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dt-bindings: usb: dwc3: add a property to do warm port reset quirk

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This patch adds a new property "snps,xhci-warm-reset-on-suspend-quirk"
to do a warm port reset for xHC USB3 port upon suspend if needed.

Change-Id: Id26ab9ecd933f16a491b6fc13c45346459f78109
Signed-off-by: William Wu <william.wu@rock-chips.com>
This commit is contained in:
William Wu
2020-06-02 15:30:05 +08:00
committed by Tao Huang
parent a77a960706
commit 89d01c470d
1 changed files with 2 additions and 0 deletions
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2
Documentation/devicetree/bindings/usb/dwc3.txt
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@@ -82,6 +82,8 @@ Optional properties:
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,xhci-warm-reset-on-suspend-quirk: when set, do a warm port reset for
xHC USB3 port upon suspend.
- 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