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The K3 J721E family of SoCs have a revised version of the PRU-ICSS (ICSSG) processor subsystem present on K3 AM65x SoCs. These SoCs contain typically two ICSSG instances named ICSSG0 and ICSSG1. The two ICSSGs are identical to each other for the most part with minor SoC integration differences and capabilities. The ICSSG1 supports slightly enhanced features like SGMII mode Ethernet, while the ICSSG0 instance is limited to MII mode only. There is no change in the Interrupt Controller w.r.t AM65x. All other integration aspects are very similar to the ICSSGs on AM65x SoCs. The existing pruss platform driver has been updated to support these new ICSSG instances through new J721E specific compatibles. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
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 Restructured Text 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.