blob: f8d6e1e6c40f0150bf7d263e46310989483e5195 [file] [log] [blame]
Alper Nebi Yasake7122452021-05-19 19:33:31 +03001// SPDX-License-Identifier: GPL-2.0+
2
3#include <common.h>
4#include <cros_ec.h>
5#include <dm.h>
6#include <pwm.h>
7#include <asm/test.h>
8#include <dm/test.h>
9#include <test/test.h>
10#include <test/ut.h>
11
12static int dm_test_cros_ec_pwm(struct unit_test_state *uts)
13{
14 struct udevice *pwm;
15 struct udevice *ec;
16 uint duty;
17
18 ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "cros-ec-pwm", &pwm));
19 ut_assertnonnull(pwm);
20 ec = dev_get_parent(pwm);
21 ut_assertnonnull(ec);
22
23 ut_assertok(pwm_set_config(pwm, 0, 100, 50));
24 ut_assertok(pwm_set_enable(pwm, 0, true));
25 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
26 ut_asserteq(50 * EC_PWM_MAX_DUTY / 100, duty);
27
28 ut_assertok(pwm_set_config(pwm, 0, 15721, 2719));
29 ut_assertok(pwm_set_enable(pwm, 0, true));
30 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
31 ut_asserteq(2719 * EC_PWM_MAX_DUTY / 15721, duty);
32
33 ut_assertok(pwm_set_enable(pwm, 0, false));
34 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
35 ut_asserteq(0, duty);
36
37 ut_assertok(pwm_set_enable(pwm, 0, true));
38 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
39 ut_asserteq(2719 * EC_PWM_MAX_DUTY / 15721, duty);
40
41 ut_assertok(pwm_set_config(pwm, 1, 1000, 0));
42 ut_assertok(pwm_set_enable(pwm, 1, true));
43 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 1, &duty));
44 ut_asserteq(0, duty);
45
46 ut_assertok(pwm_set_config(pwm, 2, 1000, 1024));
47 ut_assertok(pwm_set_enable(pwm, 2, true));
48 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 2, &duty));
49 ut_asserteq(EC_PWM_MAX_DUTY, duty);
50
51 ut_assertok(pwm_set_config(pwm, 3, EC_PWM_MAX_DUTY, 0xABCD));
52 ut_assertok(pwm_set_enable(pwm, 3, true));
53 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 3, &duty));
54 ut_asserteq(0xABCD, duty);
55
56 ut_asserteq(-EINVAL, pwm_set_enable(pwm, 4, true));
57
58 return 0;
59}
60DM_TEST(dm_test_cros_ec_pwm, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);