xref: /openbmc/u-boot/test/dm/phy.c (revision 3ba98ed8)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
4  * Written by Jean-Jacques Hiblot  <jjhiblot@ti.com>
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <generic-phy.h>
10 #include <dm/test.h>
11 #include <test/ut.h>
12 
13 /* Base test of the phy uclass */
14 static int dm_test_phy_base(struct unit_test_state *uts)
15 {
16 	struct udevice *dev;
17 	struct phy phy1_method1;
18 	struct phy phy1_method2;
19 	struct phy phy2;
20 	struct phy phy3;
21 	struct udevice *parent;
22 
23 	/* Get the device using the phy device*/
24 	ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
25 					      "gen_phy_user", &parent));
26 	/*
27 	 * Get the same phy port in 2 different ways and compare.
28 	 */
29 	ut_assertok(generic_phy_get_by_name(parent, "phy1", &phy1_method1))
30 	ut_assertok(generic_phy_get_by_index(parent, 0, &phy1_method2))
31 	ut_asserteq(phy1_method1.id, phy1_method2.id);
32 
33 	/*
34 	 * Get the second phy port. Check that the same phy provider (device)
35 	 * provides this 2nd phy port, but that the IDs are different
36 	 */
37 	ut_assertok(generic_phy_get_by_name(parent, "phy2", &phy2))
38 	ut_asserteq_ptr(phy1_method2.dev, phy2.dev);
39 	ut_assert(phy1_method1.id != phy2.id);
40 
41 	/*
42 	 * Get the third phy port. Check that the phy provider is different
43 	 */
44 	ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3))
45 	ut_assert(phy2.dev != phy3.dev);
46 
47 	/* Try to get a non-existing phy */
48 	ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PHY, 3, &dev));
49 	ut_asserteq(-ENODATA, generic_phy_get_by_name(parent,
50 					"phy_not_existing", &phy1_method1));
51 
52 	return 0;
53 }
54 DM_TEST(dm_test_phy_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
55 
56 /* Test of the phy uclass using the sandbox phy driver operations */
57 static int dm_test_phy_ops(struct unit_test_state *uts)
58 {
59 	struct phy phy1;
60 	struct phy phy2;
61 	struct phy phy3;
62 	struct udevice *parent;
63 
64 	ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
65 					      "gen_phy_user", &parent));
66 
67 	ut_assertok(generic_phy_get_by_name(parent, "phy1", &phy1));
68 	ut_asserteq(0, phy1.id);
69 	ut_assertok(generic_phy_get_by_name(parent, "phy2", &phy2));
70 	ut_asserteq(1, phy2.id);
71 	ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3));
72 	ut_asserteq(0, phy3.id);
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_asserteq(-EIO, generic_phy_power_off(&phy2));
104 
105 	/* PHY3 has a known problem with power off and power on */
106 	ut_assertok(generic_phy_init(&phy3));
107 	ut_asserteq(-EIO, generic_phy_power_off(&phy3));
108 	ut_asserteq(-EIO, generic_phy_power_off(&phy3));
109 
110 	return 0;
111 }
112 DM_TEST(dm_test_phy_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
113