diff --git a/tools/dtoc/test_dtoc.py b/tools/dtoc/test_dtoc.py
index 8498e8303c..7e8947d4af 100755
--- a/tools/dtoc/test_dtoc.py
+++ b/tools/dtoc/test_dtoc.py
@@ -47,7 +47,9 @@ C_HEADER = '''/*
 #include <dt-structs.h>
 '''
 
-
+C_EMPTY_POPULATE_PHANDLE_DATA = '''void populate_phandle_data(void) {
+}
+'''
 
 def get_dtb_file(dts_fname, capture_stderr=False):
     """Compile a .dts file to a .dtb
@@ -162,7 +164,7 @@ class TestDtoc(unittest.TestCase):
         dtb_platdata.run_steps(['platdata'], dtb_file, False, output)
         with open(output) as infile:
             lines = infile.read().splitlines()
-        self.assertEqual(C_HEADER.splitlines() + [''], lines)
+        self.assertEqual(C_HEADER.splitlines() + [''] + C_EMPTY_POPULATE_PHANDLE_DATA.splitlines(), lines)
 
     def test_simple(self):
         """Test output from some simple nodes with various types of data"""
@@ -197,7 +199,7 @@ struct dtd_sandbox_spl_test_2 {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_sandbox_spl_test dtv_spl_test = {
+static struct dtd_sandbox_spl_test dtv_spl_test = {
 \t.boolval\t\t= true,
 \t.bytearray\t\t= {0x6, 0x0, 0x0},
 \t.byteval\t\t= 0x5,
@@ -213,9 +215,10 @@ U_BOOT_DEVICE(spl_test) = {
 \t.name\t\t= "sandbox_spl_test",
 \t.platdata\t= &dtv_spl_test,
 \t.platdata_size\t= sizeof(dtv_spl_test),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_sandbox_spl_test dtv_spl_test2 = {
+static struct dtd_sandbox_spl_test dtv_spl_test2 = {
 \t.bytearray\t\t= {0x1, 0x23, 0x34},
 \t.byteval\t\t= 0x8,
 \t.intarray\t\t= {0x5, 0x0, 0x0, 0x0},
@@ -229,34 +232,38 @@ U_BOOT_DEVICE(spl_test2) = {
 \t.name\t\t= "sandbox_spl_test",
 \t.platdata\t= &dtv_spl_test2,
 \t.platdata_size\t= sizeof(dtv_spl_test2),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_sandbox_spl_test dtv_spl_test3 = {
+static struct dtd_sandbox_spl_test dtv_spl_test3 = {
 \t.stringarray\t\t= {"one", "", ""},
 };
 U_BOOT_DEVICE(spl_test3) = {
 \t.name\t\t= "sandbox_spl_test",
 \t.platdata\t= &dtv_spl_test3,
 \t.platdata_size\t= sizeof(dtv_spl_test3),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_sandbox_spl_test_2 dtv_spl_test4 = {
+static struct dtd_sandbox_spl_test_2 dtv_spl_test4 = {
 };
 U_BOOT_DEVICE(spl_test4) = {
 \t.name\t\t= "sandbox_spl_test_2",
 \t.platdata\t= &dtv_spl_test4,
 \t.platdata_size\t= sizeof(dtv_spl_test4),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_sandbox_i2c_test dtv_i2c_at_0 = {
+static struct dtd_sandbox_i2c_test dtv_i2c_at_0 = {
 };
 U_BOOT_DEVICE(i2c_at_0) = {
 \t.name\t\t= "sandbox_i2c_test",
 \t.platdata\t= &dtv_i2c_at_0,
 \t.platdata_size\t= sizeof(dtv_i2c_at_0),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_sandbox_pmic_test dtv_pmic_at_9 = {
+static struct dtd_sandbox_pmic_test dtv_pmic_at_9 = {
 \t.low_power\t\t= true,
 \t.reg\t\t\t= {0x9, 0x0},
 };
@@ -264,9 +271,10 @@ U_BOOT_DEVICE(pmic_at_9) = {
 \t.name\t\t= "sandbox_pmic_test",
 \t.platdata\t= &dtv_pmic_at_9,
 \t.platdata_size\t= sizeof(dtv_pmic_at_9),
+\t.dev\t\t= NULL,
 };
 
