xref: /openbmc/u-boot/test/dm/phy.c (revision 699e831e)
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);
114