usb: dwc2: New bit definition in GOTGCTL register

Added new bit EUSB2_DISC_SUPP in GOTGCTL register.
This bit applicable in device mode of HSOTG and HS IOT cores
v5.00 or higher.
This bit used for Device Disconnect detection with eUSB2 PHY.

Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/21e4401895d586afa23c3fa3d3518bd4b7ebd4d5.1708948356.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h
index 13abdd5f6752999cc20603fa404b02c3d84bac20..c1d5d46c33e3a4863c135fb4d051f355c37b7882 100644 (file)
--- a/drivers/usb/dwc2/hw.h
+++ b/drivers/usb/dwc2/hw.h
@@ -11,6 +11,7 @@
 #define HSOTG_REG(x)   (x)
 
 #define GOTGCTL                                HSOTG_REG(0x000)
+#define GOTGCTL_EUSB2_DISC_SUPP        BIT(28)
 #define GOTGCTL_CHIRPEN                        BIT(27)
 #define GOTGCTL_MULT_VALID_BC_MASK     (0x1f << 22)
 #define GOTGCTL_MULT_VALID_BC_SHIFT    22