From 89d01c470dda92f5919b593d69b4f177489c6115 Mon Sep 17 00:00:00 2001 From: William Wu Date: Tue, 2 Jun 2020 15:30:05 +0800 Subject: [PATCH] dt-bindings: usb: dwc3: add a property to do warm port reset quirk 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 --- Documentation/devicetree/bindings/usb/dwc3.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt index bd831f6f371f..b9120b5eb83e 100644 --- a/Documentation/devicetree/bindings/usb/dwc3.txt +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -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