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The Allwinner A523, and its siblings A527 and T527, which share the same die, are a new family of SoCs introduced in 2023. They features eight Arm Cortex-A55 cores, and, among the other usual peripherals, a PCIe and USB 3.0 controller. Add the basic SoC devicetree .dtsi for the chip, describing the fundamental peripherals: the cores, GIC, timer, RTC, CCU and pinctrl. Also some other peripherals are fully compatible with previous IP, so add the USB and MMC nodes as well. The other peripherals will be added in the future, once we understand their compatibility and DT requirements. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> Link: https://patch.msgid.link/20250307005712.16828-9-andre.przywara@arm.com Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
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.