drivers: udc_dwc2: Support High-Bandwidth endpoints

Make driver aware of High-Bandwidth endpoints both in Completer and
Buffer DMA mode. In Completer mode TxFIFO must be able to hold all
packets for microframe, while in Buffer DMA mode space enough for two
packets is sufficient.

Signed-off-by: Tomasz Moń <[email protected]>

Author: tmon-nordic

drivers/usb/common/usb_dwc2_hw.h

@@ -755,13 +755,17 @@ USB_DWC2_GET_FIELD_DEFINE(dieptsiz0_xfersize, DEPTSIZ0_XFERSIZE)
  * IN at offsets 0x0910 + (0x20 * n), n = 1 .. x,
  * OUT at offsets 0x0B10 + (0x20 * n), n = 1 .. x
  */
+#define USB_DWC2_DEPTSIZN_MC_POS		29UL
+#define USB_DWC2_DEPTSIZN_MC_MASK		(0x3UL << USB_DWC2_DEPTSIZN_MC_POS)
 #define USB_DWC2_DEPTSIZN_PKTCNT_POS		19UL
 #define USB_DWC2_DEPTSIZN_PKTCNT_MASK		(0x3FFUL << USB_DWC2_DEPTSIZN_PKTCNT_POS)
 #define USB_DWC2_DEPTSIZN_XFERSIZE_POS		0UL
 #define USB_DWC2_DEPTSIZN_XFERSIZE_MASK		0x7FFFFUL
 
+USB_DWC2_GET_FIELD_DEFINE(deptsizn_mc, DEPTSIZN_MC)
 USB_DWC2_GET_FIELD_DEFINE(deptsizn_pktcnt, DEPTSIZN_PKTCNT)
 USB_DWC2_GET_FIELD_DEFINE(deptsizn_xfersize, DEPTSIZN_XFERSIZE)
+USB_DWC2_SET_FIELD_DEFINE(deptsizn_mc, DEPTSIZN_MC)
 USB_DWC2_SET_FIELD_DEFINE(deptsizn_pktcnt, DEPTSIZN_PKTCNT)
 USB_DWC2_SET_FIELD_DEFINE(deptsizn_xfersize, DEPTSIZN_XFERSIZE)