From mboxrd@z Thu Jan 1 00:00:00 1970 From: robh@kernel.org (Rob Herring) Date: Thu, 5 Oct 2017 15:02:40 -0500 Subject: [PATCH 1/2] dt-bindings: phy: Add support for the USB3 PHY on Amlogic Meson GXL SoCs In-Reply-To: <20170924195000.13276-2-martin.blumenstingl@googlemail.com> References: <20170924195000.13276-1-martin.blumenstingl@googlemail.com> <20170924195000.13276-2-martin.blumenstingl@googlemail.com> Message-ID: <20171005200240.bdxd4kupapkqlosh@rob-hp-laptop> To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org On Sun, Sep 24, 2017 at 09:49:59PM +0200, 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 some boards (probably those where > the bootloader does not initialize the USB3 PHY) show errors with > high-speed USB devices connected to any of the USB2 ports. > > Signed-off-by: Martin Blumenstingl > --- > .../devicetree/bindings/phy/meson-gxl-usb3-phy.txt | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/meson-gxl-usb3-phy.txt Acked-by: Rob Herring