test/dm/clk.c

   1 /*
   2  * Copyright (C) 2015 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.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 static int dm_test_clk(struct unit_test_state *uts)
  15 {
  16         struct udevice *dev_fixed, *dev_clk, *dev_test;
  17         ulong rate;
  18
  19         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
  20                                               &dev_fixed));
  21
  22         ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
  23                                               &dev_clk));
  24         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  25         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  26         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  27         ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  28
  29         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
  30                                               &dev_test));
  31         ut_assertok(sandbox_clk_test_get(dev_test));
  32
  33         ut_asserteq(1234,
  34                     sandbox_clk_test_get_rate(dev_test,
  35                                               SANDBOX_CLK_TEST_ID_FIXED));
  36         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  37                                                  SANDBOX_CLK_TEST_ID_SPI));
  38         ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
  39                                                  SANDBOX_CLK_TEST_ID_I2C));
  40
  41         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
  42                                          12345);
  43         ut_assert(IS_ERR_VALUE(rate));
  44         rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
  45         ut_asserteq(1234, rate);
  46
  47         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  48                                                  SANDBOX_CLK_TEST_ID_SPI,
  49                                                  1000));
  50         ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
  51                                                  SANDBOX_CLK_TEST_ID_I2C,
  52                                                  2000));
  53
  54         ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
  55                                                     SANDBOX_CLK_TEST_ID_SPI));
  56         ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
  57                                                     SANDBOX_CLK_TEST_ID_I2C));
  58
  59         ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
  60                                                     SANDBOX_CLK_TEST_ID_SPI,
  61                                                     10000));
  62         ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
  63                                                     SANDBOX_CLK_TEST_ID_I2C,
  64                                                     20000));
  65
  66         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
  67         ut_assert(IS_ERR_VALUE(rate));
  68         rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
  69         ut_assert(IS_ERR_VALUE(rate));
  70
  71         ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
  72                                                      SANDBOX_CLK_TEST_ID_SPI));
  73         ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
  74                                                      SANDBOX_CLK_TEST_ID_I2C));
  75
  76         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  77         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  78         ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
  79         ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
  80
  81         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
  82         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  83         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  84
  85         ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
  86         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  87         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  88
  89         ut_assertok(sandbox_clk_test_disable(dev_test,
  90                                              SANDBOX_CLK_TEST_ID_SPI));
  91         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  92         ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  93
  94         ut_assertok(sandbox_clk_test_disable(dev_test,
  95                                              SANDBOX_CLK_TEST_ID_I2C));
  96         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
  97         ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
  98
  99         ut_assertok(sandbox_clk_test_free(dev_test));
 100
 101         return 0;
 102 }
 103 DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);