pinmux.c 1.7 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2020 Sean Anderson <seanga2@gmail.com>
  4. */
  5. #include <common.h>
  6. #include <dm.h>
  7. #include <dm/pinctrl.h>
  8. #include <dm/test.h>
  9. #include <test/ut.h>
  10. static int dm_test_pinmux(struct unit_test_state *uts)
  11. {
  12. char buf[64];
  13. struct udevice *dev;
  14. #define test_muxing(selector, expected) do { \
  15. ut_assertok(pinctrl_get_pin_muxing(dev, selector, buf, sizeof(buf))); \
  16. ut_asserteq_str(expected, (char *)&buf); \
  17. } while (0)
  18. ut_assertok(uclass_get_device_by_name(UCLASS_PINCTRL, "pinctrl", &dev));
  19. test_muxing(0, "UART TX.");
  20. test_muxing(1, "UART RX.");
  21. test_muxing(2, "I2S SCK.");
  22. test_muxing(3, "I2S SD.");
  23. test_muxing(4, "I2S WS.");
  24. test_muxing(5, "GPIO0 bias-pull-up input-disable.");
  25. test_muxing(6, "GPIO1 drive-open-drain.");
  26. test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  27. test_muxing(8, "GPIO3 bias-disable.");
  28. ut_assertok(pinctrl_select_state(dev, "alternate"));
  29. test_muxing(0, "I2C SCL drive-open-drain.");
  30. test_muxing(1, "I2C SDA drive-open-drain.");
  31. test_muxing(2, "SPI SCLK.");
  32. test_muxing(3, "SPI MOSI.");
  33. test_muxing(4, "SPI MISO.");
  34. test_muxing(5, "SPI CS0.");
  35. test_muxing(6, "SPI CS1.");
  36. test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  37. test_muxing(8, "GPIO3 bias-disable.");
  38. ut_assertok(pinctrl_select_state(dev, "0"));
  39. test_muxing(0, "I2C SCL drive-open-drain.");
  40. test_muxing(1, "I2C SDA drive-open-drain.");
  41. test_muxing(2, "I2S SCK.");
  42. test_muxing(3, "I2S SD.");
  43. test_muxing(4, "I2S WS.");
  44. test_muxing(5, "GPIO0 bias-pull-up input-disable.");
  45. test_muxing(6, "GPIO1 drive-open-drain.");
  46. test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  47. test_muxing(8, "GPIO3 bias-disable.");
  48. return 0;
  49. }
  50. DM_TEST(dm_test_pinmux, UT_TESTF_SCAN_FDT);