[PATCH] Documentation: dt: dwc3: note the supported phy-names

[Brian Norris]

The dwc3 driver expicitly looks for "usb2-phy" or "usb3-phy", but we
never noted these names in the documentation.

Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/usb/dwc3.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 7d7ce089b003..2358779cf6cb 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -13,7 +13,8 @@ Optional properties:
    in the array is expected to be a handle to the USB2/HS PHY and
    the second element is expected to be a handle to the USB3/SS PHY
  - phys: from the *Generic PHY* bindings
- - phy-names: from the *Generic PHY* bindings
+ - phy-names: from the *Generic PHY* bindings; supported names are "usb2-phy"
+	or "usb3-phy".
  - snps,usb3_lpm_capable: determines if platform is USB3 LPM capable
  - snps,disable_scramble_quirk: true when SW should disable data scrambling.
 	Only really useful for FPGA builds.
-- 
2.8.0.rc3.226.g39d4020