// SPDX-License-Identifier: GPL-2.0+ #include #include #include #include #include #include #include #include static int dm_test_cros_ec_pwm(struct unit_test_state *uts) { struct udevice *pwm; struct udevice *ec; uint duty; ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "cros-ec-pwm", &pwm)); ut_assertnonnull(pwm); ec = dev_get_parent(pwm); ut_assertnonnull(ec); ut_assertok(pwm_set_config(pwm, 0, 100, 50)); ut_assertok(pwm_set_enable(pwm, 0, true)); ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty)); ut_asserteq(50 * EC_PWM_MAX_DUTY / 100, duty); ut_assertok(pwm_set_config(pwm, 0, 15721, 2719)); ut_assertok(pwm_set_enable(pwm, 0, true)); ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty)); ut_asserteq(2719 * EC_PWM_MAX_DUTY / 15721, duty); ut_assertok(pwm_set_enable(pwm, 0, false)); ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty)); ut_asserteq(0, duty); ut_assertok(pwm_set_enable(pwm, 0, true)); ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty)); ut_asserteq(2719 * EC_PWM_MAX_DUTY / 15721, duty); ut_assertok(pwm_set_config(pwm, 1, 1000, 0)); ut_assertok(pwm_set_enable(pwm, 1, true)); ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 1, &duty)); ut_asserteq(0, duty); ut_assertok(pwm_set_config(pwm, 2, 1000, 1024)); ut_assertok(pwm_set_enable(pwm, 2, true)); ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 2, &duty)); ut_asserteq(EC_PWM_MAX_DUTY, duty); ut_assertok(pwm_set_config(pwm, 3, EC_PWM_MAX_DUTY, 0xABCD)); ut_assertok(pwm_set_enable(pwm, 3, true)); ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 3, &duty)); ut_asserteq(0xABCD, duty); ut_asserteq(-EINVAL, pwm_set_enable(pwm, 4, true)); return 0; } DM_TEST(dm_test_cros_ec_pwm, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);