From: Douglas Anderson Date: Tue, 16 Apr 2019 21:53:48 +0000 (-0700) Subject: dt-bindings: usb: dwc2: Document quirk to reset PHY upon wakeup X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=cc389eaabd7082a14e46aaa5a02f87c9eef37d7f;p=linux.git dt-bindings: usb: dwc2: Document quirk to reset PHY upon wakeup On Rockchip rk3288 there's a hardware quirk where we need to assert the reset signal to the PHY when we get a remote wakeup on one of the two ports. Document this quirk in the bindings. Signed-off-by: Douglas Anderson Reviewed-by: Matthias Kaehlcke Signed-off-by: Felipe Balbi --- diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt index 0294572deea35..49eac0dc86b09 100644 --- a/Documentation/devicetree/bindings/usb/dwc2.txt +++ b/Documentation/devicetree/bindings/usb/dwc2.txt @@ -42,6 +42,8 @@ Refer to phy/phy-bindings.txt for generic phy consumer properties - g-rx-fifo-size: size of rx fifo size in gadget mode. - g-np-tx-fifo-size: size of non-periodic tx fifo size in gadget mode. - g-tx-fifo-size: size of periodic tx fifo per endpoint (except ep0) in gadget mode. +- snps,reset-phy-on-wake: If present indicates that we need to reset the PHY when + we detect a wakeup. This is due to a hardware errata. Deprecated properties: - g-use-dma: gadget DMA mode is automatically detected