[PATCH 1/2] ARM: dts: imx51-babbage: Add USB Host1 support

[Peter Chen]

> 
> On Tue, Mar 25, 2014 at 11:00 PM, Peter Chen <Peter.Chen at freescale.com>
> wrote:
> 
> >> +
> >> +             usbphy1: usbphy at 1 {
> >> +                     compatible = "usb-nop-xceiv";
> >> +                     reg = <1>;
> >> +                     clocks = <&clks IMX5_CLK_USB_PHY_GATE>;
> >> +                     clock-names = "main_clk";
> >> +             };
> >>       };
> >>
> >
> > You are using usb nop phy driver (phy-generic.c) for ulpi phy, Are you
> > sure your phy doesn't need any configurations from viewport?
> 
> I am not sure I understood your comment.
> 
> This node is the same like we do on mx53 and other i.mx SoCs.
> 

For imx53, it can work since both usbotg and host 1 use utmi internal phy.
But for SoCs before than imx53 (including imx51), the host1 uses external
phy. At non-dt version, they should use ulpi phy driver.

Peter

> Both USB host and OTG are functional.
> 
> Could you please explain your concern?
> 
> Regards,
> 
> Fabio Estevam
>