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scripts/kconfig: Introduce dt_node_ph_prop_path function

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Introduce dt_node_ph_prop_path function.
It  takes a node 'path' and a phandle property name
and returns the path to the pointed-to node.

Signed-off-by: Ioannis Damigos <ioannis.damigos.uj@renesas.com>
This commit is contained in:
Ioannis Damigos 2024-05-27 12:54:46 +03:00 • committed by David Leach
commit 285969c98c
1 changed files with 27 additions and 0 deletions
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27
scripts/kconfig/kconfigfunctions.py
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@ -657,6 +657,32 @@ def dt_node_ph_array_prop(kconf, name, path, prop, index, cell, unit=None):
if name == "dt_node_ph_array_prop_hex":
return hex(_node_ph_array_prop(node, prop, index, cell, unit))
def dt_node_ph_prop_path(kconf, name, path, prop):
"""
This function takes a 'path' and a property name ('prop') and
looks for an EDT node at that path. If it finds an EDT node,
it will look to see if that node has a property called 'prop'
and if that 'prop' is an phandle type. Then it will return the
path to the pointed-to node, or an empty string if there is
no such node.
"""
if doc_mode or edt is None:
return ""
try:
node = edt.get_node(path)
except edtlib.EDTError:
return ""
if prop not in node.props:
return ""
if node.props[prop].type != "phandle":
return ""
phandle = node.props[prop].val
return phandle.path if phandle else ""
def dt_node_str_prop_equals(kconf, _, path, prop, val):
"""
This function takes a 'path' and property name ('prop') looks for an EDT
@ -920,6 +946,7 @@ functions = {
"dt_node_array_prop_hex": (dt_node_array_prop, 3, 4),
"dt_node_ph_array_prop_int": (dt_node_ph_array_prop, 4, 5),
"dt_node_ph_array_prop_hex": (dt_node_ph_array_prop, 4, 5),
"dt_node_ph_prop_path": (dt_node_ph_prop_path, 2, 2),
"dt_node_str_prop_equals": (dt_node_str_prop_equals, 3, 3),
"dt_nodelabel_has_compat": (dt_nodelabel_has_compat, 2, 2),
"dt_node_has_compat": (dt_node_has_compat, 2, 2),