2 * Copyright 2015 Andrew Turner.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/kernel.h>
34 #include <sys/callout.h>
35 #include <sys/condvar.h>
36 #include <sys/module.h>
38 #include <dev/ofw/ofw_bus_subr.h>
40 #include <dev/usb/usb.h>
41 #include <dev/usb/usbdi.h>
43 #include <dev/usb/usb_busdma.h>
44 #include <dev/usb/usb_process.h>
46 #include <dev/usb/usb_controller.h>
47 #include <dev/usb/usb_bus.h>
49 #include <dev/usb/controller/dwc_otg.h>
50 #include <dev/usb/controller/dwc_otg_fdt.h>
52 #include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h>
54 static struct ofw_compat_data compat_data[] = {
55 {"broadcom,bcm2835-usb", 1},
56 {"brcm,bcm2708-usb", 1},
60 static device_probe_t bcm283x_dwc_otg_probe;
61 static device_attach_t bcm283x_dwc_otg_attach;
64 bcm283x_dwc_otg_probe(device_t dev)
67 if (!ofw_bus_status_okay(dev))
70 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
73 device_set_desc(dev, "DWC OTG 2.0 integrated USB controller (bcm283x)");
75 return (BUS_PROBE_VENDOR);
79 bcm283x_dwc_otg_attach(device_t dev)
83 err = bcm2835_mbox_set_power_state(BCM2835_MBOX_POWER_ID_USB_HCD, TRUE);
85 device_printf(dev, "failed to set power state, err=%d\n", err);
87 return (dwc_otg_attach(dev));
90 static device_method_t bcm283x_dwc_otg_methods[] = {
92 DEVMETHOD(device_probe, bcm283x_dwc_otg_probe),
93 DEVMETHOD(device_attach, bcm283x_dwc_otg_attach),
98 static devclass_t bcm283x_dwc_otg_devclass;
100 DEFINE_CLASS_1(bcm283x_dwcotg, bcm283x_dwc_otg_driver, bcm283x_dwc_otg_methods,
101 sizeof(struct dwc_otg_fdt_softc), dwc_otg_driver);
102 DRIVER_MODULE(bcm283x_dwcotg, simplebus, bcm283x_dwc_otg_driver,
103 bcm283x_dwc_otg_devclass, 0, 0);
104 MODULE_DEPEND(bcm283x_dwcotg, usb, 1, 1, 1);