1 /* $NetBSD: ti_sysc.c,v 1.2 2021/01/27 03:10:20 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2019 Jared McNeill <jmcneill@invisible.ca>
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 ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * 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 __KERNEL_RCSID(0, "$NetBSD: ti_sysc.c,v 1.2 2021/01/27 03:10:20 thorpej Exp $");
31
32 #include <sys/param.h>
33 #include <sys/bus.h>
34 #include <sys/device.h>
35 #include <sys/intr.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/kmem.h>
39
40 #include <dev/fdt/fdtvar.h>
41
42 #include <arm/ti/ti_prcm.h>
43
44 static int ti_sysc_match(device_t, cfdata_t, void *);
45 static void ti_sysc_attach(device_t, device_t, void *);
46
47 CFATTACH_DECL_NEW(ti_sysc, 0, ti_sysc_match, ti_sysc_attach, NULL, NULL);
48
49 static const struct device_compatible_entry compat_data[] = {
50 { .compat = "ti,sysc" },
51 DEVICE_COMPAT_EOL
52 };
53
54 static int
ti_sysc_match(device_t parent,cfdata_t cf,void * aux)55 ti_sysc_match(device_t parent, cfdata_t cf, void *aux)
56 {
57 struct fdt_attach_args * const faa = aux;
58
59 return of_compatible_match(faa->faa_phandle, compat_data);
60 }
61
62 static void
ti_sysc_attach(device_t parent,device_t self,void * aux)63 ti_sysc_attach(device_t parent, device_t self, void *aux)
64 {
65 struct fdt_attach_args * const faa = aux;
66 const int phandle = faa->faa_phandle;
67
68 aprint_naive("\n");
69 aprint_normal("\n");
70
71 fdt_add_bus(self, phandle, faa);
72 }
73