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Chen-Yu Tsai f969258d16 arm64: dts: allwinner: a527: cubie-a5e: Add LEDs
[ Upstream commit 4184f01907 ]

The Radxa Cubie A5E has a 3-color LED. The green and blue LEDs are wired
to GPIO pins on the SoC, and the green one is lit by default to serve as
a power indicator. The red LED is wired to the M.2 slot.

Add device nodes for the green and blue LEDs.

A default "heartbeat" trigger is set for the green power LED, though in
practice it might be better if it were inverted, i.e. lit most of the
time.

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20250812175927.2199219-1-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Stable-dep-of: 9f01e1e14e ("arm64: dts: allwinner: a527: cubie-a5e: Drop external 32.768 KHz crystal")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-10-15 12:03:32 +02:00
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README

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.