usb: dwc3: add request p1p2p3 quirk
This patch adds request P1/P2/P3 quirk for U2/U2/U3, and some special
platforms can configure that if it is needed.
[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 66fd26b..ce33163 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -177,6 +177,7 @@
/* Global USB3 PIPE Control Register */
#define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31)
#define DWC3_GUSB3PIPECTL_U2SSINP3OK (1 << 29)
+#define DWC3_GUSB3PIPECTL_REQP1P2P3 (1 << 24)
#define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17)
/* Global TX Fifo Size Register */
@@ -683,6 +684,7 @@
* @disable_scramble_quirk: set if we enable the disable scramble quirk
* @u2exit_lfps_quirk: set if we enable u2exit lfps quirk
* @u2ss_inp3_quirk: set if we enable P3 OK for U2/SS Inactive quirk
+ * @req_p1p2p3_quirk: set if we enable request p1p2p3 quirk
*/
struct dwc3 {
struct usb_ctrlrequest *ctrl_req;
@@ -793,6 +795,7 @@
unsigned disable_scramble_quirk:1;
unsigned u2exit_lfps_quirk:1;
unsigned u2ss_inp3_quirk:1;
+ unsigned req_p1p2p3_quirk:1;
};
/* -------------------------------------------------------------------------- */