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script/dts: Generate Extended Device Tree database #9876

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script/dts: Generate Extended Device Tree database #9876

wants to merge 27 commits into from

Commits on Oct 25, 2018

  1. dts/bindings: Add yaml field 'type' for generic zephyr type 

    Add new 'type' field in dts yaml bindings. It is meant to
provide zephyr generic device type (i2c, spi, ...).
This information could be used for various operations that
require to have information on the generic type of a device
or a compatible (CI triage, board documentation, ...)

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  2. scripts/dts: Introduce edts.json generation 

    Introduce python class for extended device tree database generation
and extraction.
Extended device tree database is a json formatted database.
It contains python like dict representation of device tree information
amended with zephyr yaml bindings.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
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  3. scripts: extract_dts_includes.py: create EDTS database for codegen 

    Create extended DTS database to be used by codegen and others.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
    @b0661 @galak
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  4. scripts: extract_dts_includes.py: extract compatible to EDTS database 

    Get compatible info available by EDTS.
This way the compatible info of all activated devices can be used in
drivers.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  5. scripts: edts: Add api to get device_ids based on compat 

    Added get_device_ids_by_compatible to EDTSConsumerMixin

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @galak
    galak committed Oct 25, 2018
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  6. scripts: extract_dts_includes.py: extract reg to EDTS database 

    Extend reg directive handling to fill the EDTS datanbase.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @b0661 @galak
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  7. scripts: extract_dts_includes.py: extract interrupts to EDTS database 

    Extend interrupts directive handling to fill the EDTS database.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
    @b0661 @galak
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  8. scripts: extract_dts_includes.py: default extract to EDTS database 

    Extend default directive handling to fill the EDTS database.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
    @b0661 @galak
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  9. scripts: edts: Add api to get device_id based on label 

    Added get_device_id_by_label to EDTSConsumerMixin

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @galak
    galak committed Oct 25, 2018
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  10. scripts: extract_dts_includes.py: extract clocks to EDTS database 

    Extend clocks directive handling to fill the EDTS database.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
    @b0661 @galak
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  11. scripts: extract_dts_includes.py: extract heuristics to EDTS database 

    Extend directive handling to use heuristics to fill the EDTS database.

heuristics was called when treating 'compatible' property
on the assumption it is mandatory.
Actually some nodes (children) don't have 'compatible', so
move heuristics out or properties parsing and process them
just before node properties treatment.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  12. scripts: extract_dts_includes: extract gpios to EDTS database 

    Extract gpio property for injection in EDTS.
Cleanup no more needed function from extract_dts_includes script

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @galak
    galak committed Oct 25, 2018
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  13. scripts: edts: Add api to get list of compatiables 

    Added get_compatibles to EDTSConsumerMixin

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @galak
    galak committed Oct 25, 2018
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  14. scrpits/dts: edts: add alias treatment for edts generation 

    Add an 'aliases' dict within generated edts.json and
fill in alias information when required in device-struct.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  15. scripts: edts: Add api to get list of aliases 

    Added get_aliases to EDTSConsumerMixin

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @galak
    galak committed Oct 25, 2018
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  16. scripts/dts: edts: insert chosen to edts database 

    Add chosen structure ti edts database

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
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  17. scripts: edts: Add api to get list of chosen 

    Added get_chosen to EDTSConsumerMixin

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @galak
    galak committed Oct 25, 2018
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  18. scripts/dts: edts: insert 'status' node property 

    Add 'status' in edts devices struct when available.
This operation is done as part of default class and called
before usual properties parsing since 'status' property
doesn't have binding.
Default class is modified in order not to generate #define
if def_label is set to None (hence limited to edts injection).

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  19. scripts/edts: inject device-type in edts database. 

    Extract and inject zephyr generic device-type in edts database.
This information is extracted from dts yaml bindings 'type' field.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  20. scripts: edts: Add api to get list of device types 

    Added get_device_types to EDTSConsumerMixin

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @galak
    galak committed Oct 25, 2018
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  21. scripts: edts: Fill-in 'controllers' views 

    Fill-in controllers hierarchy in edts database.
Aim is to provide a per controller complete hierarchized view
of the various controller types.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  22. scripts: edts: Add api to get list of controllers 

    Added get_controllers to EDTSConsumerMixin

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
    @galak
    galak committed Oct 25, 2018
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  23. scripts/dts: edts: Get children at their parent's 

    Nodes without compatible are children of ancestor node.
We want to inject these node in a children dict of parent node.
In order to detect them more easily split get_compat function
into get_node_compat and get_parent_compat.
Then, function generate_node_definitions in extract_dts_includes
script is modified to parse parents first then children so parents
are injected in edts first and ready to welcome their children.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  24. scripts/dts: edts: generate a unique id for each device 

    Generate a unique_id with the following format for each device:
<PARENT>_<COMPAT_PARENT>_<ADDRESS_NODE>_<COMPAT_NODE_ADDRESS>

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  25. dts: bindings: Add basic bindings dedicated to dts validation 

    Add 'refsoc' yaml dts bindings.
These bindings will be used in a refboard dts file which will
be the reference for dts/edts sanity checks.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  26. boards: Add refboard dummy board 

    Aim of this board is to provide a reference device tree that
will be used for dts/edts scripts sanity check.
While in theory this board does not use ARM architecture and should
have its own 'ref' arch, it is set under arm/ right now in order
to avoid providing a dedicated dummy arch.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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  27. scripts/dts: provide edts sanity check scripts 

    Validate generated etds.json against a reference edts file.
Script first checks edts structure then content of various elements
and finally devices parameters values.
This last step is done using a specific method for ref_edts
parameter extraction so we can verify behavior of
edtsdatabase class extraction function.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
    @erwango @galak
    erwango authored and galak committed Oct 25, 2018
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