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scripts: extract_dts_inculdes: treat 'parent: bus' attribute

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When node has 'bus' as 'parent' attribute, change base label to
include parent address in label prefix.

Besides, generates a "_BUS_NAME" define which equals parent label.

Signed-Off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2017-11-20 16:43:20 +01:00 • committed by Kumar Gala
commit fa47748ca3
1 changed files with 63 additions and 5 deletions
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68
scripts/dts/extract_dts_includes.py
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@ -199,6 +199,19 @@ def find_parent_irq_node(node_address):
return reduced[phandles[interrupt_parent]]
def find_parent_prop(node_address, prop):
parent_address = ''
for comp in node_address.split('/')[1:-1]:
parent_address += '/' + comp
if prop in reduced[parent_address]['props']:
parent_prop = reduced[parent_address]['props'].get(prop)
else:
raise Exception("Parent of node " + node_address +
" has no " + prop + " property")
return parent_prop
def extract_interrupts(node_address, yaml, y_key, names, defs, def_label):
node = reduced[node_address]
@ -430,6 +443,10 @@ def extract_single(node_address, yaml, prop, key, prefix, defs, def_label):
else:
k = convert_string_to_label(key).upper()
label = def_label + '_' + k
if prop == 'parent-label':
prop = find_parent_prop(node_address, 'label')
if isinstance(prop, str):
prop = "\"" + prop + "\""
prop_def[label] = prop
@ -460,17 +477,58 @@ def extract_string_prop(node_address, yaml, key, label, defs):
return
def get_node_label(node_compat, node_address):
def_label = convert_string_to_label(node_compat.upper())
if '@' in node_address:
def_label += '_' + node_address.split('@')[-1].upper()
else:
def_label += convert_string_to_label(node_address.upper())
return def_label
def extract_property(node_compat, yaml, node_address, y_key, y_val, names,
prefix, defs, label_override):
if 'base_label' in yaml[node_compat]:
def_label = yaml[node_compat].get('base_label')
else:
def_label = convert_string_to_label(node_compat.upper())
if '@' in node_address:
def_label += '_' + node_address.split('@')[-1].upper()
else:
def_label += convert_string_to_label(node_address.upper())
def_label = get_node_label(node_compat, node_address)
if 'parent' in yaml[node_compat]:
if 'bus' in yaml[node_compat]['parent']:
# get parent label
parent_address = ''
for comp in node_address.split('/')[1:-1]:
parent_address += '/' + comp
#check parent has matching child bus value
try:
parent_yaml = \
yaml[reduced[parent_address]['props']['compatible']]
parent_bus = parent_yaml['child']['bus']
except (KeyError, TypeError) as e:
raise Exception(str(node_address) + " defines parent " +
str(parent_address) + " as bus master but " +
str(parent_address) + " not configured as bus master " +
"in yaml description")
if parent_bus != yaml[node_compat]['parent']['bus']:
bus_value = yaml[node_compat]['parent']['bus']
raise Exception(str(node_address) + " defines parent " +
str(parent_address) + " as " + bus_value +
" bus master but " + str(parent_address) +
" configured as " + str(parent_bus) +
" bus master")
# Use parent label to generate label
parent_label = get_node_label(
find_parent_prop(node_address,'compatible') , parent_address)
def_label = parent_label + '_' + def_label
# Generate bus-name define
extract_single(node_address, yaml, 'parent-label',
'bus-name', prefix, defs, def_label)
if label_override is not None:
def_label += '_' + label_override