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Rockchip's rk3229 evaluation board has one usb otg controller and three usb host controllers. Each usb controller connect with one usb2 phy port through UTMI+ interface. And the three usb host interfaces use the same GPIO VBUS drive. Let's enable them to support usb on rk3229 evb board. Signed-off-by: William Wu <william.wu@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.