On Sun, Jan 28, 2018 at 09:15:53PM +0100, Martin Blumenstingl wrote: > Amlogic Meson GXL SoCs use a dwc3 controller with two (GXM - a variant > for GXL, has three) USB2 ports. The first USB2 port supports host and > peripheral (also called "device") mode. > While the dwc3 controller has no USB3 port enabled we still need the > USB3 PHY to be initialized. Otherwise high-speed USB transfers (for > example with a USB flash drive) may time out (most often seen on boards > with mainline u-boot, where the bootloader does not initialize the USB3 > PHY registers). > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/phy/meson-gxl-usb3-phy.txt | 31 ++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/meson-gxl-usb3-phy.txt Reviewed-by: Rob Herring <robh@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
