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Enable some very core config options used on 64bit Rockchip socs. As built-in driver enable the Rockchip spi driver as well as the cros-ec-spi and cros-ec keyboard driver, as this may be helpful in case an initrd does not work as expected and drops the user into a shell. Another built-in is the fan53555 regulator driver, as it and its register-compatible cousins Silergy syr827 and syr828 are often used on Rockchip socs as cpu-supply next to regular pmic. The rest can be enabled as modules and contains the pcie host controller and its phy, the sucessive approximation adc (saradc) that gets often used for additional buttons on Rockchip boards as well as the adc-keys Keyboard driver for these keys. The cros-ec-pwm also can be a module, as it is normally only used to drive display backlights as well as the Rockchip thermal controller that allows to read the cpu and gpu temperatures and affect frequency scaling if necessary. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Olof Johansson <olof@lixom.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.