xref: /openbmc/u-boot/test/dm/phy.c (revision 9b21de78)
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_assert(generic_phy_get_by_name(parent, "phy_not_existing",
53 					  &phy1_method1) < 0)
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_assertok(generic_phy_get_by_name(parent, "phy2", &phy2));
72 	ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3));
73 
74 	/* test normal operations */
75 	ut_assertok(generic_phy_init(&phy1));
76 	ut_assertok(generic_phy_power_on(&phy1));
77 	ut_assertok(generic_phy_power_off(&phy1));
78 
79 	/*
80 	 * test operations after exit().
81 	 * The sandbox phy driver does not allow it.
82 	 */
83 	ut_assertok(generic_phy_exit(&phy1));
84 	ut_assert(generic_phy_power_on(&phy1) != 0);
85 	ut_assert(generic_phy_power_off(&phy1) != 0);
86 
87 	/*
88 	 * test normal operations again (after re-init)
89 	 */
90 	ut_assertok(generic_phy_init(&phy1));
91 	ut_assertok(generic_phy_power_on(&phy1));
92 	ut_assertok(generic_phy_power_off(&phy1));
93 
94 	/*
95 	 * test calling unimplemented feature.
96 	 * The call is expected to succeed
97 	 */
98 	ut_assertok(generic_phy_reset(&phy1));
99 
100 	/* PHY2 has a known problem with power off */
101 	ut_assertok(generic_phy_init(&phy2));
102 	ut_assertok(generic_phy_power_on(&phy2));
103 	ut_assert(generic_phy_power_off(&phy2) == -EIO);
104 
105 	/* PHY3 has a known problem with power off and power on*/
106 	ut_assertok(generic_phy_init(&phy3));
107 	ut_assert(generic_phy_power_off(&phy3) == -EIO);
108 	ut_assert(generic_phy_power_off(&phy3) == -EIO);
109 
110 	return 0;
111 }
112 DM_TEST(dm_test_phy_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
113