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doc: dts: update design goals document

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Some information on design goals can be updated:

- we have decided against code generation for the time being
- we can do pin muxing via devicetree (this requires soc.dtsi
  support, but the necessary devicetree infrastructure exists)

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
This commit is contained in:
Martí Bolívar 2020-10-21 11:31:20 -07:00 committed by Kumar Gala
parent f6042bbd34
commit 3df5f4003c
1 changed files with 2 additions and 10 deletions
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12
doc/guides/dts/design.rst
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@ -24,6 +24,8 @@ Examples
used in the current build. For example, the :ref:`blinky-sample` uses this to
determine the LED to blink.
- Boot-time pin muxing and pin control can be accomplished via devicetree.
Example remaining work
======================
@ -42,9 +44,6 @@ Example remaining work
- Runtime determination of ``struct device`` relationships should be done using
information obtained from devicetree, e.g. for device power management.
- Pin muxing and pin control, at least at boot time, should be accomplished via
devicetree.
Source compatibility with other operating systems
*************************************************
@ -82,10 +81,3 @@ Example remaining work
set of bindings supported by Linux.
- Devicetree source sharing between Zephyr and Linux is not done.
To be determined
****************
The scope and amount of code generation for device instantiation has been the
subject of extended discussion and prototyping without reaching a firm
conclusion.