usb: dwc3: add xHCI Host support
The Designware USB3 IP can be configured with
an internal xHCI. If we're running on such a
version, let's start the xHCI stack.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index a3ef8f3..a775543 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -41,6 +41,7 @@
#include <linux/device.h>
#include <linux/spinlock.h>
+#include <linux/ioport.h>
#include <linux/list.h>
#include <linux/dma-mapping.h>
#include <linux/mm.h>
@@ -560,6 +561,7 @@
* @ep0_bounce_addr: dma address of ep0_bounce
* @lock: for synchronizing
* @dev: pointer to our struct device
+ * @xhci: pointer to our xHCI child
* @event_buffer_list: a list of event buffers
* @gadget: device side representation of the peripheral controller
* @gadget_driver: pointer to the gadget driver
@@ -598,6 +600,9 @@
spinlock_t lock;
struct device *dev;
+ struct platform_device *xhci;
+ struct resource *res;
+
struct dwc3_event_buffer *ev_buffs[DWC3_EVENT_BUFFERS_MAX];
struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM];
@@ -782,4 +787,8 @@
#define DWC3_HAS_XHCI BIT(1)
#define DWC3_HAS_OTG BIT(3)
+/* prototypes */
+int dwc3_host_init(struct dwc3 *dwc);
+void dwc3_host_exit(struct dwc3 *dwc);
+
#endif /* __DRIVERS_USB_DWC3_CORE_H */