xref: /openbmc/u-boot/test/dm/syscon.c (revision 1d2c0506)
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 DECLARE_GLOBAL_DATA_PTR;
15 
16 /* Base test of system controllers */
17 static int dm_test_syscon_base(struct unit_test_state *uts)
18 {
19 	struct udevice *dev;
20 
21 	ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
22 	ut_asserteq(SYSCON0, dev->driver_data);
23 
24 	ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
25 	ut_asserteq(SYSCON1, dev->driver_data);
26 
27 	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_SYSCON, 2, &dev));
28 
29 	return 0;
30 }
31 DM_TEST(dm_test_syscon_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
32 
33 /* Test system controller finding */
34 static int dm_test_syscon_by_driver_data(struct unit_test_state *uts)
35 {
36 	struct udevice *dev;
37 
38 	ut_assertok(syscon_get_by_driver_data(SYSCON0, &dev));
39 	ut_asserteq(SYSCON0, dev->driver_data);
40 
41 	ut_assertok(syscon_get_by_driver_data(SYSCON1, &dev));
42 	ut_asserteq(SYSCON1, dev->driver_data);
43 
44 	ut_asserteq(-ENODEV, syscon_get_by_driver_data(2, &dev));
45 
46 	return 0;
47 }
48 DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
49