1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2018, STMicroelectronics
13 static int dm_test_serial(struct unit_test_state *uts)
15 struct serial_device_info info_serial = {0};
16 struct udevice *dev_serial;
19 ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial",
22 ut_assertok(serial_tstc());
24 * test with default config which is the only one supported by
25 * sandbox_serial driver
27 ut_assertok(serial_setconfig(dev_serial, SERIAL_DEFAULT_CONFIG));
28 ut_assertok(serial_getconfig(dev_serial, &value_serial));
29 ut_assert(value_serial == SERIAL_DEFAULT_CONFIG);
30 ut_assertok(serial_getinfo(dev_serial, &info_serial));
31 ut_assert(info_serial.type == SERIAL_CHIP_UNKNOWN);
32 ut_assert(info_serial.addr == SERIAL_DEFAULT_ADDRESS);
33 ut_assert(info_serial.clock == SERIAL_DEFAULT_CLOCK);
35 * test with a parameter which is NULL pointer
37 ut_asserteq(-EINVAL, serial_getconfig(dev_serial, NULL));
38 ut_asserteq(-EINVAL, serial_getinfo(dev_serial, NULL));
40 * test with a serial config which is not supported by
41 * sandbox_serial driver: test with wrong parity
43 ut_asserteq(-ENOTSUPP,
44 serial_setconfig(dev_serial,
45 SERIAL_CONFIG(SERIAL_PAR_ODD,
49 * test with a serial config which is not supported by
50 * sandbox_serial driver: test with wrong bits number
52 ut_asserteq(-ENOTSUPP,
53 serial_setconfig(dev_serial,
54 SERIAL_CONFIG(SERIAL_PAR_NONE,
59 * test with a serial config which is not supported by
60 * sandbox_serial driver: test with wrong stop bits number
62 ut_asserteq(-ENOTSUPP,
63 serial_setconfig(dev_serial,
64 SERIAL_CONFIG(SERIAL_PAR_NONE,
71 DM_TEST(dm_test_serial, DM_TESTF_SCAN_FDT);