diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb/dwc3.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/dwc3.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt index 0dbd3083e7dd..7f13ebef06cb 100644 --- a/Documentation/devicetree/bindings/usb/dwc3.txt +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -7,6 +7,26 @@ Required properties: - compatible: must be "snps,dwc3" - reg : Address and length of the register set for the device - interrupts: Interrupts used by the dwc3 controller. + - clock-names: should contain "ref", "bus_early", "suspend" + - clocks: list of phandle and clock specifier pairs corresponding to + entries in the clock-names property. + +Exception for clocks: + clocks are optional if the parent node (i.e. glue-layer) is compatible to + one of the following: + "amlogic,meson-axg-dwc3" + "amlogic,meson-gxl-dwc3" + "cavium,octeon-7130-usb-uctl" + "qcom,dwc3" + "samsung,exynos5250-dwusb3" + "samsung,exynos7-dwusb3" + "sprd,sc9860-dwc3" + "st,stih407-dwc3" + "ti,am437x-dwc3" + "ti,dwc3" + "ti,keystone-dwc3" + "rockchip,rk3399-dwc3" + "xlnx,zynqmp-dwc3" Optional properties: - usb-phy : array of phandle for the PHY device. The first element @@ -15,6 +35,7 @@ Optional properties: - phys: from the *Generic PHY* bindings - 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,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. |