On Tue, Jun 27, 2017 at 11:42:11AM +0930, Andrew Jeffery wrote: > The AST2400 contains several USB controllers: > > * USB 1.1 Host Controller > * USB 2.0 Host Controller > * Combined USB 2.0 Virtual Hub and USB 1.1 HID Controller > > Pins for three ports are routed to the three controllers such that: > > * Port 1 is a dedicated USB 1.1 host port > * Port 2 is shared between the USB 1.1 host and HID controllers > * Port 3 is shared between the USB 2.0 host and Hub controllers > > As the pins for port 1 are fixed function there is no associated mux > function or group described in the bindings. Ports 2 and 3 are muxed as > above, and the table below describes the mapping between pinmux function > names and ports: > > Port | USB Version | USB Mode | Mux Function > ------|--------------|-----------|------------- > 1 | 1.1 | Host | - > 2 | 1.1 | Host | USB11H2 > 2 | 1.1 | Device | USB11D1 > 3 | 2.0 | Host | USB2H1 > 3 | 2.0 | Device | USB2D1 > > Signed-off-by: Andrew Jeffery <andrew@xxxxxxxx> > --- > Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) Acked-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
