clk.c 8.2 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 <log.h>
  9. #include <malloc.h>
  10. #include <asm/clk.h>
  11. #include <dm/test.h>
  12. #include <dm/device-internal.h>
  13. #include <linux/err.h>
  14. #include <test/test.h>
  15. #include <test/ut.h>
  16. /* Base test of the clk uclass */
  17. static int dm_test_clk_base(struct unit_test_state *uts)
  18. {
  19. struct udevice *dev;
  20. struct clk clk_method1;
  21. struct clk clk_method2;
  22. /* Get the device using the clk device */
  23. ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", &dev));
  24. /* Get the same clk port in 2 different ways and compare */
  25. ut_assertok(clk_get_by_index(dev, 1, &clk_method1));
  26. ut_assertok(clk_get_by_index_nodev(dev_ofnode(dev), 1, &clk_method2));
  27. ut_asserteq(clk_is_match(&clk_method1, &clk_method2), true);
  28. ut_asserteq(clk_method1.id, clk_method2.id);
  29. return 0;
  30. }
  31. DM_TEST(dm_test_clk_base, UT_TESTF_SCAN_FDT);
  32. static int dm_test_clk(struct unit_test_state *uts)
  33. {
  34. struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
  35. ulong rate;
  36. ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
  37. &dev_fixed));
  38. ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
  39. &dev_fixed_factor));
  40. ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  41. &dev_clk));
  42. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  43. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  44. ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  45. ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  46. ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  47. &dev_test));
  48. ut_assertok(sandbox_clk_test_get(dev_test));
  49. ut_assertok(sandbox_clk_test_devm_get(dev_test));
  50. ut_assertok(sandbox_clk_test_valid(dev_test));
  51. ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  52. SANDBOX_CLK_TEST_ID_DEVM_NULL));
  53. ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  54. SANDBOX_CLK_TEST_ID_DEVM_NULL,
  55. 0));
  56. ut_asserteq(0, sandbox_clk_test_enable(dev_test,
  57. SANDBOX_CLK_TEST_ID_DEVM_NULL));
  58. ut_asserteq(0, sandbox_clk_test_disable(dev_test,
  59. SANDBOX_CLK_TEST_ID_DEVM_NULL));
  60. ut_asserteq(1234,
  61. sandbox_clk_test_get_rate(dev_test,
  62. SANDBOX_CLK_TEST_ID_FIXED));
  63. ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  64. SANDBOX_CLK_TEST_ID_SPI));
  65. ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  66. SANDBOX_CLK_TEST_ID_I2C));
  67. ut_asserteq(321, sandbox_clk_test_get_rate(dev_test,
  68. SANDBOX_CLK_TEST_ID_DEVM1));
  69. ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  70. SANDBOX_CLK_TEST_ID_DEVM2));
  71. rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
  72. 12345);
  73. ut_assert(IS_ERR_VALUE(rate));
  74. rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
  75. ut_asserteq(1234, rate);
  76. ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  77. SANDBOX_CLK_TEST_ID_SPI,
  78. 1000));
  79. ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  80. SANDBOX_CLK_TEST_ID_I2C,
  81. 2000));
  82. ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
  83. SANDBOX_CLK_TEST_ID_SPI));
  84. ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
  85. SANDBOX_CLK_TEST_ID_I2C));
  86. ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
  87. SANDBOX_CLK_TEST_ID_SPI,
  88. 10000));
  89. ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
  90. SANDBOX_CLK_TEST_ID_I2C,
  91. 20000));
  92. rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
  93. ut_assert(IS_ERR_VALUE(rate));
  94. rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
  95. ut_assert(IS_ERR_VALUE(rate));
  96. ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
  97. SANDBOX_CLK_TEST_ID_SPI));
  98. ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
  99. SANDBOX_CLK_TEST_ID_I2C));
  100. ut_asserteq(5000, sandbox_clk_test_round_rate(dev_test,
  101. SANDBOX_CLK_TEST_ID_SPI,
  102. 5000));
  103. ut_asserteq(7000, sandbox_clk_test_round_rate(dev_test,
  104. SANDBOX_CLK_TEST_ID_I2C,
  105. 7000));
  106. ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
  107. SANDBOX_CLK_TEST_ID_SPI));
  108. ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
  109. SANDBOX_CLK_TEST_ID_I2C));
  110. rate = sandbox_clk_test_round_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
  111. ut_assert(IS_ERR_VALUE(rate));
  112. rate = sandbox_clk_test_round_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
  113. ut_assert(IS_ERR_VALUE(rate));
  114. ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
  115. SANDBOX_CLK_TEST_ID_SPI));
  116. ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
  117. SANDBOX_CLK_TEST_ID_I2C));
  118. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  119. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  120. ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  121. ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  122. ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
  123. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  124. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  125. ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
  126. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  127. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  128. ut_assertok(sandbox_clk_test_disable(dev_test,
  129. SANDBOX_CLK_TEST_ID_SPI));
  130. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  131. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  132. ut_assertok(sandbox_clk_test_disable(dev_test,
  133. SANDBOX_CLK_TEST_ID_I2C));
  134. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  135. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  136. ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
  137. SANDBOX_CLK_ID_SPI));
  138. ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
  139. SANDBOX_CLK_ID_I2C));
  140. ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
  141. SANDBOX_CLK_ID_UART2));
  142. ut_assertok(sandbox_clk_test_free(dev_test));
  143. ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
  144. SANDBOX_CLK_ID_SPI));
  145. ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
  146. SANDBOX_CLK_ID_I2C));
  147. ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
  148. SANDBOX_CLK_ID_UART2));
  149. ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
  150. SANDBOX_CLK_ID_UART1));
  151. ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
  152. ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
  153. SANDBOX_CLK_ID_UART1));
  154. return 0;
  155. }
  156. DM_TEST(dm_test_clk, UT_TESTF_SCAN_FDT);
  157. static int dm_test_clk_bulk(struct unit_test_state *uts)
  158. {
  159. struct udevice *dev_clk, *dev_test;
  160. ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  161. &dev_clk));
  162. ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  163. &dev_test));
  164. ut_assertok(sandbox_clk_test_get_bulk(dev_test));
  165. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  166. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  167. /* Fixed clock does not support enable, thus should not fail */
  168. ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
  169. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  170. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  171. /* Fixed clock does not support disable, thus should not fail */
  172. ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
  173. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  174. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  175. /* Fixed clock does not support enable, thus should not fail */
  176. ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
  177. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  178. ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  179. /* Fixed clock does not support disable, thus should not fail */
  180. ut_assertok(sandbox_clk_test_release_bulk(dev_test));
  181. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  182. ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  183. ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
  184. return 0;
  185. }
  186. DM_TEST(dm_test_clk_bulk, UT_TESTF_SCAN_FDT);