blob: d519a9015e69a675e1c01e541ebef34d36cfb289 [file] [log] [blame]
Mateusz Kulikowskid33776e2016-03-31 23:12:28 +02001/*
2 * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
8#include <fdtdec.h>
9#include <dm.h>
10#include <dm/device.h>
11#include <dm/root.h>
12#include <dm/test.h>
13#include <dm/util.h>
14#include <power/pmic.h>
15#include <spmi/spmi.h>
16#include <asm/gpio.h>
17#include <test/ut.h>
18
19DECLARE_GLOBAL_DATA_PTR;
20
21/* Test if bus childs got probed propperly*/
22static int dm_test_spmi_probe(struct unit_test_state *uts)
23{
24 const char *name = "spmi@0";
25 struct udevice *bus, *dev;
26
27 ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus));
28
29 /* Check bus name */
30 ut_asserteq_str(name, bus->name);
31
32 /* Check that it has some devices */
33 ut_asserteq(device_has_children(bus), true);
34
35 ut_assertok(device_find_first_child(bus, &dev));
36
37 /* There should be at least one child */
38 ut_assertnonnull(dev);
39
40 /* Check that only PMICs are connected to the bus */
41 while (dev) {
42 ut_asserteq(device_get_uclass_id(dev), UCLASS_PMIC);
43 device_find_next_child(&dev);
44 }
45
46 return 0;
47}
48DM_TEST(dm_test_spmi_probe, DM_TESTF_SCAN_FDT);
49
50/* Test if it's possible to read bus directly and indirectly */
51static int dm_test_spmi_access(struct unit_test_state *uts)
52{
53 const char *pmic_name = "pm8916@0";
54 struct udevice *bus, *pmic;
55
56 ut_assertok(uclass_get_device(UCLASS_SPMI, 0, &bus));
57
58 ut_assertok(device_get_child(bus, 0, &pmic));
59
60 /* Sanity check if it's proper PMIC */
61 ut_asserteq_str(pmic_name, pmic->name);
62
63 /* Read PMIC ID reg using SPMI bus - it assumes it has slaveID == 0*/
64 ut_asserteq(spmi_reg_read(bus, 0, 0xC0, 0x4), 0x10);
65 ut_asserteq(spmi_reg_read(bus, 0, 0xC0, 0x5), 0x5);
66
67 /* Read ID reg via pmic interface */
68 ut_asserteq(pmic_reg_read(pmic, 0xC004), 0x10);
69 ut_asserteq(pmic_reg_read(pmic, 0xC005), 0x5);
70
71 return 0;
72}
73DM_TEST(dm_test_spmi_access, DM_TESTF_SCAN_FDT);
74
75
76/* Test if it's possible to access GPIO that should be in pmic */
77static int dm_test_spmi_access_peripheral(struct unit_test_state *uts)
78{
79 struct udevice *dev;
80 unsigned int offset, gpio;
81 const char *name;
82 int offset_count;
83
84 /* Get second pin of PMIC GPIO */
85 ut_assertok(gpio_lookup_name("spmi1", &dev, &offset, &gpio));
86
87 /* Check if PMIC is parent */
88 ut_asserteq(device_get_uclass_id(dev->parent), UCLASS_PMIC);
89
90 /* This should be second gpio */
91 ut_asserteq(1, offset);
92
93 name = gpio_get_bank_info(dev, &offset_count);
94
95 /* Check bank name */
96 ut_asserteq_str("spmi", name);
97 /* Check pin count */
98 ut_asserteq(4, offset_count);
99
100 ut_assertok(gpio_request(gpio, "testing"));
101
102 /* Try to set/clear gpio */
103 ut_assertok(gpio_direction_output(gpio, 0));
104 ut_asserteq(gpio_get_value(gpio), 0);
105 ut_assertok(gpio_direction_output(gpio, 1));
106 ut_asserteq(gpio_get_value(gpio), 1);
107 ut_assertok(gpio_direction_input(gpio));
108 ut_asserteq(gpio_get_value(gpio), 1);
109
110 ut_assertok(gpio_free(gpio));
111
112 return 0;
113}
114DM_TEST(dm_test_spmi_access_peripheral, DM_TESTF_SCAN_FDT);