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doc: overlays: Tweak documentation regarding overlays

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Pull some information regarding overlays from commit messages and
put them directly within the documentation. Also add some information
regarding required dtc version to properly use overlays.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Franklin S Cooper Jr
2017-09-04 23:12:19 +03:00
committed by Simon Glass
parent d80162cfc5
commit 56fc7032e1
2 changed files with 87 additions and 6 deletions
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8
doc/uImage.FIT/overlay-fdt-boot.txt
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@@ -1,5 +1,5 @@
U-Boot FDT Overlay usage
========================
U-Boot FDT Overlay FIT usage
============================
Introduction
------------
@@ -8,6 +8,10 @@ of similar boards and their expansion options. The same kernel on DT enabled
platforms can support this easily enough by providing a DT blob upon boot
that matches the desired configuration.
This document focuses on specifically using overlays as part of a FIT image.
General information regarding overlays including its syntax and building it
can be found in doc/README.fdt-overlays
Configuration without overlays
------------------------------