test/dm/serial.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2018, STMicroelectronics
   4  */
   5
   6 #include <common.h>
   7 #include <serial.h>
   8 #include <dm.h>
   9 #include <dm/test.h>
  10 #include <test/ut.h>
  11
  12 static int dm_test_serial(struct unit_test_state *uts)
  13 {
  14         struct udevice *dev_serial;
  15
  16         ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial",
  17                                               &dev_serial));
  18
  19         ut_assertok(serial_tstc());
  20         /*
  21          * test with default config which is the only one supported by
  22          * sandbox_serial driver
  23          */
  24         ut_assertok(serial_setconfig(SERIAL_DEFAULT_CONFIG));
  25         /*
  26          * test with a serial config which is not supported by
  27          * sandbox_serial driver: test with wrong parity
  28          */
  29         ut_asserteq(-ENOTSUPP,
  30                     serial_setconfig(SERIAL_CONFIG(SERIAL_PAR_ODD,
  31                                                    SERIAL_8_BITS,
  32                                                    SERIAL_ONE_STOP)));
  33         /*
  34          * test with a serial config which is not supported by
  35          * sandbox_serial driver: test with wrong bits number
  36          */
  37         ut_asserteq(-ENOTSUPP,
  38                     serial_setconfig(SERIAL_CONFIG(SERIAL_PAR_NONE,
  39                                                    SERIAL_6_BITS,
  40                                                    SERIAL_ONE_STOP)));
  41
  42         /*
  43          * test with a serial config which is not supported by
  44          * sandbox_serial driver: test with wrong stop bits number
  45          */
  46         ut_asserteq(-ENOTSUPP,
  47                     serial_setconfig(SERIAL_CONFIG(SERIAL_PAR_NONE,
  48                                                    SERIAL_8_BITS,
  49                                                    SERIAL_TWO_STOP)));
  50
  51         return 0;
  52 }
  53
  54 DM_TEST(dm_test_serial, DM_TESTF_SCAN_FDT);