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The A83T has 3 I2C controllers under the standard bus. There is one more in the R_ block section. The pin functions for the 3 controllers are on PH 0~6. I2C2 can also be used on pins PE14 and PE15, but these pins can also mux the CSI (camera sensor interface) controller's embedded I2C controller. The latter seems to be preferred in the reference designs for I2C camera sensor access, freeing I2C2 for other uses. This patch adds device nodes for the three standard I2C controllers, as well as pinmux settings for the PH pins. For I2C0 and I2C1, since they only have one possible setting, just set them by default. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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.