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Subject[PATCH v2 1/4] dt-bindings: usb: dwc2: Document quirk to reset PHY upon wakeup
Date
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 <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
---

Changes in v2: None

Documentation/devicetree/bindings/usb/dwc2.txt | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
index 6dc3c4a34483..f70f3aee4bfc 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.txt
+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
@@ -37,6 +37,8 @@ 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
--
2.21.0.593.g511ec345e18-goog
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