1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2021 Sean Anderson <sean.anderson@seco.com>
4 */
5
6 #include <dm.h>
7 #include <log.h>
8 #include <sysinfo.h>
9 #include <asm/gpio.h>
10 #include <dm/test.h>
11 #include <test/test.h>
12 #include <test/ut.h>
13
dm_test_sysinfo_gpio(struct unit_test_state * uts)14 static int dm_test_sysinfo_gpio(struct unit_test_state *uts)
15 {
16 char buf[64];
17 int val;
18 struct udevice *sysinfo, *gpio;
19
20 ut_assertok(uclass_get_device_by_name(UCLASS_SYSINFO, "sysinfo-gpio",
21 &sysinfo));
22 ut_assertok(uclass_get_device_by_name(UCLASS_GPIO, "base-gpios", &gpio));
23
24 /*
25 * Set up pins: pull-up (1), pull-down (0) and floating (2). This should
26 * result in digits 2 0 1, i.e. 2 * 9 + 1 * 3 = 19
27 */
28 sandbox_gpio_set_flags(gpio, 15, GPIOD_EXT_PULL_UP);
29 sandbox_gpio_set_flags(gpio, 16, GPIOD_EXT_PULL_DOWN);
30 sandbox_gpio_set_flags(gpio, 17, 0);
31 ut_assertok(sysinfo_detect(sysinfo));
32 ut_assertok(sysinfo_get_int(sysinfo, SYSID_BOARD_MODEL, &val));
33 ut_asserteq(19, val);
34 ut_assertok(sysinfo_get_str(sysinfo, SYSID_BOARD_MODEL, sizeof(buf),
35 buf));
36 ut_asserteq_str("rev_a", buf);
37
38 /*
39 * Set up pins: floating (2), pull-up (1) and pull-down (0). This should
40 * result in digits 0 1 2, i.e. 1 * 3 + 2 = 5
41 */
42 sandbox_gpio_set_flags(gpio, 15, 0);
43 sandbox_gpio_set_flags(gpio, 16, GPIOD_EXT_PULL_UP);
44 sandbox_gpio_set_flags(gpio, 17, GPIOD_EXT_PULL_DOWN);
45 ut_assertok(sysinfo_detect(sysinfo));
46 ut_assertok(sysinfo_get_int(sysinfo, SYSID_BOARD_MODEL, &val));
47 ut_asserteq(5, val);
48 ut_assertok(sysinfo_get_str(sysinfo, SYSID_BOARD_MODEL, sizeof(buf),
49 buf));
50 ut_asserteq_str("foo", buf);
51
52 /*
53 * Set up pins: floating (2), pull-up (1) and pull-down (0). This should
54 * result in digits 1 2 0, i.e. 1 * 9 + 2 * 3 = 15
55 */
56 sandbox_gpio_set_flags(gpio, 15, GPIOD_EXT_PULL_DOWN);
57 sandbox_gpio_set_flags(gpio, 16, 0);
58 sandbox_gpio_set_flags(gpio, 17, GPIOD_EXT_PULL_UP);
59 ut_assertok(sysinfo_detect(sysinfo));
60 ut_assertok(sysinfo_get_int(sysinfo, SYSID_BOARD_MODEL, &val));
61 ut_asserteq(15, val);
62 ut_assertok(sysinfo_get_str(sysinfo, SYSID_BOARD_MODEL, sizeof(buf),
63 buf));
64 ut_asserteq_str("unknown", buf);
65
66 return 0;
67 }
68 DM_TEST(dm_test_sysinfo_gpio, UTF_SCAN_PDATA | UTF_SCAN_FDT);
69