diff options
Diffstat (limited to 'test/dm/pwm.c')
| -rw-r--r-- | test/dm/pwm.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/dm/pwm.c b/test/dm/pwm.c new file mode 100644 index 00000000000..80133347ec7 --- /dev/null +++ b/test/dm/pwm.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017 Google, Inc + */ + +#include <dm.h> +#include <pwm.h> +#include <asm/test.h> +#include <dm/test.h> +#include <test/test.h> +#include <test/ut.h> + +/* Basic test of the pwm uclass */ +static int dm_test_pwm_base(struct unit_test_state *uts) +{ + struct udevice *dev; + uint period_ns; + uint duty_ns; + bool enable; + bool polarity; + + ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "pwm", &dev)); + ut_assertnonnull(dev); + ut_assertok(pwm_set_config(dev, 0, 100, 50)); + ut_assertok(pwm_set_enable(dev, 0, true)); + ut_assertok(pwm_set_enable(dev, 1, true)); + ut_assertok(pwm_set_enable(dev, 2, true)); + ut_asserteq(-ENOSPC, pwm_set_enable(dev, 3, true)); + ut_assertok(pwm_set_invert(dev, 0, true)); + + ut_assertok(pwm_set_config(dev, 2, 100, 50)); + ut_assertok(sandbox_pwm_get_config(dev, 2, &period_ns, &duty_ns, + &enable, &polarity)); + ut_asserteq(period_ns, 4096); + ut_asserteq(duty_ns, 50 * 4096 / 100); + + ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev)); + ut_assertok(uclass_get_device(UCLASS_PWM, 1, &dev)); + ut_assertok(uclass_get_device(UCLASS_PWM, 2, &dev)); + ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PWM, 3, &dev)); + + return 0; +} +DM_TEST(dm_test_pwm_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); |