git.sur5r.net Git - u-boot/blob - test/dm/clk.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2015 Google, Inc
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <asm/clk.h>
   9 #include <dm/test.h>
  10 #include <linux/err.h>
  11 #include <test/ut.h>
  12
  13 static int dm_test_clk(struct unit_test_state *uts)
  14 {
  15         struct udevice *dev_fixed, *dev_clk, *dev_test;
  16         ulong rate;
  17
  18         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
  19                                               &dev_fixed));
  20
  21         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  22                                               &dev_clk));
  23         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  24         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  25         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  26         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  27
  28         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  29                                               &dev_test));
  30         ut_assertok(sandbox_clk_test_get(dev_test));
  31
  32         ut_asserteq(1234,
  33                     sandbox_clk_test_get_rate(dev_test,
  34                                               SANDBOX_CLK_TEST_ID_FIXED));
  35         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  36                                                  SANDBOX_CLK_TEST_ID_SPI));
  37         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  38                                                  SANDBOX_CLK_TEST_ID_I2C));
  39
  40         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
  41                                          12345);
  42         ut_assert(IS_ERR_VALUE(rate));
  43         rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
  44         ut_asserteq(1234, rate);
  45
  46         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  47                                                  SANDBOX_CLK_TEST_ID_SPI,
  48                                                  1000));
  49         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  50                                                  SANDBOX_CLK_TEST_ID_I2C,
  51                                                  2000));
  52
  53         ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
  54                                                     SANDBOX_CLK_TEST_ID_SPI));
  55         ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
  56                                                     SANDBOX_CLK_TEST_ID_I2C));
  57
  58         ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
  59                                                     SANDBOX_CLK_TEST_ID_SPI,
  60                                                     10000));
  61         ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
  62                                                     SANDBOX_CLK_TEST_ID_I2C,
  63                                                     20000));
  64
  65         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
  66         ut_assert(IS_ERR_VALUE(rate));
  67         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
  68         ut_assert(IS_ERR_VALUE(rate));
  69
  70         ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
  71                                                      SANDBOX_CLK_TEST_ID_SPI));
  72         ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
  73                                                      SANDBOX_CLK_TEST_ID_I2C));
  74
  75         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  76         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  77         ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  78         ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  79
  80         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
  81         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  82         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  83
  84         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
  85         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  86         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  87
  88         ut_assertok(sandbox_clk_test_disable(dev_test,
  89                                              SANDBOX_CLK_TEST_ID_SPI));
  90         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  91         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  92
  93         ut_assertok(sandbox_clk_test_disable(dev_test,
  94                                              SANDBOX_CLK_TEST_ID_I2C));
  95         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  96         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  97
  98         ut_assertok(sandbox_clk_test_free(dev_test));
  99
 100         return 0;
 101 }
 102 DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
 103
 104 static int dm_test_clk_bulk(struct unit_test_state *uts)
 105 {
 106         struct udevice *dev_clk, *dev_test;
 107
 108         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
 109                                               &dev_clk));
 110         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
 111                                               &dev_test));
 112         ut_assertok(sandbox_clk_test_get_bulk(dev_test));
 113
 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
 117         /* Fixed clock does not support enable, thus should not fail */
 118         ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
 119         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 120         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 121
 122         /* Fixed clock does not support disable, thus should not fail */
 123         ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
 124         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 125         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 126
 127         /* Fixed clock does not support enable, thus should not fail */
 128         ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
 129         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 130         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 131
 132         /* Fixed clock does not support disable, thus should not fail */
 133         ut_assertok(sandbox_clk_test_release_bulk(dev_test));
 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
 137         return 0;
 138 }
 139 DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);