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dt-bindings: usb: dwc3: add xhci-trb-ent-quirk property

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This patch add a new property "snps,xhci-trb-ent-quirk" for
xHCI integrated in DWC3 IP to enable the Evaluate Next TRB(ENT)
flag in the TRB data structure.

Change-Id: I40b015b75f91c31d43f8f9ec1c80140f6140f86c
Signed-off-by: William Wu <william.wu@rock-chips.com>
This commit is contained in:
William Wu 2019-04-08 17:56:32 +08:00 committed by Tao Huang
parent 0f580acb01
commit 022822df28
1 changed files with 2 additions and 0 deletions
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2
Documentation/devicetree/bindings/usb/dwc3.txt
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@ -74,6 +74,8 @@ Optional properties:
- snps,xhci-slow-suspend-quirk: when set, need an extraordinary delay to wait
for xHC enter the Halted state (i.e. HCH in the USBSTS
register is '1').
- snps,xhci-trb-ent-quirk: when set, the xHC use the Evaluate Next TRB(ENT)
flag to force the xHC to pre-fetch the next TRB of a TD.
- snps,is-utmi-l1-suspend: true when DWC3 asserts output signal
utmi_l1_suspend_n, false when asserts utmi_sleep_n
- snps,hird-threshold: HIRD threshold