test/dm/phy.c

   1 /*
   2  * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
   3  * Written by Jean-Jacques Hiblot  <jjhiblot@ti.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <dm.h>
  10 #include <generic-phy.h>
  11 #include <dm/test.h>
  12 #include <test/ut.h>
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 /* Base test of the phy uclass */
  17 static int dm_test_phy_base(struct unit_test_state *uts)
  18 {
  19         struct udevice *dev;
  20         struct phy phy1_method1;
  21         struct phy phy1_method2;
  22         struct phy phy2;
  23         struct phy phy3;
  24         struct udevice *parent;
  25
  26         /* Get the device using the phy device*/
  27         ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
  28                                               "gen_phy_user", &parent));
  29         /*
  30          * Get the same phy port in 2 different ways and compare.
  31          */
  32         ut_assertok(generic_phy_get_by_name(parent, "phy1", &phy1_method1))
  33         ut_assertok(generic_phy_get_by_index(parent, 0, &phy1_method2))
  34         ut_asserteq(phy1_method1.id, phy1_method2.id);
  35
  36         /*
  37          * Get the second phy port. Check that the same phy provider (device)
  38          * provides this 2nd phy port, but that the IDs are different
  39          */
  40         ut_assertok(generic_phy_get_by_name(parent, "phy2", &phy2))
  41         ut_asserteq_ptr(phy1_method2.dev, phy2.dev);
  42         ut_assert(phy1_method1.id != phy2.id);
  43
  44         /*
  45          * Get the third phy port. Check that the phy provider is different
  46          */
  47         ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3))
  48         ut_assert(phy2.dev != phy3.dev);
  49
  50         /* Try to get a non-existing phy */
  51         ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PHY, 3, &dev));
  52         ut_asserteq(-ENODATA, generic_phy_get_by_name(parent,
  53                                         "phy_not_existing", &phy1_method1));
  54
  55         return 0;
  56 }
  57 DM_TEST(dm_test_phy_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  58
  59 /* Test of the phy uclass using the sandbox phy driver operations */
  60 static int dm_test_phy_ops(struct unit_test_state *uts)
  61 {
  62         struct phy phy1;
  63         struct phy phy2;
  64         struct phy phy3;
  65         struct udevice *parent;
  66
  67         ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
  68                                               "gen_phy_user", &parent));
  69
  70         ut_assertok(generic_phy_get_by_name(parent, "phy1", &phy1));
  71         ut_asserteq(0, phy1.id);
  72         ut_assertok(generic_phy_get_by_name(parent, "phy2", &phy2));
  73         ut_asserteq(1, phy2.id);
  74         ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3));
  75         ut_asserteq(0, phy3.id);
  76
  77         /* test normal operations */
  78         ut_assertok(generic_phy_init(&phy1));
  79         ut_assertok(generic_phy_power_on(&phy1));
  80         ut_assertok(generic_phy_power_off(&phy1));
  81
  82         /*
  83          * test operations after exit().
  84          * The sandbox phy driver does not allow it.
  85          */
  86         ut_assertok(generic_phy_exit(&phy1));
  87         ut_assert(generic_phy_power_on(&phy1) != 0);
  88         ut_assert(generic_phy_power_off(&phy1) != 0);
  89
  90         /*
  91          * test normal operations again (after re-init)
  92          */
  93         ut_assertok(generic_phy_init(&phy1));
  94         ut_assertok(generic_phy_power_on(&phy1));
  95         ut_assertok(generic_phy_power_off(&phy1));
  96
  97         /*
  98          * test calling unimplemented feature.
  99          * The call is expected to succeed
 100          */
 101         ut_assertok(generic_phy_reset(&phy1));
 102
 103         /* PHY2 has a known problem with power off */
 104         ut_assertok(generic_phy_init(&phy2));
 105         ut_assertok(generic_phy_power_on(&phy2));
 106         ut_asserteq(-EIO, generic_phy_power_off(&phy2));
 107
 108         /* PHY3 has a known problem with power off and power on */
 109         ut_assertok(generic_phy_init(&phy3));
 110         ut_asserteq(-EIO, generic_phy_power_off(&phy3));
 111         ut_asserteq(-EIO, generic_phy_power_off(&phy3));
 112
 113         return 0;
 114 }
 115 DM_TEST(dm_test_phy_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);