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The NanoPi R5S has 4 GPIO LEDs, a RED one for SYStem power and 3 green LEDs meant to indicate that a cable is connected to either of the 2.5GbE LAN ports or the 1GbE WAN port. In the NanoPi R5S schematic (2204; page 19) as well as on the PCB and on the case, SYS is used and not POWER. So replace 'power' with 'sys'. But keep the 'power_led' label/phandle even though the kernel doesn't use it, but it may be used outside of it. The SYStem LED already had "heartbeat" as its default-trigger. Set the default-trigger to "netdev" for the NICs so they will show when LAN1/LAN2/WAN is connected and set their default-state to "off". Also assign labels as close as possible to the labels on the case, while still being descriptive enough in their own right. Signed-off-by: Diederik de Haas <didi.debian@cknow.org> Link: https://lore.kernel.org/r/20250513170056.96259-1-didi.debian@cknow.org 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.