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 <linux/err.h>
  12 #include <test/ut.h>
  13
  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
  21         /* Get the device using the clk device */
  22         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test", &dev));
  23
  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_method1.id, clk_method2.id);
  28
  29         return 0;
  30 }
  31
  32 DM_TEST(dm_test_clk_base, DM_TESTF_SCAN_FDT);
  33
  34 static int dm_test_clk(struct unit_test_state *uts)
  35 {
  36         struct udevice *dev_fixed, *dev_fixed_factor, *dev_clk, *dev_test;
  37         ulong rate;
  38
  39         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
  40                                               &dev_fixed));
  41
  42         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed-factor",
  43                                               &dev_fixed_factor));
  44
  45         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  46                                               &dev_clk));
  47         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  48         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  49         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  50         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  51
  52         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  53                                               &dev_test));
  54         ut_assertok(sandbox_clk_test_get(dev_test));
  55         ut_assertok(sandbox_clk_test_valid(dev_test));
  56
  57         ut_asserteq(1234,
  58                     sandbox_clk_test_get_rate(dev_test,
  59                                               SANDBOX_CLK_TEST_ID_FIXED));
  60         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  61                                                  SANDBOX_CLK_TEST_ID_SPI));
  62         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  63                                                  SANDBOX_CLK_TEST_ID_I2C));
  64
  65         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
  66                                          12345);
  67         ut_assert(IS_ERR_VALUE(rate));
  68         rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
  69         ut_asserteq(1234, rate);
  70
  71         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  72                                                  SANDBOX_CLK_TEST_ID_SPI,
  73                                                  1000));
  74         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  75                                                  SANDBOX_CLK_TEST_ID_I2C,
  76                                                  2000));
  77
  78         ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
  79                                                     SANDBOX_CLK_TEST_ID_SPI));
  80         ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
  81                                                     SANDBOX_CLK_TEST_ID_I2C));
  82
  83         ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
  84                                                     SANDBOX_CLK_TEST_ID_SPI,
  85                                                     10000));
  86         ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
  87                                                     SANDBOX_CLK_TEST_ID_I2C,
  88                                                     20000));
  89
  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
  95         ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
  96                                                      SANDBOX_CLK_TEST_ID_SPI));
  97         ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
  98                                                      SANDBOX_CLK_TEST_ID_I2C));
  99
 100         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 101         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 102         ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
 103         ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
 104
 105         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
 106         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 107         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 108
 109         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
 110         ut_asserteq(1, 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
 113         ut_assertok(sandbox_clk_test_disable(dev_test,
 114                                              SANDBOX_CLK_TEST_ID_SPI));
 115         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 116         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 117
 118         ut_assertok(sandbox_clk_test_disable(dev_test,
 119                                              SANDBOX_CLK_TEST_ID_I2C));
 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
 123         ut_assertok(sandbox_clk_test_free(dev_test));
 124
 125         return 0;
 126 }
 127 DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
 128
 129 static int dm_test_clk_bulk(struct unit_test_state *uts)
 130 {
 131         struct udevice *dev_clk, *dev_test;
 132
 133         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
 134                                               &dev_clk));
 135         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
 136                                               &dev_test));
 137         ut_assertok(sandbox_clk_test_get_bulk(dev_test));
 138
 139         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 140         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 141
 142         /* Fixed clock does not support enable, thus should not fail */
 143         ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
 144         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 145         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 146
 147         /* Fixed clock does not support disable, thus should not fail */
 148         ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
 149         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 150         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 151
 152         /* Fixed clock does not support enable, thus should not fail */
 153         ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
 154         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 155         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 156
 157         /* Fixed clock does not support disable, thus should not fail */
 158         ut_assertok(sandbox_clk_test_release_bulk(dev_test));
 159         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
 160         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
 161
 162         return 0;
 163 }
 164 DM_TEST(dm_test_clk_bulk, DM_TESTF_SCAN_FDT);