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41d9830cd0
This adds initial and compulsory device tree support to the Gemini ARMv4 platform. We are selecting a bunch of "absolute minimals" for getting a working system up with just device tree: - We select USE_OF for natural reasons or nothing works. - We select CLKSRC_OF and GEMINI_TIMER so we get timekeeping from the clocksource. - We select GPIO_GEMINI because these are used as irqchips, and for a generic driver it is not reasonable for those to have to select every possible irqchip in the world to work, the platform should simply provide the available irqchips. - We select a UART that can be exprected to work with SERIAL_OF_PLATFORM which is the name for an 8250 OF-probed serial port. - We select the syscon-based reset controller: it's not fun when "reboot" doesn't work because of Kconfig, so we just select POWER_RESET and POWER_RESET_SYSCON. - We perhaps a bit controversiallt select ARM_APPENDED_DTB, because this platform is using the ancient RedBoot, and can *NOT* be expected to upgrade its bootloaders. Appended device tree is simply how these devices have to work with device tree. Cc: Janos Laube <janos.dev@gmail.com> Cc: Paulius Zaleckas <paulius.zaleckas@gmail.com> Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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| README | ||
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.