xref: /openbmc/u-boot/test/dm/pwm.c (revision 203e94f6)
1 /*
2  * Copyright (C) 2017 Google, Inc
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <pwm.h>
10 #include <dm/test.h>
11 #include <test/ut.h>
12 
13 DECLARE_GLOBAL_DATA_PTR;
14 
15 /* Basic test of the pwm uclass */
16 static int dm_test_pwm_base(struct unit_test_state *uts)
17 {
18 	struct udevice *dev;
19 
20 	ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev));
21 	ut_assertnonnull(dev);
22 	ut_assertok(pwm_set_config(dev, 0, 100, 50));
23 	ut_assertok(pwm_set_enable(dev, 0, true));
24 	ut_assertok(pwm_set_enable(dev, 1, true));
25 	ut_assertok(pwm_set_enable(dev, 2, true));
26 	ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true));
27 	ut_assertok(pwm_set_invert(dev, 0, true));
28 
29 	ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev));
30 	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 2, &dev));
31 
32 	return 0;
33 }
34 DM_TEST(dm_test_pwm_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
35