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| author | Douglas Anderson <dianders@chromium.org> | 2019-04-17 00:53:48 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-05-03 09:13:47 +0300 |
| commit | cc389eaabd7082a14e46aaa5a02f87c9eef37d7f (patch) | |
| tree | 9ce047c8d1b6cf258326bbfbcd4c0969c27badf8 | |
| parent | 86847dca8b8bd6145f41986399b4b882a6b55623 (diff) | |
| download | linux-cc389eaabd7082a14e46aaa5a02f87c9eef37d7f.tar.xz | |
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 <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| -rw-r--r-- | Documentation/devicetree/bindings/usb/dwc2.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt index 0294572deea3..49eac0dc86b0 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 |