On Fri, Nov 15, 2013 at 02:21:36AM +0000, Peter Chen wrote: > > If on the board file I just do this: > > > > +&usbh1 { > > + vbus-supply = <®_usb_h1_vbus>; > > + clocks = <&clks 201>; /* USB2514 clock comes from mx6 clko2 pin > > */ > > + status = "okay"; > > +}; > > + > > > > without touching any kernel code, then the USB hub clock is turned on > > and the USB host is functional. > > > > Does this make sense? > > > > It is not a USB controller's clock, it is one USB device's clock which > uses SoC clock at one specific board. Currently, there is only one general > USB HUB driver, no any special board information in it. > > You can also put this special board control at arch/arm/mach-imx/mach-imx6q.c > if shawn also agree it. Hmm, I would argue if it can be done in bootloader before kernel has a proper little driver for it. Shawn -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html