script to generate si5338 initialization DT data from SiLabs ClockBuilder(tm) output

helpers/si5338_register_map_dts.py

+#!/usr/bin/env python
+#***************************************************************************
+# FILE NAME  : si5338_register_map_dts.py
+# DESCRIPTION: convert si5338 register map file generated by Silicon Labs
+# ClockBuilder(tm) Desktop Software into a device tree fragment, compatible
+# with drivers/misc/si5338.c
+# AUTHOR: Oleg Dzhimiev <oleg@elphel.com>
+# Copyright (C) 2013 Elphel, Inc
+# -----------------------------------------------------------------------------**
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  The four essential freedoms with GNU GPL software:
+#  * to run the program for any purpose
+#  * to study how the program works and change it to make it do what you wish
+#  * to redistribute copies so you can help your neighbor
+#  * to distribute copies of your modified versions to others
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# -----------------------------------------------------------------------------**
+
+__author__ = "Oleg Dzhimiev"
+__copyright__ = "Copyright 2013, Elphel, Inc."
+__license__ = "GPL"
+__version__ = "3.0+"
+__maintainer__ = "Oleg Dzhimiev"
+__email__ = "oleg@elphel.com"
+__status__ = "Development"
+
+import sys
+
+try:
+    File = sys.argv[1]
+except IndexError:
+    print '''
+Usage - terminal:
+  a) ./register_map_dts.py <file>
+  b) python register_map_dts.py <file>
+  where <file> is a *.h generated by Si5338 ClockBuilder
+Example:
+  ./register_map_dts.py register_map.h
+Output:
+  <file>.dts
+'''
+    sys.exit()
+
+dts_record_start = '''ps7_axi_interconnect_0: amba@0 {
+	ps7_i2c_0: ps7-i2c@e0004000 {
+		si5338@70 {
+			compatible = "sil,si5338";
+			reg = <0x70>;
+			si5338,init="always"; /* initialize PLL, wait for lock. Other option is 'if off'*/
+			si5338,configuration_data=<
+			'''
+dts_record_end = '''
+			>;
+		};
+	};
+};
+'''
+
+class RegisterMapParser:
+    def __init__(self,File):
+	self.File = File
+
+    def generate_dts(self):
+        print "Parsing "+self.File+".\n"
+        i,page,tmpstr = 0,0,""
+        with open(self.File,'r') as f_r:
+            for line in f_r:
+                if line[0]=='{':
+#                    i+=1
+                    line = line[line.find('{')+1:line.find('}')]
+                    values = line.split(',')
+                    if values[0]=='255':
+                        page = int(values[1],16)
+                    else:
+                        if int(values[2],16) != 0 :
+                            result = hex(((256*page+int(values[0]))<<16)+(int(values[1],16)<<8)+int(values[2],16))
+                            tmpstr += result+" "
+                            i+=1
+                            if i%8==0 : tmpstr += "\n\t\t\t"
+        return tmpstr
+
+Parser = RegisterMapParser(File)
+
+with open(File+".dts",'w') as f_w:
+  f_w.write(dts_record_start+Parser.generate_dts()+dts_record_end)
+
+
+