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#include <machine/rtems-bsd-kernel-space.h>
/*-
* Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <dev/fdt/simplebus.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus_subr.h>
struct ofw_regulator_bus_softc {
struct simplebus_softc simplebus_sc;
};
static int
ofw_regulator_bus_probe(device_t dev)
{
const char *name;
name = ofw_bus_get_name(dev);
if (name == NULL || strcmp(name, "regulators") != 0)
return (ENXIO);
device_set_desc(dev, "OFW regulators bus");
return (0);
}
static int
ofw_regulator_bus_attach(device_t dev)
{
phandle_t node, child;
node = ofw_bus_get_node(dev);
simplebus_init(dev, node);
for (child = OF_child(node); child > 0; child = OF_peer(child)) {
simplebus_add_device(dev, child, 0, NULL, -1, NULL);
}
return (bus_generic_attach(dev));
}
static device_method_t ofw_regulator_bus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ofw_regulator_bus_probe),
DEVMETHOD(device_attach, ofw_regulator_bus_attach),
DEVMETHOD_END
};
DEFINE_CLASS_1(ofw_regulator_bus, ofw_regulator_bus_driver,
ofw_regulator_bus_methods, sizeof(struct ofw_regulator_bus_softc),
simplebus_driver);
static devclass_t ofw_regulator_bus_devclass;
EARLY_DRIVER_MODULE(ofw_regulator_bus, simplebus, ofw_regulator_bus_driver,
ofw_regulator_bus_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
MODULE_VERSION(ofw_regulator_bus, 1);
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