[PATCH v3 2/2] dt-bindings: usb: document snps,sprs-ctrl-trans-quirk property in dwc3

[Yaqin Pan]

Add snps,sprs-ctrl-trans-quirk property for dwc3 controller

Signed-off-by: Yaqin Pan <akingchen@xxxxxxxx>
---
 Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index 41416fbd92aa..7a127f0cb530 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -226,6 +226,12 @@ properties:
       avoid -EPROTO errors with usbhid on some devices (Hikey 970).
     type: boolean
 
+  snps,sprs-ctrl-trans-quirk:
+    description:
+      When set, change the way host controller schedules transations for a Control transfer.
+      Avoid failing to enumerate some devices due to usb compatibility issues.
+    type: boolean
+
   snps,is-utmi-l1-suspend:
     description:
       True when DWC3 asserts output signal utmi_l1_suspend_n, false when
-- 
2.17.1