test/dm/nop.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Test for the NOP uclass
   4  *
   5  * (C) Copyright 2019 - Texas Instruments Incorporated - http://www.ti.com/
   6  * Jean-Jacques Hiblot <jjhiblot@ti.com>
   7  */
   8
   9 #include <common.h>
  10 #include <dm.h>
  11 #include <dm/ofnode.h>
  12 #include <dm/lists.h>
  13 #include <dm/device.h>
  14 #include <dm/test.h>
  15 #include <misc.h>
  16 #include <test/test.h>
  17 #include <test/ut.h>
  18
  19 static int noptest_bind(struct udevice *parent)
  20 {
  21         ofnode ofnode = dev_read_first_subnode(parent);
  22
  23         while (ofnode_valid(ofnode)) {
  24                 struct udevice *dev;
  25                 const char *bind_flag = ofnode_read_string(ofnode, "bind");
  26
  27                 if (bind_flag && (strcmp(bind_flag, "True") == 0))
  28                         lists_bind_fdt(parent, ofnode, &dev, NULL, false);
  29                 ofnode = dev_read_next_subnode(ofnode);
  30         }
  31
  32         return 0;
  33 }
  34
  35 static const struct udevice_id noptest1_ids[] = {
  36         {
  37                 .compatible = "sandbox,nop_sandbox1",
  38         },
  39         { }
  40 };
  41
  42 U_BOOT_DRIVER(noptest_drv1) = {
  43         .name   = "noptest1_drv",
  44         .of_match       = noptest1_ids,
  45         .id     = UCLASS_NOP,
  46         .bind = noptest_bind,
  47 };
  48
  49 static const struct udevice_id noptest2_ids[] = {
  50         {
  51                 .compatible = "sandbox,nop_sandbox2",
  52         },
  53         { }
  54 };
  55
  56 U_BOOT_DRIVER(noptest_drv2) = {
  57         .name   = "noptest2_drv",
  58         .of_match       = noptest2_ids,
  59         .id     = UCLASS_NOP,
  60 };
  61
  62 static int dm_test_nop(struct unit_test_state *uts)
  63 {
  64         struct udevice *dev;
  65
  66         ut_assertok(uclass_get_device_by_name(UCLASS_NOP, "nop-test_0", &dev));
  67         ut_assertok(uclass_get_device_by_name(UCLASS_NOP, "nop-test_1", &dev));
  68         ut_asserteq(-ENODEV,
  69                     uclass_get_device_by_name(UCLASS_NOP, "nop-test_2", &dev));
  70
  71         return 0;
  72 }
  73
  74 DM_TEST(dm_test_nop, UT_TESTF_FLAT_TREE | UT_TESTF_SCAN_FDT);