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doc: dts: clarify reg format

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These are in hex.

Suggested-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
Signed-off-by: Marti Bolivar <marti.bolivar@nordicsemi.no>
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Marti Bolivar 2023-01-13 12:21:33 -08:00
commit 196df5c9b4
1 changed files with 4 additions and 1 deletions
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doc/build/dts/intro-syntax-structure.rst vendored
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@ -253,7 +253,10 @@ reg
(i.e. is different depending on the compatible property). (i.e. is different depending on the compatible property).
The ``reg`` property is a sequence of ``(address, length)`` pairs. Each The ``reg`` property is a sequence of ``(address, length)`` pairs. Each
pair is called a "register block". Here are some common patterns: pair is called a "register block". Values are conventionally written
in hex.
Here are some common patterns:
- Devices accessed via memory-mapped I/O registers (like ``i2c@40003000``): - Devices accessed via memory-mapped I/O registers (like ``i2c@40003000``):
``address`` is usually the base address of the I/O register space, and ``address`` is usually the base address of the I/O register space, and