cros_ec_pwm.c 1.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
  1. // SPDX-License-Identifier: GPL-2.0+
  2. #include <common.h>
  3. #include <cros_ec.h>
  4. #include <dm.h>
  5. #include <pwm.h>
  6. #include <asm/test.h>
  7. #include <dm/test.h>
  8. #include <test/test.h>
  9. #include <test/ut.h>
  10. static int dm_test_cros_ec_pwm(struct unit_test_state *uts)
  11. {
  12. struct udevice *pwm;
  13. struct udevice *ec;
  14. uint duty;
  15. ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "cros-ec-pwm", &pwm));
  16. ut_assertnonnull(pwm);
  17. ec = dev_get_parent(pwm);
  18. ut_assertnonnull(ec);
  19. ut_assertok(pwm_set_config(pwm, 0, 100, 50));
  20. ut_assertok(pwm_set_enable(pwm, 0, true));
  21. ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
  22. ut_asserteq(50 * EC_PWM_MAX_DUTY / 100, duty);
  23. ut_assertok(pwm_set_config(pwm, 0, 15721, 2719));
  24. ut_assertok(pwm_set_enable(pwm, 0, true));
  25. ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
  26. ut_asserteq(2719 * EC_PWM_MAX_DUTY / 15721, duty);
  27. ut_assertok(pwm_set_enable(pwm, 0, false));
  28. ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
  29. ut_asserteq(0, duty);
  30. ut_assertok(pwm_set_enable(pwm, 0, true));
  31. ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
  32. ut_asserteq(2719 * EC_PWM_MAX_DUTY / 15721, duty);
  33. ut_assertok(pwm_set_config(pwm, 1, 1000, 0));
  34. ut_assertok(pwm_set_enable(pwm, 1, true));
  35. ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 1, &duty));
  36. ut_asserteq(0, duty);
  37. ut_assertok(pwm_set_config(pwm, 2, 1000, 1024));
  38. ut_assertok(pwm_set_enable(pwm, 2, true));
  39. ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 2, &duty));
  40. ut_asserteq(EC_PWM_MAX_DUTY, duty);
  41. ut_assertok(pwm_set_config(pwm, 3, EC_PWM_MAX_DUTY, 0xABCD));
  42. ut_assertok(pwm_set_enable(pwm, 3, true));
  43. ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 3, &duty));
  44. ut_asserteq(0xABCD, duty);
  45. ut_asserteq(-EINVAL, pwm_set_enable(pwm, 4, true));
  46. return 0;
  47. }
  48. DM_TEST(dm_test_cros_ec_pwm, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);