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Until RPI 3 and Zero W the pl011 (uart0) was always on pin 14/15. So in order to take care of them and other boards in the future, we need to define UART pinmuxing on board level. This work based on Eric Anholt's patch "ARM: bcm2385: Don't force pl011 onto pins 14/15." and Fabian Vogt's patch "ARM64: dts: bcm2837: assign uart0 to BT and uart1 to pin headers". Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Eric Anholt <eric@anholt.net>
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.