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