1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Tests for the driver model pmic API
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (c) 2015 Samsung Electronics
5*4882a593Smuzhiyun * Przemyslaw Marczak <p.marczak@samsung.com>
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <common.h>
11*4882a593Smuzhiyun #include <errno.h>
12*4882a593Smuzhiyun #include <dm.h>
13*4882a593Smuzhiyun #include <fdtdec.h>
14*4882a593Smuzhiyun #include <malloc.h>
15*4882a593Smuzhiyun #include <dm/device-internal.h>
16*4882a593Smuzhiyun #include <dm/root.h>
17*4882a593Smuzhiyun #include <dm/util.h>
18*4882a593Smuzhiyun #include <dm/test.h>
19*4882a593Smuzhiyun #include <dm/uclass-internal.h>
20*4882a593Smuzhiyun #include <power/pmic.h>
21*4882a593Smuzhiyun #include <power/sandbox_pmic.h>
22*4882a593Smuzhiyun #include <test/ut.h>
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun /* Test PMIC get method */
dm_test_power_pmic_get(struct unit_test_state * uts)27*4882a593Smuzhiyun static int dm_test_power_pmic_get(struct unit_test_state *uts)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun const char *name = "sandbox_pmic";
30*4882a593Smuzhiyun struct udevice *dev;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun ut_assertok(pmic_get(name, &dev));
33*4882a593Smuzhiyun ut_assertnonnull(dev);
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun /* Check PMIC's name */
36*4882a593Smuzhiyun ut_asserteq_str(name, dev->name);
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun DM_TEST(dm_test_power_pmic_get, DM_TESTF_SCAN_FDT);
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun /* Test PMIC I/O */
dm_test_power_pmic_io(struct unit_test_state * uts)43*4882a593Smuzhiyun static int dm_test_power_pmic_io(struct unit_test_state *uts)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun const char *name = "sandbox_pmic";
46*4882a593Smuzhiyun uint8_t out_buffer, in_buffer;
47*4882a593Smuzhiyun struct udevice *dev;
48*4882a593Smuzhiyun int reg_count, i;
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun ut_assertok(pmic_get(name, &dev));
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun reg_count = pmic_reg_count(dev);
53*4882a593Smuzhiyun ut_asserteq(reg_count, SANDBOX_PMIC_REG_COUNT);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun /*
56*4882a593Smuzhiyun * Test PMIC I/O - write and read a loop counter.
57*4882a593Smuzhiyun * usually we can't write to all PMIC's registers in the real hardware,
58*4882a593Smuzhiyun * but we can to the sandbox pmic.
59*4882a593Smuzhiyun */
60*4882a593Smuzhiyun for (i = 0; i < reg_count; i++) {
61*4882a593Smuzhiyun out_buffer = i;
62*4882a593Smuzhiyun ut_assertok(pmic_write(dev, i, &out_buffer, 1));
63*4882a593Smuzhiyun ut_assertok(pmic_read(dev, i, &in_buffer, 1));
64*4882a593Smuzhiyun ut_asserteq(out_buffer, in_buffer);
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun return 0;
68*4882a593Smuzhiyun }
69*4882a593Smuzhiyun DM_TEST(dm_test_power_pmic_io, DM_TESTF_SCAN_FDT);
70