LXR uboot/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
  14static 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}
 103DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
 104