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Errata i843 in AM572x Sitara Processors Silicon Revision 2.0, 1.1 (SPRZ429K July 2014–Revised March 2017 [1]) mentions PG 1.0/1.1 silicon has limitations w.r.t frequencies at which MMC1/2/3 can operate. Use soc_device_match() to identify rev 1.0/1.1 silicon and override mmc->f_max according to the errata workaround. "max-frequency" dt property cannot be used since the device tree is added for rev 2.0 silicon. soc_device_match() is also used in order to get the IODelay values for rev 1.0/1.1 silicon. [1] -> http://www.ti.com/lit/er/sprz429k/sprz429k.pdf Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Ulf Hansson <ulf.hansson@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 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.