xref: /openbmc/u-boot/test/dm/syscon.c (revision 3559028c)
1 /*
2  * Copyright (C) 2015 Google, Inc
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <syscon.h>
10 #include <asm/test.h>
11 #include <dm/test.h>
12 #include <test/ut.h>
13 
14 /* Base test of system controllers */
15 static int dm_test_syscon_base(struct unit_test_state *uts)
16 {
17 	struct udevice *dev;
18 
19 	ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
20 	ut_asserteq(SYSCON0, dev->driver_data);
21 
22 	ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
23 	ut_asserteq(SYSCON1, dev->driver_data);
24 
25 	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
26 
27 	return 0;
28 }
29 DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
30 
31 /* Test system controller finding */
32 static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
33 {
34 	struct udevice *dev;
35 
36 	ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
37 	ut_asserteq(SYSCON0, dev->driver_data);
38 
39 	ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
40 	ut_asserteq(SYSCON1, dev->driver_data);
41 
42 	ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
43 
44 	return 0;
45 }
46 DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
47