On Tue, 2017-06-27 at 11:42 +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 There's also a USB1.1 HID-only device-controller, but it's a legacy piece of IP that we may never support. It might be worth mentioning its existence and Ryan might want it supported in the bindings at least no ? > 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(-) > > diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt > index ca01710ee29a..09142dab47db 100644 > --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt > +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-aspeed.txt > @@ -69,8 +69,9 @@ PWM1 PWM2 PWM3 PWM4 PWM5 PWM6 PWM7 RGMII1 RGMII2 RMII1 RMII2 ROM16 ROM8 ROMCS1 > ROMCS2 ROMCS3 ROMCS4 RXD1 RXD2 RXD3 RXD4 SALT1 SALT2 SALT3 SALT4 SD1 SD2 SGPMCK > SGPMI SGPMLD SGPMO SGPSCK SGPSI0 SGPSI1 SGPSLD SIOONCTRL SIOPBI SIOPBO SIOPWREQ > SIOPWRGD SIOS3 SIOS5 SIOSCI SPI1 SPI1DEBUG SPI1PASSTHRU SPICS1 TIMER3 TIMER4 > -TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD2 TXD3 TXD4 UART6 USBCKI VGABIOS_ROM VGAHS > -VGAVS VPI18 VPI24 VPI30 VPO12 VPO24 WDTRST1 WDTRST2 > +TIMER5 TIMER6 TIMER7 TIMER8 TXD1 TXD2 TXD3 TXD4 UART6 USB11D1 USB11H2 USB2D1 > +USB2H1 USBCKI VGABIOS_ROM VGAHS VGAVS VPI18 VPI24 VPI30 VPO12 VPO24 WDTRST1 > +WDTRST2 > > aspeed,ast2500-pinctrl, aspeed,g5-pinctrl: > -- 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
