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diff --git a/sys/dev/usb/controller/dwc3.c b/sys/dev/usb/controller/dwc3.c
--- a/sys/dev/usb/controller/dwc3.c
+++ b/sys/dev/usb/controller/dwc3.c
@@ -86,6 +86,11 @@
bus_space_tag_t bst;
bus_space_handle_t bsh;
uint32_t snpsid;
+#ifdef FDT
+ clk_t clk_ref;
+ clk_t clk_suspend;
+ clk_t clk_bus;
+#endif
};
#define DWC3_WRITE(_sc, _off, _val) \
@@ -394,9 +399,32 @@
if (!is_fdt)
goto skip_phys;
- /* Get the phys */
node = ofw_bus_get_node(dev);
+ /* Get the clocks if any */
+ if (ofw_bus_is_compatible(dev, "rockchip,rk3328-dwc3") == 1) {
+ if (clk_get_by_ofw_name(dev, node, "ref_clk", &sc->clk_ref) != 0)
+ device_printf(dev, "Cannot get ref_clk\n");
+ if (clk_get_by_ofw_name(dev, node, "suspend_clk", &sc->clk_suspend) != 0)
+ device_printf(dev, "Cannot get suspend_clk\n");
+ if (clk_get_by_ofw_name(dev, node, "bus_clk", &sc->clk_bus) != 0)
+ device_printf(dev, "Cannot get bus_clk\n");
+ }
+
+ if (sc->clk_ref != NULL) {
+ if (clk_enable(sc->clk_ref) != 0)
+ device_printf(dev, "Cannot enable ref_clk\n");
+ }
+ if (sc->clk_suspend != NULL) {
+ if (clk_enable(sc->clk_suspend) != 0)
+ device_printf(dev, "Cannot enable suspend_clk\n");
+ }
+ if (sc->clk_bus != NULL) {
+ if (clk_enable(sc->clk_bus) != 0)
+ device_printf(dev, "Cannot enable bus_clk\n");
+ }
+
+ /* Get the phys */
usb2_phy = usb3_phy = NULL;
error = phy_get_by_ofw_name(dev, node, "usb2-phy", &usb2_phy);
if (error == 0 && usb2_phy != NULL)
@@ -427,6 +455,16 @@
snsp_dwc3_dump_regs(sc, "Post XHCI init");
#endif
+#ifdef FDT
+ if (error) {
+ if (sc->clk_ref != NULL)
+ clk_disable(sc->clk_ref);
+ if (sc->clk_suspend != NULL)
+ clk_disable(sc->clk_suspend);
+ if (sc->clk_bus != NULL)
+ clk_disable(sc->clk_bus);
+ }
+#endif
return (error);
}

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