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On the Allwinner A83T SoC, the last USB PHY is an HSIC PHY. It requires two clocks instead of one. On all Allwinner SoCs that share the common USB PHY design supported by the phy-sun4i-usb driver, the first PHY is always tied to OTG, and there is at most one HSIC PHY, typically the last. In this patch we take advantage of these known constraints and store an index in the compatible-string-related config structure describing which PHY is HSIC, needing the extra hsic_12M clock. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> |
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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.