xref: /openbmc/u-boot/test/dm/pwm.c (revision ef64e782)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2017 Google, Inc
4  */
5 
6 #include <common.h>
7 #include <dm.h>
8 #include <pwm.h>
9 #include <dm/test.h>
10 #include <test/ut.h>
11 
12 /* Basic test of the pwm uclass */
13 static int dm_test_pwm_base(struct unit_test_state *uts)
14 {
15 	struct udevice *dev;
16 
17 	ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev));
18 	ut_assertnonnull(dev);
19 	ut_assertok(pwm_set_config(dev, 0, 100, 50));
20 	ut_assertok(pwm_set_enable(dev, 0, true));
21 	ut_assertok(pwm_set_enable(dev, 1, true));
22 	ut_assertok(pwm_set_enable(dev, 2, true));
23 	ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true));
24 	ut_assertok(pwm_set_invert(dev, 0, true));
25 
26 	ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev));
27 	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 2, &dev));
28 
29 	return 0;
30 }
31 DM_TEST(dm_test_pwm_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
32