test/dm/pwm.c

   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_assertok(pwm_set_config(dev, 0, 100, 50));
  22         ut_assertok(pwm_set_enable(dev, 0, true));
  23         ut_assertok(pwm_set_enable(dev, 1, true));
  24         ut_assertok(pwm_set_enable(dev, 2, true));
  25         ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true));
  26
  27         ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev));
  28         ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 2, &dev));
  29
  30         return 0;
  31 }
  32 DM_TEST(dm_test_pwm_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);