-''', data)
+''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
 
     def test_phandle(self):
         """Test output from a node containing a phandle reference"""
@@ -288,56 +296,68 @@ struct dtd_target {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_target dtv_phandle_target = {
+static struct dtd_target dtv_phandle_target = {
 \t.intval\t\t\t= 0x0,
 };
 U_BOOT_DEVICE(phandle_target) = {
 \t.name\t\t= "target",
 \t.platdata\t= &dtv_phandle_target,
 \t.platdata_size\t= sizeof(dtv_phandle_target),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_target dtv_phandle2_target = {
+static struct dtd_target dtv_phandle2_target = {
 \t.intval\t\t\t= 0x1,
 };
 U_BOOT_DEVICE(phandle2_target) = {
 \t.name\t\t= "target",
 \t.platdata\t= &dtv_phandle2_target,
 \t.platdata_size\t= sizeof(dtv_phandle2_target),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_target dtv_phandle3_target = {
+static struct dtd_target dtv_phandle3_target = {
 \t.intval\t\t\t= 0x2,
 };
 U_BOOT_DEVICE(phandle3_target) = {
 \t.name\t\t= "target",
 \t.platdata\t= &dtv_phandle3_target,
 \t.platdata_size\t= sizeof(dtv_phandle3_target),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_source dtv_phandle_source = {
+static struct dtd_source dtv_phandle_source = {
 \t.clocks\t\t\t= {
-\t\t\t{&dtv_phandle_target, {}},
-\t\t\t{&dtv_phandle2_target, {11}},
-\t\t\t{&dtv_phandle3_target, {12, 13}},
-\t\t\t{&dtv_phandle_target, {}},},
+\t\t\t{NULL, {}},
+\t\t\t{NULL, {11}},
+\t\t\t{NULL, {12, 13}},
+\t\t\t{NULL, {}},},
 };
 U_BOOT_DEVICE(phandle_source) = {
 \t.name\t\t= "source",
 \t.platdata\t= &dtv_phandle_source,
 \t.platdata_size\t= sizeof(dtv_phandle_source),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_source dtv_phandle_source2 = {
+static struct dtd_source dtv_phandle_source2 = {
 \t.clocks\t\t\t= {
-\t\t\t{&dtv_phandle_target, {}},},
+\t\t\t{NULL, {}},},
 };
 U_BOOT_DEVICE(phandle_source2) = {
 \t.name\t\t= "source",
 \t.platdata\t= &dtv_phandle_source2,
 \t.platdata_size\t= sizeof(dtv_phandle_source2),
+\t.dev\t\t= NULL,
 };
 
+void populate_phandle_data(void) {
+\tdtv_phandle_source.clocks[0].node = DM_GET_DEVICE(phandle_target);
+\tdtv_phandle_source.clocks[1].node = DM_GET_DEVICE(phandle2_target);
+\tdtv_phandle_source.clocks[2].node = DM_GET_DEVICE(phandle3_target);
+\tdtv_phandle_source.clocks[3].node = DM_GET_DEVICE(phandle_target);
+\tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
+}
 ''', data)
 
     def test_phandle_single(self):
@@ -364,24 +384,29 @@ struct dtd_target {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_target dtv_phandle_target = {
+static struct dtd_target dtv_phandle_target = {
 };
 U_BOOT_DEVICE(phandle_target) = {
 \t.name\t\t= "target",
 \t.platdata\t= &dtv_phandle_target,
 \t.platdata_size\t= sizeof(dtv_phandle_target),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_source dtv_phandle_source2 = {
+static struct dtd_source dtv_phandle_source2 = {
 \t.clocks\t\t\t= {
-\t\t\t{&dtv_phandle_target, {}},},
+\t\t\t{NULL, {}},},
 };
 U_BOOT_DEVICE(phandle_source2) = {
 \t.name\t\t= "source",
 \t.platdata\t= &dtv_phandle_source2,
 \t.platdata_size\t= sizeof(dtv_phandle_source2),
+\t.dev\t\t= NULL,
 };
 
+void populate_phandle_data(void) {
+\tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
+}
 ''', data)
 
     def test_phandle_bad(self):
@@ -423,16 +448,17 @@ struct dtd_compat1 {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_compat1 dtv_spl_test = {
+static struct dtd_compat1 dtv_spl_test = {
 \t.intval\t\t\t= 0x1,
 };
 U_BOOT_DEVICE(spl_test) = {
 \t.name\t\t= "compat1",
 \t.platdata\t= &dtv_spl_test,
 \t.platdata_size\t= sizeof(dtv_spl_test),
+\t.dev\t\t= NULL,
 };
 
-''', data)
+''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
 
     def test_addresses64(self):
         """Test output from a node with a 'reg' property with na=2, ns=2"""
@@ -457,34 +483,37 @@ struct dtd_test3 {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_test1 dtv_test1 = {
+static struct dtd_test1 dtv_test1 = {
 \t.reg\t\t\t= {0x1234, 0x5678},
 };
 U_BOOT_DEVICE(test1) = {
 \t.name\t\t= "test1",
 \t.platdata\t= &dtv_test1,
 \t.platdata_size\t= sizeof(dtv_test1),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_test2 dtv_test2 = {
+static struct dtd_test2 dtv_test2 = {
 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654},
 };
 U_BOOT_DEVICE(test2) = {
 \t.name\t\t= "test2",
 \t.platdata\t= &dtv_test2,
 \t.platdata_size\t= sizeof(dtv_test2),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_test3 dtv_test3 = {
+static struct dtd_test3 dtv_test3 = {
 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654, 0x2, 0x3},
 };
 U_BOOT_DEVICE(test3) = {
 \t.name\t\t= "test3",
 \t.platdata\t= &dtv_test3,
 \t.platdata_size\t= sizeof(dtv_test3),
+\t.dev\t\t= NULL,
 };
 
