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authorThinh Nguyen <thinh.nguyen@synopsys.com>2018-11-08 05:10:36 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2018-11-26 10:06:31 +0300
commit5455e156078bfcb72505f59b933c9ef726351e2b (patch)
tree8bb74c968dd2a7b3bfcb6d438c6f7d169701b4bf
parenteafeacf1196447dac0b8c40e77e96a81b74b8f7f (diff)
downloadlinux-5455e156078bfcb72505f59b933c9ef726351e2b.tar.xz
usb: dwc3: Add a property to disable USB2 LPM
Add an option to disable USB2 LPM from host. There maybe cases where the user does not want to enable USB2 LPM (e.g. USB2 LPM is broken). Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
-rw-r--r--Documentation/devicetree/bindings/usb/dwc3.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 636630fb92d7..7e33e53e7c29 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -37,6 +37,7 @@ Optional properties:
- phy-names: from the *Generic PHY* bindings; supported names are "usb2-phy"
or "usb3-phy".
- resets: a single pair of phandle and reset specifier
+ - snps,usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM
- 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.