xref: /openbmc/u-boot/test/dm/syscon.c (revision 63e22517)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2015 Google, Inc
4  */
5 
6 #include <common.h>
7 #include <dm.h>
8 #include <syscon.h>
9 #include <asm/test.h>
10 #include <dm/test.h>
11 #include <test/ut.h>
12 
13 /* Base test of system controllers */
14 static int dm_test_syscon_base(struct unit_test_state *uts)
15 {
16 	struct udevice *dev;
17 
18 	ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
19 	ut_asserteq(SYSCON0, dev->driver_data);
20 
21 	ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
22 	ut_asserteq(SYSCON1, dev->driver_data);
23 
24 	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
25 
26 	return 0;
27 }
28 DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
29 
30 /* Test system controller finding */
31 static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
32 {
33 	struct udevice *dev;
34 
35 	ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
36 	ut_asserteq(SYSCON0, dev->driver_data);
37 
38 	ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
39 	ut_asserteq(SYSCON1, dev->driver_data);
40 
41 	ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
42 
43 	return 0;
44 }
45 DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
46