74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
#
|
|
# Copyright (c) 2018 Bobby Noelte
|
|
#
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
#
|
|
|
|
from extract.globals import *
|
|
from extract.directive import DTDirective
|
|
|
|
##
|
|
# @brief Manage pinctrl-x directive.
|
|
#
|
|
class DTPinCtrl(DTDirective):
|
|
|
|
def __init__(self):
|
|
pass
|
|
|
|
##
|
|
# @brief Extract pinctrl information.
|
|
#
|
|
# @param node_address Address of node owning the pinctrl definition.
|
|
# @param yaml YAML definition for the owning node.
|
|
# @param prop pinctrl-x key
|
|
# @param names Names assigned to pinctrl state pinctrl-<index>.
|
|
# @param[out] defs Property definitions for each node address
|
|
# @param def_label Define label string of client node owning the pinctrl
|
|
# definition.
|
|
#
|
|
def extract(self, node_address, yaml, prop, names, defs, def_label):
|
|
|
|
pinconf = reduced[node_address]['props'][prop]
|
|
|
|
prop_list = []
|
|
if not isinstance(pinconf, list):
|
|
prop_list.append(pinconf)
|
|
else:
|
|
prop_list = list(pinconf)
|
|
|
|
def_prefix = def_label.split('_')
|
|
|
|
prop_def = {}
|
|
for p in prop_list:
|
|
pin_node_address = phandles[p]
|
|
pin_subnode = '/'.join(pin_node_address.split('/')[-1:])
|
|
cell_yaml = yaml[get_compat(pin_node_address)]
|
|
cell_prefix = 'PINMUX'
|
|
post_fix = []
|
|
|
|
if cell_prefix is not None:
|
|
post_fix.append(cell_prefix)
|
|
|
|
for subnode in reduced.keys():
|
|
if pin_subnode in subnode and pin_node_address != subnode:
|
|
# found a subnode underneath the pinmux handle
|
|
pin_label = def_prefix + post_fix + subnode.split('/')[-2:]
|
|
|
|
for i, cells in enumerate(reduced[subnode]['props']):
|
|
key_label = list(pin_label) + \
|
|
[cell_yaml['#cells'][0]] + [str(i)]
|
|
func_label = key_label[:-2] + \
|
|
[cell_yaml['#cells'][1]] + [str(i)]
|
|
key_label = convert_string_to_label('_'.join(key_label))
|
|
func_label = convert_string_to_label('_'.join(func_label))
|
|
|
|
prop_def[key_label] = cells
|
|
prop_def[func_label] = \
|
|
reduced[subnode]['props'][cells]
|
|
|
|
insert_defs(node_address, defs, prop_def, {})
|
|
|
|
##
|
|
# @brief Management information for pinctrl-[x].
|
|
pinctrl = DTPinCtrl()
|