static void
gpioled_identify(driver_t *driver, device_t bus)
{
phandle_t child, leds, root;
root = OF_finddevice("/");
if (root == 0)
return;
leds = fdt_find_compatible(root, "gpio-leds", 1);
if (leds == 0)
return;
/* Traverse the 'gpio-leds' node and add its children. */
for (child = OF_child(leds); child != 0; child = OF_peer(child))
if (ofw_gpiobus_add_fdt_child(bus, child) == NULL)
continue;
}
static int
ofw_gpiobus_attach(device_t dev)
{
int err;
phandle_t child;
err = gpiobus_init_softc(dev);
if (err != 0)
return (err);
bus_generic_probe(dev);
bus_enumerate_hinted_children(dev);
/*
* Attach the children represented in the device tree.
*/
for (child = OF_child(ofw_bus_get_node(dev)); child != 0;
child = OF_peer(child)) {
if (!OF_hasprop(child, "gpios"))
continue;
if (ofw_gpiobus_add_fdt_child(dev, NULL, child) == NULL)
continue;
}
return (bus_generic_attach(dev));
}
