata,void * aux)43 omcm_match(struct device *parent, void *cfdata, void *aux)
44 {
45 struct fdt_attach_args *faa = aux;
46
47 return OF_is_compatible(faa->fa_node, "ti,omap4-cm");
48 }
49
50 void
omcm_attach(struct device * parent,struct device * self,void * aux)51 omcm_attach(struct device *parent, struct device *self, void *aux)
52 {
53 struct omcm_softc *sc = (struct omcm_softc *)self;
54 struct fdt_attach_args *faa = aux;
55
56 simplebus_attach(parent, &sc->sc_bus.sc_dev, faa);
57 }
58