-''', data)
+''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
 
     def test_addresses32(self):
         """Test output from a node with a 'reg' property with na=1, ns=1"""
@@ -506,25 +535,27 @@ struct dtd_test2 {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_test1 dtv_test1 = {
+static struct dtd_test1 dtv_test1 = {
 \t.reg\t\t\t= {0x1234, 0x5678},
 };
 U_BOOT_DEVICE(test1) = {
 \t.name\t\t= "test1",
 \t.platdata\t= &dtv_test1,
 \t.platdata_size\t= sizeof(dtv_test1),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_test2 dtv_test2 = {
+static struct dtd_test2 dtv_test2 = {
 \t.reg\t\t\t= {0x12345678, 0x98765432, 0x2, 0x3},
 };
 U_BOOT_DEVICE(test2) = {
 \t.name\t\t= "test2",
 \t.platdata\t= &dtv_test2,
 \t.platdata_size\t= sizeof(dtv_test2),
+\t.dev\t\t= NULL,
 };
 
-''', data)
+''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
 
     def test_addresses64_32(self):
         """Test output from a node with a 'reg' property with na=2, ns=1"""
@@ -549,34 +580,37 @@ struct dtd_test3 {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_test1 dtv_test1 = {
+static struct dtd_test1 dtv_test1 = {
 \t.reg\t\t\t= {0x123400000000, 0x5678},
 };
 U_BOOT_DEVICE(test1) = {
 \t.name\t\t= "test1",
 \t.platdata\t= &dtv_test1,
 \t.platdata_size\t= sizeof(dtv_test1),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_test2 dtv_test2 = {
+static struct dtd_test2 dtv_test2 = {
 \t.reg\t\t\t= {0x1234567890123456, 0x98765432},
 };
 U_BOOT_DEVICE(test2) = {
 \t.name\t\t= "test2",
 \t.platdata\t= &dtv_test2,
 \t.platdata_size\t= sizeof(dtv_test2),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_test3 dtv_test3 = {
+static struct dtd_test3 dtv_test3 = {
 \t.reg\t\t\t= {0x1234567890123456, 0x98765432, 0x2, 0x3},
 };
 U_BOOT_DEVICE(test3) = {
 \t.name\t\t= "test3",
 \t.platdata\t= &dtv_test3,
 \t.platdata_size\t= sizeof(dtv_test3),
+\t.dev\t\t= NULL,
 };
 
-''', data)
+''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
 
     def test_addresses32_64(self):
         """Test output from a node with a 'reg' property with na=1, ns=2"""
@@ -601,34 +635,37 @@ struct dtd_test3 {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_test1 dtv_test1 = {
+static struct dtd_test1 dtv_test1 = {
 \t.reg\t\t\t= {0x1234, 0x567800000000},
 };
 U_BOOT_DEVICE(test1) = {
 \t.name\t\t= "test1",
 \t.platdata\t= &dtv_test1,
 \t.platdata_size\t= sizeof(dtv_test1),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_test2 dtv_test2 = {
+static struct dtd_test2 dtv_test2 = {
 \t.reg\t\t\t= {0x12345678, 0x9876543210987654},
 };
 U_BOOT_DEVICE(test2) = {
 \t.name\t\t= "test2",
 \t.platdata\t= &dtv_test2,
 \t.platdata_size\t= sizeof(dtv_test2),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_test3 dtv_test3 = {
+static struct dtd_test3 dtv_test3 = {
 \t.reg\t\t\t= {0x12345678, 0x9876543210987654, 0x2, 0x3},
 };
 U_BOOT_DEVICE(test3) = {
 \t.name\t\t= "test3",
 \t.platdata\t= &dtv_test3,
 \t.platdata_size\t= sizeof(dtv_test3),
+\t.dev\t\t= NULL,
 };
 
-''', data)
+''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
 
     def test_bad_reg(self):
         """Test that a reg property with an invalid type generates an error"""
@@ -668,25 +705,27 @@ struct dtd_sandbox_spl_test {
         with open(output) as infile:
             data = infile.read()
         self._CheckStrings(C_HEADER + '''
-static const struct dtd_sandbox_spl_test dtv_spl_test = {
+static struct dtd_sandbox_spl_test dtv_spl_test = {
 \t.intval\t\t\t= 0x1,
 };
 U_BOOT_DEVICE(spl_test) = {
 \t.name\t\t= "sandbox_spl_test",
 \t.platdata\t= &dtv_spl_test,
 \t.platdata_size\t= sizeof(dtv_spl_test),
+\t.dev\t\t= NULL,
 };
 
-static const struct dtd_sandbox_spl_test dtv_spl_test2 = {
+static struct dtd_sandbox_spl_test dtv_spl_test2 = {
 \t.intarray\t\t= 0x5,
 };
 U_BOOT_DEVICE(spl_test2) = {
 \t.name\t\t= "sandbox_spl_test",
 \t.platdata\t= &dtv_spl_test2,
 \t.platdata_size\t= sizeof(dtv_spl_test2),
+\t.dev\t\t= NULL,
 };
 
-''', data)
+''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
 
     def testStdout(self):
         """Test output to stdout"""
