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 <log.h>
  10 #include <malloc.h>
  11 #include <asm/clk.h>
  12 #include <dm/test.h>
  13 #include <dm/device-internal.h>
  14 #include <linux/err.h>
  15 #include <test/test.h>
  16 #include <test/ut.h>
  17
  18 /* Base test of the clk uclass */
  19 static int dm_test_clk_base(struct unit_test_state *uts)
  20 {
  21         struct udevice *dev;
  22         struct clk clk_method1;
  23         struct clk clk_method2;
  24
  25         /* Get the device using the clk device */
  26         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", &dev));
  27
  28         /* Get the same clk port in 2 different ways and compare */
  29         ut_assertok(clk_get_by_index(dev, 1, &clk_method1));
  30         ut_assertok(clk_get_by_index_nodev(dev_ofnode(dev), 1, &clk_method2));
  31         ut_asserteq(clk_is_match(&clk_method1, &clk_method2), true);
  32         ut_asserteq(clk_method1.id, clk_method2.id);
  33
  34         return 0;
  35 }
  36
  37 DM_TEST(dm_test_clk_base, UT_TESTF_SCAN_FDT);
  38
  39 static int dm_test_clk(struct unit_test_state *uts)
  40 {
  41         struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
  42         ulong rate;
  43
  44         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
  45                                               &dev_fixed));
  46
  47         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
  48                                               &dev_fixed_factor));
  49
  50         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  51                                               &dev_clk));
  52         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  53         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  54         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  55         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  56
  57         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  58                                               &dev_test));
  59         ut_assertok(sandbox_clk_test_get(dev_test));
  60         ut_assertok(sandbox_clk_test_devm_get(dev_test));
  61         ut_assertok(sandbox_clk_test_valid(dev_test));
  62
  63         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  64                                                  SANDBOX_CLK_TEST_ID_DEVM_NULL));
  65         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  66                                                  SANDBOX_CLK_TEST_ID_DEVM_NULL,
  67                                                  0));
  68         ut_asserteq(0, sandbox_clk_test_enable(dev_test,
  69                                                SANDBOX_CLK_TEST_ID_DEVM_NULL));
  70         ut_asserteq(0, sandbox_clk_test_disable(dev_test,
  71                                                 SANDBOX_CLK_TEST_ID_DEVM_NULL));
  72
  73         ut_asserteq(1234,
  74                     sandbox_clk_test_get_rate(dev_test,
  75                                               SANDBOX_CLK_TEST_ID_FIXED));
  76         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  77                                                  SANDBOX_CLK_TEST_ID_SPI));
  78         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  79                                                  SANDBOX_CLK_TEST_ID_I2C));
  80         ut_asserteq(321, sandbox_clk_test_get_rate(dev_test,
  81                                                    SANDBOX_CLK_TEST_ID_DEVM1));
  82         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  83                                                  SANDBOX_CLK_TEST_ID_DEVM2));
  84
  85         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
  86                                          12345);
  87         ut_assert(IS_ERR_VALUE(rate));
  88         rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
  89         ut_asserteq(1234, rate);
  90
  91         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  92                                                  SANDBOX_CLK_TEST_ID_SPI,
  93                                                  1000));
  94         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  95                                                  SANDBOX_CLK_TEST_ID_I2C,
  96                                                  2000));
  97
  98         ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
  99                                                     SANDBOX_CLK_TEST_ID_SPI));
 100         ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
 101                                                     SANDBOX_CLK_TEST_ID_I2C));
 102
 103         ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
 104                                                     SANDBOX_CLK_TEST_ID_SPI,
 105                                                     10000));
 106         ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
 107                                                     SANDBOX_CLK_TEST_ID_I2C,
 108                                                     20000));
 109
 110         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
 111         ut_assert(IS_ERR_VALUE(rate));
 112         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
 113         ut_assert(IS_ERR_VALUE(rate));
 114
 115         ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
 116                                                      SANDBOX_CLK_TEST_ID_SPI));
 117         ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
 118                                                      SANDBOX_CLK_TEST_ID_I2C));
 119
 120         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 121         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 122         ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
 123         ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
 124
 125         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
 126         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 127         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 128
 129         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
 130         ut_asserteq(1, 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
 133         ut_assertok(sandbox_clk_test_disable(dev_test,
 134                                              SANDBOX_CLK_TEST_ID_SPI));
 135         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 136         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 137
 138         ut_assertok(sandbox_clk_test_disable(dev_test,
 139                                              SANDBOX_CLK_TEST_ID_I2C));
 140         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 141         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 142
 143         ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
 144                                                    SANDBOX_CLK_ID_SPI));
 145         ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
 146                                                    SANDBOX_CLK_ID_I2C));
 147         ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
 148                                                    SANDBOX_CLK_ID_UART2));
 149         ut_assertok(sandbox_clk_test_free(dev_test));
 150         ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
 151                                                    SANDBOX_CLK_ID_SPI));
 152         ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
 153                                                    SANDBOX_CLK_ID_I2C));
 154         ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
 155                                                    SANDBOX_CLK_ID_UART2));
 156
 157         ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
 158                                                    SANDBOX_CLK_ID_UART1));
 159         ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
 160         ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
 161                                                    SANDBOX_CLK_ID_UART1));
 162         return 0;
 163 }
 164 DM_TEST(dm_test_clk, UT_TESTF_SCAN_FDT);
 165
 166 static int dm_test_clk_bulk(struct unit_test_state *uts)
 167 {
 168         struct udevice *dev_clk, *dev_test;
 169
 170         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
 171                                               &dev_clk));
 172         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
 173                                               &dev_test));
 174         ut_assertok(sandbox_clk_test_get_bulk(dev_test));
 175
 176         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 177         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 178
 179         /* Fixed clock does not support enable, thus should not fail */
 180         ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
 181         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 182         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 183
 184         /* Fixed clock does not support disable, thus should not fail */
 185         ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
 186         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 187         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 188
 189         /* Fixed clock does not support enable, thus should not fail */
 190         ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
 191         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 192         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 193
 194         /* Fixed clock does not support disable, thus should not fail */
 195         ut_assertok(sandbox_clk_test_release_bulk(dev_test));
 196         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 197         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 198         ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
 199
 200         return 0;
 201 }
 202 DM_TEST(dm_test_clk_bulk, UT_TESTF_SCAN_FDT);