clk.c 7.4 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2015 Google, Inc
  4. */
  5. #include <common.h>
  6. #include <clk.h>
  7. #include <dm.h>
  8. #include <malloc.h>
  9. #include <asm/clk.h>
  10. #include <dm/test.h>
  11. #include <dm/device-internal.h>
  12. #include <linux/err.h>
  13. #include <test/ut.h>
  14. /* Base test of the clk uclass */
  15. static int dm_test_clk_base(struct unit_test_state *uts)
  16. {
  17. struct udevice *dev;
  18. struct clk clk_method1;
  19. struct clk clk_method2;
  20. /* Get the device using the clk device */
  21. ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", &dev));
  22. /* Get the same clk port in 2 different ways and compare */
  23. ut_assertok(clk_get_by_index(dev, 1, &clk_method1));
  24. ut_assertok(clk_get_by_index_nodev(dev_ofnode(dev), 1, &clk_method2));
  25. ut_asserteq(clk_is_match(&clk_method1, &clk_method2), true);
  26. ut_asserteq(clk_method1.id, clk_method2.id);
  27. return 0;
  28. }
  29. DM_TEST(dm_test_clk_base, DM_TESTF_SCAN_FDT);
  30. static int dm_test_clk(struct unit_test_state *uts)
  31. {
  32. struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
  33. ulong rate;
  34. ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
  35. &dev_fixed));
  36. ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
  37. &dev_fixed_factor));
  38. ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  39. &dev_clk));
  40. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  41. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  42. ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  43. ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  44. ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  45. &dev_test));
  46. ut_assertok(sandbox_clk_test_get(dev_test));
  47. ut_assertok(sandbox_clk_test_devm_get(dev_test));
  48. ut_assertok(sandbox_clk_test_valid(dev_test));
  49. ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  50. SANDBOX_CLK_TEST_ID_DEVM_NULL));
  51. ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  52. SANDBOX_CLK_TEST_ID_DEVM_NULL,
  53. 0));
  54. ut_asserteq(0, sandbox_clk_test_enable(dev_test,
  55. SANDBOX_CLK_TEST_ID_DEVM_NULL));
  56. ut_asserteq(0, sandbox_clk_test_disable(dev_test,
  57. SANDBOX_CLK_TEST_ID_DEVM_NULL));
  58. ut_asserteq(1234,
  59. sandbox_clk_test_get_rate(dev_test,
  60. SANDBOX_CLK_TEST_ID_FIXED));
  61. ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  62. SANDBOX_CLK_TEST_ID_SPI));
  63. ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  64. SANDBOX_CLK_TEST_ID_I2C));
  65. ut_asserteq(321, sandbox_clk_test_get_rate(dev_test,
  66. SANDBOX_CLK_TEST_ID_DEVM1));
  67. ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  68. SANDBOX_CLK_TEST_ID_DEVM2));
  69. rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
  70. 12345);
  71. ut_assert(IS_ERR_VALUE(rate));
  72. rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
  73. ut_asserteq(1234, rate);
  74. ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  75. SANDBOX_CLK_TEST_ID_SPI,
  76. 1000));
  77. ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  78. SANDBOX_CLK_TEST_ID_I2C,
  79. 2000));
  80. ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
  81. SANDBOX_CLK_TEST_ID_SPI));
  82. ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
  83. SANDBOX_CLK_TEST_ID_I2C));
  84. ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
  85. SANDBOX_CLK_TEST_ID_SPI,
  86. 10000));
  87. ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
  88. SANDBOX_CLK_TEST_ID_I2C,
  89. 20000));
  90. rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
  91. ut_assert(IS_ERR_VALUE(rate));
  92. rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
  93. ut_assert(IS_ERR_VALUE(rate));
  94. ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
  95. SANDBOX_CLK_TEST_ID_SPI));
  96. ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
  97. SANDBOX_CLK_TEST_ID_I2C));
  98. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  99. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  100. ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  101. ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  102. ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
  103. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  104. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  105. ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
  106. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  107. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  108. ut_assertok(sandbox_clk_test_disable(dev_test,
  109. SANDBOX_CLK_TEST_ID_SPI));
  110. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  111. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  112. ut_assertok(sandbox_clk_test_disable(dev_test,
  113. SANDBOX_CLK_TEST_ID_I2C));
  114. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  115. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  116. ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
  117. SANDBOX_CLK_ID_SPI));
  118. ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
  119. SANDBOX_CLK_ID_I2C));
  120. ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
  121. SANDBOX_CLK_ID_UART2));
  122. ut_assertok(sandbox_clk_test_free(dev_test));
  123. ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
  124. SANDBOX_CLK_ID_SPI));
  125. ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
  126. SANDBOX_CLK_ID_I2C));
  127. ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
  128. SANDBOX_CLK_ID_UART2));
  129. ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
  130. SANDBOX_CLK_ID_UART1));
  131. ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
  132. ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
  133. SANDBOX_CLK_ID_UART1));
  134. return 0;
  135. }
  136. DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
  137. static int dm_test_clk_bulk(struct unit_test_state *uts)
  138. {
  139. struct udevice *dev_clk, *dev_test;
  140. ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  141. &dev_clk));
  142. ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  143. &dev_test));
  144. ut_assertok(sandbox_clk_test_get_bulk(dev_test));
  145. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  146. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  147. /* Fixed clock does not support enable, thus should not fail */
  148. ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
  149. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  150. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  151. /* Fixed clock does not support disable, thus should not fail */
  152. ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
  153. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  154. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  155. /* Fixed clock does not support enable, thus should not fail */
  156. ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
  157. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  158. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  159. /* Fixed clock does not support disable, thus should not fail */
  160. ut_assertok(sandbox_clk_test_release_bulk(dev_test));
  161. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  162. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  163. ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
  164. return 0;
  165. }
  166. DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);