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usb: dwc3: add delay p1p2p3 quirk

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This patch adds delay P0 to 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>
This commit is contained in:
Huang Rui
2014-10-28 19:54:30 +08:00
committed by Felipe Balbi
parent df31f5b3a6
commit a2a1d0f583
4 changed files with 14 additions and 0 deletions
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2
Documentation/devicetree/bindings/usb/dwc3.txt
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@@ -22,6 +22,8 @@ Optional properties:
- snps,u2ss_inp3_quirk: set if we enable P3 OK for U2/SS Inactive quirk
- snps,req_p1p2p3_quirk: when set, the core will always request for
P1/P2/P3 transition sequence.
- snps,del_p1p2p3_quirk: when set core will delay P1/P2/P3 until a certain
amount of 8B10B errors occur.
This is usually a subnode to DWC3 glue to which it is connected.