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ce27f7f9e3
The devices in the wkup domain are capable of waking up the system from suspend. We can configure the wkup domain devices in a generic way using the ti-sysc interconnect target module driver like we have done with the earlier TI SoCs. As ti-sysc manages the SYSCONFIG related registers independent of the child hardware device, the wake-up configuration is also set even if wkup_uart0 is reserved by sysfw. The wkup_uart0 device has interconnect target module register mapping like dra7 wkup uart. There is a 1 MB interconnect target range with one uart IP block in the target module. The power domain and clock affects the whole interconnect target module. Note we change the functional clock name to follow the ti-sysc binding and use "fck" instead of "fclk". Also note that we need to disable the target module reset as noted by Markus. Otherwise the sysfw using wkup_uart0 can get confused on some devices leading to boot time issues such as mbox timeouts. Tested-by: Dhruva Gole <d-gole@ti.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Tested-by: Markus Schneider-Pargmann <msp@baylibre.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20240213112510.6334-1-tony@atomide.com Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> |
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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.