xref: /openbmc/u-boot/test/dm/pwm.c (revision 407b5b956a2e0facf6668fc8b295f4be9205c83e)
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