static int
awusbphy_attach(device_t dev)
{
int error;
error = awusbphy_init(dev);
if (error) {
device_printf(dev, "failed to initialize USB PHY, error %d\n",
error);
return (error);
}
phy_register_provider(dev);
return (error);
}
static int
usbphy_attach(device_t dev)
{
struct usbphy_softc * sc;
int rid, rv;
phandle_t node;
sc = device_get_softc(dev);
sc->dev = dev;
rid = 0;
sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
RF_ACTIVE | RF_SHAREABLE);
if (sc->mem_res == NULL) {
device_printf(dev, "Cannot allocate memory resources\n");
return (ENXIO);
}
rid = 1;
sc->pads_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
RF_ACTIVE | RF_SHAREABLE);
if (sc->mem_res == NULL) {
device_printf(dev, "Cannot allocate memory resources\n");
return (ENXIO);
}
node = ofw_bus_get_node(dev);
rv = hwreset_get_by_ofw_name(sc->dev, 0, "usb", &sc->reset_usb);
if (rv != 0) {
device_printf(dev, "Cannot get 'usb' reset\n");
return (ENXIO);
}
rv = hwreset_get_by_ofw_name(sc->dev, 0, "utmi-pads", &sc->reset_pads);
if (rv != 0) {
device_printf(dev, "Cannot get 'utmi-pads' reset\n");
return (ENXIO);
}
rv = clk_get_by_ofw_name(sc->dev, 0, "reg", &sc->clk_reg);
if (rv != 0) {
device_printf(sc->dev, "Cannot get 'reg' clock\n");
return (ENXIO);
}
rv = clk_get_by_ofw_name(sc->dev, 0, "pll_u", &sc->clk_pllu);
if (rv != 0) {
device_printf(sc->dev, "Cannot get 'pll_u' clock\n");
return (ENXIO);
}
rv = clk_get_by_ofw_name(sc->dev, 0, "utmi-pads", &sc->clk_pads);
if (rv != 0) {
device_printf(sc->dev, "Cannot get 'utmi-pads' clock\n");
return (ENXIO);
}
rv = hwreset_deassert(sc->reset_usb);
if (rv != 0) {
device_printf(dev, "Cannot unreset 'usb' reset\n");
return (ENXIO);
}
rv = clk_enable(sc->clk_pllu);
if (rv != 0) {
device_printf(sc->dev, "Cannot enable 'pllu' clock\n");
return (ENXIO);
}
rv = clk_enable(sc->clk_reg);
if (rv != 0) {
device_printf(sc->dev, "Cannot enable 'reg' clock\n");
return (ENXIO);
}
if (OF_hasprop(node, "nvidia,has-utmi-pad-registers"))
sc->have_utmi_regs = true;
sc->dr_mode = usb_get_dr_mode(dev, node, "dr_mode");
if (sc->dr_mode == USB_DR_MODE_UNKNOWN)
sc->dr_mode = USB_DR_MODE_HOST;
sc->ifc_type = usb_get_ifc_mode(dev, node, "phy_type");
/* We supports only utmi phy mode for now .... */
if (sc->ifc_type != USB_IFC_TYPE_UTMI) {
device_printf(dev, "Unsupported phy type\n");
return (ENXIO);
}
rv = usbphy_utmi_read_params(sc, node);
if (rv < 0)
return rv;
if (OF_hasprop(node, "vbus-supply")) {
rv = regulator_get_by_ofw_property(sc->dev, 0, "vbus-supply",
&sc->supply_vbus);
if (rv != 0) {
device_printf(sc->dev,
"Cannot get \"vbus\" regulator\n");
return (ENXIO);
}
rv = regulator_enable(sc->supply_vbus);
if (rv != 0) {
device_printf(sc->dev,
"Cannot enable \"vbus\" regulator\n");
return (rv);
}
}
phy_register_provider(dev);
return (0);
}
