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MV88E6352 and later switches support GPIO control through the "Scratch & Misc" global2 register. Two of the pins controlled this way on the mv88e6390 family are the external MDIO pins. They can either by used as part of the MII interface for port 0, GPIOs, or MDIO. Add a function to configure them for MDIO, if possible, and call it when registering the external MDIO bus. Suggested-by: Russell King <rmk@armlinux.org.uk> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.