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APC Rock is a development board based on WonderMedia WM8590 released around 2013. Paper is the same board, but with the VGA port left unpopulated, and shipped with a recycled cardboard case Its hardware includes: * Single-core Cortex-A9 CPU at 800 MHz * 512MB DDR3 RAM * 4GB NAND flash * 8MB SPI NOR flash * ARM Mali-400 GPU * HDMI output (type A) capable of 1080p * VGA output (on Rock, but not on Paper) * 2x USB 2.0 type A * 1x USB 2.0 OTG (microUSB connector) * microSD slot * 10/100M Ethernet * 3.5mm minijack connector with combined headphones/mic * Half-height miniPCIe slot (with only USB 2.0 signals) Signed-off-by: Alexey Charkov <alchark@gmail.com> Link: https://lore.kernel.org/r/20250425-apc_paper_binding-v5-2-3aef49e97332@gmail.com Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.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.