It can be convenient to "iterate" over the elements of a property, in
the same way it is convenient to "iterate" over enabled instances.
Add a new macro for doing this, along with a DT_INST_FOREACH_PROP_ELEM
variant.
This is likely to be more convenient than UTIL_LISTIFY or FOR_EACH in
some situations because:
- it handles inputs of any length
- compiler error messages will be shorter and more self-contained
- it is easier to use with phandle-array type properties, which
require more complicated macro boilerplate when used with
util_macro.h APIs
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Make sure that child bindings with their own compatibles are treated
as first-class bindings. Do this by making sure that nodes whose
bindings are defined via 'child-binding:' are picked up as bus nodes,
instead of a parent bus node of the same type.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
This returns the node identifier for a node's bus. For example, for a
device on an I2C bus, it would return a node identifier for the I2C
bus controller.
We already have a DT_BUS() and DT_INST_BUS_LABEL(), but there hasn't
been a request or need for DT_INST_BUS() up until now, so it didn't
exist yet.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
These need to be gpio controllers and have the necessary specifier
properties for use in gpio specifiers.
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
The DTS language permits zeroing out phandles in a phandle array to
say "there's nothing at this index", and dtlib manages that correctly,
but edtlib and gen_defines.py aren't equipped to do so.
Fix this by allowing None elements in the lists of ControllerAndData
values returned by edtlib for such properties.
Handle that in gen_defines.py by setting the generated
DT_N_<node>_P_<prop>_IDX_<i>_EXISTS macro to 0 in such cases.
The DT_N_<node>_P_<prop>_LEN macro still accounts for the entire
length of the phandle-array; it's just that some indexes may be
missing data.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Test macro DT_PROP_BY_PHANDLE_IDX_OR. There are two tests, one when
the property exists and other when the property is not set.
Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
Add the first API functions that directly deal with node dependency
ordinals as determined by edtlib:
- DT_DEP_ORD(node_id): node_id's ordinal
- DT_REQUIRES_DEP_ORDS(node_id): list of dep ordinals for node_id's
direct dependencies
- DT_SUPPORTS_DEP_ORDS(node_id): list of dep ordinals for nodes
depending directly on node_id
- DT_INST_ equivalents
This is not meant to be an exhaustive set of macros related to
dependency ordinals; rather, it's a starting out point meant to enable
initial struct device dependency tracking work. We can add more if
needed.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
In case a "required: False" enum binding doesn't mention a
default value, but a default value makes sense to be set in the code,
DT_ENUM_IDX_OR could be used to provide the default idx to be used.
New macro comes with appropriate tests.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This is preparation for an additional test suite specifically for the
legacy API which will be added next.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
