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 <clk.h>
   8 #include <dm.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
  15 /* Base test of the clk uclass */
  16 static int dm_test_clk_base(struct unit_test_state *uts)
  17 {
  18         struct udevice *dev;
  19         struct clk clk_method1;
  20         struct clk clk_method2;
  21
  22         /* Get the device using the clk device */
  23         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", &dev));
  24
  25         /* Get the same clk port in 2 different ways and compare */
  26         ut_assertok(clk_get_by_index(dev, 1, &clk_method1));
  27         ut_assertok(clk_get_by_index_nodev(dev_ofnode(dev), 1, &clk_method2));
  28         ut_asserteq(clk_is_match(&clk_method1, &clk_method2), true);
  29         ut_asserteq(clk_method1.id, clk_method2.id);
  30
  31         return 0;
  32 }
  33
  34 DM_TEST(dm_test_clk_base, DM_TESTF_SCAN_FDT);
  35
  36 static int dm_test_clk(struct unit_test_state *uts)
  37 {
  38         struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
  39         ulong rate;
  40
  41         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
  42                                               &dev_fixed));
  43
  44         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
  45                                               &dev_fixed_factor));
  46
  47         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  48                                               &dev_clk));
  49         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  50         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  51         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  52         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  53
  54         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  55                                               &dev_test));
  56         ut_assertok(sandbox_clk_test_get(dev_test));
  57         ut_assertok(sandbox_clk_test_devm_get(dev_test));
  58         ut_assertok(sandbox_clk_test_valid(dev_test));
  59
  60         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  61                                                  SANDBOX_CLK_TEST_ID_DEVM_NULL));
  62         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  63                                                  SANDBOX_CLK_TEST_ID_DEVM_NULL,
  64                                                  0));
  65         ut_asserteq(0, sandbox_clk_test_enable(dev_test,
  66                                                SANDBOX_CLK_TEST_ID_DEVM_NULL));
  67         ut_asserteq(0, sandbox_clk_test_disable(dev_test,
  68                                                 SANDBOX_CLK_TEST_ID_DEVM_NULL));
  69
  70         ut_asserteq(1234,
  71                     sandbox_clk_test_get_rate(dev_test,
  72                                               SANDBOX_CLK_TEST_ID_FIXED));
  73         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  74                                                  SANDBOX_CLK_TEST_ID_SPI));
  75         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  76                                                  SANDBOX_CLK_TEST_ID_I2C));
  77         ut_asserteq(321, sandbox_clk_test_get_rate(dev_test,
  78                                                    SANDBOX_CLK_TEST_ID_DEVM1));
  79         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  80                                                  SANDBOX_CLK_TEST_ID_DEVM2));
  81
  82         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
  83                                          12345);
  84         ut_assert(IS_ERR_VALUE(rate));
  85         rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
  86         ut_asserteq(1234, rate);
  87
  88         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  89                                                  SANDBOX_CLK_TEST_ID_SPI,
  90                                                  1000));
  91         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  92                                                  SANDBOX_CLK_TEST_ID_I2C,
  93                                                  2000));
  94
  95         ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
  96                                                     SANDBOX_CLK_TEST_ID_SPI));
  97         ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
  98                                                     SANDBOX_CLK_TEST_ID_I2C));
  99
 100         ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
 101                                                     SANDBOX_CLK_TEST_ID_SPI,
 102                                                     10000));
 103         ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
 104                                                     SANDBOX_CLK_TEST_ID_I2C,
 105                                                     20000));
 106
 107         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
 108         ut_assert(IS_ERR_VALUE(rate));
 109         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
 110         ut_assert(IS_ERR_VALUE(rate));
 111
 112         ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
 113                                                      SANDBOX_CLK_TEST_ID_SPI));
 114         ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
 115                                                      SANDBOX_CLK_TEST_ID_I2C));
 116
 117         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 118         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 119         ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
 120         ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
 121
 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
 126         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
 127         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 128         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 129
 130         ut_assertok(sandbox_clk_test_disable(dev_test,
 131                                              SANDBOX_CLK_TEST_ID_SPI));
 132         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 133         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 134
 135         ut_assertok(sandbox_clk_test_disable(dev_test,
 136                                              SANDBOX_CLK_TEST_ID_I2C));
 137         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 138         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 139
 140         ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
 141                                                    SANDBOX_CLK_ID_SPI));
 142         ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
 143                                                    SANDBOX_CLK_ID_I2C));
 144         ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
 145                                                    SANDBOX_CLK_ID_UART2));
 146         ut_assertok(sandbox_clk_test_free(dev_test));
 147         ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
 148                                                    SANDBOX_CLK_ID_SPI));
 149         ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
 150                                                    SANDBOX_CLK_ID_I2C));
 151         ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
 152                                                    SANDBOX_CLK_ID_UART2));
 153
 154         ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
 155                                                    SANDBOX_CLK_ID_UART1));
 156         ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
 157         ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
 158                                                    SANDBOX_CLK_ID_UART1));
 159         return 0;
 160 }
 161 DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
 162
 163 static int dm_test_clk_bulk(struct unit_test_state *uts)
 164 {
 165         struct udevice *dev_clk, *dev_test;
 166
 167         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
 168                                               &dev_clk));
 169         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
 170                                               &dev_test));
 171         ut_assertok(sandbox_clk_test_get_bulk(dev_test));
 172
 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
 176         /* Fixed clock does not support enable, thus should not fail */
 177         ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
 178         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 179         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 180
 181         /* Fixed clock does not support disable, thus should not fail */
 182         ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
 183         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 184         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 185
 186         /* Fixed clock does not support enable, thus should not fail */
 187         ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
 188         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 189         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 190
 191         /* Fixed clock does not support disable, thus should not fail */
 192         ut_assertok(sandbox_clk_test_release_bulk(dev_test));
 193         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 194         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 195         ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
 196
 197         return 0;
 198 }
 199 DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);