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The bootloader for RK3588 Tiger currently forces the PMIC reset behavior (stored in RST_FUN bitfield in register SYS_CFG3 of the PMIC) to 0b1X which is incorrect for our devices. It is required to restart the PMU as otherwise the companion microcontroller cannot detect the PMIC (and by extension the full product and main SoC) being rebooted which is an issue as that is used to reset a few things like the PWM beeper and watchdogs. Let's add the new rockchip,reset-mode property to make sure the PMIC reset behavior is the expected one. Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de> Link: https://lore.kernel.org/r/20250627-rk8xx-rst-fun-v4-5-ce05d041b45f@cherry.de Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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.